diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index d5543c25f3c7..eff1f73302de 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1957,17 +1957,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) return r; /* - * reserve one TMR (64K) memory at the top of VRAM which holds + * reserve TMR memory at the top of VRAM which holds * IP Discovery data and is protected by PSP. */ - r = amdgpu_bo_create_kernel_at(adev, - adev->gmc.real_vram_size - DISCOVERY_TMR_SIZE, - DISCOVERY_TMR_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &adev->discovery_memory, - NULL); - if (r) - return r; + if (adev->discovery_tmr_size > 0) { + r = amdgpu_bo_create_kernel_at(adev, + adev->gmc.real_vram_size - adev->discovery_tmr_size, + adev->discovery_tmr_size, + AMDGPU_GEM_DOMAIN_VRAM, + &adev->discovery_memory, + NULL); + if (r) + return r; + } DRM_INFO("amdgpu: %uM of VRAM memory ready\n", (unsigned) (adev->gmc.real_vram_size / (1024 * 1024))); |