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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b046af12536sm102654566b.100.2025.09.03.02.25.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 02:25:52 -0700 (PDT) Message-ID: Date: Wed, 3 Sep 2025 11:25:49 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] drm/msm/adreno: Add a modparam to skip GPU To: Dmitry Baryshkov Cc: Akhil P Oommen , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Konrad Dybcio , Jordan Crouse , Jonathan Marek , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20250902-assorted-sept-1-v1-0-f3ec9baed513@oss.qualcomm.com> <20250902-assorted-sept-1-v1-3-f3ec9baed513@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAxOSBTYWx0ZWRfX3DdXVQJpM+vc 5rPZ54LAZZwp7DKszb6nWtYTsdWU6x1Y4F/Otb0VsNhETKxox+dn3t7p0FN4H9AOdYnFwYCycT1 +mISrwm2dnCBqlLFdsS3hpd+kjxm2mFjLf0XJ2xuyAB7kqnQjQ+S2Whx35GgdREy1K+geSiw/rg IhboMHgGN5VpIb0KzJeyULLHApcB/A94hRBj851v7MgpmKNY0xyI87oZH8CXCSeIhCPnG96S1h6 pe8GQK/gDMy7p/owbM/gwmiH5tnW8jy0cYpjR166psS/Q159hOqYxIcaCpkIxWDGlOTw9FMmV3W qHdAtga0oBZY0frrMsTx+AAXUFhS5AWvaTRNuyi0+B5b2w4ug0Nmt9uC2lw42SHMx0XHroeVIe+ 6SAnnKrB X-Proofpoint-GUID: yVKTZzNGhOdAvi8jT8a04M8ml7V_rqbd X-Proofpoint-ORIG-GUID: yVKTZzNGhOdAvi8jT8a04M8ml7V_rqbd X-Authority-Analysis: v=2.4 cv=PNkP+eqC c=1 sm=1 tr=0 ts=68b809a3 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=q_ebNChVWJ_O0X_IP0EA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-03_05,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 suspectscore=0 adultscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300019 On 9/2/25 3:02 PM, Dmitry Baryshkov wrote: > On Tue, Sep 02, 2025 at 02:30:48PM +0200, Konrad Dybcio wrote: >> On 9/2/25 1:50 PM, Akhil P Oommen wrote: >>> During bringup of a new GPU support, it is convenient to have knob to >>> quickly disable GPU, but keep the display support. This helps to >>> fallback to 'kms_swrast' in case of bootup issues due to GPU. Add a >>> modparam to support this. >> >> I'm not entirely opposed, but slapping a // in front of the compatible >> in the dt works just as well > > Which requires rebuilding and reprovisioning Fair Konrad