[PATCH 11/18] drm/amdgpu: add patch to jpeg ring

[boyuan.zhang at amd.com]

From: Boyuan Zhang <boyuan.zhang at 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.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