From 88b30ff4bc52f959e46599b14ab16674e8ebfde8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 28 May 2026 13:34:58 +0300 Subject: [PATCH] drm/i915/bw: Simplify the best max_data_rate search MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit For some reason we're tracking the best max_data_rate as the difference between the required data_rate and max_data_rate. That's pointlessly complicated as we're just looking for the minimum max_data_rate that is greater or equal to data_rate. Signed-off-by: Ville Syrjälä Link: https://patch.msgid.link/20260528103458.18069-12-ville.syrjala@linux.intel.com Reviewed-by: Vinod Govindapillai --- drivers/gpu/drm/i915/display/intel_bw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 423cae2ff208..41539fdfeac5 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -1112,8 +1112,8 @@ static int mtl_find_qgv_points(struct intel_display *display, if (max_data_rate < data_rate) continue; - if (max_data_rate - data_rate < best_rate) { - best_rate = max_data_rate - data_rate; + if (max_data_rate < best_rate) { + best_rate = max_data_rate; qgv_peak_bw = display->bw.peakbw[i]; }