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Message-ID: <20240229133046.64h2f4n27emvdhnq@basti-XPS-13-9310>
Date: Thu, 29 Feb 2024 14:30:46 +0100
From: Sebastian Fricke <sebastian.fricke@...labora.com>
To: Devarsh Thakkar <devarsht@...com>
Cc: mchehab@...nel.org, robh@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, hverkuil-cisco@...all.nl,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, benjamin.gaignard@...labora.com,
laurent.pinchart@...asonboard.com, praneeth@...com, nm@...com,
vigneshr@...com, a-bhatia1@...com, j-luthra@...com, b-brnich@...com,
detheridge@...com, p-mantena@...com, vijayp@...com,
andrzej.p@...labora.com, nicolas@...fresne.ca, afd@...com,
milkfafa@...il.com
Subject: Re: [PATCH v6 1/3] media: dt-bindings: Add Imagination E5010 JPEG
Encoder
Hey Devarsh,
On 29.02.2024 16:50, Devarsh Thakkar wrote:
>Hi Sebastian,
>
>Thanks for the review.
>
>On 29/02/24 15:56, Sebastian Fricke wrote:
>> Hey Devarsh,
>>
>> On 28.02.2024 19:41, Devarsh Thakkar wrote:
>>> Add dt-bindings for Imagination E5010 JPEG Encoder [1] which is implemented
>>> as stateful V4L2 M2M driver.
>>>
>>> The device supports baseline encoding with two different quantization
>>> tables and compression ratio as demanded.
>>>
>>> Minimum resolution supported is 64x64 and Maximum resolution supported is
>>> 8192x8192.
>>>
>>> [1]: AM62A TRM (Section 7.6 is for JPEG Encoder)
>>> Link: https://www.ti.com/lit/pdf/spruj16
>>>
>>> Co-developed-by: David Huang <d-huang@...com>
>>> Signed-off-by: David Huang <d-huang@...com>
>>> Signed-off-by: Devarsh Thakkar <devarsht@...com>
>>> Reviewed-by: Rob Herring <robh@...nel.org>
>>
>> hmmm when did Rob give his reviewed by on this patch? (As this is not a
>> DT binding I find that odd)
>
>[PATCH v6 1/3] media: dt-bindings: Add Imagination E5010 JPEG Encoder : This
>is indeed the dt-binding patch. Also As shared in version history it is at V4
>where Rob Herring added a Reviewed-By as seen here [0]
>
>> And where is the Reviewed by tag from Benjamin that he provided on V5?
>>
>
>As captured in patch version history here [1] I thought to remove the
>Reviewed-By since the Reviewed-By tag was on V5 and with V6 the driver got
>updated with some changes to handle reported sparse warnings and so I have
>asked Benjamin to check the range-diff and help with a quick review again if
>possible.
>
>Kindly let me know if I missed something or anything needs to be done from my end.
Yes thanks I was a bit too swift to write here, sorry for the noise.
We'll have a look.
Greetings,
Sebastian
>
>[0] :
>https://lore.kernel.org/all/170716378412.295212.11603162949482063011.robh@kernel.org/
>[1] : https://lore.kernel.org/all/20240228141140.3530612-4-devarsht@ti.com/
>
>
>Regards
>Devarsh
>>> ---
>>> V2: No change
>>> V3:
>>> - Add vendor specific compatible
>>> - Update reg names
>>> - Update clocks to 1
>>> - Fix dts example with proper naming
>>> V4:
>>> - Use ti-specific compatible ti,am62a-jpeg-enc as secondary one
>>> - Update commit message and title
>>> - Remove clock-names as only single clock
>>> V5:
>>> - Add Reviewed-By tag
>>> V6:
>>> - No change
>>>
>>> .../bindings/media/img,e5010-jpeg-enc.yaml | 75 +++++++++++++++++++
>>> MAINTAINERS | 5 ++
>>> 2 files changed, 80 insertions(+)
>>> create mode 100644
>>> Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
>>> b/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
>>> new file mode 100644
>>> index 000000000000..085020cb9e61
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
>>> @@ -0,0 +1,75 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/media/img,e5010-jpeg-enc.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Imagination E5010 JPEG Encoder
>>> +
>>> +maintainers:
>>> + - Devarsh Thakkar <devarsht@...com>
>>> +
>>> +description: |
>>> + The E5010 is a JPEG encoder from Imagination Technologies implemented on
>>> + TI's AM62A SoC. It is capable of real time encoding of YUV420 and YUV422
>>> + inputs to JPEG and M-JPEG. It supports baseline JPEG Encoding up to
>>> + 8Kx8K resolution.
>>> +
>>> +properties:
>>> + compatible:
>>> + oneOf:
>>> + - items:
>>> + - const: ti,am62a-jpeg-enc
>>> + - const: img,e5010-jpeg-enc
>>> + - const: img,e5010-jpeg-enc
>>> +
>>> + reg:
>>> + items:
>>> + - description: The E5010 core register region
>>> + - description: The E5010 mmu register region
>>> +
>>> + reg-names:
>>> + items:
>>> + - const: core
>>> + - const: mmu
>>> +
>>> + power-domains:
>>> + maxItems: 1
>>> +
>>> + resets:
>>> + maxItems: 1
>>> +
>>> + clocks:
>>> + maxItems: 1
>>> +
>>> + interrupts:
>>> + maxItems: 1
>>> +
>>> +required:
>>> + - compatible
>>> + - reg
>>> + - reg-names
>>> + - interrupts
>>> + - clocks
>>> +
>>> +additionalProperties: false
>>> +
>>> +examples:
>>> + - |
>>> + #include <dt-bindings/soc/ti,sci_pm_domain.h>
>>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>>> + #include <dt-bindings/interrupt-controller/irq.h>
>>> +
>>> + soc {
>>> + #address-cells = <2>;
>>> + #size-cells = <2>;
>>> + jpeg-encoder@...0000 {
>>> + compatible = "img,e5010-jpeg-enc";
>>> + reg = <0x00 0xfd20000 0x00 0x100>,
>>> + <0x00 0xfd20200 0x00 0x200>;
>>> + reg-names = "core", "mmu";
>>> + clocks = <&k3_clks 201 0>;
>>> + power-domains = <&k3_pds 201 TI_SCI_PD_EXCLUSIVE>;
>>> + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
>>> + };
>>> + };
>>> diff --git a/MAINTAINERS b/MAINTAINERS
>>> index e1475ca38ff2..6b34ee8d92b5 100644
>>> --- a/MAINTAINERS
>>> +++ b/MAINTAINERS
>>> @@ -10572,6 +10572,11 @@ S: Maintained
>>> F: Documentation/devicetree/bindings/auxdisplay/img,ascii-lcd.yaml
>>> F: drivers/auxdisplay/img-ascii-lcd.c
>>>
>>> +IMGTEC JPEG ENCODER DRIVER
>>> +M: Devarsh Thakkar <devarsht@...com>
>>> +S: Supported
>>> +F: Documentation/devicetree/bindings/media/img,e5010-jpeg-enc.yaml
>>> +
>>> IMGTEC IR DECODER DRIVER
>>> S: Orphan
>>> F: drivers/media/rc/img-ir/
>>> --
>>> 2.39.1
>>>
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