Re: [PATCH 1/5] drm/i915: Drop WA 16015675438

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On Tue, Mar 12, 2024 at 03:54:09PM -0700, Matt Roper wrote:
On Wed, Mar 06, 2024 at 11:36:39AM -0800, Lucas De Marchi wrote:
With dynamic load-balancing disabled on the compute side, there's no
reason left to enable WA 16015675438. Drop it from both PVC and DG2.
Note that this can be done because now the driver always set a fixed
partition of EUs during initialization via the ccs_mode configuration.

The flag to GuC is still needed because of 18020744125, so update
the comment accordingly.

Cc: Mateusz Jablonski <mateusz.jablonski@xxxxxxxxx>
Cc: Michal Mrozek <michal.mrozek@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

Dynamic load-balancing disable hasn't landed in i915 yet (although it
probably will soon).  Assuming we wait for that to happen first before
applying this,

       Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>

Humn... I probably grepped the wrong tree for this one since I was
seeing ccs_mode being set. Indeed it isn't :-/, so I will have to land a
fix or revert since this patch already landed a few days ago.

Lucas De Marchi



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