On 12/4/18 12:21 AM, Alex Deucher wrote:
Update switch limit on newer polaris variants. This may fix
flickering with high refresh rates with mclk switching enabled.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Junwei Zhang <jerry.zh...@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 5dcd21d29dbf..1f12fc7ea7c9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -2859,7 +2859,10 @@ static int smu7_vblank_too_short(struct pp_hwmgr *hwmgr,
case CHIP_POLARIS10:
case CHIP_POLARIS11:
case CHIP_POLARIS12:
- switch_limit_us = data->is_memory_gddr5 ? 190 : 150;
+ if (hwmgr->is_kicker)
+ switch_limit_us = data->is_memory_gddr5 ? 450 : 150;
+ else
+ switch_limit_us = data->is_memory_gddr5 ? 190 : 150;
break;
case CHIP_VEGAM:
switch_limit_us = 30;
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