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 | 11 |
1 files changed, 8 insertions, 3 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 62377e41745b..b36f815bd1d8 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -74,7 +74,7 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) struct drm_device *dev = crtc->dev; struct fsl_dcu_drm_device *fsl_dev = dev->dev_private; struct drm_display_mode *mode = &crtc->state->mode; - unsigned int hbp, hfp, hsw, vbp, vfp, vsw, div, index; + unsigned int hbp, hfp, hsw, vbp, vfp, vsw, div, index, pol = 0; unsigned long dcuclk; index = drm_crtc_index(crtc); @@ -89,6 +89,12 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) vfp = mode->vsync_start - mode->vdisplay; vsw = mode->vsync_end - mode->vsync_start; + if (mode->flags & DRM_MODE_FLAG_NHSYNC) + pol |= DCU_SYN_POL_INV_HS_LOW; + + if (mode->flags & DRM_MODE_FLAG_NVSYNC) + pol |= DCU_SYN_POL_INV_VS_LOW; + regmap_write(fsl_dev->regmap, DCU_HSYN_PARA, DCU_HSYN_PARA_BP(hbp) | DCU_HSYN_PARA_PW(hsw) | @@ -101,8 +107,7 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) DCU_DISP_SIZE_DELTA_Y(mode->vdisplay) | DCU_DISP_SIZE_DELTA_X(mode->hdisplay)); regmap_write(fsl_dev->regmap, DCU_DIV_RATIO, div); - regmap_write(fsl_dev->regmap, DCU_SYN_POL, - DCU_SYN_POL_INV_VS_LOW | DCU_SYN_POL_INV_HS_LOW); + regmap_write(fsl_dev->regmap, DCU_SYN_POL, pol); regmap_write(fsl_dev->regmap, DCU_BGND, DCU_BGND_R(0) | DCU_BGND_G(0) | DCU_BGND_B(0)); regmap_write(fsl_dev->regmap, DCU_DCU_MODE, |