[Intel-gfx] [PATCH] drm/i915/psr: Apply Wa_14015648006 for all display 14 steppings

[Matt Roper]

On Tue, Aug 29, 2023 at 12:44:35PM +0300, Jouni Högander wrote:
> According to recent Bspec Wa 14015648006 has to be applied for all display
> 14 steppings.
> 
> Bspec: 66624
> 
> Signed-off-by: Jouni Högander <jouni.hogander at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

and applied to drm-intel-next.  Thanks for the patch.


Matt

> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
> index 887d0b77ae9a..f03634750669 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1360,8 +1360,7 @@ static void wm_optimization_wa(struct intel_dp *intel_dp,
>  	bool set_wa_bit = false;
>  
>  	/* Wa_14015648006 */
> -	if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0) ||
> -	    IS_DISPLAY_VER(dev_priv, 11, 13))
> +	if (IS_DISPLAY_VER(dev_priv, 11, 14))
>  		set_wa_bit |= crtc_state->wm_level_disabled;
>  
>  	/* Wa_16013835468 */
> -- 
> 2.34.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation