| commit | 0586915ec10d0ae60de5cd3381ad25a704760402 | [log] [tgz] |
|---|---|---|
| author | Alex Deucher <alexander.deucher@amd.com> | Mon Mar 02 20:43:53 2015 -0500 |
| committer | Alex Deucher <alexander.deucher@amd.com> | Tue Mar 03 17:28:29 2015 -0500 |
| tree | 9c26c25c4633a8babca899366cfa5c9086e009bd | |
| parent | c320bb5f6dc0cb88a811cbaf839303e0a3916a92 [diff] [blame] |
drm/radeon: do a posting read in si_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/si.c b/drivers/gpu/drm/radeon/si.c index bcf516a..e088e55 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c
@@ -6203,6 +6203,9 @@ WREG32(CG_THERMAL_INT, thermal_int); + /* posting read */ + RREG32(SRBM_STATUS); + return 0; }