[Intel-gfx] [PATCH 1/2] drm/i915/display/tgl: Bump up the mode vertical limits to support 8K

[Souza, Jose]

On Tue, 2019-07-09 at 14:47 -0700, Manasi Navare wrote:
> On TGL+ we support 8K display resolution, hence bump up the vertical
> active limits to 4320 in intel_mode_valid()
> 
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index f07081815b80..0d5c8af01f54 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -15764,8 +15764,13 @@ intel_mode_valid(struct drm_device *dev,
>  			   DRM_MODE_FLAG_CLKDIV2))
>  		return MODE_BAD;
>  
> -	if (INTEL_GEN(dev_priv) >= 9 ||
> -	    IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
> +	if (INTEL_GEN(dev_priv) >=12) {


if (INTEL_GEN(dev_priv) >= 12) {

> +		hdisplay_max = 8192;
> +		vdisplay_max = 4320;
> +		htotal_max = 8192;
> +		vtotal_max = 8192;
> +	} else if (INTEL_GEN(dev_priv) >= 9 ||
> +		   IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
>  		hdisplay_max = 8192; /* FDI max 4096 handled elsewhere
> */
>  		vdisplay_max = 4096;
>  		htotal_max = 8192;