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drm/i2c: tda998x: set VIF for full range, underscanned display 

Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-08-27 01:27:42 +01:00
parent 15c03dd485
commit 893c3e538d
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i2c/tda998x_drv.c
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@ -17,6 +17,7 @@
#include <linux/hdmi.h>
#include <linux/module.h>
#include <drm/drmP.h>
@ -549,6 +550,8 @@ 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)] = HDMI_SCAN_MODE_UNDERSCAN;
buf[PB(3)] = HDMI_QUANTIZATION_RANGE_FULL << 2;
buf[PB(4)] = drm_match_cea_mode(mode);
tda998x_write_if(encoder, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,