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drm/amdgpu: Add memory training reserve-region

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Use reserve region helpers for initializing/reserving memory training
region.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2026-03-25 19:10:16 +05:30 committed by Alex Deucher
parent 4c616e8446
commit bb92be6052
2 changed files with 6 additions and 10 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View File

@ -277,7 +277,6 @@ struct psp_memory_training_context {
/*vram offset of the c2p training data*/
u64 c2p_train_data_offset;
struct amdgpu_bo *c2p_bo;
enum psp_memory_training_init_flag init;
u32 training_cnt;

15
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -1745,8 +1745,7 @@ static int amdgpu_ttm_training_reserve_vram_fini(struct amdgpu_device *adev)
struct psp_memory_training_context *ctx = &adev->psp.mem_train_ctx;
ctx->init = PSP_MEM_TRAIN_NOT_SUPPORT;
amdgpu_bo_free_kernel(&ctx->c2p_bo, NULL, NULL);
ctx->c2p_bo = NULL;
amdgpu_ttm_unmark_vram_reserved(adev, AMDGPU_RESV_MEM_TRAIN);
return 0;
}
@ -1817,14 +1816,12 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev)
if (mem_train_support) {
/* reserve vram for mem train according to TMR location */
amdgpu_ttm_training_data_block_init(adev, reserve_size);
ret = amdgpu_bo_create_kernel_at(adev,
ctx->c2p_train_data_offset,
ctx->train_data_size,
&ctx->c2p_bo,
NULL);
amdgpu_ttm_init_vram_resv(adev, AMDGPU_RESV_MEM_TRAIN,
ctx->c2p_train_data_offset,
ctx->train_data_size, false);
ret = amdgpu_ttm_mark_vram_reserved(adev, AMDGPU_RESV_MEM_TRAIN);
if (ret) {
dev_err(adev->dev, "alloc c2p_bo failed(%d)!\n", ret);
amdgpu_ttm_training_reserve_vram_fini(adev);
dev_err(adev->dev, "memory training region reservation failed(%d)!\n", ret);
return ret;
}
ctx->init = PSP_MEM_TRAIN_RESERVE_SUCCESS;