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 | 17 |
1 files changed, 13 insertions, 4 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 3371635cd4d7..deb57435cc89 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -25,8 +25,13 @@ static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { + struct drm_device *dev = crtc->dev; + struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; struct drm_pending_vblank_event *event = crtc->state->event; + regmap_write(fsl_dev->regmap, + DCU_UPDATE_MODE, DCU_UPDATE_MODE_READREG); + if (event) { crtc->state->event = NULL; @@ -39,11 +44,15 @@ static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc, } } -static void fsl_dcu_drm_disable_crtc(struct drm_crtc *crtc) +static void fsl_dcu_drm_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state) { struct drm_device *dev = crtc->dev; struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; + /* always disable planes on the CRTC */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); + drm_crtc_vblank_off(crtc); regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE, @@ -51,6 +60,7 @@ static void fsl_dcu_drm_disable_crtc(struct drm_crtc *crtc) DCU_MODE_DCU_MODE(DCU_MODE_OFF)); regmap_write(fsl_dev->regmap, DCU_UPDATE_MODE, DCU_UPDATE_MODE_READREG); + clk_disable_unprepare(fsl_dev->pix_clk); } static void fsl_dcu_drm_crtc_enable(struct drm_crtc *crtc) @@ -58,6 +68,7 @@ static void fsl_dcu_drm_crtc_enable(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; + clk_prepare_enable(fsl_dev->pix_clk); regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE, DCU_MODE_DCU_MODE_MASK, DCU_MODE_DCU_MODE(DCU_MODE_NORMAL)); @@ -116,14 +127,12 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) DCU_THRESHOLD_LS_BF_VS(BF_VS_VAL) | DCU_THRESHOLD_OUT_BUF_HIGH(BUF_MAX_VAL) | DCU_THRESHOLD_OUT_BUF_LOW(BUF_MIN_VAL)); - regmap_write(fsl_dev->regmap, DCU_UPDATE_MODE, - DCU_UPDATE_MODE_READREG); return; } static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = { + .atomic_disable = fsl_dcu_drm_crtc_atomic_disable, .atomic_flush = fsl_dcu_drm_crtc_atomic_flush, - .disable = fsl_dcu_drm_disable_crtc, .enable = fsl_dcu_drm_crtc_enable, .mode_set_nofb = fsl_dcu_drm_crtc_mode_set_nofb, }; |