Re: [Intel-gfx] [PATCH v2 02/14] drm/i915/tgl: Extend Wa_1409825376 stepping

[Radhakrishna Sripada]

On Tue, Feb 25, 2020 at 05:45:51PM -0800, José Roberto de Souza wrote:
> This workaround is only fixed in C0 stepping to extend it to B0 too.
> 
> BSpec: 52890
> Cc: Radhakrishna Sripada <radhakrishna.srip...@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.srip...@intel.com>
> Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 49484d5f5f84..e6d9ec124db8 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -6852,7 +6852,7 @@ static void tgl_init_clock_gating(struct 
> drm_i915_private *dev_priv)
>                  I915_READ(POWERGATE_ENABLE) | vd_pg_enable);
>  
>       /* Wa_1409825376:tgl (pre-prod)*/
> -     if (IS_TGL_DISP_REVID(dev_priv, TGL_DISP_REVID_A0, TGL_DISP_REVID_A0))
> +     if (IS_TGL_DISP_REVID(dev_priv, TGL_DISP_REVID_A0, TGL_DISP_REVID_B0))
>               I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) |
>                          TGL_VRH_GATING_DIS);
>  }
> -- 
> 2.25.1
> 
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