On Tue, Mar 18, 2025 at 01:05:33PM +0530, Ankit Nautiyal wrote:
> For platforms that enable VRR TG only for variable timings, the
> VRR_CTL.VRR_ENABLE bit indicates VRR is active. For platforms that
> always have VRR TG enabled, the VRR_CTL.VRR_ENABLE bit indicates VRR
> is active only when not in fixed refresh rate mode.
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nauti...@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_vrr.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c 
> b/drivers/gpu/drm/i915/display/intel_vrr.c
> index 3f610e382883..66afa66c66af 100644
> --- a/drivers/gpu/drm/i915/display/intel_vrr.c
> +++ b/drivers/gpu/drm/i915/display/intel_vrr.c
> @@ -630,6 +630,7 @@ void intel_vrr_get_config(struct intel_crtc_state 
> *crtc_state)
>       struct intel_display *display = to_intel_display(crtc_state);
>       enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
>       u32 trans_vrr_ctl, trans_vrr_vsync;
> +     bool vrr_enable;
>  
>       trans_vrr_ctl = intel_de_read(display,
>                                     TRANS_VRR_CTL(display, cpu_transcoder));
> @@ -673,7 +674,12 @@ void intel_vrr_get_config(struct intel_crtc_state 
> *crtc_state)
>               }
>       }
>  
> -     crtc_state->vrr.enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE;
> +     vrr_enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE;
> +
> +     if (intel_vrr_always_use_vrr_tg(display))
> +             crtc_state->vrr.enable = vrr_enable && 
> !intel_vrr_is_fixed_rr(crtc_state);
> +     else
> +             crtc_state->vrr.enable = vrr_enable;

Ah, this fixes the intel_vrr_always_use_vrr_tg() case.

Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>

>  
>       /*
>        * #TODO: For Both VRR and CMRR the flag I915_MODE_FLAG_VRR is set for 
> mode_flags.
> -- 
> 2.45.2

-- 
Ville Syrjälä
Intel

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