[PATCH AUTOSEL 6.1 4/9] drm/amd/display: Do not set drr on pipe commit
Sasha Levin
sashal at kernel.org
Thu Jun 1 09:53:46 UTC 2023
On Mon, May 15, 2023 at 03:04:43PM +0200, Michel Dänzer wrote:
>On 5/11/23 21:39, Sasha Levin wrote:
>> From: Wesley Chalmers <Wesley.Chalmers at amd.com>
>>
>> [ Upstream commit 474f01015ffdb74e01c2eb3584a2822c64e7b2be ]
>>
>> [WHY]
>> Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a
>> pipe commit can cause underflow.
>>
>> [HOW]
>> Move DMUB p-state delegate into optimze_bandwidth; enabling FAMS sets
>> optimized_required.
>>
>> This change expects that Freesync requests are blocked when
>> optimized_required is true.
>
>This change caused a regression, see https://patchwork.freedesktop.org/patch/532240/?series=116487&rev=1#comment_972234 / 9deeb132-a317-7419-e9da-cbc0a379c0eb at daenzer.net .
Dropped, thanks!
--
Thanks,
Sasha
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