[PATCH v2 3/5] drm/fsl-dcu: do not transfer registers in mode_set_nofb

From: Stefan Agner
Date: Wed Oct 05 2016 - 17:47:36 EST


Do not schedule a transfer of mode settings early. Modes should
get applied on on CRTC enable where we also enable the pixel clock.

Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
---
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c | 2 --
1 file changed, 2 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 3371635..5ad1d68 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
@@ -116,8 +116,6 @@ 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;
}

--
2.10.0