From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1A1231F1932; Tue, 6 Jan 2026 17:41:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767721290; cv=none; b=RoMnWiTuLKUBKp+CSXDmusA00mJQocJOFOPEW09peSSg5KIKGUFxOaUeqKUKMo8ftHAUfqPlJ+RDIRytUrx63aHQULZm83Ku7VRGl7pdfJIWmmBe3itY8TGLVoLinqAI4PlAnIisRn5lOGYc3fAiBANosIt8smHzMipcWL/s5SM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767721290; c=relaxed/simple; bh=w+luoWE+cg4S/yoJJ0J/DdDdd3l3f76OJw0cwrN4aBg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o2P0DTWUvxv8r0RBOMtLw5RvnHqzwWhZjwvDHDTvtncUANv890uJiN5kh2+k39MMcRpCHrbC3kc0y8hNiLnUCD0stViPMPR3jKYmhn6AS4rhB0z/e14YMYKLA8nY3J+Eu8+lEXLy841X05skNd8Jr7v8TXtrjByVJKglF1BtLgA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=p97jnFWO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="p97jnFWO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C3CDC116C6; Tue, 6 Jan 2026 17:41:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1767721290; bh=w+luoWE+cg4S/yoJJ0J/DdDdd3l3f76OJw0cwrN4aBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p97jnFWOTvtIxqghwkoJ5SM2lLz7scdF16vXR9xzEEfZp5fySC/39p1em0PpqnoxN nNDrP6nsDRGPRYqIvjzKIiI92yMKMy0bHydjdudXYf4O4HQuWxFOk7RxuRavRFw6cD wvo8DhE5amX4pfVzp+ZO/WgDVM26kOZrRxdSW0Ic= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Akhil P Oommen , Konrad Dybcio , Rob Clark Subject: [PATCH 6.12 460/567] drm/msm/a6xx: Fix out of bound IO access in a6xx_get_gmu_registers Date: Tue, 6 Jan 2026 18:04:02 +0100 Message-ID: <20260106170508.362574487@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260106170451.332875001@linuxfoundation.org> References: <20260106170451.332875001@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Akhil P Oommen commit 779b68a5bf2764c8ed3aa800e41ba0d5d007e1e7 upstream. REG_A6XX_GMU_AO_AHB_FENCE_CTRL register falls under GMU's register range. So, use gmu_write() routines to write to this register. Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state") Cc: stable@vger.kernel.org Signed-off-by: Akhil P Oommen Reviewed-by: Konrad Dybcio Patchwork: https://patchwork.freedesktop.org/patch/688993/ Message-ID: <20251118-kaana-gpu-support-v4-1-86eeb8e93fb6@oss.qualcomm.com> Signed-off-by: Rob Clark Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -1231,7 +1231,7 @@ static void a6xx_get_gmu_registers(struc return; /* Set the fence to ALLOW mode so we can access the registers */ - gpu_write(gpu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); + gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[2], &a6xx_state->gmu_registers[2], false);