It's used for delaying vsync in interlaced mode.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_crtc.c | 2 +-
drivers/gpu/drm/vc4/vc4_regs.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index bb74cb9..5daa824 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -88,7 +88,7 @@ static const struct {
} crtc_regs[] = {
CRTC_REG(PV_CONTROL),
CRTC_REG(PV_V_CONTROL),
- CRTC_REG(PV_VSYNCD),
+ CRTC_REG(PV_VSYNCD_EVEN),
CRTC_REG(PV_HORZA),
CRTC_REG(PV_HORZB),
CRTC_REG(PV_VERTA),
diff --git a/drivers/gpu/drm/vc4/vc4_regs.h b/drivers/gpu/drm/vc4/vc4_regs.h
index 31042a4..58d4cb3 100644
--- a/drivers/gpu/drm/vc4/vc4_regs.h
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
@@ -187,7 +187,7 @@
# define PV_VCONTROL_CONTINUOUS BIT(1)
# define PV_VCONTROL_VIDEN BIT(0)
-#define PV_VSYNCD 0x08
+#define PV_VSYNCD_EVEN 0x08
#define PV_HORZA 0x0c
# define PV_HORZA_HBP_MASK VC4_MASK(31, 16)
--
2.7.0
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