On Wed, 14 Apr 2021, Ville Syrjala <ville.syrj...@linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> We try to set no_fbc_reason when FBC is not possible, let's
> consistently clear when activating FBC.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nik...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_fbc.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c
> b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 4968e79a6235..fb8c0872a2b7 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -411,6 +411,17 @@ bool intel_fbc_is_active(struct drm_i915_private
> *dev_priv)
> return dev_priv->fbc.active;
> }
>
> +static void intel_fbc_activate(struct drm_i915_private *dev_priv)
> +{
> + struct intel_fbc *fbc = &dev_priv->fbc;
> +
> + drm_WARN_ON(&dev_priv->drm, !mutex_is_locked(&fbc->lock));
> +
> + intel_fbc_hw_activate(dev_priv);
> +
> + fbc->no_fbc_reason = NULL;
> +}
> +
> static void intel_fbc_deactivate(struct drm_i915_private *dev_priv,
> const char *reason)
> {
> @@ -1094,7 +1105,7 @@ static void __intel_fbc_post_update(struct intel_crtc
> *crtc)
> return;
>
> if (!fbc->busy_bits)
> - intel_fbc_hw_activate(dev_priv);
> + intel_fbc_activate(dev_priv);
> else
> intel_fbc_deactivate(dev_priv, "frontbuffer write");
> }
--
Jani Nikula, Intel Open Source Graphics Center
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