On Wed, Feb 28, 2024 at 04:07:38PM +0530, Tejas Upadhyay wrote:
> Applying WA 14018575942 only on Compute engine has impact on
> some apps like chrome. Updating this WA to apply on Render
> engine as well as it is helping with performance on Chrome.
>
> Note: There is no concern from media team thus not applying
> WA on media engines. We will revisit if any issues reported
> from media team.
>
> V2(Matt):
> - Use correct WA number
>
> Fixes: 668f37e1ee11 ("drm/i915/mtl: Update workaround 14018778641")
> Signed-off-by: Tejas Upadhyay <tejas.upadhyay@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/intel_workarounds.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index d67d44611c28..25413809b9dc 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -1653,6 +1653,7 @@ static void
> xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
> {
> /* Wa_14018575942 / Wa_18018781329 */
> + wa_mcr_write_or(wal, RENDER_MOD_CTRL, FORCE_MISS_FTLB);
> wa_mcr_write_or(wal, COMP_MOD_CTRL, FORCE_MISS_FTLB);
>
> /* Wa_22016670082 */
> --
> 2.25.1
>
--
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation
