[PATCH] drm/radeon: properly program gart on rv740, juniper, cypress, barts

[Dave Airlie]

On Fri, Jun 1, 2012 at 8:37 AM, Paul Menzel
<paulepanter at users.sourceforge.net> wrote:
> Am Donnerstag, den 31.05.2012, 18:54 -0400 schrieb alexdeucher at gmail.com:
>> From: Alex Deucher <alexander.deucher at amd.com>
>>
>> Need to program an additional VM register.  This doesn't not currently
>> cause any problems, but allows us to program the proper backend
>> map in a subsequent patch which should improve performance on these
>> asics.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>> Cc: stable at vger.kernel.org
>> ---
>>  drivers/gpu/drm/radeon/evergreen.c  |    5 +++++
>>  drivers/gpu/drm/radeon/evergreend.h |    1 +
>>  drivers/gpu/drm/radeon/rv770.c      |    2 ++
>>  drivers/gpu/drm/radeon/rv770d.h     |    1 +
>>  4 files changed, 9 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
>> index 5d9c2c6..0408ac2 100644
>> --- a/drivers/gpu/drm/radeon/evergreen.c
>> +++ b/drivers/gpu/drm/radeon/evergreen.c
>> @@ -1029,6 +1029,11 @@ int evergreen_pcie_gart_enable(struct radeon_device *rdev)
>>               WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
>>               WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
>>               WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
>> +             if ((rdev->family == CHIP_JUNIPER) ||
>> +                 (rdev->family == CHIP_CYPRESS) ||
>> +                 (rdev->family == CHIP_HEMLOCK) ||
>
> Is rv740 in the commit summary Hemlock?
>

If you look further down you'll see the RV740 being programmed
separately in the rv770.c file.

Dave.