From: Boyuan Zhang Date: Wed, 30 May 2018 19:19:52 +0000 (-0400) Subject: drm/amdgpu: add patch to jpeg ring X-Git-Tag: for-linus-20180825~57^2~40^2~47 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b7fe681e35aaf8c844755297777bdceae030f6c3;p=linux-block.git drm/amdgpu: add patch to jpeg ring Add patch commands to jepg ring by calling set patch ring function. v2: remove modifications on max_dw, buf_mask and ptr_mask, since we are now using extra_dw for jpeg ring. Signed-off-by: Boyuan Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 8fecdc5cef43..32b70049fd91 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -760,6 +760,13 @@ static int vcn_v1_0_start(struct amdgpu_device *adev) WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, 0); WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L); + /* initialize wptr */ + ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR); + + /* copy patch commands to the jpeg ring */ + vcn_v1_0_jpeg_ring_set_patch_ring(ring, + (ring->wptr + ring->max_dw * amdgpu_sched_hw_submission)); + return 0; }