From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sat, 5 Apr 2014 18:33:51 +0000 (+0300)
Subject: drm/omap: fix plane rotation
X-Git-Tag: accepted/tizen/common/20141203.182822~168^2~8^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d4586604acbd2e58921e0363533b9797b0235275;p=platform%2Fkernel%2Flinux-arm64.git

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>
---

diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 046d5e6..df17252 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,