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drm/radeon: do a posting read in evergreen_set_irq
[pandora-kernel.git]
/
drivers
/
gpu
/
drm
/
radeon
/
evergreen.c
diff --git
a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index
9b3f787
..
5d78973
100644
(file)
--- a/
drivers/gpu/drm/radeon/evergreen.c
+++ b/
drivers/gpu/drm/radeon/evergreen.c
@@
-2631,6
+2631,9
@@
int evergreen_irq_set(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, hpd5);
WREG32(DC_HPD6_INT_CONTROL, hpd6);
+ /* posting read */
+ RREG32(SRBM_STATUS);
+
return 0;
}