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| author | Pin-yen Lin <treapking@chromium.org> | 2023-03-31 11:02:04 +0800 |
|---|---|---|
| committer | Robert Foss <rfoss@kernel.org> | 2023-04-05 14:42:12 +0200 |
| commit | 4224011374d1b4228a59b73149320c61eeb700b3 (patch) | |
| tree | 25838131af2c071972a74abe227ebad7b2b1075e /drivers/gpu/drm/bridge/parade-ps8640.c | |
| parent | ca161b259cc84fe1f4a2ce4c73c3832cf6f713f1 (diff) | |
| download | linux-stable-4224011374d1b4228a59b73149320c61eeb700b3.tar.gz linux-stable-4224011374d1b4228a59b73149320c61eeb700b3.tar.bz2 linux-stable-4224011374d1b4228a59b73149320c61eeb700b3.zip | |
drm/bridge: ps8640: Use constant sleep time for polling hpd
The default hpd_wait_us in panel_edp.c is 2 seconds. This makes the
sleep time in the polling of _ps8640_wait_hpd_asserted become 200ms.
Change it to a constant 20ms to speed up the function.
Signed-off-by: Pin-yen Lin <treapking@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230331030204.1179524-1-treapking@chromium.org
Diffstat (limited to 'drivers/gpu/drm/bridge/parade-ps8640.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/parade-ps8640.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index b823e55650b1..c3eb45179405 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -184,7 +184,7 @@ static int _ps8640_wait_hpd_asserted(struct ps8640 *ps_bridge, unsigned long wai * actually connected to GPIO9). */ ret = regmap_read_poll_timeout(map, PAGE2_GPIO_H, status, - status & PS_GPIO9, wait_us / 10, wait_us); + status & PS_GPIO9, 20000, wait_us); /* * The first time we see HPD go high after a reset we delay an extra |