From 769bcb5733dd63b9e39f51125dfe417a10a783df Mon Sep 17 00:00:00 2001 From: Ankit Nautiyal Date: Mon, 2 Feb 2026 16:07:17 +0530 Subject: [PATCH] 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: Ankit Nautiyal Reviewed-by: Imre Deak Link: https://patch.msgid.link/20260202103731.357416-4-ankit.k.nautiyal@intel.com --- drivers/gpu/drm/i915/display/intel_dp.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index fee95eea6757..8dcbc4b76a1a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -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,