[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <9390060f65f94722cb13101d4835d9048037f7a0.1564134488.git.agx@sigxcpu.org>
Date: Fri, 26 Jul 2019 11:49:12 +0200
From: Guido Günther <agx@...xcpu.org>
To: Robert Chiras <robert.chiras@....com>, Marek Vasut <marex@...x.de>,
Stefan Agner <stefan@...er.ch>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
dri-devel@...ts.freedesktop.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] drm/mxsfb: Read bus flags from bridge if present
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 <agx@...xcpu.org>
---
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 e84bac3a541d..3b8eb3ac13b6 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
@@ -215,7 +215,7 @@ 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;
@@ -239,6 +239,9 @@ 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));
--
2.20.1
Powered by blists - more mailing lists