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Commit 3ad81f16 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add need backup function V2 



V2:
add checking if need backup in amdgpu_bo_create.

Signed-off-by: default avatarChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent abc8c1ce

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+1 −0
Original line number Diff line number Diff line
@@ -2376,6 +2376,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) 


/* Common functions */

int amdgpu_gpu_reset(struct amdgpu_device *adev);

bool amdgpu_need_backup(struct amdgpu_device *adev);

void amdgpu_pci_config_reset(struct amdgpu_device *adev);

bool amdgpu_card_posted(struct amdgpu_device *adev);

void amdgpu_update_display_priority(struct amdgpu_device *adev);

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+8 −0
Original line number Diff line number Diff line
@@ -2049,6 +2049,14 @@ static int amdgpu_post_soft_reset(struct amdgpu_device *adev) 
	return 0;

}



bool amdgpu_need_backup(struct amdgpu_device *adev)

{

	if (adev->flags & AMD_IS_APU)

		return false;



	return amdgpu_lockup_timeout > 0 ? true : false;

}



/**

 * amdgpu_gpu_reset - reset the asic

 *

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+1 −1
Original line number Diff line number Diff line
@@ -436,7 +436,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, 
	if (r)

		return r;



	if (flags & AMDGPU_GEM_CREATE_SHADOW) {

	if (amdgpu_need_backup(adev) && (flags & AMDGPU_GEM_CREATE_SHADOW)) {

		r = amdgpu_bo_create_shadow(adev, size, byte_align, (*bo_ptr));

		if (r)

			amdgpu_bo_unref(bo_ptr);