From e77673d14f2cec6d47d2da4e58dce87c2d66e54f Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Fri, 9 Jun 2023 11:11:53 -0400 Subject: drm/amdgpu: Update invalid PTE flag setting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Update the invalid PTE flag setting with TF enabled. This is to ensure, in addition to transitioning the retry fault to a no-retry fault, it also causes the wavefront to enter the trap handler. With the current setting, the fault only transitions to a no-retry fault. Additionally, have 2 sets of invalid PTE settings, one for TF enabled, the other for TF disabled. The setting with TF disabled, doesn't work with TF enabled. Signed-off-by: Mukul Joshi Acked-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 85dead2a5702..581ed922dbe3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1056,6 +1056,7 @@ static int gmc_v8_0_early_init(void *handle) adev->gmc.shared_aperture_end + 1; adev->gmc.private_aperture_end = adev->gmc.private_aperture_start + (4ULL << 30) - 1; + adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF; return 0; } -- cgit v1.2.3-70-g09d2 From b8f68f1da50e1e117dff704fa55602f999539598 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Fri, 30 Jun 2023 21:02:50 +0530 Subject: drm/amdgpu: Remove else after return statement in 'gmc_v8_0_check_soft_reset' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix below checkpatch warnings: WARNING: else is not generally useful after a break or return + return true; + } else { Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 581ed922dbe3..21cb97bb6776 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1319,13 +1319,15 @@ static bool gmc_v8_0_check_soft_reset(void *handle) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); } + if (srbm_soft_reset) { adev->gmc.srbm_soft_reset = srbm_soft_reset; return true; - } else { - adev->gmc.srbm_soft_reset = 0; - return false; } + + adev->gmc.srbm_soft_reset = 0; + + return false; } static int gmc_v8_0_pre_soft_reset(void *handle) -- cgit v1.2.3-70-g09d2 From e8483e682a4bf8dd73ddd55fde3baa4bb5ea94c9 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Fri, 30 Jun 2023 20:57:35 +0530 Subject: drm/amdgpu: Fix warnings in gmc_v8_0.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix below checkpatch warnings: WARNING: braces {} are not necessary for single statement blocks WARNING: braces {} are not necessary for any arm of this statement WARNING: Block comments should align the * on each line Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 75 +++++++++++++++-------------------- 1 file changed, 31 insertions(+), 44 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 21cb97bb6776..061c320bdff1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -64,8 +64,7 @@ MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin"); MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin"); MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin"); -static const u32 golden_settings_tonga_a11[] = -{ +static const u32 golden_settings_tonga_a11[] = { mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028, mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991, @@ -75,34 +74,29 @@ static const u32 golden_settings_tonga_a11[] = mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, }; -static const u32 tonga_mgcg_cgcg_init[] = -{ +static const u32 tonga_mgcg_cgcg_init[] = { mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; -static const u32 golden_settings_fiji_a10[] = -{ +static const u32 golden_settings_fiji_a10[] = { mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, }; -static const u32 fiji_mgcg_cgcg_init[] = -{ +static const u32 fiji_mgcg_cgcg_init[] = { mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; -static const u32 golden_settings_polaris11_a11[] = -{ +static const u32 golden_settings_polaris11_a11[] = { mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff }; -static const u32 golden_settings_polaris10_a11[] = -{ +static const u32 golden_settings_polaris10_a11[] = { mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, @@ -110,19 +104,16 @@ static const u32 golden_settings_polaris10_a11[] = mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff }; -static const u32 cz_mgcg_cgcg_init[] = -{ +static const u32 cz_mgcg_cgcg_init[] = { mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; -static const u32 stoney_mgcg_cgcg_init[] = -{ +static const u32 stoney_mgcg_cgcg_init[] = { mmATC_MISC_CG, 0xffffffff, 0x000c0200, mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; -static const u32 golden_settings_stoney_common[] = -{ +static const u32 golden_settings_stoney_common[] = { mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004, mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000 }; @@ -448,9 +439,9 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev) } WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); - if (gmc_v8_0_wait_for_idle((void *)adev)) { + if (gmc_v8_0_wait_for_idle((void *)adev)) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); - } + if (adev->mode_info.num_crtc) { /* Lockout access through VGA aperture*/ tmp = RREG32(mmVGA_HDP_CONTROL); @@ -483,9 +474,8 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev) WREG32(mmMC_VM_AGP_BASE, 0); WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); - if (gmc_v8_0_wait_for_idle((void *)adev)) { + if (gmc_v8_0_wait_for_idle((void *)adev)) dev_warn(adev->dev, "Wait for MC idle timedout !