From: Ville Syrjälä <[email protected]>

Pull the "do we have fences?" check into a single helper in the FBC
code. Avoids having to call to outside the display code in multiple
places for this.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c 
b/drivers/gpu/drm/i915/display/intel_fbc.c
index 8488f82143a4..ba9820d4b78f 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -229,6 +229,11 @@ static u16 intel_fbc_override_cfb_stride(const struct 
intel_plane_state *plane_s
        return 0;
 }
 
+static bool intel_fbc_has_fences(struct drm_i915_private *i915)
+{
+       return intel_gt_support_legacy_fencing(to_gt(i915));
+}
+
 static u32 i8xx_fbc_ctl(struct intel_fbc *fbc)
 {
        const struct intel_fbc_state *fbc_state = &fbc->state;
@@ -620,7 +625,7 @@ static void ivb_fbc_activate(struct intel_fbc *fbc)
        else if (DISPLAY_VER(i915) == 9)
                skl_fbc_program_cfb_stride(fbc);
 
-       if (intel_gt_support_legacy_fencing(to_gt(i915)))
+       if (intel_fbc_has_fences(i915))
                snb_fbc_program_fence(fbc);
 
        /* wa_14019417088 Alternative WA*/
@@ -1154,7 +1159,7 @@ static void intel_fbc_update_state(struct 
intel_atomic_state *state,
        fbc_state->fence_y_offset = intel_plane_fence_y_offset(plane_state);
 
        drm_WARN_ON(&i915->drm, plane_state->flags & PLANE_HAS_FENCE &&
-                   !intel_gt_support_legacy_fencing(to_gt(i915)));
+                   !intel_fbc_has_fences(i915));
 
        if (plane_state->flags & PLANE_HAS_FENCE)
                fbc_state->fence_id =  i915_vma_fence_id(plane_state->ggtt_vma);
-- 
2.44.2

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