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>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 445b235c4323..f2555bc44ada 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) |                  \