From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Peter Ujfalusi <peter.ujfalusi@linux.intel.com>,
Bard Liao <yung-chuan.liao@linux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
Takashi Iwai <tiwai@suse.com>,
Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Cc: sound-open-firmware@alsa-project.org,
linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@collabora.com
Subject: Re: [PATCH v3 1/2] ASoC: SOF: amd: Move signed_fw_image to struct acp_quirk_entry
Date: Wed, 21 Feb 2024 12:59:53 +0200 [thread overview]
Message-ID: <cd3fe134-1df6-4a6a-96f5-1ab91c7bf5a8@collabora.com> (raw)
In-Reply-To: <9bac55ff-0720-4ecb-9dcb-59a5397c7077@collabora.com>
On 2/21/24 12:35, AngeloGioacchino Del Regno wrote:
> Il 21/02/24 11:29, Cristian Ciocaltea ha scritto:
>> On 2/21/24 11:35, AngeloGioacchino Del Regno wrote:
>>> Il 20/02/24 21:16, Cristian Ciocaltea ha scritto:
>>>> The signed_fw_image member of struct sof_amd_acp_desc is used to enable
>>>> signed firmware support in the driver via the acp_sof_quirk_table.
>>>>
>>>> In preparation to support additional use cases of the quirk table (i.e.
>>>> adding new flags), move signed_fw_image to a new struct acp_quirk_entry
>>>> and update all references to it accordingly.
>>>>
[...]
>>> are you sure that a structure holding "quirks" is the right choice here?
>>>
>>> That probably comes as a personal preference, but I would simply pass a
>>> `u32 flags`
>>> and structure the quirks as bits.
>>>
>>> #define ACP_SIGNED_FW_IMAGE BIT(0)
>>> #define ACP_SOMETHING_ELSE BIT(1)
>>>
>>> flags = BIT(SIGNED_FW_IMAGE) | BIT(SOMETHING_ELSE);
>
> That should've been
> flags = SIGNED_FW_IMAGE | SOMETHING_ELSE;
>
>>>
>>> if (flags & BIT(SIGNED_FW_IMAGE))
>
> and this
> if (flags & SIGNED_FW_IMAGE)
>
> ... I have no idea why I added a nested BIT(BIT()) in there, something in
> my brain started ticking sideways, lol.
Yeah, don't worry about that, it's perfectly clear what you initially
meant.. :-)
>>> do_something()
>>>
>>> What do you think?
>>
>> Hi Angelo,
>>
>> The flags approach was actually my first thought and I think that would
>> have been the best choice if the quirks usage was limited to a single
>> file (acp.c).
>>
>> Since they need to be exposed externally as well (acp-loader.c,
>> vangogh.c) and already using a dedicated member in struct
>> sof_amd_acp_desc related to the existing quirk, I found the "quirks"
>> struct solution a bit more natural/convenient to follow (I've done a bit
>> of research before and noticed other drivers having similar handling).
>>
>> However, as you already pointed out, it may also come down to individual
>> preferences, so I'm open to using the flags if there is not enough
>> reasoning to stick with the current implementation.
>
> Of course the definitions should be put in a "common header" for that to
> actually work in your described situation, but it's not a big deal.
>
> Mine wasn't a strong opinion: that does actually matter in case you expect
> more quirks (or something that is not a quirk, but a functional flag
> instead)
> to eventually get there... but otherwise, it's actually the same.
>
> It's your choice in the end, I'm fine with both anyway :-)
Great, thanks! :-)
next prev parent reply other threads:[~2024-02-21 10:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-20 20:16 [PATCH v3 0/2] ASoC: SOF: amd: Skip IRAM/DRAM size modification for Steam Deck OLED Cristian Ciocaltea
2024-02-20 20:16 ` [PATCH v3 1/2] ASoC: SOF: amd: Move signed_fw_image to struct acp_quirk_entry Cristian Ciocaltea
2024-02-21 6:14 ` Venkata Prasad Potturu
2024-02-21 8:55 ` Cristian Ciocaltea
2024-02-21 7:28 ` Venkata Prasad Potturu
2024-02-21 9:35 ` AngeloGioacchino Del Regno
2024-02-21 10:29 ` Cristian Ciocaltea
2024-02-21 10:35 ` AngeloGioacchino Del Regno
2024-02-21 10:59 ` Cristian Ciocaltea [this message]
2024-02-20 20:16 ` [PATCH v3 2/2] ASoC: SOF: amd: Skip IRAM/DRAM size modification for Steam Deck OLED Cristian Ciocaltea
2024-03-04 19:11 ` [PATCH v3 0/2] " Cristian Ciocaltea
2024-03-04 19:12 ` Mark Brown
2024-03-15 22:04 ` Mark Brown
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