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| author | Liu Ying <gnuiyl@gmail.com> | 2016-08-26 15:30:43 +0800 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-08-29 12:45:05 +0200 |
| commit | 5f4df0c769a9c3cc731464112ddeb0e61c9386d8 (patch) | |
| tree | 00a9a924da711d9e99bd97942307763da1b94712 /drivers/gpu/drm/imx/ipuv3-plane.c | |
| parent | 8cc17b59b08936bd5bbc43f54a12f441e0a2911a (diff) | |
| download | lwn-5f4df0c769a9c3cc731464112ddeb0e61c9386d8.tar.gz lwn-5f4df0c769a9c3cc731464112ddeb0e61c9386d8.zip | |
drm/imx: Use DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET flag
The IPUv3 display controller behind imx-drm needs all planes of
a CRTC be disabled when the CRTC is disabled.
The DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET flag reflects this
hardware requirement. Let's use the flag for imx-drm.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-plane.c')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 4ad67d015ec7..6a481476734b 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -392,8 +392,12 @@ 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 (!drm_atomic_crtc_needs_modeset(crtc_state)) { + ipu_plane_atomic_set_base(ipu_plane, old_state); + return; + } } switch (ipu_plane->dp_flow) { |