diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2761 |
1 files changed, 2050 insertions, 711 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index c17505fba988..6e40cc1bc6dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -64,8 +64,14 @@ #include "amdgpu_xgmi.h" #include "amdgpu_ras.h" #include "amdgpu_pmu.h" +#include "amdgpu_fru_eeprom.h" +#include "amdgpu_reset.h" #include <linux/suspend.h> +#include <drm/task_barrier.h> +#include <linux/pm_runtime.h> + +#include <drm/drm_drv.h> MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin"); @@ -77,6 +83,8 @@ MODULE_FIRMWARE("amdgpu/renoir_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi10_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi14_gpu_info.bin"); MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin"); +MODULE_FIRMWARE("amdgpu/vangogh_gpu_info.bin"); +MODULE_FIRMWARE("amdgpu/yellow_carp_gpu_info.bin"); #define AMDGPU_RESUME_MS 2000 @@ -106,9 +114,18 @@ const char *amdgpu_asic_name[] = { "RAVEN", "ARCTURUS", "RENOIR", + "ALDEBARAN", "NAVI10", + "CYAN_SKILLFISH", "NAVI14", "NAVI12", + "SIENNA_CICHLID", + "NAVY_FLOUNDER", + "VANGOGH", + "DIMGREY_CAVEFISH", + "BEIGE_GOBY", + "YELLOW_CARP", + "IP DISCOVERY", "LAST", }; @@ -125,10 +142,10 @@ static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); - struct amdgpu_device *adev = ddev->dev_private; + struct amdgpu_device *adev = drm_to_adev(ddev); uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev); - return snprintf(buf, PAGE_SIZE, "%llu\n", cnt); + return sysfs_emit(buf, "%llu\n", cnt); } static DEVICE_ATTR(pcie_replay_count, S_IRUGO, @@ -137,26 +154,142 @@ static DEVICE_ATTR(pcie_replay_count, S_IRUGO, static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev); /** - * amdgpu_device_is_px - Is the device is a dGPU with HG/PX power control + * DOC: product_name + * + * The amdgpu driver provides a sysfs API for reporting the product name + * for the device + * The file serial_number is used for this and returns the product name + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_device_get_product_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + return sysfs_emit(buf, "%s\n", adev->product_name); +} + +static DEVICE_ATTR(product_name, S_IRUGO, + amdgpu_device_get_product_name, NULL); + +/** + * DOC: product_number + * + * The amdgpu driver provides a sysfs API for reporting the part number + * for the device + * The file serial_number is used for this and returns the part number + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_device_get_product_number(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + return sysfs_emit(buf, "%s\n", adev->product_number); +} + +static DEVICE_ATTR(product_number, S_IRUGO, + amdgpu_device_get_product_number, NULL); + +/** + * DOC: serial_number + * + * The amdgpu driver provides a sysfs API for reporting the serial number + * for the device + * The file serial_number is used for this and returns the serial number + * as returned from the FRU. + * NOTE: This is only available for certain server cards + */ + +static ssize_t amdgpu_device_get_serial_number(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + + return sysfs_emit(buf, "%s\n", adev->serial); +} + +static DEVICE_ATTR(serial_number, S_IRUGO, + amdgpu_device_get_serial_number, NULL); + +/** + * amdgpu_device_supports_px - Is the device a dGPU with ATPX power control * * @dev: drm_device pointer * - * Returns true if the device is a dGPU with HG/PX power control, + * Returns true if the device is a dGPU with ATPX power control, * otherwise return false. */ -bool amdgpu_device_is_px(struct drm_device *dev) +bool amdgpu_device_supports_px(struct drm_device *dev) { - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); - if (adev->flags & AMD_IS_PX) + if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid()) return true; return false; } /** - * VRAM access helper functions. + * amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources * - * amdgpu_device_vram_access - read/write a buffer in vram + * @dev: drm_device pointer + * + * Returns true if the device is a dGPU with ACPI power control, + * otherwise return false. + */ +bool amdgpu_device_supports_boco(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + + if (adev->has_pr3 || + ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) + return true; + return false; +} + +/** + * amdgpu_device_supports_baco - Does the device support BACO + * + * @dev: drm_device pointer + * + * Returns true if the device supporte BACO, + * otherwise return false. + */ +bool amdgpu_device_supports_baco(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + + return amdgpu_asic_supports_baco(adev); +} + +/** + * amdgpu_device_supports_smart_shift - Is the device dGPU with + * smart shift support + * + * @dev: drm_device pointer + * + * Returns true if the device is a dGPU with Smart Shift support, + * otherwise returns false. + */ +bool amdgpu_device_supports_smart_shift(struct drm_device *dev) +{ + return (amdgpu_device_supports_boco(dev) && + amdgpu_acpi_is_power_shift_control_supported()); +} + +/* + * VRAM access helper functions + */ + +/** + * amdgpu_device_mm_access - access vram by MM_INDEX/MM_DATA * * @adev: amdgpu_device pointer * @pos: offset of the buffer in vram @@ -164,30 +297,143 @@ bool amdgpu_device_is_px(struct drm_device *dev) * @size: read/write size, sizeof(@buf) must > @size * @write: true - write to vram, otherwise - read from vram */ -void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, - uint32_t *buf, size_t size, bool write) +void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos, + void *buf, size_t size, bool write) { - uint64_t last; unsigned long flags; + uint32_t hi = ~0, tmp = 0; + uint32_t *data = buf; + uint64_t last; + int idx; + + if (!drm_dev_enter(adev_to_drm(adev), &idx)) + return; + + BUG_ON(!IS_ALIGNED(pos, 4) || !IS_ALIGNED(size, 4)); + + spin_lock_irqsave(&adev->mmio_idx_lock, flags); + for (last = pos + size; pos < last; pos += 4) { + tmp = pos >> 31; - last = size - 4; - for (last += pos; pos <= last; pos += 4) { - spin_lock_irqsave(&adev->mmio_idx_lock, flags); WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); - WREG32_NO_KIQ(mmMM_INDEX_HI, pos >> 31); + if (tmp != hi) { + WREG32_NO_KIQ(mmMM_INDEX_HI, tmp); + hi = tmp; + } if (write) - WREG32_NO_KIQ(mmMM_DATA, *buf++); + WREG32_NO_KIQ(mmMM_DATA, *data++); else - *buf++ = RREG32_NO_KIQ(mmMM_DATA); - spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + *data++ = RREG32_NO_KIQ(mmMM_DATA); + } + + spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + drm_dev_exit(idx); +} + +/** + * amdgpu_device_vram_access - access vram by vram aperature + * + * @adev: amdgpu_device pointer + * @pos: offset of the buffer in vram + * @buf: virtual address of the buffer in system memory + * @size: read/write size, sizeof(@buf) must > @size + * @write: true - write to vram, otherwise - read from vram + * + * The return value means how many bytes have been transferred. + */ +size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos, + void *buf, size_t size, bool write) +{ +#ifdef CONFIG_64BIT + void __iomem *addr; + size_t count = 0; + uint64_t last; + + if (!adev->mman.aper_base_kaddr) + return 0; + + last = min(pos + size, adev->gmc.visible_vram_size); + if (last > pos) { + addr = adev->mman.aper_base_kaddr + pos; + count = last - pos; + + if (write) { + memcpy_toio(addr, buf, count); + mb(); + amdgpu_device_flush_hdp(adev, NULL); + } else { + amdgpu_device_invalidate_hdp(adev, NULL); + mb(); + memcpy_fromio(buf, addr, count); + } + + } + + return count; +#else + return 0; +#endif +} + +/** + * amdgpu_device_vram_access - read/write a buffer in vram + * + * @adev: amdgpu_device pointer + * @pos: offset of the buffer in vram + * @buf: virtual address of the buffer in system memory + * @size: read/write size, sizeof(@buf) must > @size + * @write: true - write to vram, otherwise - read from vram + */ +void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, + void *buf, size_t size, bool write) +{ + size_t count; + + /* try to using vram apreature to access vram first */ + count = amdgpu_device_aper_access(adev, pos, buf, size, write); + size -= count; + if (size) { + /* using MM to access rest vram */ + pos += count; + buf += count; + amdgpu_device_mm_access(adev, pos, buf, size, write); } } /* - * MMIO register access helper functions. + * register access helper functions. */ + +/* Check if hw access should be skipped because of hotplug or device error */ +bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev) +{ + if (adev->no_hw_access) + return true; + +#ifdef CONFIG_LOCKDEP + /* + * This is a bit complicated to understand, so worth a comment. What we assert + * here is that the GPU reset is not running on another thread in parallel. + * + * For this we trylock the read side of the reset semaphore, if that succeeds + * we know that the reset is not running in paralell. + * + * If the trylock fails we assert that we are either already holding the read + * side of the lock or are the reset thread itself and hold the write side of + * the lock. + */ + if (in_task()) { + if (down_read_trylock(&adev->reset_sem)) + up_read(&adev->reset_sem); + else + lockdep_assert_held(&adev->reset_sem); + } +#endif + return false; +} + /** - * amdgpu_mm_rreg - read a memory mapped IO register + * amdgpu_device_rreg - read a memory mapped IO or indirect register * * @adev: amdgpu_device pointer * @reg: dword aligned register offset @@ -195,25 +441,29 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, * * Returns the 32 bit value from the offset specified. */ -uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, - uint32_t acc_flags) +uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, + uint32_t reg, uint32_t acc_flags) { uint32_t ret; - if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) - return amdgpu_virt_kiq_rreg(adev, reg); - - if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) - ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); - else { - unsigned long flags; + if (amdgpu_device_skip_hw_access(adev)) + return 0; - spin_lock_irqsave(&adev->mmio_idx_lock, flags); - writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); - ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); - spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + if ((reg * 4) < adev->rmmio_size) { + if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && + amdgpu_sriov_runtime(adev) && + down_read_trylock(&adev->reset_sem)) { + ret = amdgpu_kiq_rreg(adev, reg); + up_read(&adev->reset_sem); + } else { + ret = readl(((void __iomem *)adev->rmmio) + (reg * 4)); + } + } else { + ret = adev->pcie_rreg(adev, reg * 4); } - trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret); + + trace_amdgpu_device_rreg(adev->pdev->device, reg, ret); + return ret; } @@ -231,7 +481,11 @@ uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg, * * Returns the 8 bit value from the offset specified. */ -uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) { +uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) +{ + if (amdgpu_device_skip_hw_access(adev)) + return 0; + if (offset < adev->rmmio_size) return (readb(adev->rmmio + offset)); BUG(); @@ -252,7 +506,11 @@ uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset) { * * Writes the value specified to the offset specified. */ -void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) { +void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) +{ + if (amdgpu_device_skip_hw_access(adev)) + return; + if (offset < adev->rmmio_size) writeb(value, adev->rmmio + offset); else @@ -260,7 +518,7 @@ void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) } /** - * amdgpu_mm_wreg - write to a memory mapped IO register + * amdgpu_device_wreg - write to a memory mapped IO or indirect register * * @adev: amdgpu_device pointer * @reg: dword aligned register offset @@ -269,76 +527,47 @@ void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value) * * Writes the value specified to the offset specified. */ -void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v, - uint32_t acc_flags) +void amdgpu_device_wreg(struct amdgpu_device *adev, + uint32_t reg, uint32_t v, + uint32_t acc_flags) { - trace_amdgpu_mm_wreg(adev->pdev->device, reg, v); - - if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { - adev->last_mm_index = v; - } - - if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)) - return amdgpu_virt_kiq_wreg(adev, reg, v); - - if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX)) - writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); - else { - unsigned long flags; + if (amdgpu_device_skip_hw_access(adev)) + return; - spin_lock_irqsave(&adev->mmio_idx_lock, flags); - writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4)); - writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4)); - spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); + if ((reg * 4) < adev->rmmio_size) { + if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && + amdgpu_sriov_runtime(adev) && + down_read_trylock(&adev->reset_sem)) { + amdgpu_kiq_wreg(adev, reg, v); + up_read(&adev->reset_sem); + } else { + writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); + } + } else { + adev->pcie_wreg(adev, reg * 4, v); } - if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { - udelay(500); - } + trace_amdgpu_device_wreg(adev->pdev->device, reg, v); } -/** - * amdgpu_io_rreg - read an IO register - * - * @adev: amdgpu_device pointer - * @reg: dword aligned register offset - * - * Returns the 32 bit value from the offset specified. - */ -u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg) -{ - if ((reg * 4) < adev->rio_mem_size) - return ioread32(adev->rio_mem + (reg * 4)); - else { - iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); - return ioread32(adev->rio_mem + (mmMM_DATA * 4)); - } -} - -/** - * amdgpu_io_wreg - write to an IO register - * - * @adev: amdgpu_device pointer - * @reg: dword aligned register offset - * @v: 32 bit value to write to the register +/* + * amdgpu_mm_wreg_mmio_rlc - write register either with mmio or with RLC path if in range * - * Writes the value specified to the offset specified. - */ -void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) + * this function is invoked only the debugfs register access + * */ +void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, + uint32_t reg, uint32_t v) { - if (adev->asic_type >= CHIP_VEGA10 && reg == 0) { - adev->last_mm_index = v; - } - - if ((reg * 4) < adev->rio_mem_size) - iowrite32(v, adev->rio_mem + (reg * 4)); - else { - iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4)); - iowrite32(v, adev->rio_mem + (mmMM_DATA * 4)); - } + if (amdgpu_device_skip_hw_access(adev)) + return; - if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) { - udelay(500); + if (amdgpu_sriov_fullaccess(adev) && + adev->gfx.rlc.funcs && + adev->gfx.rlc.funcs->is_rlcg_access_range) { + if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg)) + return adev->gfx.rlc.funcs->sriov_wreg(adev, reg, v, 0, 0); + } else { + writel(v, ((void __iomem *)adev->rmmio) + (reg * 4)); } } @@ -353,6 +582,9 @@ void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v) */ u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) { + if (amdgpu_device_skip_hw_access(adev)) + return 0; + if (index < adev->doorbell.num_doorbells) { return readl(adev->doorbell.ptr + index); } else { @@ -373,6 +605,9 @@ u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index) */ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) { + if (amdgpu_device_skip_hw_access(adev)) + return; + if (index < adev->doorbell.num_doorbells) { writel(v, adev->doorbell.ptr + index); } else { @@ -391,6 +626,9 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v) */ u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) { + if (amdgpu_device_skip_hw_access(adev)) + return 0; + if (index < adev->doorbell.num_doorbells) { return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index)); } else { @@ -411,6 +649,9 @@ u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index) */ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) { + if (amdgpu_device_skip_hw_access(adev)) + return; + if (index < adev->doorbell.num_doorbells) { atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v); } else { @@ -419,9 +660,140 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v) } /** + * amdgpu_device_indirect_rreg - read an indirect register + * + * @adev: amdgpu_device pointer + * @pcie_index: mmio register offset + * @pcie_data: mmio register offset + * @reg_addr: indirect register address to read from + * + * Returns the value of indirect register @reg_addr + */ +u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev, + u32 pcie_index, u32 pcie_data, + u32 reg_addr) +{ + unsigned long flags; + u32 r; + void __iomem *pcie_index_offset; + void __iomem *pcie_data_offset; + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + r = readl(pcie_data_offset); + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); + + return r; +} + +/** + * amdgpu_device_indirect_rreg64 - read a 64bits indirect register + * + * @adev: amdgpu_device pointer + * @pcie_index: mmio register offset + * @pcie_data: mmio register offset + * @reg_addr: indirect register address to read from + * + * Returns the value of indirect register @reg_addr + */ +u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev, + u32 pcie_index, u32 pcie_data, + u32 reg_addr) +{ + unsigned long flags; + u64 r; + void __iomem *pcie_index_offset; + void __iomem *pcie_data_offset; + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + + /* read low 32 bits */ + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + r = readl(pcie_data_offset); + /* read high 32 bits */ + writel(reg_addr + 4, pcie_index_offset); + readl(pcie_index_offset); + r |= ((u64)readl(pcie_data_offset) << 32); + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); + + return r; +} + +/** + * amdgpu_device_indirect_wreg - write an indirect register address + * + * @adev: amdgpu_device pointer + * @pcie_index: mmio register offset + * @pcie_data: mmio register offset + * @reg_addr: indirect register offset + * @reg_data: indirect register data + * + */ +void amdgpu_device_indirect_wreg(struct amdgpu_device *adev, + u32 pcie_index, u32 pcie_data, + u32 reg_addr, u32 reg_data) +{ + unsigned long flags; + void __iomem *pcie_index_offset; + void __iomem *pcie_data_offset; + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + writel(reg_data, pcie_data_offset); + readl(pcie_data_offset); + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); +} + +/** + * amdgpu_device_indirect_wreg64 - write a 64bits indirect register address + * + * @adev: amdgpu_device pointer + * @pcie_index: mmio register offset + * @pcie_data: mmio register offset + * @reg_addr: indirect register offset + * @reg_data: indirect register data + * + */ +void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev, + u32 pcie_index, u32 pcie_data, + u32 reg_addr, u64 reg_data) +{ + unsigned long flags; + void __iomem *pcie_index_offset; + void __iomem *pcie_data_offset; + + spin_lock_irqsave(&adev->pcie_idx_lock, flags); + pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4; + pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4; + + /* write low 32 bits */ + writel(reg_addr, pcie_index_offset); + readl(pcie_index_offset); + writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset); + readl(pcie_data_offset); + /* write high 32 bits */ + writel(reg_addr + 4, pcie_index_offset); + readl(pcie_index_offset); + writel((u32)(reg_data >> 32), pcie_data_offset); + readl(pcie_data_offset); + spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); +} + +/** * amdgpu_invalid_rreg - dummy reg read function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @reg: offset of register * * Dummy register read function. Used for register blocks @@ -438,7 +810,7 @@ static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg) /** * amdgpu_invalid_wreg - dummy reg write function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @reg: offset of register * @v: value to write to the register * @@ -455,7 +827,7 @@ static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32 /** * amdgpu_invalid_rreg64 - dummy 64 bit reg read function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @reg: offset of register * * Dummy register read function. Used for register blocks @@ -472,7 +844,7 @@ static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg) /** * amdgpu_invalid_wreg64 - dummy reg write function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @reg: offset of register * @v: value to write to the register * @@ -489,7 +861,7 @@ static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint /** * amdgpu_block_invalid_rreg - dummy reg read function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @block: offset of instance * @reg: offset of register * @@ -509,7 +881,7 @@ static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev, /** * amdgpu_block_invalid_wreg - dummy reg write function * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @block: offset of instance * @reg: offset of register * @v: value to write to the register @@ -527,9 +899,23 @@ static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev, } /** + * amdgpu_device_asic_init - Wrapper for atom asic_init + * + * @adev: amdgpu_device pointer + * + * Does any asic specific work and then calls atom asic init. + */ +static int amdgpu_device_asic_init(struct amdgpu_device *adev) +{ + amdgpu_asic_pre_asic_init(adev); + + return amdgpu_atom_asic_init(adev->mode_info.atom_context); +} + +/** * amdgpu_device_vram_scratch_init - allocate the VRAM scratch page * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * * Allocates a scratch page of VRAM for use by various things in the * driver. @@ -546,7 +932,7 @@ static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev) /** * amdgpu_device_vram_scratch_fini - Free the VRAM scratch page * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * * Frees the VRAM scratch page. */ @@ -607,6 +993,18 @@ void amdgpu_device_pci_config_reset(struct amdgpu_device *adev) pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA); } +/** + * amdgpu_device_pci_reset - reset the GPU using generic PCI means + * + * @adev: amdgpu_device pointer + * + * Resets the GPU using generic pci reset interfaces (FLR, SBR, etc.). + */ +int amdgpu_device_pci_reset(struct amdgpu_device *adev) +{ + return pci_reset_function(adev->pdev); +} + /* * GPU doorbell aperture helpers function. */ @@ -783,8 +1181,7 @@ void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb) */ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) { - u64 space_needed = roundup_pow_of_two(adev->gmc.real_vram_size); - u32 rbar_size = order_base_2(((space_needed >> 20) | 1)) - 1; + int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size); struct pci_bus *root; struct resource *res; unsigned i; @@ -795,6 +1192,11 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) if (amdgpu_sriov_vf(adev)) return 0; + /* skip if the bios has already enabled large BAR */ + if (adev->gmc.real_vram_size && + (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size)) + return 0; + /* Check if the root BUS has 64bit memory resources */ root = adev->pdev->bus; while (root->parent) @@ -810,6 +1212,10 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) if (!res) return 0; + /* Limit the BAR size to what is available */ + rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1, + rbar_size); + /* Disable memory decoding while we change the BAR addresses and size */ pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); pci_write_config_word(adev->pdev, PCI_COMMAND, @@ -881,6 +1287,10 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) } } + /* Don't post if we need to reset whole hive on init */ + if (adev->gmc.xgmi.pending_reset) + return false; + if (adev->has_hw_reset) { adev->has_hw_reset = false; return true; @@ -903,15 +1313,16 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) /** * amdgpu_device_vga_set_decode - enable/disable vga decode * - * @cookie: amdgpu_device pointer + * @pdev: PCI device pointer * @state: enable/disable vga decode * * Enable/disable vga decode (all asics). * Returns VGA resource flags. */ -static unsigned int amdgpu_device_vga_set_decode(void *cookie, bool state) +static unsigned int amdgpu_device_vga_set_decode(struct pci_dev *pdev, + bool state) { - struct amdgpu_device *adev = cookie; + struct amdgpu_device *adev = drm_to_adev(pci_get_drvdata(pdev)); amdgpu_asic_set_vga_state(adev, state); if (state) return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | @@ -969,7 +1380,7 @@ static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev) { struct sysinfo si; - bool is_os_64 = (sizeof(void *) == 8) ? true : false; + bool is_os_64 = (sizeof(void *) == 8); uint64_t total_memory; uint64_t dram_size_seven_GB = 0x1B8000000; uint64_t dram_size_three_GB = 0xB8000000; @@ -1006,6 +1417,42 @@ def_value: adev->pm.smu_prv_buffer_size = 0; } +static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev) +{ + if (!(adev->flags & AMD_IS_APU) || + adev->asic_type < CHIP_RAVEN) + return 0; + + switch (adev->asic_type) { + case CHIP_RAVEN: + if (adev->pdev->device == 0x15dd) + adev->apu_flags |= AMD_APU_IS_RAVEN; + if (adev->pdev->device == 0x15d8) + adev->apu_flags |= AMD_APU_IS_PICASSO; + break; + case CHIP_RENOIR: + if ((adev->pdev->device == 0x1636) || + (adev->pdev->device == 0x164c)) + adev->apu_flags |= AMD_APU_IS_RENOIR; + else + adev->apu_flags |= AMD_APU_IS_GREEN_SARDINE; + break; + case CHIP_VANGOGH: + adev->apu_flags |= AMD_APU_IS_VANGOGH; + break; + case CHIP_YELLOW_CARP: + break; + case CHIP_CYAN_SKILLFISH: + if (adev->pdev->device == 0x13FE) + adev->apu_flags |= AMD_APU_IS_CYAN_SKILLFISH2; + break; + default: + return -EINVAL; + } + + return 0; +} + /** * amdgpu_device_check_arguments - validate module params * @@ -1016,8 +1463,6 @@ def_value: */ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) { - int ret = 0; - if (amdgpu_sched_jobs < 4) { dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n", amdgpu_sched_jobs); @@ -1049,6 +1494,16 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) amdgpu_vm_fragment_size = -1; } + if (amdgpu_sched_hw_submission < 2) { + dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n", + amdgpu_sched_hw_submission); + amdgpu_sched_hw_submission = 2; + } else if (!is_power_of_2(amdgpu_sched_hw_submission)) { + dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n", + amdgpu_sched_hw_submission); + amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission); + } + amdgpu_device_check_smu_prv_buffer_size(adev); amdgpu_device_check_vm_size(adev); @@ -1057,7 +1512,11 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); - return ret; + amdgpu_gmc_tmz_set(adev); + + amdgpu_gmc_noretry_set(adev); + + return 0; } /** @@ -1069,27 +1528,36 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev) * Callback for the switcheroo driver. Suspends or resumes the * the asics before or after it is powered up using ACPI methods. */ -static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) +static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, + enum vga_switcheroo_state state) { struct drm_device *dev = pci_get_drvdata(pdev); + int r; - if (amdgpu_device_is_px(dev) && state == VGA_SWITCHEROO_OFF) + if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF) return; if (state == VGA_SWITCHEROO_ON) { - pr_info("amdgpu: switched on\n"); + pr_info("switched on\n"); /* don't suspend or resume card normally */ dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; - amdgpu_device_resume(dev, true, true); + pci_set_power_state(pdev, PCI_D0); + amdgpu_device_load_pci_state(pdev); + r = pci_enable_device(pdev); + if (r) + DRM_WARN("pci_enable_device failed (%d)\n", r); + amdgpu_device_resume(dev, true); dev->switch_power_state = DRM_SWITCH_POWER_ON; - drm_kms_helper_poll_enable(dev); } else { - pr_info("amdgpu: switched off\n"); - drm_kms_helper_poll_disable(dev); + pr_info("switched off\n"); dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; - amdgpu_device_suspend(dev, true, true); + amdgpu_device_suspend(dev, true); + amdgpu_device_cache_pci_state(pdev); + /* Shut down the device */ + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3cold); dev->switch_power_state = DRM_SWITCH_POWER_OFF; } } @@ -1112,7 +1580,7 @@ static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) * locking inversion with the driver load path. And the access here is * completely racy anyway. So don't bother with locking for