diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2022-07-11 19:38:44 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-07-13 10:46:06 +0200 |
| commit | 68e4a69aec4dac161c620665693809b3e69db72f (patch) | |
| tree | a53cb6e9f1bd538363c63c028678af023eff4166 /drivers/gpu | |
| parent | 4a9551237d44cb051c0a3d7a18d11d6be27ef1d9 (diff) | |
| download | linux-68e4a69aec4dac161c620665693809b3e69db72f.tar.gz | |
drm/vc4: crtc: Create vblank reporting function
We'll need that code in the HVS driver, so let's create a shared function
to reuse it.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220711173939.1132294-15-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_crtc.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 1 |
2 files changed, 16 insertions, 8 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 029be98660b3..faad9e564772 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -544,6 +544,20 @@ int vc4_crtc_disable_at_boot(struct drm_crtc *crtc) return 0; } +void vc4_crtc_send_vblank(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + unsigned long flags; + + if (!crtc->state || !crtc->state->event) + return; + + spin_lock_irqsave(&dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + spin_unlock_irqrestore(&dev->event_lock, flags); +} + static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state) { @@ -567,14 +581,7 @@ static void vc4_crtc_atomic_disable(struct drm_crtc *crtc, * Make sure we issue a vblank event after disabling the CRTC if * someone was waiting it. */ - if (crtc->state->event) { - unsigned long flags; - - spin_lock_irqsave(&dev->event_lock, flags); - drm_crtc_send_vblank_event(crtc, crtc->state->event); - crtc->state->event = NULL; - spin_unlock_irqrestore(&dev->event_lock, flags); - } + vc4_crtc_send_vblank(crtc); } static void vc4_crtc_atomic_enable(struct drm_crtc *crtc, diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 950056b83843..de326cf10564 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -862,6 +862,7 @@ void vc4_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state); void vc4_crtc_reset(struct drm_crtc *crtc); void vc4_crtc_handle_vblank(struct vc4_crtc *crtc); +void vc4_crtc_send_vblank(struct drm_crtc *crtc); void vc4_crtc_get_margins(struct drm_crtc_state *state, unsigned int *left, unsigned int *right, unsigned int *top, unsigned int *bottom); |