drm/omap: fix plane rotation

Plane rotation with omapdrm is currently broken.
It seems omap_plane_mode_set() expects width and height in screen
coordinates, so pass it like that.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 046d5e660c04..df1725247cca 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -246,6 +246,14 @@ static int omap_plane_update(struct drm_plane *plane,
 
         drm_framebuffer_reference(fb);
 
+        /* omap_plane_mode_set() takes adjusted src */
+        switch (omap_plane->win.rotation & 0xf) {
+        case BIT(DRM_ROTATE_90):
+        case BIT(DRM_ROTATE_270):
+                swap(src_w, src_h);
+                break;
+        }
+
         return omap_plane_mode_set(plane, crtc, fb,
                         crtc_x, crtc_y, crtc_w, crtc_h,
                         src_x, src_y, src_w, src_h,