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path: root/drivers/gpu/drm/i915/intel_sprite.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 28a1209d87e2..86fc9b529f2d 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -66,7 +66,13 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
1000 * adjusted_mode->crtc_htotal);
}
+/* FIXME: We should instead only take spinlocks once for the entire update
+ * instead of once per mmio. */
+#if IS_ENABLED(CONFIG_PROVE_LOCKING)
+#define VBLANK_EVASION_TIME_US 250
+#else
#define VBLANK_EVASION_TIME_US 100
+#endif
/**
* intel_pipe_update_start() - start update of a set of display registers