From: Ankit Nautiyal Date: Wed, 27 May 2026 04:10:50 +0000 (+0530) Subject: drm/i915/dp: Account for AS_SDP guardband only when enabled X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7185566c3db090aa5e17a17bca92dfcef9656b03;p=thirdparty%2Flinux.git drm/i915/dp: Account for AS_SDP guardband only when enabled Currently the intel_dp_sdp_min_guardband() accounts for AS_SDP for all platforms that support adaptive sync SDP even for configurations where it cannot be enabled. Instead account for adaptive sync SDP guardband only when it is enabled. Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä Link: https://patch.msgid.link/20260527041050.601735-13-ankit.k.nautiyal@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 03c2ec56ee81..0ce0c09835f6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7591,7 +7591,6 @@ int intel_dp_get_lines_for_sdp(const struct intel_crtc_state *crtc_state, u32 ty int intel_dp_sdp_min_guardband(const struct intel_crtc_state *crtc_state, bool assume_all_enabled) { - struct intel_display *display = to_intel_display(crtc_state); int sdp_guardband = 0; if (assume_all_enabled || @@ -7606,8 +7605,8 @@ int intel_dp_sdp_min_guardband(const struct intel_crtc_state *crtc_state, sdp_guardband = max(sdp_guardband, intel_dp_get_lines_for_sdp(crtc_state, DP_SDP_PPS)); - if ((assume_all_enabled && HAS_AS_SDP(display)) || - crtc_state->infoframes.enable & intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC)) + if (crtc_state->infoframes.enable & + intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC)) sdp_guardband = max(sdp_guardband, intel_dp_get_lines_for_sdp(crtc_state, DP_SDP_ADAPTIVE_SYNC));