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Mon, 24 Nov 2025 14:10:36 -0800 (PST) X-Google-Smtp-Source: AGHT+IGCFlcdURGFYX9T7gTdXnUcf8Uq2t38PcEn5iAANu+rMB94bLXIscK2ROxQ/LO/fYuI22iQTw== X-Received: by 2002:a17:903:1aa5:b0:298:4ee3:c21a with SMTP id d9443c01a7336-29baae40a33mr4508935ad.2.1764022236070; Mon, 24 Nov 2025 14:10:36 -0800 (PST) Received: from [192.168.1.14] ([106.222.231.199]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29b5b1387e3sm142941995ad.24.2025.11.24.14.10.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Nov 2025 14:10:35 -0800 (PST) Message-ID: Date: Tue, 25 Nov 2025 03:40:28 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/6] drm/msm/a6xx: Retrieve gmu core range by index To: Konrad Dybcio Cc: Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Jessica Zhang , Dan Carpenter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20251122-qcs615-spin-2-v3-0-9f4d4c87f51d@oss.qualcomm.com> <20251122-qcs615-spin-2-v3-1-9f4d4c87f51d@oss.qualcomm.com> <9cc55934-6980-4673-8501-2d1efe2f816e@oss.qualcomm.com> Content-Language: en-US From: Akhil P Oommen In-Reply-To: <9cc55934-6980-4673-8501-2d1efe2f816e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: B8xOMw5ZHk5VRDlo25STRoDCjcNnCYtX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTI0MDE5MiBTYWx0ZWRfX8eJoOIXHS3Sw y3kDP/rFLXUvw/Vl5NCo5a/J0FnB997irBarHI7aR5MpkL7S8Opn2NzAbRghxv1SJBjR0Ym2Ow7 nA3FyDfb8YbXi538hI2YHEQXBo57J8aNe8U6EUXsjg05VJxr2Y4IfXrUn+biYOK6GFNwunziF47 UyIJTXFYEDMhXxiKTEXSpDyaqyOWfy8bKMDBFcv5xvhqATV6i62MPeSPwhvyclL5ezCQTNxbhsN 0pzZk9hdkMSRsdUsDfaf9zv3dFABE+HkKPARZRC3tMJBEiD/LCg1CJ1h5jIv5ScFfOBQPxdrwUi yo9gOyNCOmqHlVE//fvV4Jt6ZqS1M00RSXfydRdyMzEi5pW7fOBZxxEAR1fu1BTFnz7wIgM9ShP dycF7tIsLuw+tgNeVUaRcJowpahJJQ== X-Proofpoint-GUID: B8xOMw5ZHk5VRDlo25STRoDCjcNnCYtX X-Authority-Analysis: v=2.4 cv=S6PUAYsP c=1 sm=1 tr=0 ts=6924d7dd cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=QME20dCx57Gc1q/4dZKLgg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=6yKHOGsdPNW3Y-1pzmYA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-24_08,2025-11-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511240192 On 11/22/2025 7:08 PM, Konrad Dybcio wrote: > On 11/21/25 10:52 PM, Akhil P Oommen wrote: >> Some GPUs like A612 doesn't use a named register range resource. This >> is because the reg-name property is discouraged when there is just a >> single resource. >> >> To address this, retrieve the 'gmu' register range by its index. It is >> always guaranteed to be at index 0. >> >> Signed-off-by: Akhil P Oommen >> --- >> drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 14 ++++++-------- >> 1 file changed, 6 insertions(+), 8 deletions(-) >> >> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c >> index 5903cd891b49..9662201cd2e9 100644 >> --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c >> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c >> @@ -2029,21 +2029,19 @@ static int cxpd_notifier_cb(struct notifier_block *nb, >> return 0; >> } >> >> -static void __iomem *a6xx_gmu_get_mmio(struct platform_device *pdev, >> - const char *name, resource_size_t *start) >> +static void __iomem *a6xx_gmu_get_mmio(struct platform_device *pdev, resource_size_t *start) > > Can we drop this and just use devm_platform_get_and_ioremap_resource()? That's better. Nice. -Akhil. > > Konrad