On Wed, Jan 18, 2023 at 10:51:59AM +0200, Jouni Högander wrote:
> Implement Wa_14014971492 and apply it for affected platforms.
> 
> Bspec: 52890, 54369, 55378, 66624
> 
> Cc: Mika Kahola <[email protected]>
> Cc: José Roberto de Souza <[email protected]>
> Signed-off-by: Jouni Högander <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_psr.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_psr.c 
> b/drivers/gpu/drm/i915/display/intel_psr.c
> index 7d4a15a283a0..24900a790508 100644
> --- a/drivers/gpu/drm/i915/display/intel_psr.c
> +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> @@ -1842,6 +1842,11 @@ int intel_psr2_sel_fetch_update(struct 
> intel_atomic_state *state,
>       if (full_update)
>               goto skip_sel_fetch_set_loop;
>  
> +     /* Wa_14014971492 */
> +     if ((IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) ||
> +          IS_DISPLAY_VER(dev_priv, 12, 13))

This is not true.

This lineage number shows as not needed for most of platforms with
the display version 12.
you should only have TGL and ADL-P here, besides the MTL one...

Which, btw, why we have a MTL_DISPLAY macro instead of using the display
version :'( 

&& crtc_state->splitter.enable)
> +             pipe_clip.y1 = 0;
> +
>       ret = drm_atomic_add_affected_planes(&state->base, &crtc->base);
>       if (ret)
>               return ret;
> -- 
> 2.34.1
> 

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