Commit de70c635 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/atomfirmware: add function to update engine hang status 



Update the scratch reg for when the engine is hung.

Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 634b6a8a

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

+13 −0
Original line number Diff line number Diff line
@@ -88,6 +88,19 @@ void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev) 
		WREG32(adev->bios_scratch_reg_offset + i, adev->bios_scratch[i]);

}



void amdgpu_atomfirmware_scratch_regs_engine_hung(struct amdgpu_device *adev,

						  bool hung)

{

	u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);



	if (hung)

		tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;

	else

		tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;



	WREG32(adev->bios_scratch_reg_offset + 3, tmp);

}



int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)

{

	struct atom_context *ctx = adev->mode_info.atom_context;

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

+2 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ bool amdgpu_atomfirmware_gpu_supports_virtualization(struct amdgpu_device *adev) 
void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev);

void amdgpu_atomfirmware_scratch_regs_save(struct amdgpu_device *adev);

void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev);

void amdgpu_atomfirmware_scratch_regs_engine_hung(struct amdgpu_device *adev,

						  bool hung);

int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev);



#endif

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