On 01/13/2014 07:21 AM, Thierry Reding wrote: > The mask of possible CRTCs that an output (DRM encoder) can be attached > to is relative to the position within the DRM device's list of CRTCs. > Deferred probing can cause this to not match the pipe number associated > with a CRTC. Use the newly introduced drm_crtc_mask() to compute the > mask by looking up the proper index of the given CRTC in the list.
> diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c > @@ -258,7 +258,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct > tegra_dc *dc) > - rgb->output.encoder.possible_crtcs = 1 << dc->pipe; > + rgb->output.encoder.possible_crtcs = drm_crtc_mask(&dc->base); For me, on top of either next-20140109 or next-20140113, this causes: > drivers/gpu/drm/tegra/rgb.c: In function ?tegra_dc_rgb_init?: > drivers/gpu/drm/tegra/rgb.c:261:2: error: implicit declaration of function > ?drm_crtc_mask? [-Werror=implicit-function-declaration]
