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authorAlex Deucher <alexdeucher@gmail.com>2010-01-05 11:27:29 -0500
committerDave Airlie <airlied@redhat.com>2010-01-08 13:08:56 +1000
commit06b6476d6b291473d0928ed242158a001d50c0f0 (patch)
treea3ffaddfc117b839073ac5c8c52fdf9415a7947e /drivers/gpu/drm/radeon/r600.c
parentfc9a89f97e532152ae614d5ce717b81c8f8b0e91 (diff)
drm/radeon/kms: detect sideport memory on IGP chips
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>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5c6058c6ddd..921926f3d1f 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -726,6 +726,10 @@ int r600_mc_init(struct radeon_device *rdev)
a.full = rfixed_const(100);
rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+
+ if (rdev->flags & RADEON_IS_IGP)
+ rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+
return 0;
}