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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b871f50cdc4sm209534566b.20.2026.01.12.03.05.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jan 2026 03:05:59 -0800 (PST) Message-ID: <9b91ee50-9166-46f4-83f0-c7a46bc0ca06@oss.qualcomm.com> Date: Mon, 12 Jan 2026 12:05:56 +0100 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 08/11] media: iris: don't specify max_channels in the source code To: Dmitry Baryshkov , Bjorn Andersson , Konrad Dybcio , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Akhil P Oommen , Vikash Garodia , Dikshita Agarwal , Bryan O'Donoghue , Mauro Carvalho Chehab Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org References: <20260110-iris-ubwc-v1-0-dd70494dcd7b@oss.qualcomm.com> <20260110-iris-ubwc-v1-8-dd70494dcd7b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260110-iris-ubwc-v1-8-dd70494dcd7b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEyMDA4OCBTYWx0ZWRfX87aJL+S3RRVQ h+cj+XSnZPSzGszLXrgyx6eeelR8mbT3DvzMf8TeCt6suaJ8hP5aEINelKWd7BJkPgrE8TzmAnd zrOjG0yWETfPnj8gsi2shL9vrVf8ARxHme8UyJzk2A3Pj7E7JSDJzQJEzfIh/EGpDOo5mxt0MEM gmEBbKMmaVegF7CCL2OIAnrgeynmzZ3PquoUC+ce8RULVOjtQomOMJdKomb2O9rhmPjYKIh6uFO gUi+Ci7GcV2izNkftw1GgjDboauhfxjVqNubZhAE5IcJGivvEYelyLZUnKj/JmeH394D/PZX0Xj ts5USSIfuOPCvUHAq80mCNZeCcaYUVXNHhgXhzVIG7X7+jYHxzH8llM/wDzx+7EMTzX4WvWlyXJ DzAjVsI29vSHl20/fqKvUMhwtiw5/NiOu9cVN29zSONgl7oZTmbYVv8UbEdlAo8+YbaxwDeo7ro lqPFNRQL+u/dcQLgLlg== X-Authority-Analysis: v=2.4 cv=R6AO2NRX c=1 sm=1 tr=0 ts=6964d599 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Z5E5LkF8W0bl65O362YA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: WishJInlt-rPuAGb4vfiVY_sbO16Lfoz X-Proofpoint-GUID: WishJInlt-rPuAGb4vfiVY_sbO16Lfoz 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=2026-01-12_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 spamscore=0 clxscore=1015 priorityscore=1501 adultscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601120088 On 1/10/26 8:38 PM, Dmitry Baryshkov wrote: > The UBWC max_channels spreading is specified in the Iris driver, but it > also can be calculated from the platform UBWC config. Use the platform > UBWC configuration instead of specifying it directly in the source. > > Signed-off-by: Dmitry Baryshkov > --- > drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c | 2 +- > drivers/media/platform/qcom/iris/iris_platform_common.h | 1 - > drivers/media/platform/qcom/iris/iris_platform_gen2.c | 1 - > 3 files changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c > index 9945c939cd29..91dbea4c6664 100644 > --- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c > +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c > @@ -139,7 +139,7 @@ void iris_hfi_gen2_packet_sys_init(struct iris_core *core, struct iris_hfi_heade > &payload, > sizeof(u32)); > > - payload = core->iris_platform_data->ubwc_config->max_channels; > + payload = ubwc->macrotile_mode ? 8 : 4; With the hope that this never changes from a boolean Reviewed-by: Konrad Dybcio Konrad