Hi,
On 06/18/2014 09:57 AM, sonika.jindal@xxxxxxxxx wrote:
[snip]
+static int intel_primary_plane_set_property(struct drm_plane *plane,
+ struct drm_property *prop,
+ uint64_t val)
+{
+ struct drm_device *dev = plane->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_plane *intel_plane = to_intel_plane(plane);
+ struct intel_crtc *intel_crtc = to_intel_crtc(plane->crtc);
+ struct drm_crtc *crtc = &intel_crtc->base;
+ uint64_t old_val;
+ int ret = -ENOENT;
+
+ if (prop == dev_priv->rotation_property) {
+ /* exactly one rotation angle please */
+ if (hweight32(val & 0xf) != 1)
+ return -EINVAL;
+
+ old_val = intel_plane->rotation;
+ intel_plane->rotation = val;
+
+ if (intel_crtc->active && intel_crtc->primary_enabled) {
+ intel_crtc_wait_for_pending_flips(crtc);
+
+ /* FBC does not work on some platforms for rotated planes */
+ if (dev_priv->fbc.plane == intel_crtc->plane &&
+ INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) &&
+ intel_plane->rotation != BIT(DRM_ROTATE_0))
+ intel_disable_fbc(dev);
Also, do we need a path for turning FBC back on once plane orientation
goes back to a supported configuration?
Regards,
Tvrtko
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