Re: [PATCH v12 4/8] drm/i915/display/dp: Add wrapper function to check AS SDP

["Nautiyal, Ankit K" <ankit.k.nautiyal@intel.com>]

On 2/28/2024 8:08 PM, Mitul Golani wrote:
> Add a wrapper function to check if both the source and
> sink support Adaptive Sync SDP.
>
> Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>

Just use drm/i915/dp in subject line


Otherwise LGTM.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>


> ---
>   drivers/gpu/drm/i915/display/intel_display_device.h | 1 +
>   drivers/gpu/drm/i915/display/intel_dp.c             | 8 ++++++++
>   drivers/gpu/drm/i915/display/intel_dp.h             | 1 +
>   3 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
> index fe4268813786..6399fbc6c738 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.h
> @@ -68,6 +68,7 @@ struct drm_printer;
>   #define HAS_TRANSCODER(i915, trans)	((DISPLAY_RUNTIME_INFO(i915)->cpu_transcoder_mask & \
>   					  BIT(trans)) != 0)
>   #define HAS_VRR(i915)			(DISPLAY_VER(i915) >= 11)
> +#define HAS_AS_SDP(i915)		(DISPLAY_VER(i915) >= 13)
>   #define INTEL_NUM_PIPES(i915)		(hweight8(DISPLAY_RUNTIME_INFO(i915)->pipe_mask))
>   #define I915_HAS_HOTPLUG(i915)		(DISPLAY_INFO(i915)->has_hotplug)
>   #define OVERLAY_NEEDS_PHYSICAL(i915)	(DISPLAY_INFO(i915)->overlay_needs_physical)
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index e5377cdc71c6..7eb83924f3fe 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -120,6 +120,14 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp)
>   	return dig_port->base.type == INTEL_OUTPUT_EDP;
>   }
>   
> +bool intel_dp_as_sdp_supported(struct intel_dp *intel_dp)
> +{
> +	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> +
> +	return HAS_AS_SDP(i915) &&
> +		drm_dp_as_sdp_supported(&intel_dp->aux, intel_dp->dpcd);
> +}
> +
>   static void intel_dp_unset_edid(struct intel_dp *intel_dp);
>   
>   /* Is link rate UHBR and thus 128b/132b? */
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
> index 530cc97bc42f..cc5e069091ff 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.h
> +++ b/drivers/gpu/drm/i915/display/intel_dp.h
> @@ -80,6 +80,7 @@ void intel_dp_audio_compute_config(struct intel_encoder *encoder,
>   				   struct drm_connector_state *conn_state);
>   bool intel_dp_has_hdmi_sink(struct intel_dp *intel_dp);
>   bool intel_dp_is_edp(struct intel_dp *intel_dp);
> +bool intel_dp_as_sdp_supported(struct intel_dp *intel_dp);
>   bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);
>   int intel_dp_link_symbol_size(int rate);
>   int intel_dp_link_symbol_clock(int rate);