Re: [PATCH] drm/mgag200: Add a workaround for low-latency

2024-02-08 Thread Jocelyn Falempe
On 07/02/2024 10:47, Thomas Zimmermann wrote: Hi Am 06.02.24 um 23:21 schrieb Jocelyn Falempe: We found a regression in v5.10 on real-time server, using the rt-kernel and the mgag200 driver. It's some really specialized workload, with <10us latency expectation on isolated core. After the

Re: [PATCH] drm/mgag200: Add a workaround for low-latency

2024-02-07 Thread Thomas Zimmermann
Hi Am 06.02.24 um 23:21 schrieb Jocelyn Falempe: We found a regression in v5.10 on real-time server, using the rt-kernel and the mgag200 driver. It's some really specialized workload, with <10us latency expectation on isolated core. After the v5.10, the real time tasks missed their <10us

[PATCH] drm/mgag200: Add a workaround for low-latency

2024-02-06 Thread Jocelyn Falempe
We found a regression in v5.10 on real-time server, using the rt-kernel and the mgag200 driver. It's some really specialized workload, with <10us latency expectation on isolated core. After the v5.10, the real time tasks missed their <10us latency when something prints on the screen (fbcon or