From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
Vikash Garodia <quic_vgarodia@quicinc.com>,
Dikshita Agarwal <quic_dikshita@quicinc.com>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/5] Introduce "non-pixel" sub node within iris video node
Date: Tue, 1 Jul 2025 10:42:11 +0200 [thread overview]
Message-ID: <59f46b2c-5966-4ec2-89d9-305ca52f5111@oss.qualcomm.com> (raw)
In-Reply-To: <6c5d9ff2-fa59-4151-99fe-3bddae46b507@linaro.org>
On 30-Jun-25 20:04, neil.armstrong@linaro.org wrote:
> On 27/06/2025 17:48, Vikash Garodia wrote:
>> This series introduces a sub node "non-pixel" within iris video node.
>> Video driver registers this sub node as a platform device and configure
>> it for DMA operations. All non pixel buffers, i.e bitstream, HFI queues
>> and internal buffers related to bitstream processing, would be managed
>> by this non_pixel device.
[...]
> I tried the patchset on SM8550 QRD and SM8650 QRD/HDK and the system just reboots
> a few millisecond after probing iris, no error messages nor reboot to sahara mode.
>
> The DT changeset for reference:
> https://git.codelinaro.org/neil.armstrong/linux/-/commit/e1b3628469c038559a60d310386f006f353e3d59
I think that's because of the majorly suboptimal 'define disallowed
ranges' approach with the iommu-addresses bindings.. 8550 (and most
64-bit QC SoCs) also have DRAM mapped above 32bits, meaning you'd have
to add a whole lot of boilerplate to disallow these ranges as well
Konrad
next prev parent reply other threads:[~2025-07-01 8:42 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-27 15:48 [PATCH v3 0/5] Introduce "non-pixel" sub node within iris video node Vikash Garodia
2025-06-27 15:48 ` [PATCH v3 1/5] media: dt-bindings: add non-pixel property in iris schema Vikash Garodia
2025-06-27 16:31 ` Bryan O'Donoghue
2025-06-27 17:16 ` Vikash Garodia
2025-06-30 15:48 ` neil.armstrong
2025-06-30 15:56 ` Neil Armstrong
2025-07-02 11:13 ` Krzysztof Kozlowski
2025-07-02 11:32 ` Vikash Garodia
2025-07-02 11:46 ` Krzysztof Kozlowski
2025-07-02 13:11 ` Konrad Dybcio
2025-07-02 13:59 ` Krzysztof Kozlowski
2025-07-02 16:36 ` Vikash Garodia
2025-07-02 20:16 ` Krzysztof Kozlowski
2025-07-03 10:11 ` Konrad Dybcio
2025-07-03 7:29 ` Krzysztof Kozlowski
2025-07-02 11:23 ` Krzysztof Kozlowski
2025-07-02 11:45 ` Vikash Garodia
2025-07-02 11:47 ` Krzysztof Kozlowski
2025-07-02 11:55 ` Vikash Garodia
2025-07-02 11:58 ` Krzysztof Kozlowski
2025-07-02 12:08 ` Vikash Garodia
2025-07-02 12:11 ` Krzysztof Kozlowski
2025-06-27 15:48 ` [PATCH v3 2/5] media: iris: register and configure non-pixel node as platform device Vikash Garodia
2025-06-27 17:01 ` Bryan O'Donoghue
2025-07-02 11:04 ` Krzysztof Kozlowski
2025-07-02 11:39 ` Vikash Garodia
2025-07-02 12:45 ` Konrad Dybcio
2025-06-27 15:48 ` [PATCH v3 3/5] media: iris: use np_dev as preferred DMA device in HFI queue management Vikash Garodia
2025-06-27 17:03 ` Bryan O'Donoghue
2025-06-27 15:48 ` [PATCH v3 4/5] media: iris: select appropriate DMA device for internal buffers Vikash Garodia
2025-06-27 17:07 ` Bryan O'Donoghue
2025-06-27 15:48 ` [PATCH v3 5/5] media: iris: configure DMA device for vb2 queue on OUTPUT plane Vikash Garodia
2025-06-27 17:08 ` Bryan O'Donoghue
2025-06-30 7:58 ` Vikash Garodia
2025-07-01 12:04 ` Konrad Dybcio
2025-06-27 16:30 ` [PATCH v3 0/5] Introduce "non-pixel" sub node within iris video node Bryan O'Donoghue
2025-06-27 17:00 ` Vikash Garodia
2025-07-02 11:05 ` Krzysztof Kozlowski
2025-06-30 15:55 ` neil.armstrong
2025-06-30 18:04 ` neil.armstrong
2025-07-01 8:42 ` Konrad Dybcio [this message]
2025-07-01 10:23 ` Vikash Garodia
2025-07-01 13:19 ` Neil Armstrong
2025-07-01 16:11 ` Vikash Garodia
2025-07-02 7:59 ` Neil Armstrong
2025-07-02 11:06 ` Krzysztof Kozlowski
2025-07-02 11:18 ` Krzysztof Kozlowski
2025-07-02 11:37 ` Vikash Garodia
2025-07-02 11:52 ` Krzysztof Kozlowski
2025-07-02 11:54 ` Krzysztof Kozlowski
2025-07-02 12:01 ` Vikash Garodia
2025-07-02 12:05 ` Krzysztof Kozlowski
2025-07-02 12:57 ` Vikash Garodia
2025-07-02 12:06 ` Bryan O'Donoghue
2025-07-02 22:26 ` Dmitry Baryshkov
2025-07-03 7:27 ` Krzysztof Kozlowski
2025-07-03 12:38 ` Konrad Dybcio
2025-07-03 12:54 ` Krzysztof Kozlowski
2025-07-03 15:28 ` Konrad Dybcio
2025-07-03 20:28 ` Bryan O'Donoghue
2025-07-03 21:23 ` Dmitry Baryshkov
2025-07-04 8:23 ` Bryan O'Donoghue
2025-07-04 10:28 ` Konrad Dybcio
2025-07-04 16:45 ` Dmitry Baryshkov
2025-07-04 22:44 ` Bryan O'Donoghue
2025-07-10 18:18 ` Prakash Gupta
2025-07-15 12:15 ` Konrad Dybcio
2025-07-04 19:15 ` Vikash Garodia
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