[PATCH 3.14 192/203] drm/radeon/dpm: disable ulv support on SI

From: Greg Kroah-Hartman
Date: Tue Nov 11 2014 - 20:48:17 EST


3.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit 6fa455935ab956248b165f150ec6ae9106210077 upstream.

Causes problems on some boards.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=82889

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/radeon/si_dpm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -6200,7 +6200,7 @@ static void si_parse_pplib_clock_info(st
if ((rps->class2 & ATOM_PPLIB_CLASSIFICATION2_ULV) &&
index == 0) {
/* XXX disable for A0 tahiti */
- si_pi->ulv.supported = true;
+ si_pi->ulv.supported = false;
si_pi->ulv.pl = *pl;
si_pi->ulv.one_pcie_lane_in_ulv = false;
si_pi->ulv.volt_change_delay = SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT;


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