Bug 104811

Summary:	Support Gamma Controls in Modesetting Driver
Product:	xorg	Reporter:	Luke <lukebenes>
Component:	Driver/modesetting	Assignee:	Xorg Project Team <xorg-team>
Status:	RESOLVED FIXED	QA Contact:	Xorg Project Team <xorg-team>
Severity:	normal
Priority:	medium
Version:	unspecified
Hardware:	Other
OS:	All
See Also:	https://bugs.freedesktop.org/show_bug.cgi?id=27222
Whiteboard:
i915 platform:		i915 features:

Description Luke 2018-01-27 16:44:06 UTC

The modesetting driver is missing gamma support

Steps to reproduce:
1. With modesetting driver installed, Launch any SDL game such as OpenArena or Urban Terror
2. Adjust gamma settings

Expected Results:
Game world is visible

Actual Results:
Gamma levels do not change leaving all games too dark to play


In my testing, Nvidia proprietary, xf86-video-intel, xf86-video-ati, and xf86-video-nouveau all support gamma controls. Only modesetting seems to lack this essental feature for playing SDL based games.

Comment 1 Michel Dänzer 2018-01-30 09:10:44 UTC

Fixed with https://cgit.freedesktop.org/xorg/xserver/commit/?id=ac138f9b31b0fba00742edbc3326afe66e28099a

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