[PATCH v2 3/8] drm/i2c: tda998x: fix npix/nline programming

[Sebastian Hesselbarth]

From: Russell King <rmk+kernel at arm.linux.org.uk>

The npix/nline registers are supposed to be programmed with the total
number of pixels/lines, not the displayed pixels/lines, and not minus
one either.

Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
Tested-by: Darren Etheridge <detheridge at ti.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>
---
Cc: David Airlie <airlied at linux.ie>
Cc: Darren Etheridge <detheridge at ti.com>
Cc: Rob Clark <robdclark at gmail.com>
Cc: Russell King <rmk+kernel at arm.linux.org.uk>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: dri-devel at lists.freedesktop.org
Cc: linux-kernel at vger.kernel.org
---
 drivers/gpu/drm/i2c/tda998x_drv.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index cb9b13a..a701411 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -587,8 +587,8 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder,
 		reg_set(encoder, REG_VIP_CNTRL_3, VIP_CNTRL_3_H_TGL);
 
 	reg_write(encoder, REG_VIDFORMAT, 0x00);
-	reg_write16(encoder, REG_NPIX_MSB, mode->hdisplay - 1);
-	reg_write16(encoder, REG_NLINE_MSB, mode->vdisplay - 1);
+	reg_write16(encoder, REG_NPIX_MSB, mode->htotal);
+	reg_write16(encoder, REG_NLINE_MSB, mode->vtotal);
 	reg_write16(encoder, REG_VS_LINE_STRT_1_MSB, line_start);
 	reg_write16(encoder, REG_VS_LINE_END_1_MSB, line_end);
 	reg_write16(encoder, REG_VS_PIX_STRT_1_MSB, hs_start);
-- 
1.7.10.4