Re: [PATCH 16/27] drm/amd/display: increase Z9 latency to workaround underflow in Z9

2021-10-18 Thread Paul Menzel
Dear Nicholas, dear Eric, dear Augustin, Am 18.10.21 um 19:14 schrieb Kazlauskas, Nicholas: On 2021-10-15 7:53 p.m., Mike Lothian wrote: This patch seems to change z8 - not that I know what z8 or z9 are It's a little misleading but the patch and terminology is correct. Z9 is the usecase for

Re: [PATCH 16/27] drm/amd/display: increase Z9 latency to workaround underflow in Z9

2021-10-18 Thread Kazlauskas, Nicholas
On 2021-10-15 7:53 p.m., Mike Lothian wrote: This patch seems to change z8 - not that I know what z8 or z9 are It's a little misleading but the patch and terminology is correct. Z9 is the usecase for these watermarks even if the calculation is shared with Z8/Z9. Regards, Nicholas Kazlauskas

Re: [PATCH 16/27] drm/amd/display: increase Z9 latency to workaround underflow in Z9

2021-10-15 Thread Mike Lothian
This patch seems to change z8 - not that I know what z8 or z9 are On Fri, 15 Oct 2021 at 19:44, Agustin Gutierrez wrote: > > From: Eric Yang > > [Why] > Z9 latency is higher than when we originally tuned the watermark > parameters, causing underflow. Increasing the value until the latency > issu

[PATCH 16/27] drm/amd/display: increase Z9 latency to workaround underflow in Z9

2021-10-15 Thread Agustin Gutierrez
From: Eric Yang [Why] Z9 latency is higher than when we originally tuned the watermark parameters, causing underflow. Increasing the value until the latency issues is resolved. Reviewed-by: Nicholas Kazlauskas Acked-by: Agustin Gutierrez Sanchez Signed-off-by: Eric Yang --- drivers/gpu/drm/a