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drm/panel: Add and initialise an orientation field to drm_panel from OF

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"rotation" is listed as a standard property of panels in panel-common.yaml,
therefore it would be logical to process that from within the core
code should a panel driver not implement the get_orientation hook.

Call of_drm_get_panel_orientation from
drm_connector_set_orientation_from_panel to get that information.

This removes the need for any boiler-plate in panel drivers for calling
drm_connector_set_orientation_from_panel or
drm_connector_set_panel_orientation.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2022-02-01 12:20:20 +00:00
committed by Dom Cobley
parent 8f09fd6570
commit 56abeaa3b7
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/drm_connector.c
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@@ -3073,10 +3073,15 @@ int drm_connector_set_orientation_from_panel(
{
enum drm_panel_orientation orientation;
if (panel && panel->funcs && panel->funcs->get_orientation)
if (panel && panel->funcs && panel->funcs->get_orientation) {
orientation = panel->funcs->get_orientation(panel);
else
} else {
orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
if (panel) {
of_drm_get_panel_orientation(panel->dev->of_node,
&orientation);
}
}
return drm_connector_set_panel_orientation(connector, orientation);
}