drm/radeon: skip async dma init on r6xx
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 27 Jan 2014 15:59:51 +0000 (10:59 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 29 Jan 2014 20:23:04 +0000 (15:23 -0500)
commitb9ace36f13c6fc46391c9d40edc648eef3a59ab0
tree13f85bf9e838463852ec77d7cb260036600555c7
parent9babd35ad72af631547c7ca294bc2e931cc40e58
drm/radeon: skip async dma init on r6xx

The hw is buggy and it's not currently used, but it's
currently still initialized by the driver.  Skip the init.
Skipping init also seems to improve stability with dpm on
some r6xx asics.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=66963

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/radeon_cs.c