Hi Ville, 2015-11-13 Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>: > On Fri, Nov 13, 2015 at 11:45:58AM -0200, Gustavo Padovan wrote: > > From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx> > > > > Fixes an regression added by 3ae2436 (drm/exynos/mixer: replace > > direct cross-driver call with drm mode) and while this regression was > > caused by a change in the exynos driver it makes sense to add the > > check on atomic core to benefit other drivers as well. > > > > The whole atomic update fails if the exynos hdmi display is not > > present/active. Add a test to only run atomic_check() if the CRTC is > > active. > > The check must be performed even when the crtc is not active. > > Especially important for the (enabled && !active) case (ie. DPMS off) > since "DPMS on" must not fail, so any state change while in DPMS off > must be checked as if the crtc was active. > > But even for the !enabled case we want to do the check so that > everything gets properly recomputed when fully disabling a crtc. You are right. I'll fix this locally in exynos for now. Gustavo -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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