drm/radeon: implement blit copy callback for CIK
Uses the CP ring rather than the DMA ring. Useful
for debugging and benchmarking.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index 74172cc..380cea3 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -1747,6 +1747,68 @@
# define PACKET3_PREAMBLE_BEGIN_CLEAR_STATE (2 << 28)
# define PACKET3_PREAMBLE_END_CLEAR_STATE (3 << 28)
#define PACKET3_DMA_DATA 0x50
+/* 1. header
+ * 2. CONTROL
+ * 3. SRC_ADDR_LO or DATA [31:0]
+ * 4. SRC_ADDR_HI [31:0]
+ * 5. DST_ADDR_LO [31:0]
+ * 6. DST_ADDR_HI [7:0]
+ * 7. COMMAND [30:21] | BYTE_COUNT [20:0]
+ */
+/* CONTROL */
+# define PACKET3_DMA_DATA_ENGINE(x) ((x) << 0)
+ /* 0 - ME
+ * 1 - PFP
+ */
+# define PACKET3_DMA_DATA_SRC_CACHE_POLICY(x) ((x) << 13)
+ /* 0 - LRU
+ * 1 - Stream
+ * 2 - Bypass
+ */
+# define PACKET3_DMA_DATA_SRC_VOLATILE (1 << 15)
+# define PACKET3_DMA_DATA_DST_SEL(x) ((x) << 20)
+ /* 0 - DST_ADDR using DAS
+ * 1 - GDS
+ * 3 - DST_ADDR using L2
+ */
+# define PACKET3_DMA_DATA_DST_CACHE_POLICY(x) ((x) << 25)
+ /* 0 - LRU
+ * 1 - Stream
+ * 2 - Bypass
+ */
+# define PACKET3_DMA_DATA_DST_VOLATILE (1 << 27)
+# define PACKET3_DMA_DATA_SRC_SEL(x) ((x) << 29)
+ /* 0 - SRC_ADDR using SAS
+ * 1 - GDS
+ * 2 - DATA
+ * 3 - SRC_ADDR using L2
+ */
+# define PACKET3_DMA_DATA_CP_SYNC (1 << 31)
+/* COMMAND */
+# define PACKET3_DMA_DATA_DIS_WC (1 << 21)
+# define PACKET3_DMA_DATA_CMD_SRC_SWAP(x) ((x) << 22)
+ /* 0 - none
+ * 1 - 8 in 16
+ * 2 - 8 in 32
+ * 3 - 8 in 64
+ */
+# define PACKET3_DMA_DATA_CMD_DST_SWAP(x) ((x) << 24)
+ /* 0 - none
+ * 1 - 8 in 16
+ * 2 - 8 in 32
+ * 3 - 8 in 64
+ */
+# define PACKET3_DMA_DATA_CMD_SAS (1 << 26)
+ /* 0 - memory
+ * 1 - register
+ */
+# define PACKET3_DMA_DATA_CMD_DAS (1 << 27)
+ /* 0 - memory
+ * 1 - register
+ */
+# define PACKET3_DMA_DATA_CMD_SAIC (1 << 28)
+# define PACKET3_DMA_DATA_CMD_DAIC (1 << 29)
+# define PACKET3_DMA_DATA_CMD_RAW_WAIT (1 << 30)
#define PACKET3_AQUIRE_MEM 0x58
#define PACKET3_REWIND 0x59
#define PACKET3_LOAD_UCONFIG_REG 0x5E