[Intel-gfx] [PATCH v2] drm/i915: Extend Wa_1607297627 to Alderlake-P

[Tvrtko Ursulin]

On 17/10/2022 14:24, José Roberto de Souza wrote:
> Workaround 1607297627 was missed for Alderlake-P, so here extending it
> to it and adding the fixes tag so this WA is backported to all
> stable kernels.
> 
> v2:
> - fixed subject
> - added Fixes tag
> 
> BSpec: 54369
> Fixes: dfb924e33927 ("drm/i915/adlp: Remove require_force_probe protection")

Cc: <stable at vger.kernel.org> # v5.17+

Regards,

Tvrtko

> Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> ---
>   drivers/gpu/drm/i915/gt/intel_workarounds.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index b8eb20a155f0d..e1d5df3a5756e 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -2300,11 +2300,11 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
>   	}
>   
>   	if (IS_DG1_GRAPHICS_STEP(i915, STEP_A0, STEP_B0) ||
> -	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915)) {
> +	    IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915) || IS_ALDERLAKE_P(i915)) {
>   		/*
>   		 * Wa_1607030317:tgl
>   		 * Wa_1607186500:tgl
> -		 * Wa_1607297627:tgl,rkl,dg1[a0]
> +		 * Wa_1607297627:tgl,rkl,dg1[a0],adlp
>   		 *
>   		 * On TGL and RKL there are multiple entries for this WA in the
>   		 * BSpec; some indicate this is an A0-only WA, others indicate