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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
This commit is contained in:
allen chen 2022-07-15 10:49:07 +08:00 committed by Robert Foss
parent 86088f88a2
commit 1a217205bd
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/bridge/ite-it6505.c
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@ -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));