drm/irq: Unexport drm_vblank_on/off
Only remaining use was in amdgpu, and trivial to convert over to
drm_crtc_vblank_* variants.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114090255.31595-5-daniel.vetter@ffwll.ch
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 1681e91..273625a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -93,7 +93,7 @@ static void store_vblank(struct drm_device *dev, unsigned int pipe,
* Reset the stored timestamp for the current vblank count to correspond
* to the last vblank occurred.
*
- * Only to be called from drm_vblank_on().
+ * Only to be called from drm_crtc_vblank_on().
*
* Note: caller must hold dev->vbl_lock since this reads & writes
* device vblank fields.
@@ -306,7 +306,7 @@ static void vblank_disable_and_save(struct drm_device *dev, unsigned int pipe)
* Always update the count and timestamp to maintain the
* appearance that the counter has been ticking all along until
* this time. This makes the count account for the entire time
- * between drm_vblank_on() and drm_vblank_off().
+ * between drm_crtc_vblank_on() and drm_crtc_vblank_off().
*/
drm_update_vblank_count(dev, pipe, 0);
@@ -1255,21 +1255,20 @@ void drm_crtc_wait_one_vblank(struct drm_crtc *crtc)
EXPORT_SYMBOL(drm_crtc_wait_one_vblank);
/**
- * drm_vblank_off - disable vblank events on a CRTC
- * @dev: DRM device
- * @pipe: CRTC index
+ * drm_crtc_vblank_off - disable vblank events on a CRTC
+ * @crtc: CRTC in question
*
* Drivers can use this function to shut down the vblank interrupt handling when
* disabling a crtc. This function ensures that the latest vblank frame count is
- * stored so that drm_vblank_on() can restore it again.
+ * stored so that drm_vblank_on can restore it again.
*
* Drivers must use this function when the hardware vblank counter can get
* reset, e.g. when suspending.
- *
- * This is the legacy version of drm_crtc_vblank_off().
*/
-void drm_vblank_off(struct drm_device *dev, unsigned int pipe)
+void drm_crtc_vblank_off(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = drm_crtc_index(crtc);
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
struct drm_pending_vblank_event *e, *t;
struct timeval now;
@@ -1285,7 +1284,8 @@ void drm_vblank_off(struct drm_device *dev, unsigned int pipe)
DRM_DEBUG_VBL("crtc %d, vblank enabled %d, inmodeset %d\n",
pipe, vblank->enabled, vblank->inmodeset);
- /* Avoid redundant vblank disables without previous drm_vblank_on(). */
+ /* Avoid redundant vblank disables without previous
+ * drm_crtc_vblank_on(). */
if (drm_core_check_feature(dev, DRIVER_ATOMIC) || !vblank->inmodeset)
vblank_disable_and_save(dev, pipe);
@@ -1316,25 +1316,6 @@ void drm_vblank_off(struct drm_device *dev, unsigned int pipe)
}
spin_unlock_irqrestore(&dev->event_lock, irqflags);
}
-EXPORT_SYMBOL(drm_vblank_off);
-
-/**
- * drm_crtc_vblank_off - disable vblank events on a CRTC
- * @crtc: CRTC in question
- *
- * Drivers can use this function to shut down the vblank interrupt handling when
- * disabling a crtc. This function ensures that the latest vblank frame count is
- * stored so that drm_vblank_on can restore it again.
- *
- * Drivers must use this function when the hardware vblank counter can get
- * reset, e.g. when suspending.
- *
- * This is the native kms version of drm_vblank_off().
- */
-void drm_crtc_vblank_off(struct drm_crtc *crtc)
-{
- drm_vblank_off(crtc->dev, drm_crtc_index(crtc));
-}
EXPORT_SYMBOL(drm_crtc_vblank_off);
/**
@@ -1370,19 +1351,18 @@ void drm_crtc_vblank_reset(struct drm_crtc *crtc)
EXPORT_SYMBOL(drm_crtc_vblank_reset);
/**
- * drm_vblank_on - enable vblank events on a CRTC
- * @dev: DRM device
- * @pipe: CRTC index
+ * drm_crtc_vblank_on - enable vblank events on a CRTC
+ * @crtc: CRTC in question
*
* This functions restores the vblank interrupt state captured with
- * drm_vblank_off() again. Note that calls to drm_vblank_on() and
- * drm_vblank_off() can be unbalanced and so can also be unconditionally called
+ * drm_crtc_vblank_off() again. Note that calls to drm_crtc_vblank_on() and
+ * drm_crtc_vblank_off() can be unbalanced and so can also be unconditionally called
* in driver load code to reflect the current hardware state of the crtc.
- *
- * This is the legacy version of drm_crtc_vblank_on().
*/
-void drm_vblank_on(struct drm_device *dev, unsigned int pipe)
+void drm_crtc_vblank_on(struct drm_crtc *crtc)
{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = drm_crtc_index(crtc);
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
unsigned long irqflags;
@@ -1409,23 +1389,6 @@ void drm_vblank_on(struct drm_device *dev, unsigned int pipe)
WARN_ON(drm_vblank_enable(dev, pipe));
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
}
-EXPORT_SYMBOL(drm_vblank_on);
-
-/**
- * drm_crtc_vblank_on - enable vblank events on a CRTC
- * @crtc: CRTC in question
- *
- * This functions restores the vblank interrupt state captured with
- * drm_vblank_off() again. Note that calls to drm_vblank_on() and
- * drm_vblank_off() can be unbalanced and so can also be unconditionally called
- * in driver load code to reflect the current hardware state of the crtc.
- *
- * This is the native kms version of drm_vblank_on().
- */
-void drm_crtc_vblank_on(struct drm_crtc *crtc)
-{
- drm_vblank_on(crtc->dev, drm_crtc_index(crtc));
-}
EXPORT_SYMBOL(drm_crtc_vblank_on);
static void drm_legacy_vblank_pre_modeset(struct drm_device *dev,
@@ -1548,11 +1511,10 @@ static int drm_queue_vblank_event(struct drm_device *dev, unsigned int pipe,
spin_lock_irqsave(&dev->event_lock, flags);
/*
- * drm_vblank_off() might have been called after we called
- * drm_vblank_get(). drm_vblank_off() holds event_lock
- * around the vblank disable, so no need for further locking.
- * The reference from drm_vblank_get() protects against
- * vblank disable from another source.
+ * drm_crtc_vblank_off() might have been called after we called
+ * drm_vblank_get(). drm_crtc_vblank_off() holds event_lock around the
+ * vblank disable, so no need for further locking. The reference from
+ * drm_vblank_get() protects against vblank disable from another source.
*/
if (!vblank->enabled) {
ret = -EINVAL;
