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drm/radeon/kms: detect sideport memory on IGP chips

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This detects if the sideport memory is enabled and
if it is VRAM is evicted on suspend/resume.

This should fix s/r issues on some IGPs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-01-05 11:27:29 -05:00
committed by Dave Airlie
parent fc9a89f97e
commit 06b6476d6b
8 changed files with 64 additions and 3 deletions
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5
drivers/gpu/drm/radeon/radeon_object.c
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@@ -221,8 +221,9 @@ int radeon_bo_unpin(struct radeon_bo *bo)
int radeon_bo_evict_vram(struct radeon_device *rdev)
{
if (rdev->flags & RADEON_IS_IGP) {
/* Useless to evict on IGP chips */
return 0;
if (rdev->mc.igp_sideport_enabled == false)
/* Useless to evict on IGP chips */
return 0;
}
return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM);
}