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drm/amdgpu: increase fragmentation size for Vega10 v2

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The fragment bits work differently for Vega10 compared to previous generations.

Increase the fragment size to 2MB for now to better handle that.

v2: handle the hardware setup as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-tested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-05-23 18:35:22 +02:00 committed by Alex Deucher
parent 07306b4f5f
commit 6be7adb37d
5 changed files with 15 additions and 7 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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@ -589,8 +589,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
AMDGPU_GPU_PAGE_SIZE;
dev_info.pte_fragment_size =
(1 << AMDGPU_LOG2_PAGES_PER_FRAG(adev)) *
AMDGPU_GPU_PAGE_SIZE;
dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
dev_info.cu_active_number = adev->gfx.cu_info.number;

5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -1381,8 +1381,9 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params *params,
*/
/* SI and newer are optimized for 64KB */
uint64_t frag_flags = AMDGPU_PTE_FRAG(AMDGPU_LOG2_PAGES_PER_FRAG);
uint64_t frag_align = 1 << AMDGPU_LOG2_PAGES_PER_FRAG;
unsigned pages_per_frag = AMDGPU_LOG2_PAGES_PER_FRAG(params->adev);
uint64_t frag_flags = AMDGPU_PTE_FRAG(pages_per_frag);
uint64_t frag_align = 1 << pages_per_frag;
uint64_t frag_start = ALIGN(start, frag_align);
uint64_t frag_end = end & ~(frag_align - 1);

4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
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@ -51,7 +51,9 @@ struct amdgpu_bo_list_entry;
#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
/* LOG2 number of continuous pages for the fragment field */
#define AMDGPU_LOG2_PAGES_PER_FRAG 4
#define AMDGPU_LOG2_PAGES_PER_FRAG(adev) \
((adev)->asic_type < CHIP_VEGA10 ? 4 : \
(adev)->vm_manager.block_size)
#define AMDGPU_PTE_VALID (1ULL << 0)
#define AMDGPU_PTE_SYSTEM (1ULL << 1)

4
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
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@ -129,7 +129,7 @@ static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
/* Setup L2 cache */
tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
/* XXX for emulation, Refer to closed source code.*/
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
0);
@ -144,6 +144,8 @@ static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
WREG32_SOC15(GC, 0, mmVM_L2_CNTL2, tmp);
tmp = mmVM_L2_CNTL3_DEFAULT;
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp);
tmp = mmVM_L2_CNTL4_DEFAULT;

4
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
View File

@ -143,7 +143,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
/* Setup L2 cache */
tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
/* XXX for emulation, Refer to closed source code.*/
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
0);
@ -158,6 +158,8 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
tmp = mmVM_L2_CNTL3_DEFAULT;
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
tmp = mmVM_L2_CNTL4_DEFAULT;