[PATCH] drm/radeon/kms/pm: bail early if nothing's changing

On Fri, Aug 13, 2010 at 10:53 AM, Alex Deucher wrote: > If we aren't changing the power state, no need to take > locks and schedule fences, etc. > > There seem to be lock ordering issues in the CP and > fence code in some cases; see bug 29140 below. > > Fixes: > https://bugs.freedesktop.org/show_b

Re: [PATCH] drm/radeon/kms/pm: bail early if nothing's changing

On Fri, Aug 13, 2010 at 10:53 AM, Alex Deucher wrote: > If we aren't changing the power state, no need to take > locks and schedule fences, etc. > > There seem to be lock ordering issues in the CP and > fence code in some cases; see bug 29140 below. > > Fixes: > https://bugs.freedesktop.org/show_b

[PATCH] drm/radeon/kms/pm: bail early if nothing's changing

If we aren't changing the power state, no need to take locks and schedule fences, etc. There seem to be lock ordering issues in the CP and fence code in some cases; see bug 29140 below. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29140 Possibly also: https://bugzilla.kernel.org/show_bug.c

[PATCH] drm/radeon/kms/pm: bail early if nothing's changing

If we aren't changing the power state, no need to take locks and schedule fences, etc. There seem to be lock ordering issues in the CP and fence code in some cases; see bug 29140 below. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29140 Possibly also: https://bugzilla.kernel.org/show_bug.c