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authorStefan Agner <stefan@agner.ch>2016-10-05 14:37:57 -0700
committerStefan Agner <stefan@agner.ch>2016-10-19 17:02:59 -0700
commit9789037695018e25902469ea0e540c07580b940f (patch)
tree14d5dc8e8eaff89dc4c1bb2421dcaee633047f48
parentb6ead864ea893ef55828be0ec0d6c10f7c1c4e30 (diff)
downloadlinux-9789037695018e25902469ea0e540c07580b940f.tar.gz
drm/fsl-dcu: do not transfer registers in mode_set_nofb
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@agner.ch> Tested-By: Meng Yi <meng.yi@nxp.com>
-rw-r--r--drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c2
1 files changed, 0 insertions, 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 3371635cd4d70..5ad1d68c8194a 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;
}