diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-08-08 18:24:53 +0200 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2016-08-08 20:34:05 +0200 |
| commit | cfc5adea1955ee8ddb62cc0d20ee454472033b6a (patch) | |
| tree | a8d6a5365be28763bef6ad3b40adf3cc4ab8ef49 /drivers/gpu/drm/drm_irq.c | |
| parent | drm/mediatek: Fix mtk_atomic_complete for runtime_pm (diff) | |
| download | linux-cfc5adea1955ee8ddb62cc0d20ee454472033b6a.tar.xz linux-cfc5adea1955ee8ddb62cc0d20ee454472033b6a.zip | |
drm: Make sure drm_vblank_no_hw_counter isn't abused
Shouldn't be possible since everyone kzallocs this, but better safe
than sorry. Random drive-by-idea really.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Rodrigo Vivi <rdorigo.vivi@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1470673493-14304-1-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 97c70642dbe1..c0c3f2006203 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1826,6 +1826,7 @@ EXPORT_SYMBOL(drm_crtc_handle_vblank); */ u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe) { + WARN_ON_ONCE(dev->max_vblank_count != 0); return 0; } EXPORT_SYMBOL(drm_vblank_no_hw_counter); |