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drm/i915/bw: Simplify the best max_data_rate search

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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 <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260528103458.18069-12-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
This commit is contained in:
Ville Syrjälä
2026-05-28 13:34:58 +03:00
parent 7c04faaee6
commit 88b30ff4bc
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/display/intel_bw.c
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@@ -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];
}