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path: root/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c224
1 files changed, 168 insertions, 56 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
index b70c7b483c24..14c1c1a297dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c
@@ -31,7 +31,78 @@
#include "soc15_common.h"
-u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev)
+static const char *gfxhub_client_ids[] = {
+ "CB/DB",
+ "Reserved",
+ "GE1",
+ "GE2",
+ "CPF",
+ "CPC",
+ "CPG",
+ "RLC",
+ "TCP",
+ "SQC (inst)",
+ "SQC (data)",
+ "SQG",
+ "Reserved",
+ "SDMA0",
+ "SDMA1",
+ "GCR",
+ "SDMA2",
+ "SDMA3",
+};
+
+static uint32_t gfxhub_v2_0_get_invalidate_req(unsigned int vmid,
+ uint32_t flush_type)
+{
+ u32 req = 0;
+
+ /* invalidate using legacy mode on vmid*/
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
+ PER_VMID_INVALIDATE_REQ, 1 << vmid);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
+ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
+ CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
+
+ return req;
+}
+
+static void
+gfxhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
+ uint32_t status)
+{
+ u32 cid = REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, CID);
+
+ dev_err(adev->dev,
+ "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
+ status);
+ dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
+ cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
+ cid);
+ dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
+ dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
+ dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
+ dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
+ dev_err(adev->dev, "\t RW: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, RW));
+}
+
+static u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev)
{
u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE);
@@ -41,23 +112,23 @@ u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev)
return base;
}
-u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev)
+static u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev)
{
return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24;
}
-void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
+static void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
uint64_t page_table_base)
{
- /* two registers distance between mmGCVM_CONTEXT0_* to mmGCVM_CONTEXT1_* */
- int offset = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
- - mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
- offset * vmid, lower_32_bits(page_table_base));
+ hub->ctx_addr_distance * vmid,
+ lower_32_bits(page_table_base));
WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
- offset * vmid, upper_32_bits(page_table_base));
+ hub->ctx_addr_distance * vmid,
+ upper_32_bits(page_table_base));
}
static void gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
@@ -81,24 +152,25 @@ static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
{
uint64_t value;
- /* Disable AGP. */
- WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
- WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, 0);
- WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, 0x00FFFFFF);
-
- /* Program the system aperture low logical page number. */
- WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
- adev->gmc.vram_start >> 18);
- WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
- adev->gmc.vram_end >> 18);
-
- /* Set default page address. */
- value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start
- + adev->vm_manager.vram_base_offset;
- WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
- (u32)(value >> 12));
- WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
- (u32)(value >> 44));
+ if (!amdgpu_sriov_vf(adev)) {
+ /* Program the AGP BAR */
+ WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
+ WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
+ WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
+
+ /* Program the system aperture low logical page number. */
+ WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
+ min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
+ WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+ max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
+
+ /* Set default page address. */
+ value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
+ WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
+ (u32)(value >> 12));
+ WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
+ (u32)(value >> 44));
+ }
/* Program "protection fault". */
WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
@@ -135,6 +207,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
{
uint32_t tmp;
+ /* These regs are not accessible for VF, PF will program these in SRIOV */
+ if (amdgpu_sriov_vf(adev))
+ return;
+
/* Setup L2 cache */
tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
@@ -170,6 +246,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
+
+ tmp = mmGCVM_L2_CNTL5_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp);
}
static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
@@ -203,6 +283,7 @@ static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
int i;
uint32_t tmp;
@@ -231,43 +312,37 @@ static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
/* Send no-retry XNACK on fault to suppress VM fault storm. */
tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
- !amdgpu_noretry);
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i, tmp);
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2,
- lower_32_bits(adev->vm_manager.max_pfn - 1));
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
- upper_32_bits(adev->vm_manager.max_pfn - 1));
+ !adev->gmc.noretry);
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL,
+ i * hub->ctx_distance, tmp);
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
+ i * hub->ctx_addr_distance,
+ lower_32_bits(adev->vm_manager.max_pfn - 1));
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+ i * hub->ctx_addr_distance,
+ upper_32_bits(adev->vm_manager.max_pfn - 1));
}
}
static void gfxhub_v2_0_program_invalidation(struct amdgpu_device *adev)
{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
unsigned i;
for (i = 0 ; i < 18; ++i) {
WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
- 2 * i, 0xffffffff);
+ i * hub->eng_addr_distance, 0xffffffff);
WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
- 2 * i, 0x1f);
+ i * hub->eng_addr_distance, 0x1f);
}
}
-int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
+static int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
{
- if (amdgpu_sriov_vf(adev)) {
- /*
- * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
- * VF copy registers so vbios post doesn't program them, for
- * SRIOV driver need to program them
- */
- WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE,
- adev->gmc.vram_start >> 24);
- WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP,
- adev->gmc.vram_end >> 24);
- }
-
/* GART Enable. */
gfxhub_v2_0_init_gart_aperture_regs(adev);
gfxhub_v2_0_init_system_aperture_regs(adev);
@@ -282,14 +357,16 @@ int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
return 0;
}
-void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
+static void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
u32 tmp;
u32 i;
/* Disable all tables */
for (i = 0; i < 16; i++)
- WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL, i, 0);
+ WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL,
+ i * hub->ctx_distance, 0);
/* Setup TLB control */
tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
@@ -298,9 +375,11 @@ void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
ENABLE_ADVANCED_DRIVER_MODEL, 0);
WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
- /* Setup L2 cache */
- WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
- WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
+ if (!amdgpu_sriov_vf(adev)) {
+ /* Setup L2 cache */
+ WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
+ WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
+ }
}
/**
@@ -309,7 +388,7 @@ void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
* @adev: amdgpu_device pointer
* @value: true redirects VM faults to the default page
*/
-void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev,
+static void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev,
bool value)
{
u32 tmp;
@@ -346,7 +425,12 @@ void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev,
WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
}
-void gfxhub_v2_0_init(struct amdgpu_device *adev)
+static const struct amdgpu_vmhub_funcs gfxhub_v2_0_vmhub_funcs = {
+ .print_l2_protection_fault_status = gfxhub_v2_0_print_l2_protection_fault_status,
+ .get_invalidate_req = gfxhub_v2_0_get_invalidate_req,
+};
+
+static void gfxhub_v2_0_init(struct amdgpu_device *adev)
{
struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
@@ -368,4 +452,32 @@ void gfxhub_v2_0_init(struct amdgpu_device *adev)
SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS);
hub->vm_l2_pro_fault_cntl =
SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
+
+ hub->ctx_distance = mmGCVM_CONTEXT1_CNTL - mmGCVM_CONTEXT0_CNTL;
+ hub->ctx_addr_distance = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
+ mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+ hub->eng_distance = mmGCVM_INVALIDATE_ENG1_REQ -
+ mmGCVM_INVALIDATE_ENG0_REQ;
+ hub->eng_addr_distance = mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
+ mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
+
+ hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
+
+ hub->vmhub_funcs = &gfxhub_v2_0_vmhub_funcs;
}
+
+const struct amdgpu_gfxhub_funcs gfxhub_v2_0_funcs = {
+ .get_fb_location = gfxhub_v2_0_get_fb_location,
+ .get_mc_fb_offset = gfxhub_v2_0_get_mc_fb_offset,
+ .setup_vm_pt_regs = gfxhub_v2_0_setup_vm_pt_regs,
+ .gart_enable = gfxhub_v2_0_gart_enable,
+ .gart_disable = gfxhub_v2_0_gart_disable,
+ .set_fault_enable_default = gfxhub_v2_0_set_fault_enable_default,
+ .init = gfxhub_v2_0_init,
+};