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authorVille Syrjälä <ville.syrjala@linux.intel.com>2018-05-25 21:50:45 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2018-06-11 20:22:44 +0300
commite00fb8564ee98c5c3a72c74b1a27e441abff6cca (patch)
tree79c66fa13861f09f232aa77229385a7e0e01e864 /drivers/gpu/drm/drm_atomic_helper.c
parent2f958af7fc2483e09a048308fe55399343d8f20c (diff)
downloadlinux-e00fb8564ee98c5c3a72c74b1a27e441abff6cca.tar.xz
drm: Stop updating plane->crtc/fb/old_fb on atomic drivers
Stop playing around with plane->crtc/fb/old_fb with atomic drivers. Make life a lot simpler when we don't have to do the magic old_fb vs. fb dance around plane updates. That way we can't risk plane->fb getting out of sync with plane->state->fb and we're less likely to leak any refcounts as well. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180525185045.29689-14-ville.syrjala@linux.intel.com Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 130da5195f3b..232fa11a5e31 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2914,7 +2914,6 @@ static int __drm_atomic_helper_disable_all(struct drm_device *dev,
struct drm_plane *plane;
struct drm_crtc_state *crtc_state;
struct drm_crtc *crtc;
- unsigned plane_mask = 0;
int ret, i;
state = drm_atomic_state_alloc(dev);
@@ -2957,17 +2956,10 @@ static int __drm_atomic_helper_disable_all(struct drm_device *dev,
goto free;
drm_atomic_set_fb_for_plane(plane_state, NULL);
-
- if (clean_old_fbs) {
- plane->old_fb = plane->fb;
- plane_mask |= BIT(drm_plane_index(plane));
- }
}
ret = drm_atomic_commit(state);
free:
- if (plane_mask)
- drm_atomic_clean_old_fb(dev, plane_mask, ret);
drm_atomic_state_put(state);
return ret;
}
@@ -3129,13 +3121,8 @@ int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
state->acquire_ctx = ctx;
- for_each_new_plane_in_state(state, plane, new_plane_state, i) {
- WARN_ON(plane->crtc != new_plane_state->crtc);
- WARN_ON(plane->fb != new_plane_state->fb);
- WARN_ON(plane->old_fb);
-
+ for_each_new_plane_in_state(state, plane, new_plane_state, i)
state->planes[i].old_state = plane->state;
- }
for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
state->crtcs[i].old_state = crtc->state;