diff options
| author |   Rajeev Nandan <rajeevny@codeaurora.org> | 2021-06-26 22:21:04 +0530 |
|---|---|---|
| committer |   Douglas Anderson <dianders@chromium.org> | 2021-07-09 06:47:55 -0700 |
| commit | bfd451403d70b13d22db097e4590fa80ba2160eb (patch) | |
| tree | 2359bb78f85e07245288cf2b42311c29972acd3b /drivers | |
| parent | drm/panel: add basic DP AUX backlight support (diff) | |
| download | wireguard-linux-bfd451403d70b13d22db097e4590fa80ba2160eb.tar.xz wireguard-linux-bfd451403d70b13d22db097e4590fa80ba2160eb.zip | |
drm/panel-simple: Support DP AUX backlight
If there is no backlight specified in the device tree and the panel
has access to the DP AUX channel then create a DP AUX backlight if
supported by the panel.
Signed-off-by: Rajeev Nandan <rajeevny@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1624726268-14869-3-git-send-email-rajeevny@codeaurora.org
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 78f0394e3b24..6f233f2a4e3d 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -800,6 +800,12 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc, if (err) goto disable_pm_runtime; + if (!panel->base.backlight && panel->aux) { + err = drm_panel_dp_aux_backlight(&panel->base, panel->aux); + if (err) + goto disable_pm_runtime; + } + drm_panel_add(&panel->base); return 0; |