drm/panel: mantix: Fix panel reset

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The mantix panel needs two reset lines (RESX and TP_RSTN) deasserted to
output an image. Only deasserting RESX is not enough and the display
will stay blank. Deassert in prepare() and assert in unprepare() to keep
device held in reset when off.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ba71a8ab010d263a8058dd4f711e3bcd95877bf2.1602584953.git.agx@sigxcpu.org

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Guido Günther 2020-10-13 12:32:47 +02:00 • committed by Sam Ravnborg

parent f41b019aa5

commit 787099f867

1 changed files with 16 additions and 7 deletions

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drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c

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