From: Alvin Lee <alvin.lee2@xxxxxxx>
[Why]
If full pstate is not supported, we should set WM set A
to 0 to prevent any hangs
[How]
If pstate is not supported, set watermark set A to 0
Signed-off-by: Alvin Lee <alvin.lee2@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index beaa6b9ae752..8a4eb8e1386c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -2313,7 +2313,7 @@ void dcn30_calculate_wm_and_dlg(
* calculate DLG based on dummy p-state latency, and max out the set A p-state watermark
*/
context->bw_ctx.bw.dcn.watermarks.a = context->bw_ctx.bw.dcn.watermarks.c;
- context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0x13FFFF;
+ context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0;
} else {
/* Set A:
* DCFCLK: Min Required
--
2.25.1
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