From: allen chen <[email protected]>
This series fixes some it6505 driver bugs and improve computing time.
Changes in v2:
- Change committe message occure to occur.
allen chen (3):
drm/bridge: it6505: Modified power sequence
drm/bridge: it6505: Add i2c api power on check
drm/bridge: it6505: Modified video clock calculation and video debug
message
drivers/gpu/drm/bridge/ite-it6505.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
--
2.25.1
From: allen chen <[email protected]>
Change power sequence to meet it6505 data sheet requirement when boot on.
Signed-off-by: Pin-Yen Lin <[email protected]>
Signed-off-by: Allen Chen <[email protected]>
Reviewed-by: Robert Foss <[email protected]>
---
drivers/gpu/drm/bridge/ite-it6505.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index 2d119e3016b3..aa5e0aa1af85 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -3029,7 +3029,7 @@ static int it6505_init_pdata(struct it6505 *it6505)
return PTR_ERR(pdata->ovdd);
}
- pdata->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+ pdata->gpiod_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(pdata->gpiod_reset)) {
dev_err(dev, "gpiod_reset gpio not found");
return PTR_ERR(pdata->gpiod_reset);
--
2.25.1
From: allen chen <[email protected]>
Speed up video clock calculation and remove redundant video debug message.
Signed-off-by: Pin-Yen Lin <[email protected]>
Signed-off-by: Allen Chen <[email protected]>
Reviewed-by: Robert Foss <[email protected]>
---
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
Applied series to drm-misc-next.