now. */ - return dev->open_count == 0; + return atomic_read(&dev->open_count) == 0; } static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { @@ -1327,6 +1795,19 @@ int amdgpu_device_ip_block_add(struct amdgpu_device *adev, if (!ip_block_version) return -EINVAL; + switch (ip_block_version->type) { + case AMD_IP_BLOCK_TYPE_VCN: + if (adev->harvest_ip_mask & AMD_HARVEST_IP_VCN_MASK) + return 0; + break; + case AMD_IP_BLOCK_TYPE_JPEG: + if (adev->harvest_ip_mask & AMD_HARVEST_IP_JPEG_MASK) + return 0; + break; + default: + break; + } + DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks, ip_block_version->funcs->name); @@ -1352,8 +1833,7 @@ static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) adev->enable_virtual_display = false; if (amdgpu_virtual_display) { - struct drm_device *ddev = adev->ddev; - const char *pci_address_name = pci_name(ddev->pdev); + const char *pci_address_name = pci_name(adev->pdev); char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname; pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL); @@ -1405,22 +1885,25 @@ static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev) static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) { const char *chip_name; - char fw_name[30]; + char fw_name[40]; int err; const struct gpu_info_firmware_header_v1_0 *hdr; adev->firmware.gpu_info_fw = NULL; + if (adev->mman.discovery_bin) { + amdgpu_discovery_get_gfx_info(adev); + + /* + * FIXME: The bounding box is still needed by Navi12, so + * temporarily read it from gpu_info firmware. Should be droped + * when DAL no longer needs it. + */ + if (adev->asic_type != CHIP_NAVI12) + return 0; + } + switch (adev->asic_type) { - case CHIP_TOPAZ: - case CHIP_TONGA: - case CHIP_FIJI: - case CHIP_POLARIS10: - case CHIP_POLARIS11: - case CHIP_POLARIS12: - case CHIP_VEGAM: - case CHIP_CARRIZO: - case CHIP_STONEY: #ifdef CONFIG_DRM_AMDGPU_SI case CHIP_VERDE: case CHIP_TAHITI: @@ -1435,7 +1918,21 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) case CHIP_KABINI: case CHIP_MULLINS: #endif + case CHIP_TOPAZ: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + case CHIP_POLARIS12: + case CHIP_VEGAM: + case CHIP_CARRIZO: + case CHIP_STONEY: case CHIP_VEGA20: + case CHIP_ALDEBARAN: + case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: + case CHIP_DIMGREY_CAVEFISH: + case CHIP_BEIGE_GOBY: default: return 0; case CHIP_VEGA10: @@ -1445,9 +1942,9 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) chip_name = "vega12"; break; case CHIP_RAVEN: - if (adev->rev_id >= 8) + if (adev->apu_flags & AMD_APU_IS_RAVEN2) chip_name = "raven2"; - else if (adev->pdev->device == 0x15d8) + else if (adev->apu_flags & AMD_APU_IS_PICASSO) chip_name = "picasso"; else chip_name = "raven"; @@ -1456,7 +1953,10 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) chip_name = "arcturus"; break; case CHIP_RENOIR: - chip_name = "renoir"; + if (adev->apu_flags & AMD_APU_IS_RENOIR) + chip_name = "renoir"; + else + chip_name = "green_sardine"; break; case CHIP_NAVI10: chip_name = "navi10"; @@ -1467,6 +1967,12 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) case CHIP_NAVI12: chip_name = "navi12"; break; + case CHIP_VANGOGH: + chip_name = "vangogh"; + break; + case CHIP_YELLOW_CARP: + chip_name = "yellow_carp"; + break; } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name); @@ -1495,7 +2001,10 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) (const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); - if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) + /* + * Should be droped when DAL no longer needs it. + */ + if (adev->asic_type == CHIP_NAVI12) goto parse_soc_bounding_box; adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se); @@ -1527,10 +2036,9 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev) } parse_soc_bounding_box: -#ifdef CONFIG_DRM_AMD_DC_DCN2_0 /* * soc bounding box info is not integrated in disocovery table, - * we always need to parse it from gpu info firmware. + * we always need to parse it from gpu info firmware if needed. */ if (hdr->version_minor == 2) { const struct gpu_info_firmware_v1_2 *gpu_info_fw = @@ -1538,7 +2046,6 @@ parse_soc_bounding_box: le32_to_cpu(hdr->header.ucode_array_offset_bytes)); adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box; } -#endif break; } default: @@ -1567,25 +2074,13 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) amdgpu_device_enable_virtual_display(adev); - switch (adev->asic_type) { - case CHIP_TOPAZ: - case CHIP_TONGA: - case CHIP_FIJI: - case CHIP_POLARIS10: - case CHIP_POLARIS11: - case CHIP_POLARIS12: - case CHIP_VEGAM: - case CHIP_CARRIZO: - case CHIP_STONEY: - if (adev->asic_type == CHIP_CARRIZO || adev->asic_type == CHIP_STONEY) - adev->family = AMDGPU_FAMILY_CZ; - else - adev->family = AMDGPU_FAMILY_VI; - - r = vi_set_ip_blocks(adev); + if (amdgpu_sriov_vf(adev)) { + r = amdgpu_virt_request_full_gpu(adev, true); if (r) return r; - break; + } + + switch (adev->asic_type) { #ifdef CONFIG_DRM_AMDGPU_SI case CHIP_VERDE: case CHIP_TAHITI: @@ -1604,64 +2099,48 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) case CHIP_KAVERI: case CHIP_KABINI: case CHIP_MULLINS: - if ((adev->asic_type == CHIP_BONAIRE) || (adev->asic_type == CHIP_HAWAII)) - adev->family = AMDGPU_FAMILY_CI; - else + if (adev->flags & AMD_IS_APU) adev->family = AMDGPU_FAMILY_KV; + else + adev->family = AMDGPU_FAMILY_CI; r = cik_set_ip_blocks(adev); if (r) return r; break; #endif - case CHIP_VEGA10: - case CHIP_VEGA12: - case CHIP_VEGA20: - case CHIP_RAVEN: - case CHIP_ARCTURUS: - case CHIP_RENOIR: - if (adev->asic_type == CHIP_RAVEN || - adev->asic_type == CHIP_RENOIR) - adev->family = AMDGPU_FAMILY_RV; + case CHIP_TOPAZ: + case CHIP_TONGA: + case CHIP_FIJI: + case CHIP_POLARIS10: + case CHIP_POLARIS11: + case CHIP_POLARIS12: + case CHIP_VEGAM: + case CHIP_CARRIZO: + case CHIP_STONEY: + if (adev->flags & AMD_IS_APU) + adev->family = AMDGPU_FAMILY_CZ; else - adev->family = AMDGPU_FAMILY_AI; + adev->family = AMDGPU_FAMILY_VI; - r = soc15_set_ip_blocks(adev); + r = vi_set_ip_blocks(adev); if (r) return r; break; - case CHIP_NAVI10: - case CHIP_NAVI14: - case CHIP_NAVI12: - adev->family = AMDGPU_FAMILY_NV; - - r = nv_set_ip_blocks(adev); + default: + r = amdgpu_discovery_set_ip_blocks(adev); if (r) return r; break; - default: - /* FIXME: not supported yet */ - return -EINVAL; } - r = amdgpu_device_parse_gpu_info_fw(adev); - if (r) - return r; - - if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) - amdgpu_discovery_get_gfx_info(adev); - amdgpu_amdkfd_device_probe(adev); - if (amdgpu_sriov_vf(adev)) { - r = amdgpu_virt_request_full_gpu(adev, true); - if (r) - return -EAGAIN; - } - adev->pm.pp_feature = amdgpu_pp_feature_mask; if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) adev->pm.pp_feature &= ~PP_GFXOFF_MASK; + if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_SIENNA_CICHLID) + adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK; for (i = 0; i < adev->num_ip_blocks; i++) { if ((amdgpu_ip_block_mask & (1 << i)) == 0) { @@ -1686,6 +2165,10 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) } /* get the vbios after the asic_funcs are set up */ if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { + r = amdgpu_device_parse_gpu_info_fw(adev); + if (r) + return r; + /* Read BIOS */ if (!amdgpu_get_bios(adev)) return -EINVAL; @@ -1696,6 +2179,11 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0); return r; } + + /*get pf2vf msg info at it's earliest time*/ + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_init_data_exchange(adev); + } } @@ -1762,11 +2250,14 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) continue; + if (!adev->ip_blocks[i].status.sw) + continue; + /* no need to do the fw loading again if already done*/ if (adev->ip_blocks[i].status.hw == true) break; - if (adev->in_gpu_reset || adev->in_suspend) { + if (amdgpu_in_reset(adev) || adev->in_suspend) { r = adev->ip_blocks[i].version->funcs->resume(adev); if (r) { DRM_ERROR("resume of IP block <%s> failed %d\n", @@ -1787,7 +2278,8 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) } } - r = amdgpu_pm_load_smu_firmware(adev, &smu_version); + if (!amdgpu_sriov_vf(adev) || adev->asic_type == CHIP_TONGA) + r = amdgpu_pm_load_smu_firmware(adev, &smu_version); return r; } @@ -1854,6 +2346,9 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) } } + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_init_data_exchange(adev); + r = amdgpu_ib_pool_init(adev); if (r) { dev_err(adev->dev, "IB initialization failed (%d).\n", r); @@ -1882,24 +2377,36 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) * it should be called after amdgpu_device_ip_hw_init_phase2 since * for some ASICs the RAS EEPROM code relies on SMU fully functioning * for I2C communication which only true at this point. - * recovery_init may fail, but it can free all resources allocated by - * itself and its failure should not stop amdgpu init process. + * + * amdgpu_ras_recovery_init may fail, but the upper only cares the + * failure from bad gpu situation and stop amdgpu init process + * accordingly. For other failed cases, it will still release all + * the resource and print error message, rather than returning one + * negative value to upper level. * * Note: theoretically, this should be called before all vram allocations * to protect retired page from abusing */ - amdgpu_ras_recovery_init(adev); + r = amdgpu_ras_recovery_init(adev); + if (r) + goto init_failed; if (adev->gmc.xgmi.num_physical_nodes > 1) amdgpu_xgmi_add_device(adev); - amdgpu_amdkfd_device_init(adev); + + /* Don't init kfd if whole hive need to be reset during init */ + if (!adev->gmc.xgmi.pending_reset) + amdgpu_amdkfd_device_init(adev); + + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + goto init_failed; + + amdgpu_fru_get_product_info(adev); init_failed: - if (amdgpu_sriov_vf(adev)) { - if (!r) - amdgpu_virt_init_data_exchange(adev); + if (amdgpu_sriov_vf(adev)) amdgpu_virt_release_full_gpu(adev, true); - } return r; } @@ -1930,14 +2437,31 @@ static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev) */ static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) { - return !!memcmp(adev->gart.ptr, adev->reset_magic, - AMDGPU_RESET_MAGIC_NUM); + if (memcmp(adev->gart.ptr, adev->reset_magic, + AMDGPU_RESET_MAGIC_NUM)) + return true; + + if (!amdgpu_in_reset(adev)) + return false; + + /* + * For all ASICs with baco/mode1 reset, the VRAM is + * always assumed to be lost. + */ + switch (amdgpu_asic_reset_method(adev)) { + case AMD_RESET_METHOD_BACO: + case AMD_RESET_METHOD_MODE1: + return true; + default: + return false; + } } /** * amdgpu_device_set_cg_state - set clockgating for amdgpu device * * @adev: amdgpu_device pointer + * @state: clockgating state (gate or ungate) * * The list of all the hardware IPs that make up the asic is walked and the * set_clockgating_state callbacks are run. @@ -1946,8 +2470,8 @@ static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev) * Returns 0 on success, negative error code on failure. */ -static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, - enum amd_clockgating_state state) +int amdgpu_device_set_cg_state(struct amdgpu_device *adev, + enum amd_clockgating_state state) { int i, j, r; @@ -1958,10 +2482,15 @@ static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; if (!adev->ip_blocks[i].status.late_initialized) continue; + /* skip CG for GFX on S0ix */ + if (adev->in_s0ix && + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX) + continue; /* skip CG for VCE/UVD, it's handled specially */ if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && adev->ip_blocks[i].version->funcs->set_clockgating_state) { /* enable clockgating to save power */ r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev, @@ -1977,7 +2506,8 @@ static int amdgpu_device_set_cg_state(struct amdgpu_device *adev, return 0; } -static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_powergating_state state) +int amdgpu_device_set_pg_state(struct amdgpu_device *adev, + enum amd_powergating_state state) { int i, j, r; @@ -1988,10 +2518,15 @@ static int amdgpu_device_set_pg_state(struct amdgpu_device *adev, enum amd_power i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1; if (!adev->ip_blocks[i].status.late_initialized) continue; + /* skip PG for GFX on S0ix */ + if (adev->in_s0ix && + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX) + continue; /* skip CG for VCE/UVD, it's handled specially */ if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE && adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN && + adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG && adev->ip_blocks[i].version->funcs->set_powergating_state) { /* enable powergating to save power */ r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev, @@ -2026,9 +2561,7 @@ static int amdgpu_device_enable_mgpu_fan_boost(void) gpu_ins = &(mgpu_info.gpu_ins[i]); adev = gpu_ins->adev; if (!(adev->flags & AMD_IS_APU) && - !gpu_ins->mgpu_fan_enabled && - adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->enable_mgpu_fan_boost) { + !gpu_ins->mgpu_fan_enabled) { ret = amdgpu_dpm_enable_mgpu_fan_boost(adev); if (ret) break; @@ -2074,6 +2607,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) adev->ip_blocks[i].status.late_initialized = true; } + amdgpu_ras_set_error_query_ready(adev, true); + amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE); amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE); @@ -2083,6 +2618,11 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) if (r) DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); + /* For XGMI + passthrough configuration on arcturus, enable light SBR */ + if (adev->asic_type == CHIP_ARCTURUS && + amdgpu_passthrough(adev) && + adev->gmc.xgmi.num_physical_nodes > 1) + smu_set_light_sbr(&adev->smu, true); if (adev->gmc.xgmi.num_physical_nodes > 1) { mutex_lock(&mgpu_info.mutex); @@ -2106,7 +2646,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) if (gpu_instance->adev->flags & AMD_IS_APU) continue; - r = amdgpu_xgmi_set_pstate(gpu_instance->adev, 0); + r = amdgpu_xgmi_set_pstate(gpu_instance->adev, + AMDGPU_XGMI_PSTATE_MIN); if (r) { DRM_ERROR("pstate setting failed (%d).