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)));