hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

omapdrm: only take crtc->mutex in crtc callbacks 

Omapdrm doesn't do anything nefarious with crtc load detection or has
any shared resources, so this is enough. We also need to adjust the
WARN_ON.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Daniel Vetter 2013-01-24 17:20:33 +01:00 committed by Rob Clark
parent 8bb0daffb0
commit 16ef3dfe46
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/omapdrm/omap_crtc.c
View File

@ -274,17 +274,16 @@ static void page_flip_worker(struct work_struct *work)
struct omap_crtc *omap_crtc =
container_of(work, struct omap_crtc, page_flip_work);
struct drm_crtc *crtc = &omap_crtc->base;
struct drm_device *dev = crtc->dev;
struct drm_display_mode *mode = &crtc->mode;
struct drm_gem_object *bo;
drm_modeset_lock_all(dev);
mutex_lock(&crtc->mutex);
omap_plane_mode_set(omap_crtc->plane, crtc, crtc->fb,
0, 0, mode->hdisplay, mode->vdisplay,
crtc->x << 16, crtc->y << 16,
mode->hdisplay << 16, mode->vdisplay << 16,
vblank_cb, crtc);
drm_modeset_unlock_all(dev);
mutex_unlock(&crtc->mutex);
bo = omap_framebuffer_bo(crtc->fb, 0);
drm_gem_object_unreference_unlocked(bo);
@ -417,7 +416,7 @@ static void apply_worker(struct work_struct *work)
* the callbacks and list modification all serialized
* with respect to modesetting ioctls from userspace.
*/
drm_modeset_lock_all(dev);
mutex_lock(&crtc->mutex);
dispc_runtime_get();
/*
@ -462,16 +461,15 @@ static void apply_worker(struct work_struct *work)
out:
dispc_runtime_put();
drm_modeset_unlock_all(dev);
mutex_unlock(&crtc->mutex);
}
int omap_crtc_apply(struct drm_crtc *crtc,
struct omap_drm_apply *apply)
{
struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
struct drm_device *dev = crtc->dev;
WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
WARN_ON(!mutex_is_locked(&crtc->mutex));
/* no need to queue it again if it is already queued: */
if (apply->queued)