drm/i915: Move psr unlock out from the pipe update critical section

Do the PSR unlock after the vblank evade critcal section is
fully over, not before.

Cc: Manasi Navare <navaremanasi@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901130440.2085-2-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <navaremanasi@chromium.org>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index 182c6dd..5caa928 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -646,10 +646,8 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
        ktime_t end_vbl_time = ktime_get();
        struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
-       intel_psr_unlock(new_crtc_state);
-
        if (new_crtc_state->do_async_flip)
-               return;
+               goto out;
 
        trace_intel_pipe_update_end(crtc, end_vbl_count, scanline_end);
 
@@ -709,7 +707,7 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
        local_irq_enable();
 
        if (intel_vgpu_active(dev_priv))
-               return;
+               goto out;
 
        if (crtc->debug.start_vbl_count &&
            crtc->debug.start_vbl_count != end_vbl_count) {
@@ -724,4 +722,7 @@ void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
        }
 
        dbg_vblank_evade(crtc, end_vbl_time);
+
+out:
+       intel_psr_unlock(new_crtc_state);
 }