Commit 769bcb57 authored by Ankit Nautiyal's avatar Ankit Nautiyal
Browse files

drm/i915/dp: Extract helper to get the hdisplay limit 



Separate out function to get the hdisplay limit for a given platform.

v2: Rename the helper to intel_dp_max_hdisplay_per_pipe(). (Imre)

Signed-off-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260202103731.357416-4-ankit.k.nautiyal@intel.com
parent 19f0dc41

drivers/gpu/drm/i915/display/intel_dp.c

+7 −4
Original line number Diff line number Diff line
@@ -1371,6 +1371,12 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, 
	return MODE_OK;

}



static

int intel_dp_max_hdisplay_per_pipe(struct intel_display *display)

{

	return DISPLAY_VER(display) >= 30 ? 6144 : 5120;

}



static

bool intel_dp_needs_joiner(struct intel_dp *intel_dp,

			   struct intel_connector *connector,
@@ -1378,17 +1384,14 @@ bool intel_dp_needs_joiner(struct intel_dp *intel_dp, 
			   int num_joined_pipes)

{

	struct intel_display *display = to_intel_display(intel_dp);

	int hdisplay_limit;



	if (!intel_dp_has_joiner(intel_dp))

		return false;



	num_joined_pipes /= 2;



	hdisplay_limit = DISPLAY_VER(display) >= 30 ? 6144 : 5120;



	return clock > num_joined_pipes * display->cdclk.max_dotclk_freq ||

	       hdisplay > num_joined_pipes * hdisplay_limit;

	       hdisplay > num_joined_pipes * intel_dp_max_hdisplay_per_pipe(display);

}



int intel_dp_num_joined_pipes(struct intel_dp *intel_dp,