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[2/2] drm/omap: invert dimensions on crtc when rotated

Message ID 1346776580-13136-1-git-send-email-rob.clark@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Rob Clark Sept. 4, 2012, 4:36 p.m. UTC 
From: Rob Clark <rob@ti.com>

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>
---
 drivers/staging/omapdrm/omap_crtc.c |    7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index 98a10bc..dade3de 100644
--- 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);
 }