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drm: mali-dp: Update the state of all planes before re-enabling active CRTCs.

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Mali DP needs to have all the planes that are becoming inactive in the
new state disabled before re-enabling the active CRTC, otherwise we
start streaming out data from old pointers in memory.

Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
This commit is contained in:
Liviu Dudau 2017-03-22 10:39:48 +00:00
parent 6b1462700b
commit 46f1d42f27
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/arm/malidp_drv.c
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@ -66,10 +66,12 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state)
struct drm_pending_vblank_event *event;
struct drm_device *drm = state->dev;
struct malidp_drm *malidp = drm->dev_private;
int ret = malidp_set_and_wait_config_valid(drm);
if (ret)
DRM_DEBUG_DRIVER("timed out waiting for updated configuration\n");
if (malidp->crtc.enabled) {
/* only set config_valid if the CRTC is enabled */
if (malidp_set_and_wait_config_valid(drm))
DRM_DEBUG_DRIVER("timed out waiting for updated configuration\n");
}
event = malidp->crtc.state->event;
if (event) {
@ -90,9 +92,11 @@ static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
struct drm_device *drm = state->dev;
drm_atomic_helper_commit_modeset_disables(drm, state);
drm_atomic_helper_commit_modeset_enables(drm, state);
drm_atomic_helper_commit_planes(drm, state, 0);
drm_atomic_helper_commit_modeset_enables(drm, state);
malidp_atomic_commit_hw_done(state);
drm_atomic_helper_wait_for_vblanks(drm, state);