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Commit fd485540 authored by Oak Zeng's avatar Oak Zeng Committed by Alex Deucher
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drm/amdgpu: Add per device sdma_doorbell_range field 



Different ASIC has different sdma doorbell range. Add
a per device sdma_doorbell_range field and initialize
it.

Signed-off-by: default avatarOak Zeng <Oak.Zeng@amd.com>
Reviewed-by: default avatarPhilip Yang <Philip.Yang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1f46df61

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

+2 −0
Original line number Diff line number Diff line
@@ -72,6 +72,8 @@ struct amdgpu_doorbell_index { 
		} uvd_vce;

	};

	uint32_t max_assignment;

	/* Per engine SDMA doorbell size in dword */

	uint32_t sdma_doorbell_range;

};



typedef enum _AMDGPU_DOORBELL_ASSIGNMENT

drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c

+1 −0
Original line number Diff line number Diff line
@@ -83,5 +83,6 @@ void vega10_doorbell_index_init(struct amdgpu_device *adev) 
	adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_DOORBELL64_VCE_RING6_7;

	/* In unit of dword doorbell */

	adev->doorbell_index.max_assignment = AMDGPU_DOORBELL64_MAX_ASSIGNMENT << 1;

	adev->doorbell_index.sdma_doorbell_range = 4;

}

drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c

+1 −0
Original line number Diff line number Diff line
@@ -86,5 +86,6 @@ void vega20_doorbell_index_init(struct amdgpu_device *adev) 
	adev->doorbell_index.uvd_vce.vce_ring4_5 = AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5;

	adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7;

	adev->doorbell_index.max_assignment = AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT << 1;

	adev->doorbell_index.sdma_doorbell_range = 20;

}