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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 09:13:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 09:13:24 +0300
commit9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e (patch)
tree052b3c229e00462cd0c5773c8b6b9fe314e86f38 /drivers/gpu/drm/imx/ipuv3-plane.c
parentaa652b1ccbd0d3a9cd4ecdec6d36935f78c838da (diff)
parentc6935931c1894ff857616ff8549b61236a19148f (diff)
downloadlinux-9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e.tar.xz
Merge 4.8-rc5 into staging-next
We want the staging fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-plane.c')
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 4ad67d015ec7..29423e757d36 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -319,13 +319,14 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
/*
- * since we cannot touch active IDMAC channels, we do not support
- * resizing the enabled plane or changing its format
+ * We support resizing active plane or changing its format by
+ * forcing CRTC mode change and disabling-enabling plane in plane's
+ * ->atomic_update callback.
*/
if (old_fb && (state->src_w != old_state->src_w ||
state->src_h != old_state->src_h ||
fb->pixel_format != old_fb->pixel_format))
- return -EINVAL;
+ crtc_state->mode_changed = true;
eba = drm_plane_state_to_eba(state);
@@ -336,7 +337,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
if (old_fb && fb->pitches[0] != old_fb->pitches[0])
- return -EINVAL;
+ crtc_state->mode_changed = true;
switch (fb->pixel_format) {
case DRM_FORMAT_YUV420:
@@ -372,7 +373,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
if (old_fb && old_fb->pitches[1] != fb->pitches[1])
- return -EINVAL;
+ crtc_state->mode_changed = true;
}
return 0;
@@ -392,8 +393,14 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
enum ipu_color_space ics;
if (old_state->fb) {
- ipu_plane_atomic_set_base(ipu_plane, old_state);
- return;
+ struct drm_crtc_state *crtc_state = state->crtc->state;
+
+ if (!crtc_state->mode_changed) {
+ ipu_plane_atomic_set_base(ipu_plane, old_state);
+ return;
+ }
+
+ ipu_disable_plane(plane);
}
switch (ipu_plane->dp_flow) {