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authorTianci.Yin <tianci.yin@amd.com>2019-12-17 14:34:45 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-12-23 14:59:28 -0500
commit33a9a5ab1edd82d2393b0640bd284e2c02eb2301 (patch)
treed029175fc4a8ed48e574130948b17f36005428fa /drivers
parent8d40002fee9eae7e3cedd286149d323afc4b3442 (diff)
drm/amdgpu: remove memory training p2c buffer reservation(V2)
IP discovery TMR(occupied the top VRAM with size DISCOVERY_TMR_SIZE) has been reserved, and the p2c buffer is in the range of this TMR, so the p2c buffer reservation is unnecessary. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Kevin Wang <kevin1.wang@amd.com> Reviewed-by: Xiaojie Yuan <xiaojie.yuan@amd.com> Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c21
2 files changed, 2 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 5f8fd3e3535b..3265487b859f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -202,7 +202,6 @@ struct psp_memory_training_context {
/*vram offset of the p2c training data*/
u64 p2c_train_data_offset;
- struct amdgpu_bo *p2c_bo;
/*vram offset of the c2p training data*/
u64 c2p_train_data_offset;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 37b027fb0916..b2f8ba9e1f77 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1714,9 +1714,6 @@ static int amdgpu_ttm_training_reserve_vram_fini(struct amdgpu_device *adev)
amdgpu_bo_free_kernel(&ctx->c2p_bo, NULL, NULL);
ctx->c2p_bo = NULL;
- amdgpu_bo_free_kernel(&ctx->p2c_bo, NULL, NULL);
- ctx->p2c_bo = NULL;
-
return 0;
}
@@ -1756,17 +1753,6 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev)
ctx->c2p_train_data_offset);
ret = amdgpu_bo_create_kernel_at(adev,
- ctx->p2c_train_data_offset,
- ctx->train_data_size,
- AMDGPU_GEM_DOMAIN_VRAM,
- &ctx->p2c_bo,
- NULL);
- if (ret) {
- DRM_ERROR("alloc p2c_bo failed(%d)!\n", ret);
- goto Err_out;
- }
-
- ret = amdgpu_bo_create_kernel_at(adev,
ctx->c2p_train_data_offset,
ctx->train_data_size,
AMDGPU_GEM_DOMAIN_VRAM,
@@ -1774,15 +1760,12 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev)
NULL);
if (ret) {
DRM_ERROR("alloc c2p_bo failed(%d)!\n", ret);
- goto Err_out;
+ amdgpu_ttm_training_reserve_vram_fini(adev);
+ return ret;
}
ctx->init = PSP_MEM_TRAIN_RESERVE_SUCCESS;
return 0;
-
-Err_out:
- amdgpu_ttm_training_reserve_vram_fini(adev);
- return ret;
}
/**