From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 4 Oct 2011 14:46:34 +0000 (-0400)
Subject: drm/radeon/kms: fix channel_remap setup (v2)
X-Git-Tag: v3.1-rc9~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=12d5180bd7e683a4ae80830b82ba67e7b7fac7b2;p=pandora-kernel.git

drm/radeon/kms: fix channel_remap setup (v2)

Most asics just use the hw default value which requires
no explicit programming.  For those that need a different
value, the vbios will program it properly.  As such,
there's no need to program these registers explicitly
in the driver.  Changing MC_SHARED_CHREMAP requires a reload
of all data in vram otherwise its contents will be scambled.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=40103

v2: drop now unused channel_remap functions.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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