drm/mxsfb: Read bus flags from bridge if present (b1d06693) · Commits · 戴 / test

The bridge might have special requirmentes on the input bus. This is e.g. used by the imx-nwl bridge. Signed-off-by:

drivers/gpu/drm/mxsfb/mxsfb_crtc.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -209,7 +209,7 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)
		{
		struct drm_device *drm = mxsfb->pipe.crtc.dev;
		struct drm_display_mode *m = &mxsfb->pipe.crtc.state->adjusted_mode;
		const u32 bus_flags = mxsfb->connector->display_info.bus_flags;
		u32 bus_flags = mxsfb->connector->display_info.bus_flags;
		u32 vdctrl0, vsync_pulse_len, hsync_pulse_len;
		int err;

		@@ -233,6 +233,9 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)

		clk_set_rate(mxsfb->clk, m->crtc_clock * 1000);

		if (mxsfb->bridge && mxsfb->bridge->timings)
		bus_flags = mxsfb->bridge->timings->input_bus_flags;

		DRM_DEV_DEBUG_DRIVER(drm->dev, "Pixel clock: %dkHz (actual: %dkHz)\n",
		m->crtc_clock,
		(int)(clk_get_rate(mxsfb->clk) / 1000));