drm/vc4: Define missing PITCH0_SINK_PIX field

This is needed to support X/Y negative placement of planes using
T-format buffers.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180803092231.26446-2-boris.brezillon@bootlin.com

diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h
index ccbd6b377ffe642084319de47bf8f544d86caf99..931088014272438e2a15293543c0eb2dcbbef08f 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_regs.h
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
@@ -1037,6 +1037,10 @@ enum hvs_pixel_format {
 #define SCALER_TILE_HEIGHT_MASK                        VC4_MASK(15, 0)
 #define SCALER_TILE_HEIGHT_SHIFT               0
 
+/* Common PITCH0 fields */
+#define SCALER_PITCH0_SINK_PIX_MASK            VC4_MASK(31, 26)
+#define SCALER_PITCH0_SINK_PIX_SHIFT           26
+
 /* PITCH0 fields for T-tiled. */
 #define SCALER_PITCH0_TILE_WIDTH_L_MASK                VC4_MASK(22, 16)
 #define SCALER_PITCH0_TILE_WIDTH_L_SHIFT       16