[PATCH AUTOSEL 4.19 109/258] drm/amdgpu/powerplay: fix clock stretcher limits on polaris (v2)

Sasha Levin sashal at kernel.org
Mon Jan 28 15:56:55 UTC 2019


From: Alex Deucher <alexander.deucher at amd.com>

[ Upstream commit de4aaab5cc9770a8c4dc13d9bfb6a83b06bba57e ]

Adjust limits for newer polaris variants.

v2: fix polaris11 kicker (Jerry)

Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 .../drm/amd/powerplay/smumgr/polaris10_smumgr.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 5b67f575cd34..45629f26dbc2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -1528,8 +1528,21 @@ static int polaris10_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
 	efuse = efuse >> 24;
 
 	if (hwmgr->chip_id == CHIP_POLARIS10) {
-		min = 1000;
-		max = 2300;
+		if (hwmgr->is_kicker) {
+			min = 1200;
+			max = 2500;
+		} else {
+			min = 1000;
+			max = 2300;
+		}
+	} else if (hwmgr->chip_id == CHIP_POLARIS11) {
+		if (hwmgr->is_kicker) {
+			min = 900;
+			max = 2100;
+		} else {
+			min = 1100;
+			max = 2100;
+		}
 	} else {
 		min = 1100;
 		max = 2100;
-- 
2.19.1



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