drm/radeon: UVD bringup v8
Just everything needed to decode videos using UVD.
v6: just all the bugfixes and support for R7xx-SI merged in one patch
v7: UVD_CGC_GATE is a write only register, lockup detection fix
v8: split out VRAM fallback changes, remove support for RV770,
add support for HEMLOCK, add buffer sizes checks
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 445b235..f2555bc 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -490,6 +490,15 @@
# define CACHE_FLUSH_AND_INV_EVENT (0x16 << 0)
/*
+ * UVD
+ */
+#define UVD_SEMA_ADDR_LOW 0xEF00
+#define UVD_SEMA_ADDR_HIGH 0xEF04
+#define UVD_SEMA_CMD 0xEF08
+#define UVD_RBC_RB_RPTR 0xF690
+#define UVD_RBC_RB_WPTR 0xF694
+
+/*
* PM4
*/
#define PACKET0(reg, n) ((RADEON_PACKET_TYPE0 << 30) | \
