[Intel-gfx] [PATCH] drm/i915/fbc/cnl: Add GLK and CNL+ hardware tracking area

[Dhinakaran Pandiyan]

On Tue, 2018-12-04 at 16:48 -0800, José Roberto de Souza wrote:
> GLK and CNL+ supports a bigger FBC tracking area.
> 
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_fbc.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c
> b/drivers/gpu/drm/i915/intel_fbc.c
> index f23570c44323..78dbacdeaece 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -626,7 +626,10 @@ static bool
> intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc)
>  	struct intel_fbc *fbc = &dev_priv->fbc;
>  	unsigned int effective_w, effective_h, max_w, max_h;
>  
> -	if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv)) {
> +	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) {
> +		max_w = 5120;
> +		max_h = 4096;
Verified against bspec.
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>

> +	} else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv)) {
>  		max_w = 4096;
>  		max_h = 4096;
>  	} else if (IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) {