Re: drm/i915/mtl: Remove the 'force_probe' requirement for Meteor Lake

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> From: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
> 
> Meteor Lake has demonstrated consistent stability for some time.
> All user-space API modifications tide to its core platform
> functions are operational.
> 
> The necessary firmware components are set up and comprehensive
> testing has been condused over a period.
> 
> Given the recent faborable CI results, as well, we believe it's
> time to eliminate the 'force_probe' prerequisite and activate the
> platform by default.
> 
> Signed-off-by: Aditya Chauhan <aditya.chauhan@xxxxxxxxx>
> Signed-off-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
> Signed-off-by: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx>
> Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx>
> Signed-off-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx>
> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
> Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
> Hello,
> 
> This patch eliminates the 'force probe' for the MTL platforms. Over the recent
> weeks, MTL has demonstrated stability, consistently passing BAT tests with
> success rates ranging from 98% to 100%.
> 
> There's a single issue hindering us from achieving a 100% BAT test coverage.
> Fortunately, we've identified the issue, and the proposed solution can be found
> here[*]. The CI results are encouraging.
> 
> Once all reviews are addressed, we plan to submit this series with the "Fixes:"
> tag.
> 
> Thank you and best regards,
> Andi and Radhakrishna
> 
> [*] https://patchwork.freedesktop.org/series/124744/
> 
>  drivers/gpu/drm/i915/i915_pci.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index df7c261410f7..fe748906c06f 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -836,7 +836,6 @@  static const struct intel_device_info mtl_info = {
>  	.has_pxp = 1,
>  	.memory_regions = REGION_SMEM | REGION_STOLEN_LMEM,
>  	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(CCS0),
> -	.require_force_probe = 1,
>  	MTL_CACHELEVEL,
>  };
>  

Test on my MTL device and it works properly.

Acked-by: Lee Shawn C <shawn.c.lee@xxxxxxxxx>
Tested-by: Lee Shawn C <shawn.c.lee@xxxxxxxxx>




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