From b1d066930606cf2cbfb1c32b53cc2d7577754eff Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Guido=20G=C3=BCnther?= Date: Thu, 29 Aug 2019 14:30:03 +0300 Subject: drm/mxsfb: Read bus flags from bridge if present MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The bridge might have special requirmentes on the input bus. This is e.g. used by the imx-nwl bridge. Signed-off-by: Guido Günther Reviewed-by: Stefan Agner Signed-off-by: Stefan Agner Link: https://patchwork.freedesktop.org/patch/msgid/1567078215-31601-3-git-send-email-robert.chiras@nxp.com --- drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c index de09b93e60ea..b69ace8bf526 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c @@ -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)); -- cgit v1.2.1