drm/i915: Update bw_state->active_pipes during readout

Update bw_state->active_pipes during readout.

This was completely missing from the current readout code.

Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306163420.3961-12-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 0090ee7e73a109cc9c2926104d3d040caf093679..30e6f33d6f301a758ca351ed4552c9d02d38104d 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -1431,9 +1431,15 @@ void intel_bw_update_hw_state(struct intel_display *display)
        if (DISPLAY_VER(display) < 9)
                return;
 
+       bw_state->active_pipes = 0;
+
        for_each_intel_crtc(display->drm, crtc) {
                const struct intel_crtc_state *crtc_state =
                        to_intel_crtc_state(crtc->base.state);
+               enum pipe pipe = crtc->pipe;
+
+               if (crtc_state->hw.active)
+                       bw_state->active_pipes |= BIT(pipe);
 
                intel_bw_crtc_update(bw_state, crtc_state);
        }