summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/bridge
diff options
context:
space:
mode:
authorallen chen <allen.chen@ite.com.tw>2022-07-15 05:49:07 +0300
committerRobert Foss <robert.foss@linaro.org>2022-07-18 14:43:19 +0300
commit1a217205bd2643272e32ec38926250aa6c29a854 (patch)
tree65d6deeb831e9d557dcbaa4813cc8635d9f8b9f8 /drivers/gpu/drm/bridge
parent86088f88a25c76baac304b6f887e5da2c30c4e07 (diff)
downloadlinux-1a217205bd2643272e32ec38926250aa6c29a854.tar.xz
drm/bridge: it6505: Modified video clock calculation and video debug message
Speed up video clock calculation and remove redundant video debug message. Signed-off-by: Pin-Yen Lin <treapking@chromium.org> Signed-off-by: Allen Chen <allen.chen@ite.com.tw> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220715024910.12578-4-allen.chen@ite.com.tw
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/ite-it6505.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index a30a31b21542..f9251ec49bf0 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -691,7 +691,7 @@ static void it6505_calc_video_info(struct it6505 *it6505)
DRM_DEV_DEBUG_DRIVER(dev, "hactive_start:%d, vactive_start:%d",
hdes, vdes);
- for (i = 0; i < 10; i++) {
+ for (i = 0; i < 3; i++) {
it6505_set_bits(it6505, REG_DATA_CTRL0, ENABLE_PCLK_COUNTER,
ENABLE_PCLK_COUNTER);
usleep_range(10000, 15000);
@@ -708,7 +708,7 @@ static void it6505_calc_video_info(struct it6505 *it6505)
return;
}
- sum /= 10;
+ sum /= 3;
pclk = 13500 * 2048 / sum;
it6505->video_info.clock = pclk;
it6505->video_info.hdisplay = hdew;
@@ -2350,8 +2350,6 @@ static void it6505_irq_hpd(struct it6505 *it6505)
if (!it6505_get_video_status(it6505))
it6505_video_reset(it6505);
-
- it6505_calc_video_info(it6505);
} else {
memset(it6505->dpcd, 0, sizeof(it6505->dpcd));