On Fri, 2025-10-17 at 19:14 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <[email protected]>
> 
> Feels more sensible to check the original unmangled watermarks
> against the allocated DDB size first, and only then do
> skl_wm_check_vblank() on whatever is left.
> 
> Signed-off-by: Ville Syrjälä <[email protected]>
> ---

Sorry for the delay... Somehow I missed these 3 last patches.

Reviewed-by: Luca Coelho <[email protected]>

--
Cheers,
Luca.


>  drivers/gpu/drm/i915/display/skl_watermark.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c 
> b/drivers/gpu/drm/i915/display/skl_watermark.c
> index 256162da9afc..764770fab7e7 100644
> --- a/drivers/gpu/drm/i915/display/skl_watermark.c
> +++ b/drivers/gpu/drm/i915/display/skl_watermark.c
> @@ -2346,7 +2346,7 @@ static int skl_build_pipe_wm(struct intel_atomic_state 
> *state,
>  
>       crtc_state->wm.skl.optimal = crtc_state->wm.skl.raw;
>  
> -     return skl_wm_check_vblank(crtc_state);
> +     return 0;
>  }
>  
>  static bool skl_wm_level_equals(const struct skl_wm_level *l1,
> @@ -2923,6 +2923,10 @@ skl_compute_wm(struct intel_atomic_state *state)
>       for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
>               struct skl_pipe_wm *pipe_wm = &new_crtc_state->wm.skl.optimal;
>  
> +             ret = skl_wm_check_vblank(new_crtc_state);
> +             if (ret)
> +                     return ret;
> +
>               /*
>                * We store use_sagv_wm in the crtc state rather than relying on
>                * that bw state since we have no convenient way to get at the

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