From: Boyuan Zhang <boyuan.zh...@amd.com>
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.zh...@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
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