Commit Graph

4 Commits

Author SHA1 Message Date
Douglas Anderson
f8c37b8809 drm/panel: Don't store+check prepared/enabled for simple cases
As talked about in commit d2aacaf073 ("drm/panel: Check for already
prepared/enabled in drm_panel"), we want to remove needless code from
panel drivers that was storing and double-checking the
prepared/enabled state. Even if someone was relying on the
double-check before, that double-check is now in the core and not
needed in individual drivers.

This pile of panel drivers appears to be simple to handle. Based on
code inspection they seemed to be using the prepared/enabled state
simply for double-checking that nothing else in the kernel called them
inconsistently. Now that the core drm_panel is doing the double
checking (and warning) it should be very clear that these devices
don't need their own double-check.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230804140605.RFC.1.Ia54954fd2f7645c1b86597494902973f57feeb71@changeid
2023-09-13 08:36:18 -07:00
Javier Martinez Canillas
1b633553f8 drm/panel-jdi-fhd-r63452: Drop custom DSI write macros
There are macros for these already in the <drm/drm_mipi_dsi.h> header, use
that instead and delete the custom DSI write macros defined in the driver.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230107191822.3787147-8-javierm@redhat.com
2023-01-11 18:50:51 +01:00
Uwe Kleine-König
79abca2b39 drm/mipi-dsi: Make remove callback return void
All implementations return 0 and the return value of mipi_dsi_drv_remove()
is ignored anyhow.

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708094922.1408248-4-u.kleine-koenig@pengutronix.de
2022-07-09 10:50:03 +02:00
Raffaele Tranquillini
437c3d8759 drm/panel: Add JDI R63452 MIPI DSI panel driver
This adds support for the JDI R63452 Full HD LCD panel used on the
Xiaomi Mi 5 smartphone, in MIPI DSI command mode.

Signed-off-by: Raffaele Tranquillini <raffaele.tranquillini@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210925102911.518038-1-raffaele.tranquillini@gmail.com
2021-10-14 21:42:48 +02:00