drm/radeon/kms: add pageflip ioctl support (v3)
This adds support for dri2 pageflipping.
v2: precision updates from Mario Kleiner.
v3: Multihead fixes from Mario Kleiner; missing crtc offset
add note about update pending bit on pre-avivo chips
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
index 2330f3a..c781c92 100644
--- a/drivers/gpu/drm/radeon/evergreen_reg.h
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -105,6 +105,11 @@
#define EVERGREEN_GRPH_Y_START 0x6830
#define EVERGREEN_GRPH_X_END 0x6834
#define EVERGREEN_GRPH_Y_END 0x6838
+#define EVERGREEN_GRPH_UPDATE 0x6844
+# define EVERGREEN_GRPH_SURFACE_UPDATE_PENDING (1 << 2)
+# define EVERGREEN_GRPH_UPDATE_LOCK (1 << 16)
+#define EVERGREEN_GRPH_FLIP_CONTROL 0x6848
+# define EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN (1 << 0)
/* CUR blocks at 0x6998, 0x7598, 0x10198, 0x10d98, 0x11998, 0x12598 */
#define EVERGREEN_CUR_CONTROL 0x6998
@@ -178,6 +183,7 @@
# define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24)
#define EVERGREEN_CRTC_STATUS 0x6e8c
#define EVERGREEN_CRTC_STATUS_POSITION 0x6e90
+#define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8
#define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4
#define EVERGREEN_DC_GPIO_HPD_MASK 0x64b0