diff options
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_composer.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index b8b060354667..4f3b07a32b60 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -233,6 +233,22 @@ int vkms_verify_crc_source(struct drm_crtc *crtc, const char *src_name, return 0; } +static void vkms_set_composer(struct vkms_output *out, bool enabled) +{ + bool old_enabled; + + if (enabled) + drm_crtc_vblank_get(&out->crtc); + + spin_lock_irq(&out->lock); + old_enabled = out->composer_enabled; + out->composer_enabled = enabled; + spin_unlock_irq(&out->lock); + + if (old_enabled) + drm_crtc_vblank_put(&out->crtc); +} + int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name) { struct vkms_output *out = drm_crtc_to_vkms_output(crtc); @@ -241,9 +257,7 @@ int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name) ret = vkms_crc_parse_source(src_name, &enabled); - spin_lock_irq(&out->lock); - out->composer_enabled = enabled; - spin_unlock_irq(&out->lock); + vkms_set_composer(out, enabled); return ret; } |