1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index b2c30b8d9816..fc040417e1e8 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -66,6 +66,7 @@ struct ipu_crtc {
         struct ipu_flip_work    *flip_work;
         int                     irq;
         u32                     bus_format;
+        u32                     bus_flags;
         int                     di_hsync_pin;
         int                     di_vsync_pin;
 };
@@ -271,8 +272,10 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc,
         else
                 sig_cfg.clkflags = 0;
 
-        sig_cfg.enable_pol = 1;
-        sig_cfg.clk_pol = 0;
+        sig_cfg.enable_pol = !(ipu_crtc->bus_flags & DRM_BUS_FLAG_DE_LOW);
+        /* Default to driving pixel data on negative clock edges */
+        sig_cfg.clk_pol = !!(ipu_crtc->bus_flags &
+                             DRM_BUS_FLAG_PIXDATA_POSEDGE);
         sig_cfg.bus_format = ipu_crtc->bus_format;
         sig_cfg.v_to_h_sync = 0;
         sig_cfg.hsync_pin = ipu_crtc->di_hsync_pin;
@@ -396,11 +399,12 @@ static void ipu_disable_vblank(struct drm_crtc *crtc)
 }
 
 static int ipu_set_interface_pix_fmt(struct drm_crtc *crtc,
-                u32 bus_format, int hsync_pin, int vsync_pin)
+                u32 bus_format, int hsync_pin, int vsync_pin, u32 bus_flags)
 {
         struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc);
 
         ipu_crtc->bus_format = bus_format;
+        ipu_crtc->bus_flags = bus_flags;
         ipu_crtc->di_hsync_pin = hsync_pin;
         ipu_crtc->di_vsync_pin = vsync_pin;