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OpenCloudOS-Kernel
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drm/amdgpu: free the pre-OS console framebuffer after the first modeset 

Rather than in late_init to avoid race conditions between freeing the
buffers and the initial modeset.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-12-04 11:52:00 -05:00
parent 35d3f41dd6
commit 5f6fab247c
2 changed files with 7 additions and 6 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
View File

@ -2026,10 +2026,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
*/
void amdgpu_ttm_late_init(struct amdgpu_device *adev)
{
/* return the VGA stolen memory (if any) back to VRAM */
if (!adev->mman.keep_stolen_vga_memory)
amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL);
}
/*
@ -2042,8 +2038,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
amdgpu_ttm_training_reserve_vram_fini(adev);
/* return the stolen vga memory back to VRAM */
if (adev->mman.keep_stolen_vga_memory)
amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL);
/* return the IP Discovery TMR memory back to VRAM */
amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL);
amdgpu_ttm_fw_reserve_vram_fini(adev);

5
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -8462,6 +8462,11 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
drm_atomic_helper_cleanup_planes(dev, state);
/* return the stolen vga memory back to VRAM */
if (!adev->mman.keep_stolen_vga_memory)
amdgpu_bo_free_kernel(&adev->mman.stolen_vga_memory, NULL, NULL);
amdgpu_bo_free_kernel(&adev->mman.stolen_extended_memory, NULL, NULL);
/*
* Finally, drop a runtime PM reference for each newly disabled CRTC,
* so we can put the GPU into runtime suspend if we're not driving any