[Intel-gfx] [v2 2/2] Revert "drm/i915/display/fbc: Disable fbc by default on TGL"

[Ville Syrjälä]

On Thu, Nov 19, 2020 at 09:20:50PM +0530, Uma Shankar wrote:
> FBC can be re-enabled on TGL with WA of keeping it disabled
> while PSR2 is enabled.
> 
> This reverts commit 2982ded2ff5ce0cf1a49bc39a526da182782b664.
> 
> Signed-off-by: Uma Shankar <uma.shankar at intel.com>

Sorry, forgot to review this one.

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_fbc.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> index c64ed1cd29b1..7a5783564a0f 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -1444,13 +1444,6 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
>  	if (!HAS_FBC(dev_priv))
>  		return 0;
>  
> -	/*
> -	 * Fbc is causing random underruns in CI execution on TGL platforms.
> -	 * Disabling the same while the problem is being debugged and analyzed.
> -	 */
> -	if (IS_TIGERLAKE(dev_priv))
> -		return 0;
> -
>  	if (IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9)
>  		return 1;
>  
> -- 
> 2.26.2

-- 
Ville Syrjälä
Intel