diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-05-27 14:11:34 +0300 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-05-29 13:58:11 +0300 |
commit | 6015002ece38dac85a373f041e0302781de7474b (patch) | |
tree | 3d7308ef59d128562e6c3bd6e25f89ecc28393ac | |
parent | 269cb04a40231a9a37e43f67cdfcdd7171c6bbc2 (diff) | |
download | linux-6015002ece38dac85a373f041e0302781de7474b.tar.xz |
drm: use drm_dev_has_vblank more
For historical reasons it's called dev->num_crtcs, which is rather
confusing ever since kms was added. But now we have a nice helper, so
let's use it for better readability!
Only code change is in atomic helpers: vblank support means that
dev->irq_enabled must be set too. Another one of these quirky things
... But since it's implied we can simplify that check.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200527111134.1571781-1-daniel.vetter@ffwll.ch
-rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_irq.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_vblank.c | 14 |
3 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 85d163f16801..a1898c58ae3c 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1097,7 +1097,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state) else if (funcs->dpms) funcs->dpms(crtc, DRM_MODE_DPMS_OFF); - if (!(dev->irq_enabled && dev->num_crtcs)) + if (!drm_dev_has_vblank(dev)) continue; ret = drm_crtc_vblank_get(crtc); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 588be45abd7a..09d6e9e2e075 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -181,7 +181,7 @@ int drm_irq_uninstall(struct drm_device *dev) * vblank/irq handling. KMS drivers must ensure that vblanks are all * disabled when uninstalling the irq handler. */ - if (dev->num_crtcs) { + if (drm_dev_has_vblank(dev)) { spin_lock_irqsave(&dev->vbl_lock, irqflags); for (i = 0; i < dev->num_crtcs; i++) { struct drm_vblank_crtc *vblank = &dev->vblank[i]; diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c index 8837bebc7e13..e2beacafaa28 100644 --- a/drivers/gpu/drm/drm_vblank.c +++ b/drivers/gpu/drm/drm_vblank.c @@ -604,7 +604,7 @@ void drm_calc_timestamping_constants(struct drm_crtc *crtc, int linedur_ns = 0, framedur_ns = 0; int dotclock = mode->crtc_clock; - if (!dev->num_crtcs) + if (!drm_dev_has_vblank(dev)) return; if (WARN_ON(pipe >= dev->num_crtcs)) @@ -1064,7 +1064,7 @@ void drm_crtc_send_vblank_event(struct drm_crtc *crtc, unsigned int pipe = drm_crtc_index(crtc); ktime_t now; - if (dev->num_crtcs > 0) { + if (drm_dev_has_vblank(dev)) { seq = drm_vblank_count_and_time(dev, pipe, &now); } else { seq = 0; @@ -1136,7 +1136,7 @@ static int drm_vblank_get(struct drm_device *dev, unsigned int pipe) unsigned long irqflags; int ret = 0; - if (!dev->num_crtcs) + if (!drm_dev_has_vblank(dev)) return -EINVAL; if (WARN_ON(pipe >= dev->num_crtcs)) @@ -1505,7 +1505,7 @@ static void drm_legacy_vblank_pre_modeset(struct drm_device *dev, struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; /* vblank is not initialized (IRQ not installed ?), or has been freed */ - if (!dev->num_crtcs) + if (!drm_dev_has_vblank(dev)) return; if (WARN_ON(pipe >= dev->num_crtcs)) @@ -1532,7 +1532,7 @@ static void drm_legacy_vblank_post_modeset(struct drm_device *dev, unsigned long irqflags; /* vblank is not initialized (IRQ not installed ?), or has been freed */ - if (!dev->num_crtcs) + if (!drm_dev_has_vblank(dev)) return; if (WARN_ON(pipe >= dev->num_crtcs)) @@ -1557,7 +1557,7 @@ int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data, unsigned int pipe; /* If drm_vblank_init() hasn't been called yet, just no-op */ - if (!dev->num_crtcs) + if (!drm_dev_has_vblank(dev)) return 0; /* KMS drivers handle this internally */ @@ -1895,7 +1895,7 @@ bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe) unsigned long irqflags; bool disable_irq; - if (WARN_ON_ONCE(!dev->num_crtcs)) + if (WARN_ON_ONCE(!drm_dev_has_vblank(dev))) return false; if (WARN_ON(pipe >= dev->num_crtcs)) |