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author | Alex Deucher <alexander.deucher@amd.com> | 2016-10-10 12:42:33 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 14:38:33 -0400 |
commit | ec9aaaff66668217c0c5634d062b350429d8cfd2 (patch) | |
tree | f904aff8809fb2a7c3f4c80cb3ad9986f30b4cd3 | |
parent | a0a71e49f533fe67c71abd5f3a0adf2fd10769f2 (diff) | |
download | linux-ec9aaaff66668217c0c5634d062b350429d8cfd2.tar.bz2 |
drm/radeon: clarify why we evict vram twice on suspend
Update the comment to explain why we do this.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index eb92aef46e3c..79c9b6f3f013 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1651,7 +1651,10 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, radeon_suspend(rdev); radeon_hpd_fini(rdev); - /* evict remaining vram memory */ + /* evict remaining vram memory + * This second call to evict vram is to evict the gart page table + * using the CPU. + */ radeon_bo_evict_vram(rdev); radeon_agp_suspend(rdev); |