summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/drm_irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c75
1 files changed, 13 insertions, 62 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 273625a85036..e06cf11ebb4a 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -95,7 +95,7 @@ static void store_vblank(struct drm_device *dev, unsigned int pipe,
*
* Only to be called from drm_crtc_vblank_on().
*
- * Note: caller must hold dev->vbl_lock since this reads & writes
+ * Note: caller must hold &drm_device.vbl_lock since this reads & writes
* device vblank fields.
*/
static void drm_reset_vblank_timestamp(struct drm_device *dev, unsigned int pipe)
@@ -142,7 +142,7 @@ static void drm_reset_vblank_timestamp(struct drm_device *dev, unsigned int pipe
* Only necessary when going from off->on, to account for frames we
* didn't get an interrupt for.
*
- * Note: caller must hold dev->vbl_lock since this reads & writes
+ * Note: caller must hold &drm_device.vbl_lock since this reads & writes
* device vblank fields.
*/
static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
@@ -415,29 +415,6 @@ err:
}
EXPORT_SYMBOL(drm_vblank_init);
-static void drm_irq_vgaarb_nokms(void *cookie, bool state)
-{
- struct drm_device *dev = cookie;
-
- if (dev->driver->vgaarb_irq) {
- dev->driver->vgaarb_irq(dev, state);
- return;
- }
-
- if (!dev->irq_enabled)
- return;
-
- if (state) {
- if (dev->driver->irq_uninstall)
- dev->driver->irq_uninstall(dev);
- } else {
- if (dev->driver->irq_preinstall)
- dev->driver->irq_preinstall(dev);
- if (dev->driver->irq_postinstall)
- dev->driver->irq_postinstall(dev);
- }
-}
-
/**
* drm_irq_install - install IRQ handler
* @dev: DRM device
@@ -449,7 +426,7 @@ static void drm_irq_vgaarb_nokms(void *cookie, bool state)
*
* This is the simplified helper interface provided for drivers with no special
* needs. Drivers which need to install interrupt handlers for multiple
- * interrupts must instead set drm_device->irq_enabled to signal the DRM core
+ * interrupts must instead set &drm_device.irq_enabled to signal the DRM core
* that vblank interrupts are available.
*
* Returns:
@@ -492,9 +469,6 @@ int drm_irq_install(struct drm_device *dev, int irq)
return ret;
}
- if (drm_core_check_feature(dev, DRIVER_LEGACY))
- vga_client_register(dev->pdev, (void *)dev, drm_irq_vgaarb_nokms, NULL);
-
/* After installing handler */
if (dev->driver->irq_postinstall)
ret = dev->driver->irq_postinstall(dev);
@@ -519,7 +493,7 @@ EXPORT_SYMBOL(drm_irq_install);
* Calls the driver's irq_uninstall() function and unregisters the IRQ handler.
* This should only be called by drivers which used drm_irq_install() to set up
* their interrupt handler. Other drivers must only reset
- * drm_device->irq_enabled to false.
+ * &drm_device.irq_enabled to false.
*
* Note that for kernel modesetting drivers it is a bug if this function fails.
* The sanity checks are only to catch buggy user modesetting drivers which call
@@ -579,19 +553,8 @@ int drm_irq_uninstall(struct drm_device *dev)
}
EXPORT_SYMBOL(drm_irq_uninstall);
-/*
- * IRQ control ioctl.
- *
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_control structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls irq_install() or irq_uninstall() according to \p arg.
- */
-int drm_control(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_irq_control(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_control *ctl = data;
int ret = 0, irq;
@@ -993,12 +956,11 @@ static void send_vblank_event(struct drm_device *dev,
* period. This helper function implements exactly the required vblank arming
* behaviour.
*
- * NOTE: Drivers using this to send out the event in struct &drm_crtc_state
- * as part of an atomic commit must ensure that the next vblank happens at
- * exactly the same time as the atomic commit is committed to the hardware. This
- * function itself does **not** protect again the next vblank interrupt racing
- * with either this function call or the atomic commit operation. A possible
- * sequence could be:
+ * NOTE: Drivers using this to send out the &drm_crtc_state.event as part of an
+ * atomic commit must ensure that the next vblank happens at exactly the same
+ * time as the atomic commit is committed to the hardware. This function itself
+ * does **not** protect again the next vblank interrupt racing with either this
+ * function call or the atomic commit operation. A possible sequence could be:
*
* 1. Driver commits new hardware state into vblank-synchronized registers.
* 2. A vblank happens, committing the hardware state. Also the corresponding
@@ -1442,19 +1404,8 @@ static void drm_legacy_vblank_post_modeset(struct drm_device *dev,
}
}
-/*
- * drm_modeset_ctl - handle vblank event counter changes across mode switch
- * @DRM_IOCTL_ARGS: standard ioctl arguments
- *
- * Applications should call the %_DRM_PRE_MODESET and %_DRM_POST_MODESET
- * ioctls around modesetting so that any lost vblank events are accounted for.
- *
- * Generally the counter will reset across mode sets. If interrupts are
- * enabled around this call, we don't have to do anything since the counter
- * will have already been incremented.
- */
-int drm_modeset_ctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int drm_legacy_modeset_ctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_modeset_ctl *modeset = data;
unsigned int pipe;