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Commit d72f7c06 authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
Browse files

drm/amdgpu: init more register for sdma 



This help fix reloading driver hang issue of SDMA
ring

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9a005bef

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

+2 −0
Original line number Diff line number Diff line
@@ -419,6 +419,8 @@ static int cik_sdma_gfx_resume(struct amdgpu_device *adev) 
		/* Initialize the ring buffer's read and write pointers */

		WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0);



		/* set the wb address whether it's enabled or not */

		WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i],

drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c

+2 −0
Original line number Diff line number Diff line
@@ -461,6 +461,8 @@ static int sdma_v2_4_gfx_resume(struct amdgpu_device *adev) 
		/* Initialize the ring buffer's read and write pointers */

		WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0);



		/* set the wb address whether it's enabled or not */

		WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i],

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

+2 −0
Original line number Diff line number Diff line
@@ -672,6 +672,8 @@ static int sdma_v3_0_gfx_resume(struct amdgpu_device *adev) 
		/* Initialize the ring buffer's read and write pointers */

		WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0);

		WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0);



		/* set the wb address whether it's enabled or not */

		WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i],