linux-kernel - [PATCH 5.7 143/166] drm/amdgpu: asd function needs to be unloaded in suspend phase

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Date:   Tue, 14 Jul 2020 20:45:08 +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, Huang Rui <ray.huang@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.7 143/166] drm/amdgpu: asd function needs to be unloaded in suspend phase

From: Huang Rui <ray.huang@....com>

commit 20303ec5d2165ee6344190274bc59118921f71d9 upstream.

Unload ASD function in suspend phase.

Signed-off-by: Huang Rui <ray.huang@....com>
Reviewed-by: Alex Deucher <alexander.deucher@....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/amdgpu/amdgpu_psp.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1685,6 +1685,12 @@ static int psp_suspend(void *handle)
 		return ret;
 	}
 
+	ret = psp_asd_unload(psp);
+	if (ret) {
+		DRM_ERROR("Failed to unload asd\n");
+		return ret;
+	}
+
 	ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
 	if (ret) {
 		DRM_ERROR("PSP ring stop failed\n");