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[83.60.94.205]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-458953eaeeesm303179955e9.25.2025.08.06.01.04.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Aug 2025 01:04:21 -0700 (PDT) From: Jorge Ramirez X-Google-Original-From: Jorge Ramirez Date: Wed, 6 Aug 2025 10:04:20 +0200 To: Dmitry Baryshkov Cc: Jorge Ramirez , bryan.odonoghue@linaro.org, quic_dikshita@quicinc.com, quic_vgarodia@quicinc.com, konradybcio@kernel.org, krzk+dt@kernel.org, mchehab@kernel.org, conor+dt@kernel.org, andersson@kernel.org, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v8 5/7] media: venus: core: Add qcm2290 DT compatible and resource data Message-ID: References: <20250805064430.782201-1-jorge.ramirez@oss.qualcomm.com> <20250805064430.782201-6-jorge.ramirez@oss.qualcomm.com> <4chbcvub4scnv4jxjaagbswl74tz4ygovn3vhktfodakysbgy3@kukktkwd2zsr> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Proofpoint-GUID: pQvhJkzwG649BbewXkcCXbuFo4-could X-Proofpoint-ORIG-GUID: pQvhJkzwG649BbewXkcCXbuFo4-could X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODA2MDAwOSBTYWx0ZWRfX/LdK9aYNw4h6 mvpZb2SQowgNn59Y+3XJ+ipl/vlupZzFZyw7V/0T2UqYAO2ed+SFKiA+Gtd2huxifu1vcAHU8KJ krQha5w7oohufvNbztX/b/LiK5tUNOOhXriZI/fWIPIjjivrXNVRfZSRcpPlTZgzh4TrGJFCvoh v3oQ7v3sKeoZQ0vMh53R/89CA3ZQs/JzLTnvYbpKZOlnKRNLvmSZYgpX60GVCoXGm7TkAmCznzF 8ewpRG6kfSh20q277AJiV7Mf5tWYOelDGmYk4j0CLPgut3V4ChlPSnpO1pw4YO18w5n7N2F0Up8 C/YpdektbTUvGiOV3qLmX29edWYtzLMdrpJxiZssglTzYLj6NSYlaMIOr71NMOSip4rXl23BqGX moKq5PM2 X-Authority-Analysis: v=2.4 cv=GrlC+l1C c=1 sm=1 tr=0 ts=68930c88 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=Rr2dNH5/fcnoRoBmcVUeRg==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=RNsuWQFUNzCQQpSZkWYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-06_01,2025-08-04_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 clxscore=1015 suspectscore=0 priorityscore=1501 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508060009 On 06/08/25 04:37:05, Dmitry Baryshkov wrote: > On Tue, Aug 05, 2025 at 01:27:34PM +0200, Jorge Ramirez wrote: > > On 05/08/25 12:44:23, Jorge Ramirez wrote: > > > On 05/08/25 13:04:50, Dmitry Baryshkov wrote: > > > > On Tue, Aug 05, 2025 at 08:44:28AM +0200, Jorge Ramirez-Ortiz wrote: > > > > > Add a qcm2290 compatible binding to the Cenus core. > > > > > > > > > > The maximum concurrency is video decode at 1920x1080 (FullHD) with video > > > > > encode at 1280x720 (HD). > > > > > > > > > > The driver is not available to firmware versions below 6.0.55 due to an > > > > > internal requirement for secure buffers. > > > > > > > > > > The bandwidth tables incorporate a conservative safety margin to ensure > > > > > stability under peak DDR and interconnect load conditions. > > > > > > > > > > Co-developed-by: Loic Poulain > > > > > Signed-off-by: Loic Poulain > > > > > Signed-off-by: Jorge Ramirez-Ortiz > > > > > Reviewed-by: Bryan O'Donoghue > > > > > Reviewed-by: Dikshita Agarwal > > > > > --- > > > > > drivers/media/platform/qcom/venus/core.c | 50 ++++++++++++++++++++++++ > > > > > 1 file changed, 50 insertions(+) > > > > > > > > > > diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c > > > > > index adc38fbc9d79..753a16f53622 100644 > > > > > --- a/drivers/media/platform/qcom/venus/core.c > > > > > +++ b/drivers/media/platform/qcom/venus/core.c > > > > > @@ -1070,6 +1070,55 @@ static const struct venus_resources sc7280_res = { > > > > > .enc_nodename = "video-encoder", > > > > > }; > > > > > > > > > > +static const struct bw_tbl qcm2290_bw_table_dec[] = { > > > > > + { 352800, 597000, 0, 746000, 0 }, /* 1080p@30 + 720p@30 */ > > > > > + { 244800, 413000, 0, 516000, 0 }, /* 1080p@30 */ > > > > > + { 216000, 364000, 0, 454000, 0 }, /* 720p@60 */ > > > > > + { 108000, 182000, 0, 227000, 0 }, /* 720p@30 */ > > > > > +}; > > > > > + > > > > > +static const struct bw_tbl qcm2290_bw_table_enc[] = { > > > > > + { 352800, 396000, 0, 0, 0 }, /* 1080p@30 + 720p@30 */ > > > > > + { 244800, 275000, 0, 0, 0 }, /* 1080p@30 */ > > > > > + { 216000, 242000, 0, 0, 0 }, /* 720p@60 */ > > > > > + { 108000, 121000, 0, 0, 0 }, /* 720p@30 */ > > > > > +}; > > > > > + > > > > > +static const struct firmware_version min_fw = { > > > > > + .major = 6, .minor = 0, .rev = 55, > > > > > +}; > > > > > > > > This will make venus driver error out with the firmware which is > > > > available in Debian trixie (and possibly other distributions). If I > > > > remember correctly, the driver can work with that firmware with the > > > > limited functionality. Can we please support that instead of erroring > > > > out completely? > > > > > > yes, in V7 I did implement this functionality plus a fix for EOS > > > handling (broken in pre 6.0.55 firmwares). > > > > just re-reading your note, in case this was not clear, the _current_ > > driver upstream will never work with the current firmware if that is > > what you were thinking (it would need v7 of this series to enable video > > decoding). > > I'd really prefer if we could support firmware that is present in Debian > trixie and that has been upstreamed more than a year ago. I share your view — which is why I put the effort into v7 — but I also understand that maintaining the extra code and EOS workaround for decoding needs to be justifiable. So I chose to align with the maintainers' perspective on this and removed it on v8 (partially also because I wanted to unblock the current EOS discussion). At this point, I have v9 ready based on v8, addressing the latest round of comments. However, if we need to revert to the features in v7, it will require reworking a significant amount of code. To avoid going in circles, I’d appreciate some clarity on the direction from Vikash, Bryan, and Dkishita: ok to post v9 based on v8 or should I bring back v7 support (decoding) for firmwares before 6.0.55?