Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2024-02-06 Thread Daniel Vetter
On Mon, Feb 05, 2024 at 05:02:58PM +1000, Dave Airlie wrote: > On Mon, 6 Nov 2023 at 20:47, Jocelyn Falempe wrote: > > > > On 23/10/2023 10:30, Jocelyn Falempe wrote: > > > On 20/10/2023 14:06, Thomas Zimmermann wrote: > > >> (cc'ing lkml for feedback) > > >> > > >> Hi Jocelyn > > >> > > >> Am 19.

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2024-02-06 Thread Daniel Vetter
On Mon, Dec 11, 2023 at 10:31:28AM +0100, Jocelyn Falempe wrote: > On 06/11/2023 11:46, Jocelyn Falempe wrote: > > On 23/10/2023 10:30, Jocelyn Falempe wrote: > > > On 20/10/2023 14:06, Thomas Zimmermann wrote: > > > > (cc'ing lkml for feedback) > > > > > > > > Hi Jocelyn > > > > > > > > Am 19.10

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2024-02-06 Thread Jocelyn Falempe
On 06/02/2024 14:33, Daniel Vetter wrote: On Mon, Dec 11, 2023 at 10:31:28AM +0100, Jocelyn Falempe wrote: On 06/11/2023 11:46, Jocelyn Falempe wrote: On 23/10/2023 10:30, Jocelyn Falempe wrote: On 20/10/2023 14:06, Thomas Zimmermann wrote: (cc'ing lkml for feedback) Hi Jocelyn Am 19.10.

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2024-02-04 Thread Dave Airlie
On Mon, 6 Nov 2023 at 20:47, Jocelyn Falempe wrote: > > On 23/10/2023 10:30, Jocelyn Falempe wrote: > > On 20/10/2023 14:06, Thomas Zimmermann wrote: > >> (cc'ing lkml for feedback) > >> > >> Hi Jocelyn > >> > >> Am 19.10.23 um 15:55 schrieb Jocelyn Falempe: > >>> We found a regression in v5.10 on

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2023-12-11 Thread Jocelyn Falempe
On 06/11/2023 11:46, Jocelyn Falempe wrote: On 23/10/2023 10:30, Jocelyn Falempe wrote: On 20/10/2023 14:06, Thomas Zimmermann wrote: (cc'ing lkml for feedback) Hi Jocelyn Am 19.10.23 um 15:55 schrieb Jocelyn Falempe: We found a regression in v5.10 on real-time server, using the rt-kernel an

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2023-11-06 Thread Jocelyn Falempe
On 23/10/2023 10:30, Jocelyn Falempe wrote: On 20/10/2023 14:06, Thomas Zimmermann wrote: (cc'ing lkml for feedback) Hi Jocelyn Am 19.10.23 um 15:55 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 specia

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2023-10-23 Thread Jocelyn Falempe
On 20/10/2023 14:06, Thomas Zimmermann wrote: (cc'ing lkml for feedback) Hi Jocelyn Am 19.10.23 um 15:55 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 expectatio

Re: [PATCH] drm/mgag200: Flush the cache to improve latency

2023-10-20 Thread Thomas Zimmermann
(cc'ing lkml for feedback) Hi Jocelyn Am 19.10.23 um 15:55 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 t

[PATCH] drm/mgag200: Flush the cache to improve latency

2023-10-19 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 print