From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D94CE2DC783; Mon, 17 Aug 2026 14:34:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786977258; cv=none; b=XUjpJgnMkJSxMDlUk0c05FxFkgvXNyI1sokEVYI9b3dvL6CzWz1VqXO2S3IoU3dB3v4IP0+QME4trX+qJm6wNesVp/yMvpj0nPC1c5dlkt7upw5reQtNarP+cMJdX9tddUL4zQ95BEGe1nO8IBpeyQ/M66jewz+doWT3Lgz9LM8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786977258; c=relaxed/simple; bh=Rc/odrJdqhkogeQxePBboLPLNnBxOoXVc3MOj2JmjCw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XzTASjRxP54MhhTXQlWIwicrS2HccRyzLLJOMHSlkvqh75Kd8Ik/BESTYJnnx0rCC8X3jGo+1mDaOfd6o1TLJPaGOI8+YjCxB4owdlNzoxa7obJZYLFY1FfuN02dqrk/UAx2/Y40JVuBPcGnc8tRuK8MjsjcvTrtFdaaFgYOMEw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ARt3fR12; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ARt3fR12" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 022E61F000E9; Mon, 17 Aug 2026 14:34:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786977257; bh=utrRB4H873WXcS0swQl4DmoEFHV7Gxg45r1ekZUcdqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ARt3fR124qbWzOo1Fk9BnGPrL5Wjfc/XDSSbe4FA6Ru1RsSvDdFWg2zifD8419lDO G2hnsOHbitVDWJ1Idorb5bXTGBFK7+9z5qc3X0kBEqM6n8EsTuWdvdNosaU4B9KIDY 3RlrZyiLtNi6iLmxJTD3X1f0D2oiZKn+IFFj1WJk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ce Sun , Tao Zhou , Alex Deucher Subject: [PATCH 5.15 230/456] drm/amdgpu: invoke pm_genpd_remove() before freeing genpd Date: Mon, 17 Aug 2026 15:30:20 +0200 Message-ID: <20260817132549.116141762@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260817132539.792407575@linuxfoundation.org> References: <20260817132539.792407575@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ce Sun commit 28c9b3c5dc35cc790d11e26ca3fc6e068be63998 upstream. 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 Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -466,7 +466,9 @@ static int acp_hw_fini(void *handle) mfd_remove_devices(adev->acp.parent); 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 0;