Commit a0c1bbb0 authored Sep 25, 2013 by Damien Lespiau Committed by Daniel Vetter Oct 01, 2013

drm: Check the fb size against the adjusted v/hdisplay for stereo modes



Some stereo modes, like frame packing, need a larger CRTC viewport than
the "natural" underlying 2D mode and thus drm_crtc_check_viewport()
needs to query the adjusted mode to use the correct h/vdisplay.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent c11e9283

drivers/gpu/drm/drm_crtc.c

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2078,6 +2078,14 @@ static int drm_crtc_check_viewport(const struct drm_crtc *crtc,
	hdisplay = mode->hdisplay;		hdisplay = mode->hdisplay;
	vdisplay = mode->vdisplay;		vdisplay = mode->vdisplay;

			if (drm_mode_is_stereo(mode)) {
			struct drm_display_mode adjusted = *mode;

			drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE);
			hdisplay = adjusted.crtc_hdisplay;
			vdisplay = adjusted.crtc_vdisplay;
			}

	if (crtc->invert_dimensions)		if (crtc->invert_dimensions)
	swap(hdisplay, vdisplay);		swap(hdisplay, vdisplay);