[PATCH v2 10/13] drm/bridge: lt9611: simplify video timings programming

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Sun Jan 8 16:56:53 UTC 2023


Inline calculated values to simplify the calculation in
lt9611_mipi_video_setup().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/bridge/lontium-lt9611.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index 7f9be74acf0d..1396ab081f61 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -155,12 +155,12 @@ static void lt9611_mipi_video_setup(struct lt9611 *lt9611,
 	hactive = mode->hdisplay;
 	hsync_len = mode->hsync_end - mode->hsync_start;
 	hfront_porch = mode->hsync_start - mode->hdisplay;
-	hsync_porch = hsync_len + mode->htotal - mode->hsync_end;
+	hsync_porch = mode->htotal - mode->hsync_start;
 
 	vactive = mode->vdisplay;
 	vsync_len = mode->vsync_end - mode->vsync_start;
 	vfront_porch = mode->vsync_start - mode->vdisplay;
-	vsync_porch = vsync_len + mode->vtotal - mode->vsync_end;
+	vsync_porch = mode->vtotal - mode->vsync_start;
 
 	regmap_write(lt9611->regmap, 0x830d, (u8)(v_total / 256));
 	regmap_write(lt9611->regmap, 0x830e, (u8)(v_total % 256));
-- 
2.39.0



More information about the dri-devel mailing list