| commit | 9d1393f23d5656cdd5f368efd60694d4aeed81d3 | [log] [tgz] |
|---|---|---|
| author | Alex Deucher <alexander.deucher@amd.com> | Mon Mar 02 20:41:31 2015 -0500 |
| committer | Alex Deucher <alexander.deucher@amd.com> | Tue Mar 03 17:28:27 2015 -0500 |
| tree | af0a06a0f71032a7b1eb732f198b750f78c112d3 | |
| parent | 54acf107e4e66d1f4a697e08a7f60dba9fcf07c3 [diff] [blame] |
drm/radeon: do a posting read in r600_set_irq To make sure the writes go through the pci bridge. bug: https://bugzilla.kernel.org/show_bug.cgi?id=90741 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 07a71a2..2fcad34 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c
@@ -3784,6 +3784,9 @@ WREG32(RV770_CG_THERMAL_INT, thermal_int); } + /* posting read */ + RREG32(R_000E50_SRBM_STATUS); + return 0; }