\n", r); break; @@ -2120,27 +2661,22 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev) return 0; } -/** - * amdgpu_device_ip_fini - run fini for hardware IPs - * - * @adev: amdgpu_device pointer - * - * Main teardown pass for hardware IPs. The list of all the hardware - * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks - * are run. hw_fini tears down the hardware associated with each IP - * and sw_fini tears down any software state associated with each IP. - * Returns 0 on success, negative error code on failure. - */ -static int amdgpu_device_ip_fini(struct amdgpu_device *adev) +static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev) { int i, r; - amdgpu_ras_pre_fini(adev); + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].version->funcs->early_fini) + continue; - if (adev->gmc.xgmi.num_physical_nodes > 1) - amdgpu_xgmi_remove_device(adev); + r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev); + if (r) { + DRM_DEBUG("early_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + } + } - amdgpu_amdkfd_device_fini(adev); + amdgpu_amdkfd_suspend(adev, false); amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); @@ -2175,6 +2711,38 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = false; } + if (amdgpu_sriov_vf(adev)) { + if (amdgpu_virt_release_full_gpu(adev, false)) + DRM_ERROR("failed to release exclusive mode on fini\n"); + } + + return 0; +} + +/** + * amdgpu_device_ip_fini - run fini for hardware IPs + * + * @adev: amdgpu_device pointer + * + * Main teardown pass for hardware IPs. The list of all the hardware + * IPs that make up the asic is walked and the hw_fini and sw_fini callbacks + * are run. hw_fini tears down the hardware associated with each IP + * and sw_fini tears down any software state associated with each IP. + * Returns 0 on success, negative error code on failure. + */ +static int amdgpu_device_ip_fini(struct amdgpu_device *adev) +{ + int i, r; + + if (amdgpu_sriov_vf(adev) && adev->virt.ras_init_done) + amdgpu_virt_release_ras_err_handler_data(adev); + + amdgpu_ras_pre_fini(adev); + + if (adev->gmc.xgmi.num_physical_nodes > 1) + amdgpu_xgmi_remove_device(adev); + + amdgpu_amdkfd_device_fini_sw(adev); for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.sw) @@ -2208,10 +2776,6 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) amdgpu_ras_fini(adev); - if (amdgpu_sriov_vf(adev)) - if (amdgpu_virt_release_full_gpu(adev, false)) - DRM_ERROR("failed to release exclusive mode on fini\n"); - return 0; } @@ -2236,12 +2800,11 @@ static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) struct amdgpu_device *adev = container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work); - mutex_lock(&adev->gfx.gfx_off_mutex); - if (!adev->gfx.gfx_off_state && !adev->gfx.gfx_off_req_count) { - if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) - adev->gfx.gfx_off_state = true; - } - mutex_unlock(&adev->gfx.gfx_off_mutex); + WARN_ON_ONCE(adev->gfx.gfx_off_state); + WARN_ON_ONCE(adev->gfx.gfx_off_req_count); + + if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true)) + adev->gfx.gfx_off_state = true; } /** @@ -2265,18 +2828,21 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.valid) continue; + /* displays are handled separately */ - if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) { - /* XXX handle errors */ - r = adev->ip_blocks[i].version->funcs->suspend(adev); - /* XXX handle errors */ - if (r) { - DRM_ERROR("suspend of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); - return r; - } - adev->ip_blocks[i].status.hw = false; + if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE) + continue; + + /* XXX handle errors */ + r = adev->ip_blocks[i].version->funcs->suspend(adev); + /* XXX handle errors */ + if (r) { + DRM_ERROR("suspend of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + return r; } + + adev->ip_blocks[i].status.hw = false; } return 0; @@ -2297,6 +2863,9 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) { int i, r; + if (adev->in_s0ix) + amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry); + for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.valid) continue; @@ -2309,6 +2878,27 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = false; continue; } + + /* skip unnecessary suspend if we do not initialize them yet */ + if (adev->gmc.xgmi.pending_reset && + !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) { + adev->ip_blocks[i].status.hw = false; + continue; + } + + /* skip suspend of gfx and psp for S0ix + * gfx is in gfxoff state, so on resume it will exit gfxoff just + * like at runtime. PSP is also part of the always on hardware + * so no need to suspend it. + */ + if (adev->in_s0ix && + (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)) + continue; + /* XXX handle errors */ r = adev->ip_blocks[i].version->funcs->suspend(adev); /* XXX handle errors */ @@ -2318,23 +2908,16 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev) } adev->ip_blocks[i].status.hw = false; /* handle putting the SMC in the appropriate state */ - if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { - if (is_support_sw_smu(adev)) { - r = smu_set_mp1_state(&adev->smu, adev->mp1_state); - } else if (adev->powerplay.pp_funcs && - adev->powerplay.pp_funcs->set_mp1_state) { - r = adev->powerplay.pp_funcs->set_mp1_state( - adev->powerplay.pp_handle, - adev->mp1_state); - } - if (r) { - DRM_ERROR("SMC failed to set mp1 state %d, %d\n", - adev->mp1_state, r); - return r; + if(!amdgpu_sriov_vf(adev)){ + if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) { + r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state); + if (r) { + DRM_ERROR("SMC failed to set mp1 state %d, %d\n", + adev->mp1_state, r); + return r; + } } } - - adev->ip_blocks[i].status.hw = false; } return 0; @@ -2355,8 +2938,10 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev) { int r; - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev)) { + amdgpu_virt_fini_data_exchange(adev); amdgpu_virt_request_full_gpu(adev, false); + } r = amdgpu_device_ip_suspend_phase1(adev); if (r) @@ -2380,15 +2965,16 @@ static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev) AMD_IP_BLOCK_TYPE_IH, }; - for (i = 0; i < ARRAY_SIZE(ip_order); i++) { + for (i = 0; i < adev->num_ip_blocks; i++) { int j; struct amdgpu_ip_block *block; - for (j = 0; j < adev->num_ip_blocks; j++) { - block = &adev->ip_blocks[j]; + block = &adev->ip_blocks[i]; + block->status.hw = false; - block->status.hw = false; - if (block->version->type != ip_order[i] || + for (j = 0; j < ARRAY_SIZE(ip_order); j++) { + + if (block->version->type != ip_order[j] || !block->status.valid) continue; @@ -2413,7 +2999,8 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) AMD_IP_BLOCK_TYPE_GFX, AMD_IP_BLOCK_TYPE_SDMA, AMD_IP_BLOCK_TYPE_UVD, - AMD_IP_BLOCK_TYPE_VCE + AMD_IP_BLOCK_TYPE_VCE, + AMD_IP_BLOCK_TYPE_VCN }; for (i = 0; i < ARRAY_SIZE(ip_order); i++) { @@ -2428,7 +3015,11 @@ static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev) block->status.hw) continue; - r = block->version->funcs->hw_init(adev); + if (block->version->type == AMD_IP_BLOCK_TYPE_SMC) + r = block->version->funcs->resume(adev); + else + r = block->version->funcs->hw_init(adev); + DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded"); if (r) return r; @@ -2528,6 +3119,10 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev) { int r; + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + return r; + r = amdgpu_device_ip_resume_phase1(adev); if (r) return r; @@ -2552,7 +3147,7 @@ static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev) { if (amdgpu_sriov_vf(adev)) { if (adev->is_atom_fw) { - if (amdgpu_atomfirmware_gpu_supports_virtualization(adev)) + if (amdgpu_atomfirmware_gpu_virtualization_supported(adev)) adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS; } else { if (amdgpu_atombios_has_gpu_virtualization_table(adev)) @@ -2576,6 +3171,12 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) { switch (asic_type) { #if defined(CONFIG_DRM_AMD_DC) +#if defined(CONFIG_DRM_AMD_DC_SI) + case CHIP_TAHITI: + case CHIP_PITCAIRN: + case CHIP_VERDE: + case CHIP_OLAND: +#endif case CHIP_BONAIRE: case CHIP_KAVERI: case CHIP_KABINI: @@ -2600,49 +3201,93 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_VEGA20: -#if defined(CONFIG_DRM_AMD_DC_DCN1_0) +#if defined(CONFIG_DRM_AMD_DC_DCN) case CHIP_RAVEN: -#endif -#if defined(CONFIG_DRM_AMD_DC_DCN2_0) case CHIP_NAVI10: case CHIP_NAVI14: case CHIP_NAVI12: -#endif -#if defined(CONFIG_DRM_AMD_DC_DCN2_1) case CHIP_RENOIR: + case CHIP_CYAN_SKILLFISH: + case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: + case CHIP_DIMGREY_CAVEFISH: + case CHIP_BEIGE_GOBY: + case CHIP_VANGOGH: + case CHIP_YELLOW_CARP: #endif + default: return amdgpu_dc != 0; -#endif +#else default: + if (amdgpu_dc > 0) + DRM_INFO_ONCE("Display Core has been requested via kernel parameter " + "but isn't supported by ASIC, ignoring\n"); return false; +#endif } } /** * amdgpu_device_has_dc_support - check if dc is supported * - * @adev: amdgpu_device_pointer + * @adev: amdgpu_device pointer * * Returns true for supported, false for not supported */ bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) { - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev) || + adev->enable_virtual_display || + (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK)) return false; return amdgpu_device_asic_has_dc_support(adev->asic_type); } - static void amdgpu_device_xgmi_reset_func(struct work_struct *__work) { struct amdgpu_device *adev = container_of(__work, struct amdgpu_device, xgmi_reset_work); + struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev); - adev->asic_reset_res = amdgpu_asic_reset(adev); + /* It's a bug to not have a hive within this function */ + if (WARN_ON(!hive)) + return; + + /* + * Use task barrier to synchronize all xgmi reset works across the + * hive. task_barrier_enter and task_barrier_exit will block + * until all the threads running the xgmi reset works reach + * those points. task_barrier_full will do both blocks. + */ + if (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { + + task_barrier_enter(&hive->tb); + adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev)); + + if (adev->asic_reset_res) + goto fail; + + task_barrier_exit(&hive->tb); + adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev)); + + if (adev->asic_reset_res) + goto fail; + + if (adev->mmhub.ras_funcs && + adev->mmhub.ras_funcs->reset_ras_error_count) + adev->mmhub.ras_funcs->reset_ras_error_count(adev); + } else { + + task_barrier_full(&hive->tb); + adev->asic_reset_res = amdgpu_asic_reset(adev); + } + +fail: if (adev->asic_reset_res) DRM_WARN("ASIC reset failed with error, %d for drm dev, %s", - adev->asic_reset_res, adev->ddev->unique); + adev->asic_reset_res, adev_to_drm(adev)->unique); + amdgpu_put_xgmi_hive(hive); } static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) @@ -2654,17 +3299,18 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) int ret = 0; /* - * By default timeout for non compute jobs is 10000. - * And there is no timeout enforced on compute jobs. + * By default timeout for non compute jobs is 10000 + * and 60000 for compute jobs. * In SR-IOV or passthrough mode, timeout for compute - * jobs are 10000 by default. + * jobs are 60000 by default. */ adev->gfx_timeout = msecs_to_jiffies(10000); adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout; - if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev)) - adev->compute_timeout = adev->gfx_timeout; + if (amdgpu_sriov_vf(adev)) + adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev) ? + msecs_to_jiffies(60000) : msecs_to_jiffies(10000); else - adev->compute_timeout = MAX_SCHEDULE_TIMEOUT; + adev->compute_timeout = msecs_to_jiffies(60000); if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH)) { while ((timeout_setting = strsep(&input, ",")) && @@ -2678,6 +3324,8 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) continue; } else if (timeout < 0) { timeout = MAX_SCHEDULE_TIMEOUT; + dev_warn(adev->dev, "lockup timeout disabled"); + add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK); } else { timeout = msecs_to_jiffies(timeout); } @@ -2713,12 +3361,18 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) return ret; } +static const struct attribute *amdgpu_dev_attributes[] = { + &dev_attr_product_name.attr, + &dev_attr_product_number.attr, + &dev_attr_serial_number.attr, + &dev_attr_pcie_replay_count.attr, + NULL +}; + /** * amdgpu_device_init - initialize the driver * * @adev: amdgpu_device pointer - * @ddev: drm dev pointer - * @pdev: pci dev pointer * @flags: driver flags * * Initializes the driver info and hw (all asics). @@ -2726,18 +3380,15 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev) * Called at driver startup. */ int amdgpu_device_init(struct amdgpu_device *adev, - struct drm_device *ddev, - struct pci_dev *pdev, uint32_t flags) { + struct drm_device *ddev = adev_to_drm(adev); + struct pci_dev *pdev = adev->pdev; int r, i; - bool runtime = false; + bool px = false; u32 max_MBps; adev->shutdown = false; - adev->dev = &pdev->dev; - adev->ddev = ddev; - adev->pdev = pdev; adev->flags = flags; if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST) @@ -2747,15 +3398,16 @@ int amdgpu_device_init(struct amdgpu_device *adev, adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT; if (amdgpu_emu_mode == 1) - adev->usec_timeout *= 2; + adev->usec_timeout *= 10; adev->gmc.gart_size = 512 * 1024 * 1024; adev->accel_working = false; adev->num_rings = 0; adev->mman.buffer_funcs = NULL; adev->mman.buffer_funcs_ring = NULL; adev->vm_manager.vm_pte_funcs = NULL; - adev->vm_manager.vm_pte_num_rqs = 0; + adev->vm_manager.vm_pte_num_scheds = 0; adev->gmc.gmc_funcs = NULL; + adev->harvest_ip_mask = 0x0; adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS); bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES); @@ -2782,7 +3434,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* mutex initialization are all done here so we * can recall function without having locking issues */ - atomic_set(&adev->irq.ih.lock, 0); mutex_init(&adev->firmware.mutex); mutex_init(&adev->pm.mutex); mutex_init(&adev->gfx.gpu_clock_mutex); @@ -2793,10 +3444,14 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->mn_lock); mutex_init(&adev->virt.vf_errors.lock); hash_init(adev->mn_hash); - mutex_init(&adev->lock_reset); - mutex_init(&adev->notifier_lock); - mutex_init(&adev->virt.dpm_mutex); + atomic_set(&adev->in_gpu_reset, 0); + init_rwsem(&adev->reset_sem); mutex_init(&adev->psp.mutex); + mutex_init(&adev->notifier_lock); + + r = amdgpu_device_init_apu_flags(adev); + if (r) + return r; r = amdgpu_device_check_arguments(adev); if (r) @@ -2815,8 +3470,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, INIT_LIST_HEAD(&adev->shadow_list); mutex_init(&adev->shadow_list_lock); - INIT_LIST_HEAD(&adev->ring_lru_list); - spin_lock_init(&adev->ring_lru_list_lock); + INIT_LIST_HEAD(&adev->reset_list); INIT_DELAYED_WORK(&adev->delayed_init_work, amdgpu_device_delayed_init_work_handler); @@ -2826,7 +3480,18 @@ int amdgpu_device_init(struct amdgpu_device *adev, INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func); adev->gfx.gfx_off_req_count = 1; - adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false; + adev->pm.ac_power = power_supply_is_system_supplied() > 0; + + atomic_set(&adev->throttling_logging_enabled, 1); + /* + * If throttling continues, logging will be performed every minute + * to avoid log flooding. "-1" is subtracted since the thermal + * throttling interrupt comes every second. Thus, the total logging + * interval is 59 seconds(retelimited printk interval) + 1(waiting + * for throttling interrupt) = 60 seconds. + */ + ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZ, 1); + ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE); /* Registers mapping */ /* TODO: block userspace mapping of io register */ @@ -2845,28 +3510,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); - /* io port mapping */ - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - if (pci_resource_flags(adev->pdev, i) & IORESOURCE_IO) { - adev->rio_mem_size = pci_resource_len(adev->pdev, i); - adev->rio_mem = pci_iomap(adev->pdev, i, adev->rio_mem_size); - break; - } - } - if (adev->rio_mem == NULL) - DRM_INFO("PCI I/O BAR is not found.