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Mon, 19 Oct 2026 05:38:55 -0700 (PDT) X-Received: by 2002:a05:620a:3728:b0:93e:5a3f:ac13 with SMTP id af79cd13be357-93f29a0a71dmr1436759185a.0.1792413534522; Mon, 19 Oct 2026 05:38:54 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c40919bcad6sm354612466b.52.2026.10.19.05.38.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Oct 2026 05:38:53 -0700 (PDT) Message-ID: <577a1383-1198-484e-81cd-3de996cc7150@oss.qualcomm.com> Date: Mon, 19 Oct 2026 14:38:50 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] drm/msm/a6xx: Add a bandwidth table for the Adreno 620 GMU To: patches@brar.si, Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Akhil P Oommen Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261016-adreno-a620-v1-0-4a7ed6210d7d@brar.si> <20261016-adreno-a620-v1-2-4a7ed6210d7d@brar.si> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261016-adreno-a620-v1-2-4a7ed6210d7d@brar.si> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE5MDA1MCBTYWx0ZWRfX1Ic4zNx8piuR ces7oH/SF4hCaBWIfspn+TPgF91QLI8DCGWsZPwy++SrpirFklvQ23vyRrjOtyUlT8YE+e7U3GX zRExI01L4dJIS/fYAs0E8jlbeYHfFovY2EB6NQEpwbnvu43QTrYc5Y/1TVrZCeEN9oV0/k8ls1e tyw3QWv/l2hPzIKG2xNxmu7n2W06Uzc7locrCylNVACO3uFwPt8gvJAqEdF7Gq5mqAzbRQhPQE3 KRjiLXHJHqx4btZWn+8rIpkDcexag5q9A0o0d4mCMGexyIMDMqkQJUxSm0gvLYZt9TiSjXI9dro iBF/P7MKae6fhzntcwHocmdeV0KxQOyfWkw6+hqR9jhPrZohsrtngZJFTN2fG4II3zcdmzjWopF Qn0saO5W6B8HxcLNzIYpQUK5ooP5MgT7CZxBhnO32LR4/P1bfiuo+/PmmQidvQF5RtSBgkt24W8 ZKpxzXYnmE+TBfrAyuQ== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE5MDA1MCBTYWx0ZWRfXxL9sKLiREt0u ZJv38reekKExV69yy9yNhHQUjTDFjsVuybKBZ0fi55fdTR0INJ/4t0jwAk+80cMvhpyc+NUDrRr sbeaWKfXpDpp25+JYLYt2VP4t9GTkn0= X-Proofpoint-ORIG-GUID: c7jejjcamQpB8TX0kRHucXExGOF5BqTm X-Authority-Analysis: v=2.4 cv=Qr/LTlyd c=1 sm=1 tr=0 ts=6ad60f5f cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=ODsmY_3wxSbvKopP8XUA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: c7jejjcamQpB8TX0kRHucXExGOF5BqTm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-19_03,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 impostorscore=0 spamscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610190050 On 10/16/26 2:53 PM, Ishu Brar via B4 Relay wrote: > From: Ishu Brar > > Without an A620 specific table the GMU falls back to the generic A630 > one, whose BCM addresses do not exist on SM7250, and the first GX > performance vote times out. > > Like the A650 one, send a single "off" entry just to get things running, > with the BCM addresses looked up in cmd-db. Add adreno_is_a620() for the > selection. > > Assisted-by: Claude > Signed-off-by: Ishu Brar > --- > drivers/gpu/drm/msm/adreno/a6xx_hfi.c | 33 +++++++++++++++++++++++++++++++++ > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 +++++ > 2 files changed, 38 insertions(+) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c > index 6b34e704a..cab7ffc63 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c > @@ -553,6 +553,37 @@ static void a650_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) > msg->cnoc_cmds_data[1][0] = 0x60000001; > } > > +static void a620_build_bw_table(struct a6xx_hfi_msg_bw_table *msg) This is no longer necessary if you add .bcms in the catalog, see a6xx_generate_bw_table() Konrad