If it wasn't never enabled by kernel parameter or platform default we can avoid reading registers so many times in vain
Cc: Paulo Zanoni <[email protected]> Signed-off-by: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/intel_pm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a988862..afcc284 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -339,6 +339,12 @@ bool intel_fbc_enabled(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + /* If it wasn't never enabled by kernel parameter or platform default + * we can avoid reading registers so many times in vain + */ + if (!i915.enable_fbc) + return false; + if (!dev_priv->display.fbc_enabled) return false; -- 1.9.3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
