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drm/panel: truly: Add additional delay after pulling down reset gpio

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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
This commit is contained in:
Vivek Gautam 2019-05-27 15:56:16 +05:30 committed by Sam Ravnborg
parent f5b07b04e5
commit a5b8687869
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/panel/panel-truly-nt35597.c
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@ -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;
}