From: Dillon Varone <Dillon.Varone@amd.com>
Date: Wed, 4 Jan 2023 16:00:31 +0000 (-0500)
Subject: drm/amd/display: Disable MALL SS and messages for PSR supported configs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0bed85e48af1a1a2851f44bd4c486bff414f1079;p=linux.git

drm/amd/display: Disable MALL SS and messages for PSR supported configs

[Description]
The two features are not supported at the same time in driver at this time,
so disable it.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
index 3b44006e1a80d..56c90752df6db 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -247,6 +247,13 @@ bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
 	if (!dc->ctx->dmub_srv)
 		return false;
 
+	for (i = 0; i < dc->current_state->stream_count; i++) {
+		/* MALL SS messaging is not supported with PSR at this time */
+		if (dc->current_state->streams[i] != NULL &&
+				dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
+			return false;
+	}
+
 	if (enable) {
 		if (dc->current_state) {