From: allen chen <allen.c...@ite.com.tw>
Speed up video clock calculation and remove redundant video debug message.
Signed-off-by: Pin-Yen Lin <treapk...@chromium.org>
Signed-off-by: Allen Chen <allen.c...@ite.com.tw>
Reviewed-by: Robert Foss <robert.f...@linaro.org>
---
drivers/gpu/drm/bridge/ite-it6505.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c
b/drivers/gpu/drm/bridge/ite-it6505.c
index cfd2c3275dc5..11a34ddb60a1 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -703,7 +703,7 @@ 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);
@@ -720,7 +720,7 @@ 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;
@@ -2344,8 +2344,6 @@ 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));
--
2.25.1
