drm/i915/vrr: Avoid redundant TRANS_PUSH write in intel_vrr_enable()

We keep TRANS_PUSH_EN always set for always_use_vrr_tg() platfforms,
so there is no need to write it again in  intel_vrr_enable().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20251020185038.4272-10-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index b2f139addc8bac1f9a12359e0082942593b4650d..6e8f8e673312c0a004c313c598347f2ce4b88240 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -709,12 +709,12 @@ void intel_vrr_enable(const struct intel_crtc_state *crtc_state)
 
        intel_vrr_set_vrr_timings(crtc_state);
 
-       intel_de_write(display, TRANS_PUSH(display, cpu_transcoder),
-                      TRANS_PUSH_EN);
-
        if (!intel_vrr_always_use_vrr_tg(display)) {
                intel_vrr_set_db_point_and_transmission_line(crtc_state);
 
+               intel_de_write(display, TRANS_PUSH(display, cpu_transcoder),
+                              TRANS_PUSH_EN);
+
                if (crtc_state->cmrr.enable) {
                        intel_de_write(display, TRANS_VRR_CTL(display, cpu_transcoder),
                                       VRR_CTL_VRR_ENABLE | VRR_CTL_CMRR_ENABLE |