[PATCH] drm/radeon/atom: powergating fixes for DCE6

[Paul Menzel]

Dear Alex,


Am Montag, den 27.08.2012, 16:25 -0400 schrieb alexdeucher at gmail.com:
> From: Alex Deucher <alexander.deucher at amd.com>
> 
> Power gating is per crtc pair, but the powergating registers
> should be called individually.  The hw handles power up/down
> properly.  The pair is powered up if either crtc in the pair
> is powered up and the pair is not powered down until both
> crtcs in the pair are powered down.  This simplifies
> programming and should save power additional power.

it would be nice, if you could provide some numbers if the last
statement is true.

> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Cc: stable at vger.kernel.org
>
> ---
>  drivers/gpu/drm/radeon/atombios_crtc.c |   22 ++--------------------
>  1 files changed, 2 insertions(+), 20 deletions(-)

[…]

Acked-by: Paul Menzel <paulepanter at users.sourceforge.net>


Thanks,

Paul
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