\n"); - - /* enable PCIE atomic ops */ - r = pci_enable_atomic_ops_to_root(adev->pdev, - PCI_EXP_DEVCAP2_ATOMIC_COMP32 | - PCI_EXP_DEVCAP2_ATOMIC_COMP64); - if (r) { - adev->have_atomics_support = false; - DRM_INFO("PCIE atomic ops is not supported\n"); - } else { - adev->have_atomics_support = true; - } - amdgpu_device_get_pcie_info(adev); if (amdgpu_mcbp) @@ -2875,12 +3518,13 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10) adev->enable_mes = true; - if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) { - r = amdgpu_discovery_init(adev); - if (r) { - dev_err(adev->dev, "amdgpu_discovery_init failed\n"); - return r; - } + /* detect hw virtualization here */ + amdgpu_detect_virtualization(adev); + + r = amdgpu_device_get_job_timeout_settings(adev); + if (r) { + dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); + return r; } /* early init functions */ @@ -2888,34 +3532,30 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) return r; - r = amdgpu_device_get_job_timeout_settings(adev); - if (r) { - dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n"); - return r; - } + /* enable PCIE atomic ops */ + if (amdgpu_sriov_vf(adev)) + adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) + adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_enabled_flags == + (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); + else + adev->have_atomics_support = + !pci_enable_atomic_ops_to_root(adev->pdev, + PCI_EXP_DEVCAP2_ATOMIC_COMP32 | + PCI_EXP_DEVCAP2_ATOMIC_COMP64); + if (!adev->have_atomics_support) + dev_info(adev->dev, "PCIE atomic ops is not supported\n"); /* doorbell bar mapping and doorbell index init*/ amdgpu_device_doorbell_init(adev); - /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ - /* this will fail for cards that aren't VGA class devices, just - * ignore it */ - vga_client_register(adev->pdev, adev, NULL, amdgpu_device_vga_set_decode); - - if (amdgpu_device_is_px(ddev)) - runtime = true; - if (!pci_is_thunderbolt_attached(adev->pdev)) - vga_switcheroo_register_client(adev->pdev, - &amdgpu_switcheroo_ops, runtime); - if (runtime) - vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); - if (amdgpu_emu_mode == 1) { /* post the asic on emulation mode */ emu_soc_asic_init(adev); goto fence_driver_init; } + amdgpu_reset_init(adev); + /* detect if we are with an SRIOV vbios */ amdgpu_device_detect_sriov_bios(adev); @@ -2923,13 +3563,33 @@ int amdgpu_device_init(struct amdgpu_device *adev, * E.g., driver was not cleanly unloaded previously, etc. */ if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) { - r = amdgpu_asic_reset(adev); - if (r) { - dev_err(adev->dev, "asic reset on init failed\n"); - goto failed; + if (adev->gmc.xgmi.num_physical_nodes) { + dev_info(adev->dev, "Pending hive reset.\n"); + adev->gmc.xgmi.pending_reset = true; + /* Only need to init necessary block for SMU to handle the reset */ + for (i = 0; i < adev->num_ip_blocks; i++) { + if (!adev->ip_blocks[i].status.valid) + continue; + if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH || + adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) { + DRM_DEBUG("IP %s disabled for hw_init.\n", + adev->ip_blocks[i].version->funcs->name); + adev->ip_blocks[i].status.hw = true; + } + } + } else { + r = amdgpu_asic_reset(adev); + if (r) { + dev_err(adev->dev, "asic reset on init failed\n"); + goto failed; + } } } + pci_enable_pcie_error_reporting(adev->pdev); + /* Post card if necessary */ if (amdgpu_device_need_post(adev)) { if (!adev->bios) { @@ -2938,7 +3598,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, goto failed; } DRM_INFO("GPU posting now...\n"); - r = amdgpu_atom_asic_init(adev->mode_info.atom_context); + r = amdgpu_device_asic_init(adev); if (r) { dev_err(adev->dev, "gpu post error!\n"); goto failed; @@ -2968,15 +3628,15 @@ int amdgpu_device_init(struct amdgpu_device *adev, fence_driver_init: /* Fence driver */ - r = amdgpu_fence_driver_init(adev); + r = amdgpu_fence_driver_sw_init(adev); if (r) { - dev_err(adev->dev, "amdgpu_fence_driver_init failed\n"); + dev_err(adev->dev, "amdgpu_fence_driver_sw_init failed\n"); amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0); goto failed; } /* init the mode config */ - drm_mode_config_init(adev->ddev); + drm_mode_config_init(adev_to_drm(adev)); r = amdgpu_device_ip_init(adev); if (r) { @@ -2990,15 +3650,22 @@ fence_driver_init: adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; adev->virt.ops = NULL; r = -EAGAIN; - goto failed; + goto release_ras_con; } dev_err(adev->dev, "amdgpu_device_ip_init failed\n"); amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0); - if (amdgpu_virt_request_full_gpu(adev, false)) - amdgpu_virt_release_full_gpu(adev, false); - goto failed; + goto release_ras_con; } + amdgpu_fence_driver_hw_init(adev); + + dev_info(adev->dev, + "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n", + adev->gfx.config.max_shader_engines, + adev->gfx.config.max_sh_per_se, + adev->gfx.config.max_cu_per_sh, + adev->gfx.cu_info.number); + adev->accel_working = true; amdgpu_vm_check_compute_bug(adev); @@ -3013,32 +3680,19 @@ fence_driver_init: amdgpu_fbdev_init(adev); - if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)) - amdgpu_pm_virt_sysfs_init(adev); - r = amdgpu_pm_sysfs_init(adev); - if (r) + if (r) { + adev->pm_sysfs_en = false; DRM_ERROR("registering pm debugfs failed (%d).\n", r); + } else + adev->pm_sysfs_en = true; r = amdgpu_ucode_sysfs_init(adev); - if (r) + if (r) { + adev->ucode_sysfs_en = false; DRM_ERROR("Creating firmware sysfs failed (%d).\n", r); - - r = amdgpu_debugfs_gem_init(adev); - if (r) - DRM_ERROR("registering gem debugfs failed (%d).\n", r); - - r = amdgpu_debugfs_regs_init(adev); - if (r) - DRM_ERROR("registering register debugfs failed (%d).\n", r); - - r = amdgpu_debugfs_firmware_init(adev); - if (r) - DRM_ERROR("registering firmware debugfs failed (%d).\n", r); - - r = amdgpu_debugfs_init(adev); - if (r) - DRM_ERROR("Creating debugfs files failed (%d).\n", r); + } else + adev->ucode_sysfs_en = true; if ((amdgpu_testing & 1)) { if (adev->accel_working) @@ -3063,40 +3717,84 @@ fence_driver_init: /* enable clockgating, etc. after ib tests, etc. since some blocks require * explicit gating rather than handling it automatically. */ - r = amdgpu_device_ip_late_init(adev); - if (r) { - dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); - amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); - goto failed; + if (!adev->gmc.xgmi.pending_reset) { + r = amdgpu_device_ip_late_init(adev); + if (r) { + dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n"); + amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r); + goto release_ras_con; + } + /* must succeed. */ + amdgpu_ras_resume(adev); + queue_delayed_work(system_wq, &adev->delayed_init_work, + msecs_to_jiffies(AMDGPU_RESUME_MS)); } - /* must succeed. */ - amdgpu_ras_resume(adev); - - queue_delayed_work(system_wq, &adev->delayed_init_work, - msecs_to_jiffies(AMDGPU_RESUME_MS)); + if (amdgpu_sriov_vf(adev)) + flush_delayed_work(&adev->delayed_init_work); - r = device_create_file(adev->dev, &dev_attr_pcie_replay_count); - if (r) { - dev_err(adev->dev, "Could not create pcie_replay_count"); - return r; - } + r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes); + if (r) + dev_err(adev->dev, "Could not create amdgpu device attr\n"); if (IS_ENABLED(CONFIG_PERF_EVENTS)) r = amdgpu_pmu_init(adev); if (r) dev_err(adev->dev, "amdgpu_pmu_init failed\n"); + /* Have stored pci confspace at hand for restore in sudden PCI error */ + if (amdgpu_device_cache_pci_state(adev->pdev)) + pci_restore_state(pdev); + + /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */ + /* this will fail for cards that aren't VGA class devices, just + * ignore it */ + if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) + vga_client_register(adev->pdev, amdgpu_device_vga_set_decode); + + if (amdgpu_device_supports_px(ddev)) { + px = true; + vga_switcheroo_register_client(adev->pdev, + &amdgpu_switcheroo_ops, px); + vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain); + } + + if (adev->gmc.xgmi.pending_reset) + queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work, + msecs_to_jiffies(AMDGPU_RESUME_MS)); + return 0; +release_ras_con: + amdgpu_release_ras_context(adev); + failed: amdgpu_vf_error_trans_all(adev); - if (runtime) - vga_switcheroo_fini_domain_pm_ops(adev->dev); return r; } +static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev) +{ + /* Clear all CPU mappings pointing to this device */ + unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1); + + /* Unmap all mapped bars - Doorbell, registers and VRAM */ + amdgpu_device_doorbell_fini(adev); + + iounmap(adev->rmmio); + adev->rmmio = NULL; + if (adev->mman.aper_base_kaddr) + iounmap(adev->mman.aper_base_kaddr); + adev->mman.aper_base_kaddr = NULL; + + /* Memory manager related */ + if (!adev->gmc.xgmi.connected_to_cpu) { + arch_phys_wc_del(adev->gmc.vram_mtrr); + arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); + } +} + /** * amdgpu_device_fini - tear down the driver * @@ -3105,31 +3803,63 @@ failed: * Tear down the driver info (all asics). * Called at driver shutdown. */ -void amdgpu_device_fini(struct amdgpu_device *adev) +void amdgpu_device_fini_hw(struct amdgpu_device *adev) { - int r; - - DRM_INFO("amdgpu: finishing device.\n"); + dev_info(adev->dev, "amdgpu: finishing device.\n"); flush_delayed_work(&adev->delayed_init_work); + if (adev->mman.initialized) { + flush_delayed_work(&adev->mman.bdev.wq); + ttm_bo_lock_delayed_workqueue(&adev->mman.bdev); + } adev->shutdown = true; + /* make sure IB test finished before entering exclusive mode + * to avoid preemption on IB test + * */ + if (amdgpu_sriov_vf(adev)) { + amdgpu_virt_request_full_gpu(adev, false); + amdgpu_virt_fini_data_exchange(adev); + } + /* disable all interrupts */ amdgpu_irq_disable_all(adev); if (adev->mode_info.mode_config_initialized){ if (!amdgpu_device_has_dc_support(adev)) - drm_helper_force_disable_all(adev->ddev); + drm_helper_force_disable_all(adev_to_drm(adev)); else - drm_atomic_helper_shutdown(adev->ddev); + drm_atomic_helper_shutdown(adev_to_drm(adev)); } - amdgpu_fence_driver_fini(adev); - amdgpu_pm_sysfs_fini(adev); + amdgpu_fence_driver_hw_fini(adev); + + if (adev->pm_sysfs_en) + amdgpu_pm_sysfs_fini(adev); + if (adev->ucode_sysfs_en) + amdgpu_ucode_sysfs_fini(adev); + sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes); + amdgpu_fbdev_fini(adev); - r = amdgpu_device_ip_fini(adev); - if (adev->firmware.gpu_info_fw) { - release_firmware(adev->firmware.gpu_info_fw); - adev->firmware.gpu_info_fw = NULL; - } + + amdgpu_device_ip_fini_early(adev); + + amdgpu_irq_fini_hw(adev); + + ttm_device_clear_dma_mappings(&adev->mman.bdev); + + amdgpu_gart_dummy_page_fini(adev); + + amdgpu_device_unmap_mmio(adev); +} + +void amdgpu_device_fini_sw(struct amdgpu_device *adev) +{ + amdgpu_fence_driver_sw_fini(adev); + amdgpu_device_ip_fini(adev); + release_firmware(adev->firmware.gpu_info_fw); + adev->firmware.gpu_info_fw = NULL; adev->accel_working = false; + + amdgpu_reset_fini(adev); + /* free i2c buses */ if (!amdgpu_device_has_dc_support(adev)) amdgpu_i2c_fini(adev); @@ -3139,30 +3869,41 @@ void amdgpu_device_fini(struct amdgpu_device *adev) kfree(adev->bios); adev->bios = NULL; - if (!pci_is_thunderbolt_attached(adev->pdev)) + if (amdgpu_device_supports_px(adev_to_drm(adev))) { vga_switcheroo_unregister_client(adev->pdev); - if (adev->flags & AMD_IS_PX) vga_switcheroo_fini_domain_pm_ops(adev->dev); - vga_client_register(adev->pdev, NULL, NULL, NULL); - if (adev->rio_mem) - pci_iounmap(adev->pdev, adev->rio_mem); - adev->rio_mem = NULL; - iounmap(adev->rmmio); - adev->rmmio = NULL; - amdgpu_device_doorbell_fini(adev); - if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev)) - amdgpu_pm_virt_sysfs_fini(adev); + } + if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) + vga_client_unregister(adev->pdev); - amdgpu_debugfs_regs_cleanup(adev); - device_remove_file(adev->dev, &dev_attr_pcie_replay_count); - amdgpu_ucode_sysfs_fini(adev); if (IS_ENABLED(CONFIG_PERF_EVENTS)) amdgpu_pmu_fini(adev); - amdgpu_debugfs_preempt_cleanup(adev); - if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) + if (adev->mman.discovery_bin) amdgpu_discovery_fini(adev); + + kfree(adev->pci_state); + } +/** + * amdgpu_device_evict_resources - evict device resources + * @adev: amdgpu device object + * + * Evicts all ttm device resources(vram BOs, gart table) from the lru list + * of the vram memory type. Mainly used for evicting device resources + * at suspend time. + * + */ +static void amdgpu_device_evict_resources(struct amdgpu_device *adev) +{ + /* No need to evict vram on APUs for suspend to ram */ + if (adev->in_s3 && (adev->flags & AMD_IS_APU)) + return; + + if (amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM)) + DRM_WARN("evicting device resources failed\n"); + +} /* * Suspend & resume. @@ -3171,31 +3912,24 @@ void amdgpu_device_fini(struct amdgpu_device *adev) * amdgpu_device_suspend - initiate device suspend * * @dev: drm dev pointer - * @suspend: suspend state * @fbcon : notify the fbdev of suspend * * Puts the hw in the suspend state (all asics). * Returns 0 for success or an error on failure. * Called at driver suspend. */ -int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) +int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) { - struct amdgpu_device *adev; - struct drm_crtc *crtc; - struct drm_connector *connector; - struct drm_connector_list_iter iter; - int r; - - if (dev == NULL || dev->dev_private == NULL) { - return -ENODEV; - } - - adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; adev->in_suspend = true; + + if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3)) + DRM_WARN("smart shift update failed\n"); + drm_kms_helper_poll_disable(dev); if (fbcon) @@ -3203,70 +3937,23 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) cancel_delayed_work_sync(&adev->delayed_init_work); - if (!amdgpu_device_has_dc_support(adev)) { - /* turn off display hw */ - drm_modeset_lock_all(dev); - drm_connector_list_iter_begin(dev, &iter); - drm_for_each_connector_iter(connector, &iter) - drm_helper_connector_dpms(connector, - DRM_MODE_DPMS_OFF); - drm_connector_list_iter_end(&iter); - drm_modeset_unlock_all(dev); - /* unpin the front buffers and cursors */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); - struct drm_framebuffer *fb = crtc->primary->fb; - struct amdgpu_bo *robj; - - if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { - struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); - r = amdgpu_bo_reserve(aobj, true); - if (r == 0) { - amdgpu_bo_unpin(aobj); - amdgpu_bo_unreserve(aobj); - } - } - - if (fb == NULL || fb->obj[0] == NULL) { - continue; - } - robj = gem_to_amdgpu_bo(fb->obj[0]); - /* don't unpin kernel fb objects */ - if (!amdgpu_fbdev_robj_is_fb(adev, robj)) { - r = amdgpu_bo_reserve(robj, true); - if (r == 0) { - amdgpu_bo_unpin(robj); - amdgpu_bo_unreserve(robj); - } - } - } - } - - amdgpu_amdkfd_suspend(adev); - amdgpu_ras_suspend(adev); - r = amdgpu_device_ip_suspend_phase1(adev); + amdgpu_device_ip_suspend_phase1(adev); - /* evict vram memory */ - amdgpu_bo_evict_vram(adev); + if (!adev->in_s0ix) + amdgpu_amdkfd_suspend(adev, adev->in_runpm); - amdgpu_fence_driver_suspend(adev); + /* First evict vram memory */ + amdgpu_device_evict_resources(adev); - r = amdgpu_device_ip_suspend_phase2(adev); + amdgpu_fence_driver_hw_fini(adev); - /* evict remaining vram memory - * This second call to evict vram is to evict the gart page table - * using the CPU. + amdgpu_device_ip_suspend_phase2(adev); + /* This second call to evict device resources is to evict + * the gart page table using the CPU. */ - amdgpu_bo_evict_vram(adev); - - if (suspend) { - pci_save_state(dev->pdev); - /* Shut down the device */ - pci_disable_device(dev->pdev); - pci_set_power_state(dev->pdev, PCI_D3hot); - } + amdgpu_device_evict_resources(adev); return 0; } @@ -3275,46 +3962,36 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) * amdgpu_device_resume - initiate device resume * * @dev: drm dev pointer - * @resume: resume state * @fbcon : notify the fbdev of resume * * Bring the hw back to operating state (all asics). * Returns 0 for success or an error on failure. * Called at driver resume. */ -int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) +int amdgpu_device_resume(struct drm_device *dev, bool fbcon) { - struct drm_connector *connector; - struct drm_connector_list_iter iter; - struct amdgpu_device *adev = dev->dev_private; - struct drm_crtc *crtc; + struct amdgpu_device *adev = drm_to_adev(dev); int r = 0; if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; - if (resume) { - pci_set_power_state(dev->pdev, PCI_D0); - pci_restore_state(dev->pdev); - r = pci_enable_device(dev->pdev); - if (r) - return r; - } + if (adev->in_s0ix) + amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry); /* post card */ if (amdgpu_device_need_post(adev)) { - r = amdgpu_atom_asic_init(adev->mode_info.atom_context); + r = amdgpu_device_asic_init(adev); if (r) - DRM_ERROR("amdgpu asic init failed\n"); + dev_err(adev->dev, "amdgpu asic init failed\n"); } r = amdgpu_device_ip_resume(adev); if (r) { - DRM_ERROR("amdgpu_device_ip_resume failed (%d).\n", r); + dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r); return r; } - amdgpu_fence_driver_resume(adev); - + amdgpu_fence_driver_hw_init(adev); r = amdgpu_device_ip_late_init(adev); if (r) @@ -3323,50 +4000,17 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) queue_delayed_work(system_wq, &adev->delayed_init_work, msecs_to_jiffies(AMDGPU_RESUME_MS)); - if (!amdgpu_device_has_dc_support(adev)) { - /* pin cursors */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); - - if (amdgpu_crtc->cursor_bo && !adev->enable_virtual_display) { - struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo); - r = amdgpu_bo_reserve(aobj, true); - if (r == 0) { - r = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM); - if (r != 0) - DRM_ERROR("Failed to pin cursor BO (%d)\n", r); - amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj); - amdgpu_bo_unreserve(aobj); - } - } - } + if (!adev->in_s0ix) { + r = amdgpu_amdkfd_resume(adev, adev->in_runpm); + if (r) + return r; } - r = amdgpu_amdkfd_resume(adev); - if (r) - return r; /* Make sure IB tests flushed */ flush_delayed_work(&adev->delayed_init_work); - /* blat the mode back in */ - if (fbcon) { - if (!amdgpu_device_has_dc_support(adev)) { - /* pre DCE11 */ - drm_helper_resume_force_mode(dev); - - /* turn on display hw */ - drm_modeset_lock_all(dev); - - drm_connector_list_iter_begin(dev, &iter); - drm_for_each_connector_iter(connector, &iter) - drm_helper_connector_dpms(connector, - DRM_MODE_DPMS_ON); - drm_connector_list_iter_end(&iter); - - drm_modeset_unlock_all(dev); - } + if (fbcon) amdgpu_fbdev_set_suspend(adev, 0); - } drm_kms_helper_poll_enable(dev); @@ -3393,6 +4037,9 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) #endif adev->in_suspend = false; + if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0)) + DRM_WARN("smart shift update failed\n"); + return 0; } @@ -3424,7 +4071,7 @@ static bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev) adev->ip_blocks[i].status.hang = adev->ip_blocks[i].version->funcs->check_soft_reset(adev); if (adev->ip_blocks[i].status.hang) { - DRM_INFO("IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); + dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name); asic_hang = true; } } @@ -3485,7 +4132,7 @@ static bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev) (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) { if (adev->ip_blocks[i].status.hang) { - DRM_INFO("Some block need full reset!\n"); + dev_info(adev->dev, "Some block need full reset!\n"); return true; } } @@ -3566,6 +4213,7 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) { struct dma_fence *fence = NULL, *next = NULL; struct amdgpu_bo *shadow; + struct amdgpu_bo_vm *vmbo; long r = 1, tmo; if (amdgpu_sriov_runtime(adev)) @@ -3573,14 +4221,14 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) else tmo = msecs_to_jiffies(100); - DRM_INFO("recover vram bo from shadow start\n"); + dev_info(adev->dev, "recover vram bo from shadow start\n"); mutex_lock(&adev->shadow_list_lock); - list_for_each_entry(shadow, &adev->shadow_list, shadow_list) { - + list_for_each_entry(vmbo, &adev->shadow_list, shadow_list) { + shadow = &vmbo->bo; /* No need to recover an evicted BO */ - if (shadow->tbo.mem.mem_type != TTM_PL_TT || - shadow->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET || - shadow->parent->tbo.mem.mem_type != TTM_PL_VRAM) + if (shadow->tbo.resource->mem_type != TTM_PL_TT || + shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET || + shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM) continue; r = amdgpu_bo_restore_shadow(shadow, &next); @@ -3609,11 +4257,11 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) dma_fence_put(fence); if (r < 0 || tmo <= 0) { - DRM_ERROR("recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); + dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo); return -EIO; } - DRM_INFO("recover vram bo from shadow done\n"); + dev_info(adev->dev, "recover vram bo from shadow done\n"); return 0; } @@ -3621,7 +4269,7 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev) /** * amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @from_hypervisor: request from hypervisor * * do VF FLR and reinitialize Asic @@ -3646,8 +4294,9 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, if (r) goto error; + amdgpu_virt_init_data_exchange(adev); /* we need recover gart prior to run SMC/CP/SDMA resume */ - amdgpu_gtt_mgr_recover(&adev->mman.bdev.man[TTM_PL_TT]); + amdgpu_gtt_mgr_recover(ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)); r = amdgpu_device_fw_loading(adev); if (r) @@ -3663,20 +4312,47 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, amdgpu_amdkfd_post_reset(adev); error: - amdgpu_virt_init_data_exchange(adev); - amdgpu_virt_release_full_gpu(adev, true); if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { amdgpu_inc_vram_lost(adev); r = amdgpu_device_recover_vram(adev); } + amdgpu_virt_release_full_gpu(adev, true); return r; } /** + * amdgpu_device_has_job_running - check if there is any job in mirror list + * + * @adev: amdgpu_device pointer + * + * check if there is any job in mirror list + */ +bool amdgpu_device_has_job_running(struct amdgpu_device *adev) +{ + int i; + struct drm_sched_job *job; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + + spin_lock(&ring->sched.job_list_lock); + job = list_first_entry_or_null(&ring->sched.pending_list, + struct drm_sched_job, list); + spin_unlock(&ring->sched.job_list_lock); + if (job) + return true; + } + return false; +} + +/** * amdgpu_device_should_recover_gpu - check if we should try GPU recovery * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * * Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover * a hung GPU. @@ -3684,7 +4360,7 @@ error: bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) { if (!amdgpu_device_ip_check_soft_reset(adev)) { - DRM_INFO("Timeout, but no hardware hang detected.\n"); + dev_info(adev->dev, "Timeout, but no hardware hang detected.\n"); return false; } @@ -3709,6 +4385,17 @@ bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) case CHIP_VEGA10: case CHIP_VEGA12: case CHIP_RAVEN: + case CHIP_ARCTURUS: + case CHIP_RENOIR: + case CHIP_NAVI10: + case CHIP_NAVI14: + case CHIP_NAVI12: + case CHIP_SIENNA_CICHLID: + case CHIP_NAVY_FLOUNDER: + case CHIP_DIMGREY_CAVEFISH: + case CHIP_BEIGE_GOBY: + case CHIP_VANGOGH: + case CHIP_ALDEBARAN: break; default: goto disabled; @@ -3718,17 +4405,65 @@ bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev) return true; disabled: - DRM_INFO("GPU recovery disabled.\n"); + dev_info(adev->dev, "GPU recovery disabled.\n"); return false; } +int amdgpu_device_mode1_reset(struct amdgpu_device *adev) +{ + u32 i; + int ret = 0; + + amdgpu_atombios_scratch_regs_engine_hung(adev, true); + + dev_info(adev->dev, "GPU mode1 reset\n"); + + /* disable BM */ + pci_clear_master(adev->pdev); + + amdgpu_device_cache_pci_state(adev->pdev); + + if (amdgpu_dpm_is_mode1_reset_supported(adev)) { + dev_info(adev->dev, "GPU smu mode1 reset\n"); + ret = amdgpu_dpm_mode1_reset(adev); + } else { + dev_info(adev->dev, "GPU psp mode1 reset\n"); + ret = psp_gpu_reset(adev); + } + + if (ret) + dev_err(adev->dev, "GPU mode1 reset failed\n"); -static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, - struct amdgpu_job *job, - bool *need_full_reset_arg) + amdgpu_device_load_pci_state(adev->pdev); + + /* wait for asic to come out of reset */ + for (i = 0; i < adev->usec_timeout; i++) { + u32 memsize = adev->nbio.funcs->get_memsize(adev); + + if (memsize != 0xffffffff) + break; + udelay(1); + } + + amdgpu_atombios_scratch_regs_engine_hung(adev, false); + return ret; +} + +int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, + struct amdgpu_reset_context *reset_context) { - int i, r = 0; - bool need_full_reset = *need_full_reset_arg; + int i, j, r = 0; + struct amdgpu_job *job = NULL; + bool need_full_reset = + test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + + if (reset_context->reset_req_dev == adev) + job = reset_context->job; + + if (amdgpu_sriov_vf(adev)) { + /* stop the data exchange thread */ + amdgpu_virt_fini_data_exchange(adev); + } /* block all schedulers and reset given job's ring */ for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { @@ -3737,13 +4472,31 @@ static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, if (!ring || !ring->sched.thread) continue; + /*clear job fence from fence drv to avoid force_completion + *leave NULL and vm flush fence in fence drv */ + for (j = 0; j <= ring->fence_drv.num_fences_mask; j++) { + struct dma_fence *old, **ptr; + + ptr = &ring->fence_drv.fences[j]; + old = rcu_dereference_protected(*ptr, 1); + if (old && test_bit(AMDGPU_FENCE_FLAG_EMBED_IN_JOB_BIT, &old->flags)) { + RCU_INIT_POINTER(*ptr, NULL); + } + } /* after all hw jobs are reset, hw fence is meaningless, so force_completion */ amdgpu_fence_driver_force_completion(ring); } - if(job) + if (job && job->vm) drm_sched_increase_karma(&job->base); + r = amdgpu_reset_prepare_hwcontext(adev, reset_context); + /* If reset handler not implemented, continue; otherwise return */ + if (r == -ENOSYS) + r = 0; + else + return r; + /* Don't suspend on bare metal if we are not going to HW reset the ASIC */ if (!amdgpu_sriov_vf(adev)) { @@ -3755,52 +4508,69 @@ static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, r = amdgpu_device_ip_soft_reset(adev); amdgpu_device_ip_post_soft_reset(adev); if (r || amdgpu_device_ip_check_soft_reset(adev)) { - DRM_INFO("soft reset failed, will fallback to full reset!