[PATCH 2/2] drm/amdgpu: Avoid HDP flush on JPEG v5.0.1

[Lijo Lazar]

Similar to JPEG v4.0.3, HDP flush shouldn't be performed by JPEG engine.
Keep it empty.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c | 2 +-
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h | 1 +
 drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
index b8f06e9c9e62..9f5f49bed5bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
@@ -686,7 +686,7 @@ static uint64_t jpeg_v4_0_3_dec_ring_get_wptr(struct amdgpu_ring *ring)
 				   jpeg_v4_0_3_core_reg_offset(ring->pipe));
 }
 
-static void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring)
+void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring)
 {
 	/* JPEG engine access for HDP flush doesn't work when RRMT is enabled.
 	 * This is a workaround to avoid any HDP flush through JPEG ring.
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
index 747a3e5f6856..a90bf370a002 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.h
@@ -56,6 +56,7 @@ void jpeg_v4_0_3_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq
 				unsigned int flags);
 void jpeg_v4_0_3_dec_ring_emit_vm_flush(struct amdgpu_ring *ring,
 					unsigned int vmid, uint64_t pd_addr);
+void jpeg_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring);
 void jpeg_v4_0_3_dec_ring_nop(struct amdgpu_ring *ring, uint32_t count);
 void jpeg_v4_0_3_dec_ring_insert_start(struct amdgpu_ring *ring);
 void jpeg_v4_0_3_dec_ring_insert_end(struct amdgpu_ring *ring);
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
index 0d63af6ac68e..13d869641fe6 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
@@ -703,6 +703,7 @@ static const struct amdgpu_ring_funcs jpeg_v5_0_1_dec_ring_vm_funcs = {
 	.emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
 	.emit_fence = jpeg_v4_0_3_dec_ring_emit_fence,
 	.emit_vm_flush = jpeg_v4_0_3_dec_ring_emit_vm_flush,
+	.emit_hdp_flush = jpeg_v4_0_3_ring_emit_hdp_flush,
 	.test_ring = amdgpu_jpeg_dec_ring_test_ring,
 	.test_ib = amdgpu_jpeg_dec_ring_test_ib,
 	.insert_nop = jpeg_v4_0_3_dec_ring_nop,
-- 
2.25.1