diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-10-10 17:23:33 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-13 14:14:36 -0400 |
| commit | 071bba962456a46b261fcefe26bd533cbc059ea2 (patch) | |
| tree | ddb0f9f8ef6a017f3076441363297756d24a0a7e /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | 80e462c5b1963059dd78ee4650a3dfd53de4a10f (diff) | |
drm/amdgpu: Reserve discovery TMR only if needed
For legacy SOCs, discovery binary is sideloaded. Instead of checking for
binary blob, use a flag to determine if discovery region needs to be
reserved.
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index a10b2982ca7a..0bd02234eca0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1769,18 +1769,14 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) ctx->init = PSP_MEM_TRAIN_RESERVE_SUCCESS; } - if (!adev->gmc.is_app_apu) { - ret = amdgpu_bo_create_kernel_at( - adev, adev->gmc.real_vram_size - reserve_size, - reserve_size, &adev->mman.fw_reserved_memory, NULL); - if (ret) { - dev_err(adev->dev, "alloc tmr failed(%d)!\n", ret); - amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory, - NULL, NULL); - return ret; - } - } else { - DRM_DEBUG_DRIVER("backdoor fw loading path for PSP TMR, no reservation needed\n"); + ret = amdgpu_bo_create_kernel_at( + adev, adev->gmc.real_vram_size - reserve_size, reserve_size, + &adev->mman.fw_reserved_memory, NULL); + if (ret) { + dev_err(adev->dev, "alloc tmr failed(%d)!\n", ret); + amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory, NULL, + NULL); + return ret; } return 0; @@ -1957,7 +1953,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) * If IP discovery enabled, a block of memory should be * reserved for IP discovey. */ - if (adev->discovery.bin) { + if (adev->discovery.reserve_tmr) { r = amdgpu_ttm_reserve_tmr(adev); if (r) return r; |