diff options
| author | Guido Günther <agx@sigxcpu.org> | 2019-07-26 11:49:12 +0200 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:58:58 +0800 |
| commit | 873e3b8dfdf03eaade75764c47a4e64dad733c55 (patch) | |
| tree | fb2a77088a4f5fd0783dcd0d5890dcc168f48bb2 /drivers/gpu/drm/mxsfb/mxsfb_crtc.c | |
| parent | c16e4a933f9c415a85320fb1af9dac99238192df (diff) | |
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@sigxcpu.org>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 5 |
1 files changed, 4 insertions, 1 deletions
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)); |