[PATCH 1/5] drm/i2c: tda998x: set VIF for full range, underscanned display

Russell King rmk+kernel at arm.linux.org.uk
Sun Oct 6 18:07:55 EDT 2013


Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
 drivers/gpu/drm/i2c/tda998x_drv.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 60e8404..704040b5 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -549,6 +549,8 @@ tda998x_write_avi(struct drm_encoder *encoder, struct drm_display_mode *mode)
 	buf[HB(0)] = 0x82;
 	buf[HB(1)] = 0x02;
 	buf[HB(2)] = 13;
+	buf[PB(1)] = 2; /* underscanned display */
+	buf[PB(3)] = 2 << 2; /* full range */
 	buf[PB(4)] = drm_match_cea_mode(mode);
 
 	tda998x_write_if(encoder, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
-- 
1.7.4.4




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