From: Boyuan Zhang <boyuan.zhang@xxxxxxx> 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 <boyuan.zhang at amd.com> --- drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 5ac5fd4..f6bf5f54 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; } -- 2.7.4
