drm/panel: Add prepare_upstream_first flag to drm_panel
Mapping to the drm_bridge flag pre_enable_upstream_first, add a new flag prepare_upstream_first to drm_panel to allow the panel driver to request that the upstream bridge should be pre_enabled before the panel prepare. Link: https://lore.kernel.org/all/a593a187fe3e6fc1ca5bf3db001ed87457e3d4ee.1646406653.git.dave.stevenson@raspberrypi.com/ Signed-off-by:Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by:
Rahul T R <r-ravikumar@ti.com>
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