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author | Vivek Gautam <vivek.gautam@codeaurora.org> | 2019-05-27 15:56:16 +0530 |
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committer | Sam Ravnborg <sam@ravnborg.org> | 2019-06-05 10:21:15 +0200 |
commit | a5b8687869247c70ae114415d440798b01d8b952 (patch) | |
tree | 7acf551638ef47ebdca5fb042432e2e1b6708703 | |
parent | f5b07b04e5f090a85d1e96938520f2b2b58e4a8e (diff) | |
download | linux-stable-a5b8687869247c70ae114415d440798b01d8b952.tar.gz linux-stable-a5b8687869247c70ae114415d440798b01d8b952.tar.bz2 linux-stable-a5b8687869247c70ae114415d440798b01d8b952.zip |
drm/panel: truly: Add additional delay after pulling down reset gpio
MTP SDM845 panel seems to need additional delay to bring panel
to a workable state. Running modetest without this change displays
blurry artifacts.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527102616.28315-1-vivek.gautam@codeaurora.org
-rw-r--r-- | drivers/gpu/drm/panel/panel-truly-nt35597.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c index b68b1426e8cc..77e1311b7c69 100644 --- a/drivers/gpu/drm/panel/panel-truly-nt35597.c +++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c @@ -284,6 +284,7 @@ static int truly_35597_power_on(struct truly_nt35597 *ctx) gpiod_set_value(ctx->reset_gpio, 1); usleep_range(10000, 20000); gpiod_set_value(ctx->reset_gpio, 0); + usleep_range(10000, 20000); return 0; } |