Blob Blame History Raw
From 4d63fbff0ab89de3e06e0dd9c273621ac8a58e94 Mon Sep 17 00:00:00 2001
From: Aurabindo Pillai <aurabindo.pillai@amd.com>
Date: Tue, 24 Aug 2021 15:10:50 -0400
Subject: drm/amd/display: Update number of DCN3 clock states
Git-commit: 0bbf06d888734041e813b916d7821acd4f72005a
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

[Why & How]
The DCN3 SoC parameter num_states was calculated but not saved into the
object.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1403
Cc: stable@vger.kernel.org
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 1 +
 1 file changed, 1 insertion(+)

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 28e15ebf2f43..2de516391962 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -2467,6 +2467,7 @@ void dcn30_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_params
 			dram_speed_mts[num_states++] = bw_params->clk_table.entries[j++].memclk_mhz * 16;
 		}
 
+		dcn3_0_soc.num_states = num_states;
 		for (i = 0; i < dcn3_0_soc.num_states; i++) {
 			dcn3_0_soc.clock_limits[i].state = i;
 			dcn3_0_soc.clock_limits[i].dcfclk_mhz = dcfclk_mhz[i];
-- 
2.38.1