From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Agner Subject: Re: [PATCH v4 02/14] drm/mxsfb: Read bus flags from bridge if present Date: Mon, 14 Oct 2019 22:24:51 +0200 Message-ID: References: <1567078215-31601-1-git-send-email-robert.chiras@nxp.com> <1567078215-31601-3-git-send-email-robert.chiras@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1567078215-31601-3-git-send-email-robert.chiras@nxp.com> Sender: linux-kernel-owner@vger.kernel.org To: Robert Chiras Cc: =?UTF-8?Q?Guido_G=C3=BCnther?= , Marek Vasut , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Shawn Guo , Sascha Hauer , Fabio Estevam , Pengutronix Kernel Team , NXP Linux Team , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On 2019-08-29 13:30, Robert Chiras wrote: > From: Guido Günther > > 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 Applied to the drm-misc-next branch. I decided to apply those two since they are independent from the rest. You can drop them in the next spin of the rest. -- Stefan > --- > 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 de09b93..b69ace8 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));