\n"); - } WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); @@ -517,11 +507,11 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) /* Get VRAM informations */ tmp = RREG32(mmMC_ARB_RAMCFG); - if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) { + if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) chansize = 64; - } else { + else chansize = 32; - } + tmp = RREG32(mmMC_SHARED_CHMAP); switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { case 0: @@ -671,7 +661,7 @@ static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, } static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, - unsigned vmid, uint64_t pd_addr) + unsigned int vmid, uint64_t pd_addr) { uint32_t reg; @@ -687,8 +677,8 @@ static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, return pd_addr; } -static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, - unsigned pasid) +static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid, + unsigned int pasid) { amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid); } @@ -759,11 +749,11 @@ static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev, } /** - * gmc_v8_0_set_prt - set PRT VM fault + * gmc_v8_0_set_prt() - set PRT VM fault * * @adev: amdgpu_device pointer * @enable: enable/disable VM fault handling for PRT -*/ + */ static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable) { u32 tmp; @@ -940,7 +930,7 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", - (unsigned)(adev->gmc.gart_size >> 20), + (unsigned int)(adev->gmc.gart_size >> 20), (unsigned long long)table_addr); return 0; } @@ -1001,7 +991,7 @@ static void gmc_v8_0_gart_disable(struct amdgpu_device *adev) * Print human readable fault information (VI). */ static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, - u32 addr, u32 mc_client, unsigned pasid) + u32 addr, u32 mc_client, unsigned int pasid) { u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, @@ -1071,15 +1061,16 @@ static int gmc_v8_0_late_init(void *handle) return 0; } -static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) +static unsigned int gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev) { u32 d1vga_control = RREG32(mmD1VGA_CONTROL); - unsigned size; + unsigned int size; if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { size = AMDGPU_VBIOS_VGA_ALLOCATION; } else { u32 viewport = RREG32(mmVIEWPORT_SIZE); + size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) * REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) * 4); @@ -1283,7 +1274,7 @@ static bool gmc_v8_0_is_idle(void *handle) static int gmc_v8_0_wait_for_idle(void *handle) { - unsigned i; + unsigned int i; u32 tmp; struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1338,9 +1329,8 @@ static int gmc_v8_0_pre_soft_reset(void *handle) return 0; gmc_v8_0_mc_stop(adev); - if (gmc_v8_0_wait_for_idle(adev)) { + if (gmc_v8_0_wait_for_idle(adev)) dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); - } return 0; } @@ -1389,7 +1379,7 @@ static int gmc_v8_0_post_soft_reset(void *handle) static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, - unsigned type, + unsigned int type, enum amdgpu_interrupt_state state) { u32 tmp; @@ -1750,8 +1740,7 @@ static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev) adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs; } -const struct amdgpu_ip_block_version gmc_v8_0_ip_block = -{ +const struct amdgpu_ip_block_version gmc_v8_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 8, .minor = 0, @@ -1759,8 +1748,7 @@ const struct amdgpu_ip_block_version gmc_v8_0_ip_block = .funcs = &gmc_v8_0_ip_funcs, }; -const struct amdgpu_ip_block_version gmc_v8_1_ip_block = -{ +const struct amdgpu_ip_block_version gmc_v8_1_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 8, .minor = 1, @@ -1768,8 +1756,7 @@ const struct amdgpu_ip_block_version gmc_v8_1_ip_block = .funcs = &gmc_v8_0_ip_funcs, }; -const struct amdgpu_ip_block_version gmc_v8_5_ip_block = -{ +const struct amdgpu_ip_block_version gmc_v8_5_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 8, .minor = 5, -- cgit v1.2.3-70-g09d2 From 2f77b5931f68b1d1c290fff9d785fe15f1fa2a47 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Fri, 30 Jun 2023 20:57:35 +0530 Subject: drm/amdgpu: Fix error & warnings in gmc_v8_0.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix below checkpatch error & warnings: ERROR: trailing statements should be on next line + default: BUG(); WARNING: braces {} are not necessary for single statement blocks WARNING: braces {} are not necessary for any arm of this statement WARNING: Block comments should align the * on each line Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 061c320bdff1..23bfadca0fc8 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -251,7 +251,8 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) case CHIP_STONEY: case CHIP_VEGAM: return 0; - default: BUG(); + default: + BUG(); } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); -- cgit v1.2.3-70-g09d2 From a62e702ee1a1ae08693aeaa4ae1fc1448cbd5a19 Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Thu, 13 Jul 2023 18:43:49 +0530 Subject: drm/amdgpu: Avoid possiblity of kernel crash in 'gmc_v8_0, gmc_v7_0_init_microcode()' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If the function 'gmc_v8_0_ or gmc_v7_0_init_microcode()' fails, the driver will just fail to load, hence return -EINVAL rather having BUG(), fixes WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants Fixes: 2f77b5931f68 ("drm/amdgpu: Fix error & warnings in gmc_v8_0.c") Fixes: 0cfc1d683046 ("drm/amdgpu: Fix errors & warnings in gmc_ v6_0, v7_0.c") Suggested-by: Alex Deucher Cc: Christian König Cc: Alex Deucher Signed-off-by: Srinivasan Shanmugam Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 2 +- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 0629b6808cb1..6a6929ac2748 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -150,7 +150,7 @@ static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) case CHIP_MULLINS: return 0; default: - BUG(); + return -EINVAL; } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 23bfadca0fc8..5af235202513 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -252,7 +252,7 @@ static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) case CHIP_VEGAM: return 0; default: - BUG(); + return -EINVAL; } snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); -- cgit v1.2.3-70-g09d2