staging: drm/omap: invert dimensions on crtc when rotated

If rotated 90 or 270, we need to invert the dimensions used by drm
core for calculating if the dimensions of an attached fb are correct.

Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index 98a10bcba0d3287ee84d1a5430a44e1b9d2abe9a..dade3dec4ec6f79db21846f1e5722bb8366f4323 100644 (file)
--- a/drivers/staging/omapdrm/omap_crtc.c
+++ b/drivers/staging/omapdrm/omap_crtc.c
@@ -195,6 +195,13 @@ static int omap_crtc_set_property(struct drm_crtc *crtc,
                struct drm_property *property, uint64_t val)
 {
        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+       struct omap_drm_private *priv = crtc->dev->dev_private;
+
+       if (property == priv->rotation_prop) {
+               crtc->invert_dimensions =
+                               !!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270)));
+       }
+
        return omap_plane_set_property(omap_crtc->plane, property, val);
 }