drm/vc4: Make pageflip completion handling more robust.

[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / vc4 / vc4_regs.h

diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h
index 6163b95c54111bde8c20bfd8e2efd233cb90b6ae..f99eece4cc97200ba664514dc26941cb6879e77d 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_regs.h
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
@@ -341,6 +341,10 @@
 #define SCALER_DISPLACT0                        0x00000030
 #define SCALER_DISPLACT1                        0x00000034
 #define SCALER_DISPLACT2                        0x00000038
+#define SCALER_DISPLACTX(x)                    (SCALER_DISPLACT0 +     \
+                                                (x) * (SCALER_DISPLACT1 - \
+                                                       SCALER_DISPLACT0))
+
 #define SCALER_DISPCTRL0                        0x00000040
 # define SCALER_DISPCTRLX_ENABLE               BIT(31)
 # define SCALER_DISPCTRLX_RESET                        BIT(30)