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drm/radeon/kms: add backend map workaround for barts

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Same as Cypress.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-01-06 21:19:25 -05:00 committed by Dave Airlie
parent adb68fa2f7
commit 03f4009055
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/radeon/evergreen.c
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@ -1862,6 +1862,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
switch (rdev->family) {
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
case CHIP_BARTS:
gb_backend_map = 0x66442200;
break;
case CHIP_JUNIPER: