diff options
| author | Guido Günther <agx@sigxcpu.org> | 2019-08-29 14:30:03 +0300 |
|---|---|---|
| committer | Stefan Agner <stefan@agner.ch> | 2019-10-14 23:19:32 +0300 |
| commit | b1d066930606cf2cbfb1c32b53cc2d7577754eff (patch) | |
| tree | 0daaac40831297f63c134e54a851236fa724d541 /drivers/gpu/drm/mxsfb | |
| parent | d02340436695cbf6920ae1aaaed8afdc8635468d (diff) | |
| download | linux-b1d066930606cf2cbfb1c32b53cc2d7577754eff.tar.xz | |
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>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1567078215-31601-3-git-send-email-robert.chiras@nxp.com
Diffstat (limited to 'drivers/gpu/drm/mxsfb')
| -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)); |