Re: [PATCH v2 11/19] drm/i915/dsb: Don't use DSB to load the LUTs during full modeset

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> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Ville
> Syrjala
> Sent: Wednesday, June 7, 2023 12:45 AM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject:  [PATCH v2 11/19] drm/i915/dsb: Don't use DSB to load the
> LUTs during full modeset
> 
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> Using the DSB for LUT loading during full modesets would require some actual
> though. Let's just use mmio for the time being.

Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>

> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_color.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_color.c
> b/drivers/gpu/drm/i915/display/intel_color.c
> index 2d5640aab4d8..2db9d1d6dadd 100644
> --- a/drivers/gpu/drm/i915/display/intel_color.c
> +++ b/drivers/gpu/drm/i915/display/intel_color.c
> @@ -1805,6 +1805,10 @@ void intel_color_prepare_commit(struct
> intel_crtc_state *crtc_state)
>  	/* FIXME DSB has issues loading LUTs, disable it for now */
>  	return;
> 
> +	if (!crtc_state->hw.active ||
> +	    intel_crtc_needs_modeset(crtc_state))
> +		return;
> +
>  	if (!crtc_state->pre_csc_lut && !crtc_state->post_csc_lut)
>  		return;
> 
> --
> 2.39.3





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