linux-kernel - [PATCH 5.16 081/227] drm/amd/pm: correct the sequence of sending gpu reset msg

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Date:   Mon, 21 Feb 2022 09:48:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yifan Zhang <yifan1.zhang@....com>,
        Aaron Liu <aaron.liu@....com>, Huang Rui <ray.huang@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.16 081/227] drm/amd/pm: correct the sequence of sending gpu reset msg

From: Yifan Zhang <yifan1.zhang@....com>

commit 9c4f59ea3f865693150edf0c91d1cc6b451360dd upstream.

the 2nd parameter should be smu msg type rather than asic msg index.

Fixes: 7d38d9dc4ecc ("drm/amdgpu: add mode2 reset support for yellow carp")
Signed-off-by: Yifan Zhang <yifan1.zhang@....com>
Acked-by: Aaron Liu <aaron.liu@....com>
Reviewed-by: Huang Rui <ray.huang@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
@@ -282,14 +282,9 @@ static int yellow_carp_post_smu_init(str
 
 static int yellow_carp_mode_reset(struct smu_context *smu, int type)
 {
-	int ret = 0, index = 0;
+	int ret = 0;
 
-	index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG,
-				SMU_MSG_GfxDeviceDriverReset);
-	if (index < 0)
-		return index == -EACCES ? 0 : index;
-
-	ret = smu_cmn_send_smc_msg_with_param(smu, (uint16_t)index, type, NULL);
+	ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset, type, NULL);
 	if (ret)
 		dev_err(smu->adev->dev, "Failed to mode reset!\n");