From 28c9b3c5dc35cc790d11e26ca3fc6e068be63998 Mon Sep 17 00:00:00 2001 From: Ce Sun Date: Mon, 22 Jun 2026 22:58:16 +0800 Subject: [PATCH] drm/amdgpu: invoke pm_genpd_remove() before freeing genpd Call pm_genpd_remove() to unregister from global list prior to releasing acp_genpd memory, and clear the pointer after free. Signed-off-by: Ce Sun Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher (cherry picked from commit cd8650d7a91ee8b768e202354672553faa5cc1f2) Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index f04b2d63c59a..9014678d75ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -560,7 +560,9 @@ static int acp_hw_fini(struct amdgpu_ip_block *ip_block) mfd_remove_devices(adev->acp.parent); kfree(adev->acp.i2s_pdata); kfree(adev->acp.acp_res); + pm_genpd_remove(&adev->acp.acp_genpd->gpd); kfree(adev->acp.acp_genpd); + adev->acp.acp_genpd = NULL; kfree(adev->acp.acp_cell); return ret;