drm/i915/mst: remove crtc_state->pbn

The crtc_state->pbn member is only used as a temporary variable within
mst_stream_find_vcpi_slots_for_bpp(). Remove it as unnecessary.

Suggested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/726aaadbd425057dfd854e42417bcf8d69b769d3.1735912293.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index f230163226d144d137988aef83ec907051d5d294..8271e50e36447a6c97a93ca0d0b83327ff6ee461 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1160,8 +1160,6 @@ struct intel_crtc_state {
 
        bool double_wide;
 
-       int pbn;
-
        struct intel_crtc_scaler_state scaler_state;
 
        /* w/a for waiting 2 vblanks during crtc enable */

diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index f1adb1d0ecb389b27c3589e357a822072ce9eb2d..2ab960a8bd8e3a3c11964bb5460b35fb80b84c0c 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -321,14 +321,13 @@ static int mst_stream_find_vcpi_slots_for_bpp(struct intel_dp *intel_dp,
                 * first branch device's link also applies here.
                 */
                pbn.full = remote_tu * mst_state->pbn_div.full;
-               crtc_state->pbn = dfixed_trunc(pbn);
 
                drm_WARN_ON(display->drm, remote_tu < crtc_state->dp_m_n.tu);
                crtc_state->dp_m_n.tu = remote_tu;
 
                slots = drm_dp_atomic_find_time_slots(state, &intel_dp->mst_mgr,
                                                      connector->port,
-                                                     crtc_state->pbn);
+                                                     dfixed_trunc(pbn));
                if (slots == -EDEADLK)
                        return slots;