diff options
| 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 | |
| parent | 8cc17b59b08936bd5bbc43f54a12f441e0a2911a (diff) | |
| download | linux-rt-5f4df0c769a9c3cc731464112ddeb0e61c9386d8.tar.gz | |
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')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-drm-core.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-crtc.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 8 |
3 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 56dfc4cd50c6..99fff6c7bb4a 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -194,7 +194,8 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_planes(dev, state, - DRM_PLANE_COMMIT_ACTIVE_ONLY); + DRM_PLANE_COMMIT_ACTIVE_ONLY | + DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET); drm_atomic_helper_commit_modeset_enables(dev, state); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 83c46bd8a47a..c3d5933cb663 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -76,6 +76,9 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, crtc->state->event = NULL; } spin_unlock_irq(&crtc->dev->event_lock); + + /* always disable planes on the CRTC */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); } static void imx_drm_crtc_reset(struct drm_crtc *crtc) 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) { |