\n"); + dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n"); need_full_reset = true; } } if (need_full_reset) r = amdgpu_device_ip_suspend(adev); - - *need_full_reset_arg = need_full_reset; + if (need_full_reset) + set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + else + clear_bit(AMDGPU_NEED_FULL_RESET, + &reset_context->flags); } return r; } -static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, - struct list_head *device_list_handle, - bool *need_full_reset_arg) +int amdgpu_do_asic_reset(struct list_head *device_list_handle, + struct amdgpu_reset_context *reset_context) { struct amdgpu_device *tmp_adev = NULL; - bool need_full_reset = *need_full_reset_arg, vram_lost = false; + bool need_full_reset, skip_hw_reset, vram_lost = false; int r = 0; + /* Try reset handler method first */ + tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device, + reset_list); + r = amdgpu_reset_perform_reset(tmp_adev, reset_context); + /* If reset handler not implemented, continue; otherwise return */ + if (r == -ENOSYS) + r = 0; + else + return r; + + /* Reset handler not implemented, use the default method */ + need_full_reset = + test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags); + /* - * ASIC reset has to be done on all HGMI hive nodes ASAP + * ASIC reset has to be done on all XGMI hive nodes ASAP * to allow proper links negotiation in FW (within 1 sec) */ - if (need_full_reset) { - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { + if (!skip_hw_reset && need_full_reset) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { /* For XGMI run all resets in parallel to speed up the process */ if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { - if (!queue_work(system_highpri_wq, &tmp_adev->xgmi_reset_work)) + tmp_adev->gmc.xgmi.pending_reset = false; + if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work)) r = -EALREADY; } else r = amdgpu_asic_reset(tmp_adev); if (r) { - DRM_ERROR("ASIC reset failed with error, %d for drm dev, %s", - r, tmp_adev->ddev->unique); + dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s", + r, adev_to_drm(tmp_adev)->unique); break; } } - /* For XGMI wait for all PSP resets to complete before proceed */ + /* For XGMI wait for all resets to complete before proceed */ if (!r) { - list_for_each_entry(tmp_adev, device_list_handle, - gmc.xgmi.head) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) { flush_work(&tmp_adev->xgmi_reset_work); r = tmp_adev->asic_reset_res; @@ -3811,15 +4581,28 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, } } + if (!r && amdgpu_ras_intr_triggered()) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + if (tmp_adev->mmhub.ras_funcs && + tmp_adev->mmhub.ras_funcs->reset_ras_error_count) + tmp_adev->mmhub.ras_funcs->reset_ras_error_count(tmp_adev); + } + + amdgpu_ras_intr_cleared(); + } - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { if (need_full_reset) { /* post card */ - if (amdgpu_atom_asic_init(tmp_adev->mode_info.atom_context)) - DRM_WARN("asic atom init failed!"); - - if (!r) { + r = amdgpu_device_asic_init(tmp_adev); + if (r) { + dev_warn(tmp_adev->dev, "asic atom init failed!"); + } else { dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); + r = amdgpu_amdkfd_resume_iommu(tmp_adev); + if (r) + goto out; + r = amdgpu_device_ip_resume_phase1(tmp_adev); if (r) goto out; @@ -3830,8 +4613,7 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, amdgpu_inc_vram_lost(tmp_adev); } - r = amdgpu_gtt_mgr_recover( - &tmp_adev->mman.bdev.man[TTM_PL_TT]); + r = amdgpu_gtt_mgr_recover(ttm_manager_type(&tmp_adev->mman.bdev, TTM_PL_TT)); if (r) goto out; @@ -3852,27 +4634,48 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, */ amdgpu_register_gpu_instance(tmp_adev); + if (!reset_context->hive && + tmp_adev->gmc.xgmi.num_physical_nodes > 1) + amdgpu_xgmi_add_device(tmp_adev); + r = amdgpu_device_ip_late_init(tmp_adev); if (r) goto out; - /* must succeed. */ - amdgpu_ras_resume(tmp_adev); + amdgpu_fbdev_set_suspend(tmp_adev, 0); + + /* + * The GPU enters bad state once faulty pages + * by ECC has reached the threshold, and ras + * recovery is scheduled next. So add one check + * here to break recovery if it indeed exceeds + * bad page threshold, and remind user to + * retire this GPU or setting one bigger + * bad_page_threshold value to fix this once + * probing driver again. + */ + if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) { + /* must succeed. */ + amdgpu_ras_resume(tmp_adev); + } else { + r = -EINVAL; + goto out; + } /* Update PSP FW topology after reset */ - if (hive && tmp_adev->gmc.xgmi.num_physical_nodes > 1) - r = amdgpu_xgmi_update_topology(hive, tmp_adev); + if (reset_context->hive && + tmp_adev->gmc.xgmi.num_physical_nodes > 1) + r = amdgpu_xgmi_update_topology( + reset_context->hive, tmp_adev); } } - out: if (!r) { amdgpu_irq_gpu_reset_resume_helper(tmp_adev); r = amdgpu_ib_ring_tests(tmp_adev); if (r) { dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r); - r = amdgpu_device_ip_suspend(tmp_adev); need_full_reset = true; r = -EAGAIN; goto end; @@ -3886,20 +4689,25 @@ out: } end: - *need_full_reset_arg = need_full_reset; + if (need_full_reset) + set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); + else + clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags); return r; } -static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, bool trylock) +static bool amdgpu_device_lock_adev(struct amdgpu_device *adev, + struct amdgpu_hive_info *hive) { - if (trylock) { - if (!mutex_trylock(&adev->lock_reset)) - return false; - } else - mutex_lock(&adev->lock_reset); + if (atomic_cmpxchg(&adev->in_gpu_reset, 0, 1) != 0) + return false; + + if (hive) { + down_write_nest_lock(&adev->reset_sem, &hive->hive_lock); + } else { + down_write(&adev->reset_sem); + } - atomic_inc(&adev->gpu_reset_counter); - adev->in_gpu_reset = 1; switch (amdgpu_asic_reset_method(adev)) { case AMD_RESET_METHOD_MODE1: adev->mp1_state = PP_MP1_STATE_SHUTDOWN; @@ -3919,14 +4727,180 @@ static void amdgpu_device_unlock_adev(struct amdgpu_device *adev) { amdgpu_vf_error_trans_all(adev); adev->mp1_state = PP_MP1_STATE_NONE; - adev->in_gpu_reset = 0; - mutex_unlock(&adev->lock_reset); + atomic_set(&adev->in_gpu_reset, 0); + up_write(&adev->reset_sem); +} + +/* + * to lockup a list of amdgpu devices in a hive safely, if not a hive + * with multiple nodes, it will be similar as amdgpu_device_lock_adev. + * + * unlock won't require roll back. + */ +static int amdgpu_device_lock_hive_adev(struct amdgpu_device *adev, struct amdgpu_hive_info *hive) +{ + struct amdgpu_device *tmp_adev = NULL; + + if (adev->gmc.xgmi.num_physical_nodes > 1) { + if (!hive) { + dev_err(adev->dev, "Hive is NULL while device has multiple xgmi nodes"); + return -ENODEV; + } + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { + if (!amdgpu_device_lock_adev(tmp_adev, hive)) + goto roll_back; + } + } else if (!amdgpu_device_lock_adev(adev, hive)) + return -EAGAIN; + + return 0; +roll_back: + if (!list_is_first(&tmp_adev->gmc.xgmi.head, &hive->device_list)) { + /* + * if the lockup iteration break in the middle of a hive, + * it may means there may has a race issue, + * or a hive device locked up independently. + * we may be in trouble and may not, so will try to roll back + * the lock and give out a warnning. + */ + dev_warn(tmp_adev->dev, "Hive lock iteration broke in the middle. Rolling back to unlock"); + list_for_each_entry_continue_reverse(tmp_adev, &hive->device_list, gmc.xgmi.head) { + amdgpu_device_unlock_adev(tmp_adev); + } + } + return -EAGAIN; +} + +static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev) +{ + struct pci_dev *p = NULL; + + p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), + adev->pdev->bus->number, 1); + if (p) { + pm_runtime_enable(&(p->dev)); + pm_runtime_resume(&(p->dev)); + } +} + +static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev) +{ + enum amd_reset_method reset_method; + struct pci_dev *p = NULL; + u64 expires; + + /* + * For now, only BACO and mode1 reset are confirmed + * to suffer the audio issue without proper suspended. + */ + reset_method = amdgpu_asic_reset_method(adev); + if ((reset_method != AMD_RESET_METHOD_BACO) && + (reset_method != AMD_RESET_METHOD_MODE1)) + return -EINVAL; + + p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), + adev->pdev->bus->number, 1); + if (!p) + return -ENODEV; + + expires = pm_runtime_autosuspend_expiration(&(p->dev)); + if (!expires) + /* + * If we cannot get the audio device autosuspend delay, + * a fixed 4S interval will be used. Considering 3S is + * the audio controller default autosuspend delay setting. + * 4S used here is guaranteed to cover that. + */ + expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL; + + while (!pm_runtime_status_suspended(&(p->dev))) { + if (!pm_runtime_suspend(&(p->dev))) + break; + + if (expires < ktime_get_mono_fast_ns()) { + dev_warn(adev->dev, "failed to suspend display audio\n"); + /* TODO: abort the succeeding gpu reset? */ + return -ETIMEDOUT; + } + } + + pm_runtime_disable(&(p->dev)); + + return 0; +} + +static void amdgpu_device_recheck_guilty_jobs( + struct amdgpu_device *adev, struct list_head *device_list_handle, + struct amdgpu_reset_context *reset_context) +{ + int i, r = 0; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + int ret = 0; + struct drm_sched_job *s_job; + + if (!ring || !ring->sched.thread) + continue; + + s_job = list_first_entry_or_null(&ring->sched.pending_list, + struct drm_sched_job, list); + if (s_job == NULL) + continue; + + /* clear job's guilty and depend the folowing step to decide the real one */ + drm_sched_reset_karma(s_job); + drm_sched_resubmit_jobs_ext(&ring->sched, 1); + + ret = dma_fence_wait_timeout(s_job->s_fence->parent, false, ring->sched.timeout); + if (ret == 0) { /* timeout */ + DRM_ERROR("Found the real bad job! ring:%s, job_id:%llx\n", + ring->sched.name, s_job->id); + + /* set guilty */ + drm_sched_increase_karma(s_job); +retry: + /* do hw reset */ + if (amdgpu_sriov_vf(adev)) { + amdgpu_virt_fini_data_exchange(adev); + r = amdgpu_device_reset_sriov(adev, false); + if (r) + adev->asic_reset_res = r; + } else { + clear_bit(AMDGPU_SKIP_HW_RESET, + &reset_context->flags); + r = amdgpu_do_asic_reset(device_list_handle, + reset_context); + if (r && r == -EAGAIN) + goto retry; + } + + /* + * add reset counter so that the following + * resubmitted job could flush vmid + */ + atomic_inc(&adev->gpu_reset_counter); + continue; + } + + /* got the hw fence, signal finished fence */ + atomic_dec(ring->sched.score); + dma_fence_get(&s_job->s_fence->finished); + dma_fence_signal(&s_job->s_fence->finished); + dma_fence_put(&s_job->s_fence->finished); + + /* remove node from list and free the job */ + spin_lock(&ring->sched.job_list_lock); + list_del_init(&s_job->list); + spin_unlock(&ring->sched.job_list_lock); + ring->sched.ops->free_job(s_job); + } } /** * amdgpu_device_gpu_recover - reset the asic and recover scheduler * - * @adev: amdgpu device pointer + * @adev: amdgpu_device pointer * @job: which job trigger hang * * Attempt to reset the GPU if it has hung (all asics). @@ -3938,32 +4912,35 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job *job) { struct list_head device_list, *device_list_handle = NULL; - bool need_full_reset, job_signaled; + bool job_signaled = false; struct amdgpu_hive_info *hive = NULL; struct amdgpu_device *tmp_adev = NULL; int i, r = 0; - bool in_ras_intr = amdgpu_ras_intr_triggered(); + bool need_emergency_restart = false; + bool audio_suspended = false; + int tmp_vram_lost_counter; + struct amdgpu_reset_context reset_context; + + memset(&reset_context, 0, sizeof(reset_context)); + + /* + * Special case: RAS triggered and full reset isn't supported + */ + need_emergency_restart = amdgpu_ras_need_emergency_restart(adev); /* * Flush RAM to disk so that after reboot * the user can read log and see why the system rebooted. */ - if (in_ras_intr && amdgpu_ras_get_context(adev)->reboot) { - + if (need_emergency_restart && amdgpu_ras_get_context(adev)->reboot) { DRM_WARN("Emergency reboot."); ksys_sync_helper(); emergency_restart(); } - need_full_reset = job_signaled = false; - INIT_LIST_HEAD(&device_list); - - dev_info(adev->dev, "GPU %s begin!\n", in_ras_intr ? "jobs stop":"reset"); - - cancel_delayed_work_sync(&adev->delayed_init_work); - - hive = amdgpu_get_xgmi_hive(adev, false); + dev_info(adev->dev, "GPU %s begin!\n", + need_emergency_restart ? "jobs stop":"reset"); /* * Here we trylock to avoid chain of resets executing from @@ -3972,52 +4949,79 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, * We always reset all schedulers for device and all devices for XGMI * hive so that should take care of them too. */ - - if (hive && !mutex_trylock(&hive->reset_lock)) { - DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", - job ? job->base.id : -1, hive->hive_id); - return 0; + hive = amdgpu_get_xgmi_hive(adev); + if (hive) { + if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { + DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", + job ? job->base.id : -1, hive->hive_id); + amdgpu_put_xgmi_hive(hive); + if (job && job->vm) + drm_sched_increase_karma(&job->base); + return 0; + } + mutex_lock(&hive->hive_lock); } - /* Start with adev pre asic reset first for soft reset check.