Reviewed-by: Samuel Li <samuel.li@xxxxxxx> On 2018-11-28 3:20 a.m., Daniel Vetter wrote: > On Wed, Nov 28, 2018 at 08:17:04AM +0100, Maarten Lankhorst wrote: >> Op 27-11-18 om 18:34 schreef Daniel Vetter: >>> KMS drivers really should all be able to restore their display state >>> on resume without fbcon helping out. So make this the default. >>> >>> Since I'm not entirely foolish, make it only a default, which drivers >>> can still override. That way when the inevitable regression report >>> happens I can fix things up with a one-liner plus FIXME comment that >>> someone should fix up the suspend/resume code in that driver. >>> >>> But at least all new drivers won't be broken by accident as soon as >>> you turn off fbcon because "suspend/resume worked when I tested it". >>> >>> v2: Keep this for radeon because of >>> >>> commit 18c437caa5b18a235dd65cec224eab54bebcee65 >>> Author: Alex Deucher <alexander.deucher@xxxxxxx> >>> Date: Tue Nov 14 17:19:29 2017 -0500 >>> >>> Revert "drm/radeon: dont switch vt on suspend" >>> >>> Thanks to Michel Dänzer for pointing this one out. >> >> Maybe just reload the gamma lut on resume for radeon, instead of relying on fbcon? > > It also caused random sound issues and other fun. Also, afaiui radeon does > load the lut. Except because of timing or bad luck, it doesn't work > reliably, and the vt switch doing it a 2nd time helps out. > -Daniel > >> Otherwise patch looks sane, would be nice if radeon was fixed instead of worked around. >> >> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
