[Intel-gfx] [PATCH v3 6/6] drm/i915: allow HDMI 2.0 clock rates

Ander Conselvan De Oliveira conselvan2 at gmail.com
Fri Feb 17 12:15:47 UTC 2017


On Fri, 2017-02-10 at 21:59 +0530, Shashank Sharma wrote:
> Geminilake has a native HDMI 2.0 controller, which is capable of
> driving clocks upto 594Mhz. This patch updates the max tmds clock
> limit for the same.
> 
> V2: rebase
> V3: rebase
> 
> Cc: Ander Conselvan De Oliveira <ander.conselvan.de.oliveira at intel.com>
> Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_hdmi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index 9970131..b1ddcc5 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -1210,6 +1210,8 @@ static int intel_hdmi_source_max_tmds_clock(struct drm_i915_private *dev_priv)
>  {
>  	if (IS_G4X(dev_priv))
>  		return 165000;
> +	else if (IS_GEMINILAKE(dev_priv))
> +		return 594000;
>  	else if (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)
>  		return 300000;
>  	else

Reviewed-by: Ander Conselvan de Oliveira <conselvan2 at gmail.com>


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