From: Imre Deak Date: Mon, 15 Dec 2025 19:23:54 +0000 (+0200) Subject: drm/i915/dp: Fail state computation for invalid max throughput BPP value X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c2d799491f20baca033245dfe86eec1f5b93256;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dp: Fail state computation for invalid max throughput BPP value There is no reason to accept a minimum/maximum link BPP value above the maximum throughput BPP value, fail the state computation in this case. Reviewed-by: Vinod Govindapillai Reviewed-by: Luca Coelho Signed-off-by: Imre Deak Link: https://patch.msgid.link/20251215192357.172201-15-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a89c9eec62b3..206184e6ba66 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2630,8 +2630,6 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, max_link_bpp_x16 = min(max_link_bpp_x16, fxp_q4_from_int(dsc_max_bpp)); throughput_max_bpp_x16 = dsc_throughput_quirk_max_bpp_x16(connector, crtc_state); - throughput_max_bpp_x16 = clamp(throughput_max_bpp_x16, - limits->link.min_bpp_x16, max_link_bpp_x16); if (throughput_max_bpp_x16 < max_link_bpp_x16) { max_link_bpp_x16 = throughput_max_bpp_x16;