Commit e0d460a4 authored by James Zhu's avatar James Zhu Committed by Alex Deucher
Browse files

drm/amdgpu/vcn:Update ring point to JPEG before init JPEG wptr 



It is a bug fix.

Signed-off-by: default avatarJames Zhu <James.Zhu@amd.com>
Acked-by: default avatarLeo Liu <leo.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5d65cab6

drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c

+2 −1
Original line number Diff line number Diff line
@@ -1088,7 +1088,8 @@ static int vcn_v1_0_start_dpg_mode(struct amdgpu_device *adev) 
	WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0,

			~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK);



	/* initialize wptr */

	/* initialize JPEG wptr */

	ring = &adev->vcn.ring_jpeg;

	ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);



	/* copy patch commands to the jpeg ring */

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