On Fri, Jan 17, 2020 at 04:34:27PM +0100, Stephan Gerhold wrote: > At the moment, video mode parameters like video=540x960,reflect_x, > (without rotation set) are not taken into account when applying the > mode in drm_client_modeset.c. > > One of the reasons for this is that the calculation that > combines the panel_orientation with cmdline->rotation_reflection > does not handle the case when cmdline->rotation_reflection does > not have any rotation set. > (i.e. cmdline->rotation_reflection & DRM_MODE_ROTATE_MASK == 0) > > However, we really should not generate such a value in the first place. > Rotation values should have exactly one rotation angle set > (DRM_MODE_ROTATE_0 for "no rotation"). > > This patch set changes the command line parser to make sure that we generate > only valid rotation values (defaulting to DRM_MODE_ROTATE_0). > > Finally it allows DRM_MODE_ROTATE_0 when applying the rotation from > the video mode parameters to make parameters without rotation work correctly. For both, Acked-by: Maxime Ripard <mripard@xxxxxxxxxx> Thanks! Maxime
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