[Intel-gfx] [PATCH v2 5/9] drm/i915: Add missing invalidate to g4x wm readout

[Lisovskiy, Stanislav]

On Wed, Jun 22, 2022 at 06:54:48PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Let's not forget to mark the unused watermark levels as invalid
> after the readout. The vlv/chv codepath has this but the g4x
> didn't for some reason.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 45ec00e2e3c4..734deb0bd867 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -6915,6 +6915,8 @@ void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv)
>  					     plane_id, USHRT_MAX);
>  		g4x_raw_fbc_wm_set(crtc_state, level, USHRT_MAX);
>  
> +		g4x_invalidate_wms(crtc, active, level);
> +
>  		crtc_state->wm.g4x.optimal = *active;
>  		crtc_state->wm.g4x.intermediate = *active;
>  
> -- 
> 2.35.1
>