linux-kernel - [PATCH 5.14 423/432] drm/amd/display: Update number of DCN3 clock states

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Message-Id: <20210916155825.172597176@linuxfoundation.org>
Date:   Thu, 16 Sep 2021 18:02:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.14 423/432] drm/amd/display: Update number of DCN3 clock states

From: Aurabindo Pillai <aurabindo.pillai@....com>

commit 0bbf06d888734041e813b916d7821acd4f72005a upstream.

[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@...r.kernel.org
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@....com>
Acked-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c |    1 +
 1 file changed, 1 insertion(+)

--- 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
 			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];