*/ - if (!amdgpu_device_lock_adev(adev, !hive)) { - DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress", - job ? job->base.id : -1); - return 0; - } + reset_context.method = AMD_RESET_METHOD_NONE; + reset_context.reset_req_dev = adev; + reset_context.job = job; + reset_context.hive = hive; + clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); - /* Block kfd: SRIOV would do it separately */ - if (!amdgpu_sriov_vf(adev)) - amdgpu_amdkfd_pre_reset(adev); + /* + * lock the device before we try to operate the linked list + * if didn't get the device lock, don't touch the linked list since + * others may iterating it. + */ + r = amdgpu_device_lock_hive_adev(adev, hive); + if (r) { + dev_info(adev->dev, "Bailing on TDR for s_job:%llx, as another already in progress", + job ? job->base.id : -1); - /* Build list of devices to reset */ - if (adev->gmc.xgmi.num_physical_nodes > 1) { - if (!hive) { - /*unlock kfd: SRIOV would do it separately */ - if (!amdgpu_sriov_vf(adev)) - amdgpu_amdkfd_post_reset(adev); - amdgpu_device_unlock_adev(adev); - return -ENODEV; - } + /* even we skipped this reset, still need to set the job to guilty */ + if (job && job->vm) + drm_sched_increase_karma(&job->base); + goto skip_recovery; + } - /* - * In case we are in XGMI hive mode device reset is done for all the - * nodes in the hive to retrain all XGMI links and hence the reset - * sequence is executed in loop on all nodes. - */ - device_list_handle = &hive->device_list; + /* + * Build list of devices to reset. + * In case we are in XGMI hive mode, resort the device list + * to put adev in the 1st position. + */ + INIT_LIST_HEAD(&device_list); + if (adev->gmc.xgmi.num_physical_nodes > 1) { + list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) + list_add_tail(&tmp_adev->reset_list, &device_list); + if (!list_is_first(&adev->reset_list, &device_list)) + list_rotate_to_front(&adev->reset_list, &device_list); + device_list_handle = &device_list; } else { - list_add_tail(&adev->gmc.xgmi.head, &device_list); + list_add_tail(&adev->reset_list, &device_list); device_list_handle = &device_list; } /* block all schedulers and reset given job's ring */ - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { - if (tmp_adev != adev) { - amdgpu_device_lock_adev(tmp_adev, false); - if (!amdgpu_sriov_vf(tmp_adev)) - amdgpu_amdkfd_pre_reset(tmp_adev); - } + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + /* + * Try to put the audio codec into suspend state + * before gpu reset started. + * + * Due to the power domain of the graphics device + * is shared with AZ power domain. Without this, + * we may change the audio hardware from behind + * the audio driver's back. That will trigger + * some audio codec errors. + */ + if (!amdgpu_device_suspend_display_audio(tmp_adev)) + audio_suspended = true; + + amdgpu_ras_set_error_query_ready(tmp_adev, false); + + cancel_delayed_work_sync(&tmp_adev->delayed_init_work); + + if (!amdgpu_sriov_vf(tmp_adev)) + amdgpu_amdkfd_pre_reset(tmp_adev); /* * Mark these ASICs to be reseted as untracked first @@ -4025,8 +5029,11 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, */ amdgpu_unregister_gpu_instance(tmp_adev); + amdgpu_fbdev_set_suspend(tmp_adev, 1); + /* disable ras on ALL IPs */ - if (!in_ras_intr && amdgpu_device_ip_need_full_reset(tmp_adev)) + if (!need_emergency_restart && + amdgpu_device_ip_need_full_reset(tmp_adev)) amdgpu_ras_suspend(tmp_adev); for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { @@ -4037,13 +5044,13 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, drm_sched_stop(&ring->sched, job ? &job->base : NULL); - if (in_ras_intr) + if (need_emergency_restart) amdgpu_job_stop_all_jobs_on_sched(&ring->sched); } + atomic_inc(&tmp_adev->gpu_reset_counter); } - - if (in_ras_intr) + if (need_emergency_restart) goto skip_sched_resume; /* @@ -4053,41 +5060,24 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, * job->base holds a reference to parent fence */ if (job && job->base.s_fence->parent && - dma_fence_is_signaled(job->base.s_fence->parent)) + dma_fence_is_signaled(job->base.s_fence->parent)) { job_signaled = true; - - if (job_signaled) { dev_info(adev->dev, "Guilty job already signaled, skipping HW reset"); goto skip_hw_reset; } - - /* Guilty job will be freed after this*/ - r = amdgpu_device_pre_asic_reset(adev, job, &need_full_reset); - if (r) { - /*TODO Should we stop ?*/ - DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ", - r, adev->ddev->unique); - adev->asic_reset_res = r; - } - retry: /* Rest of adevs pre asic reset from XGMI hive. */ - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { - - if (tmp_adev == adev) - continue; - - r = amdgpu_device_pre_asic_reset(tmp_adev, - NULL, - &need_full_reset); + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + r = amdgpu_device_pre_asic_reset(tmp_adev, &reset_context); /*TODO Should we stop ?*/ if (r) { - DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ", - r, tmp_adev->ddev->unique); + dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ", + r, adev_to_drm(tmp_adev)->unique); tmp_adev->asic_reset_res = r; } } + tmp_vram_lost_counter = atomic_read(&((adev)->vram_lost_counter)); /* Actual ASIC resets if needed.*/ /* TODO Implement XGMI hive reset logic for SRIOV */ if (amdgpu_sriov_vf(adev)) { @@ -4095,7 +5085,7 @@ retry: /* Rest of adevs pre asic reset from XGMI hive. */ if (r) adev->asic_reset_res = r; } else { - r = amdgpu_do_asic_reset(hive, device_list_handle, &need_full_reset); + r = amdgpu_do_asic_reset(device_list_handle, &reset_context); if (r && r == -EAGAIN) goto retry; } @@ -4103,7 +5093,19 @@ retry: /* Rest of adevs pre asic reset from XGMI hive. */ skip_hw_reset: /* Post ASIC reset for all devs .*/ - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + + /* + * Sometimes a later bad compute job can block a good gfx job as gfx + * and compute ring share internal GC HW mutually. We add an additional + * guilty jobs recheck step to find the real guilty job, it synchronously + * submits and pends for the first job being signaled. If it gets timeout, + * we identify it as a real guilty job. + */ + if (amdgpu_gpu_recovery == 2 && + !(tmp_vram_lost_counter < atomic_read(&adev->vram_lost_counter))) + amdgpu_device_recheck_guilty_jobs( + tmp_adev, device_list_handle, &reset_context); for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = tmp_adev->rings[i]; @@ -4119,7 +5121,7 @@ skip_hw_reset: } if (!amdgpu_device_has_dc_support(tmp_adev) && !job_signaled) { - drm_helper_resume_force_mode(tmp_adev->ddev); + drm_helper_resume_force_mode(adev_to_drm(tmp_adev)); } tmp_adev->asic_reset_res = 0; @@ -4130,21 +5132,36 @@ skip_hw_reset: amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r); } else { dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter)); + if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0)) + DRM_WARN("smart shift update failed\n"); } } skip_sched_resume: - list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { - /*unlock kfd: SRIOV would do it separately */ - if (!in_ras_intr && !amdgpu_sriov_vf(tmp_adev)) + list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + /* unlock kfd: SRIOV would do it separately */ + if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)) amdgpu_amdkfd_post_reset(tmp_adev); + + /* kfd_post_reset will do nothing if kfd device is not initialized, + * need to bring up kfd here if it's not be initialized before + */ + if (!adev->kfd.init_complete) + amdgpu_amdkfd_device_init(adev); + + if (audio_suspended) + amdgpu_device_resume_display_audio(tmp_adev); amdgpu_device_unlock_adev(tmp_adev); } - if (hive) - mutex_unlock(&hive->reset_lock); +skip_recovery: + if (hive) { + atomic_set(&hive->in_reset, 0); + mutex_unlock(&hive->hive_lock); + amdgpu_put_xgmi_hive(hive); + } - if (r) + if (r && r != -EAGAIN) dev_info(adev->dev, "GPU reset end with ret = %d\n", r); return r; } @@ -4194,7 +5211,13 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); } else { - if (speed_cap == PCIE_SPEED_16_0GT) + if (speed_cap == PCIE_SPEED_32_0GT) + adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN5); + else if (speed_cap == PCIE_SPEED_16_0GT) adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | @@ -4214,7 +5237,13 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); } else { - if (platform_speed_cap == PCIE_SPEED_16_0GT) + if (platform_speed_cap == PCIE_SPEED_32_0GT) + adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5); + else if (platform_speed_cap == PCIE_SPEED_16_0GT) adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | @@ -4285,3 +5314,313 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) } } +int amdgpu_device_baco_enter(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + + if (!amdgpu_device_supports_baco(adev_to_drm(adev))) + return -ENOTSUPP; + + if (ras && adev->ras_enabled && + adev->nbio.funcs->enable_doorbell_interrupt) + adev->nbio.funcs->enable_doorbell_interrupt(adev, false); + + return amdgpu_dpm_baco_enter(adev); +} + +int amdgpu_device_baco_exit(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); + int ret = 0; + + if (!amdgpu_device_supports_baco(adev_to_drm(adev))) + return -ENOTSUPP; + + ret = amdgpu_dpm_baco_exit(adev); + if (ret) + return ret; + + if (ras && adev->ras_enabled && + adev->nbio.funcs->enable_doorbell_interrupt) + adev->nbio.funcs->enable_doorbell_interrupt(adev, true); + + if (amdgpu_passthrough(adev) && + adev->nbio.funcs->clear_doorbell_interrupt) + adev->nbio.funcs->clear_doorbell_interrupt(adev); + + return 0; +} + +static void amdgpu_cancel_all_tdr(struct amdgpu_device *adev) +{ + int i; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + + cancel_delayed_work_sync(&ring->sched.work_tdr); + } +} + +/** + * amdgpu_pci_error_detected - Called when a PCI error is detected. + * @pdev: PCI device struct + * @state: PCI channel state + * + * Description: Called when a PCI error is detected. + * + * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT. + */ +pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); + int i; + + DRM_INFO("PCI error: detected callback, state(%d)!!\n", state); + + if (adev->gmc.xgmi.num_physical_nodes > 1) { + DRM_WARN("No support for XGMI hive yet..."); + return PCI_ERS_RESULT_DISCONNECT; + } + + adev->pci_channel_state = state; + + switch (state) { + case pci_channel_io_normal: + return PCI_ERS_RESULT_CAN_RECOVER; + /* Fatal error, prepare for slot reset */ + case pci_channel_io_frozen: + /* + * Cancel and wait for all TDRs in progress if failing to + * set adev->in_gpu_reset in amdgpu_device_lock_adev + * + * Locking adev->reset_sem will prevent any external access + * to GPU during PCI error recovery + */ + while (!amdgpu_device_lock_adev(adev, NULL)) + amdgpu_cancel_all_tdr(adev); + + /* + * Block any work scheduling as we do for regular GPU reset + * for the duration of the recovery + */ + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + + drm_sched_stop(&ring->sched, NULL); + } + atomic_inc(&adev->gpu_reset_counter); + return PCI_ERS_RESULT_NEED_RESET; + case pci_channel_io_perm_failure: + /* Permanent error, prepare for device removal */ + return PCI_ERS_RESULT_DISCONNECT; + } + + return PCI_ERS_RESULT_NEED_RESET; +} + +/** + * amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers + * @pdev: pointer to PCI device + */ +pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev) +{ + + DRM_INFO("PCI error: mmio enabled callback!!\n"); + + /* TODO - dump whatever for debugging purposes */ + + /* This called only if amdgpu_pci_error_detected returns + * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still + * works, no need to reset slot. + */ + + return PCI_ERS_RESULT_RECOVERED; +} + +/** + * amdgpu_pci_slot_reset - Called when PCI slot has been reset. + * @pdev: PCI device struct + * + * Description: This routine is called by the pci error recovery + * code after the PCI slot has been reset, just before we + * should resume normal operations. + */ +pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); + int r, i; + struct amdgpu_reset_context reset_context; + u32 memsize; + struct list_head device_list; + + DRM_INFO("PCI error: slot reset callback!!\n"); + + memset(&reset_context, 0, sizeof(reset_context)); + + INIT_LIST_HEAD(&device_list); + list_add_tail(&adev->reset_list, &device_list); + + /* wait for asic to come out of reset */ + msleep(500); + + /* Restore PCI confspace */ + amdgpu_device_load_pci_state(pdev); + + /* confirm ASIC came out of reset */ + for (i = 0; i < adev->usec_timeout; i++) { + memsize = amdgpu_asic_get_config_memsize(adev); + + if (memsize != 0xffffffff) + break; + udelay(1); + } + if (memsize == 0xffffffff) { + r = -ETIME; + goto out; + } + + reset_context.method = AMD_RESET_METHOD_NONE; + reset_context.reset_req_dev = adev; + set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags); + set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags); + + adev->no_hw_access = true; + r = amdgpu_device_pre_asic_reset(adev, &reset_context); + adev->no_hw_access = false; + if (r) + goto out; + + r = amdgpu_do_asic_reset(&device_list, &reset_context); + +out: + if (!r) { + if (amdgpu_device_cache_pci_state(adev->pdev)) + pci_restore_state(adev->pdev); + + DRM_INFO("PCIe error recovery succeeded\n"); + } else { + DRM_ERROR("PCIe error recovery failed, err:%d", r); + amdgpu_device_unlock_adev(adev); + } + + return r ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; +} + +/** + * amdgpu_pci_resume() - resume normal ops after PCI reset + * @pdev: pointer to PCI device + * + * Called when the error recovery driver tells us that its + * OK to resume normal operation. + */ +void amdgpu_pci_resume(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); + int i; + + + DRM_INFO("PCI error: resume callback!!\n"); + + /* Only continue execution for the case of pci_channel_io_frozen */ + if (adev->pci_channel_state != pci_channel_io_frozen) + return; + + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + + + drm_sched_resubmit_jobs(&ring->sched); + drm_sched_start(&ring->sched, true); + } + + amdgpu_device_unlock_adev(adev); +} + +bool amdgpu_device_cache_pci_state(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); + int r; + + r = pci_save_state(pdev); + if (!r) { + kfree(adev->pci_state); + + adev->pci_state = pci_store_saved_state(pdev); + + if (!adev->pci_state) { + DRM_ERROR("Failed to store PCI saved state"); + return false; + } + } else { + DRM_WARN("Failed to save PCI state, err:%d\n", r); + return false; + } + + return true; +} + +bool amdgpu_device_load_pci_state(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(dev); + int r; + + if (!adev->pci_state) + return false; + + r = pci_load_saved_state(pdev, adev->pci_state); + + if (!r) { + pci_restore_state(pdev); + } else { + DRM_WARN("Failed to load PCI state, err:%d\n", r); + return false; + } + + return true; +} + +void amdgpu_device_flush_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) + return; +#endif + if (adev->gmc.xgmi.connected_to_cpu) + return; + + if (ring && ring->funcs->emit_hdp_flush) + amdgpu_ring_emit_hdp_flush(ring); + else + amdgpu_asic_flush_hdp(adev, ring); +} + +void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) + return; +#endif + if (adev->gmc.xgmi.connected_to_cpu) + return; + + amdgpu_asic_invalidate_hdp(adev, ring); +} |