On Sun, Oct 01, 2017 at 05:33:17PM +0200, Hans de Goede wrote: > Apply the "panel orientation" drm connector prop to the primary plane, > so that fbcon and fbdev using userspace programs display the right way > up. > > Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=94894 > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > Changes in v2: > -New patch in v2 of this patch-set > --- > drivers/gpu/drm/drm_fb_helper.c | 53 +++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 51 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c > index 1b8f013ffa65..75c409430a26 100644 > --- a/drivers/gpu/drm/drm_fb_helper.c > +++ b/drivers/gpu/drm/drm_fb_helper.c > @@ -41,6 +41,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > > +#include "drm_crtc_internal.h" > #include "drm_crtc_helper_internal.h" > > static bool drm_fbdev_emulation = true; > @@ -347,6 +348,53 @@ int drm_fb_helper_debug_leave(struct fb_info *info) > } > EXPORT_SYMBOL(drm_fb_helper_debug_leave); > > +static int get_plane_rotation_from_panel_orientation( > + struct drm_fb_helper *fb_helper, struct drm_plane *plane) > +{ > + int i, rotation = DRM_MODE_ROTATE_0; > + struct drm_connector *conn; > + uint64_t valid_mask = 0; > + > + drm_fb_helper_for_each_connector(fb_helper, i) { > + conn = fb_helper->connector_info[i]->connector; > + if (conn->state->crtc && conn->state->crtc->primary == plane) { > + switch (conn->display_info.panel_orientation) { > + case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: > + rotation = DRM_MODE_ROTATE_180; > + break; > + case DRM_MODE_PANEL_ORIENTATION_LEFT_UP: > + rotation = DRM_MODE_ROTATE_90; > + break; > + case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: > + rotation = DRM_MODE_ROTATE_270; > + break; > + } > + break; > + } > + } > + > + /* > + * Check the necessary rotation to compensate for the panel orientation > + * is supported. > + * Note currently we simply leave things as is when not supported, maybe > + * we shouls set a hint in fb_info to tell fbcon to rotate in this case > + * so that atleast the console ends up the right way. Maybe, but this: > + * a) Is not necessary for any known models with a non upright panel > + * b) Is tricky because fbcon rotation applies to all outputs rather > + * then a single one > + */ > + if (!plane->rotation_property) > + return DRM_MODE_ROTATE_0; > + > + for (i = 0; i < plane->rotation_property->num_values; i++) > + valid_mask |= (1ULL << plane->rotation_property->values[i]); > + > + if (rotation & ~valid_mask) > + return DRM_MODE_ROTATE_0; > + > + return rotation; > +} > + > static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper, bool active) > { > struct drm_device *dev = fb_helper->dev; > @@ -376,8 +424,9 @@ static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper, bool activ > goto out_state; > } > > - plane_state->rotation = DRM_MODE_ROTATE_0; > - > + plane_state->rotation = > + get_plane_rotation_from_panel_orientation(fb_helper, > + plane); This is the loop to reset all the planes to default values, feels a bit awkward to change the rotation value in there. Also gives you that unpretty loop to check you're on the right plane. I think a cleaner way to do this would be: - add a rotation member to struct drm_fb_helper_crtc - set that when setting up the configuration drm_setup_crtcs - look up crtc->primary plane_state and set it int the loop below this one here (which is the one that actually sets the mode) Cheers, Daniel > plane->old_fb = plane->fb; > plane_mask |= 1 << drm_plane_index(plane); > > -- > 2.14.2 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
