[PATCH 01/10] drm/amd/display: Clear FAMS flag if FAMS doesn't reduce vlevel
Qingqing Zhuo
Qingqing.Zhuo at amd.com
Thu Mar 30 08:57:11 UTC 2023
From: Alvin Lee <Alvin.Lee2 at amd.com>
[Description]
- If we find that applying FAMS doesn't reduce the voltage level,
we will not use it
- Ensure to clear the stream flags indicating FAMS if we hit this
case
Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2 at amd.com>
---
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 1e26adf987cc..c252fdf2c0e8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -2002,6 +2002,10 @@ void dcn32_calculate_wm_and_dlg_fpu(struct dc *dc, struct dc_state *context,
* voltage level)
*/
context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching = false;
+ for (i = 0; i < context->stream_count; i++) {
+ if (context->streams[i])
+ context->streams[i]->fpo_in_use = false;
+ }
context->bw_ctx.dml.soc.fclk_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.fclk_change_latency_us;
dcn32_internal_validate_bw(dc, context, pipes, &pipe_cnt, &vlevel, false);
}
--
2.34.1
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