diff options
Diffstat (limited to 'drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c index deb57435cc89..cc4e944a1d3c 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -137,6 +137,30 @@ static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = { .mode_set_nofb = fsl_dcu_drm_crtc_mode_set_nofb, }; +static int fsl_dcu_drm_crtc_enable_vblank(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; + unsigned int value; + + regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value); + value &= ~DCU_INT_MASK_VBLANK; + regmap_write(fsl_dev->regmap, DCU_INT_MASK, value); + + return 0; +} + +static void fsl_dcu_drm_crtc_disable_vblank(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; + unsigned int value; + + regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value); + value |= DCU_INT_MASK_VBLANK; + regmap_write(fsl_dev->regmap, DCU_INT_MASK, value); +} + static const struct drm_crtc_funcs fsl_dcu_drm_crtc_funcs = { .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, @@ -144,6 +168,8 @@ static const struct drm_crtc_funcs fsl_dcu_drm_crtc_funcs = { .page_flip = drm_atomic_helper_page_flip, .reset = drm_atomic_helper_crtc_reset, .set_config = drm_atomic_helper_set_config, + .enable_vblank = fsl_dcu_drm_crtc_enable_vblank, + .disable_vblank = fsl_dcu_drm_crtc_disable_vblank, }; int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev) |