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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>
This commit is contained in:
Liu Ying 2016-08-26 15:30:43 +08:00 committed by Philipp Zabel
parent 8cc17b59b0
commit 5f4df0c769
3 changed files with 11 additions and 3 deletions
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3
drivers/gpu/drm/imx/imx-drm-core.c
View File

@ -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);

3
drivers/gpu/drm/imx/ipuv3-crtc.c
View File

@ -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)

8
drivers/gpu/drm/imx/ipuv3-plane.c
View File

@ -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) {