[Intel-gfx] [PATCH] Disable frame buffer compression on ironlake

[Alex,Shi]

 Open fbc will cause about 1 Watts power increase on ironlake
 for bltk-office/player benchmark. So just disable it and left
 code here to waiting for better solution.

Signed-off-by: Alex Shi <alex.shi at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 80745f8..029af7a 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -150,7 +150,7 @@ static const struct intel_device_info intel_ironlake_d_info = {
 
 static const struct intel_device_info intel_ironlake_m_info = {
 	.gen = 5, .is_mobile = 1,
-	.need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1,
+	.need_gfx_hws = 1, .has_fbc = 0, .has_rc6 = 1, .has_hotplug = 1,
 	.has_bsd_ring = 1,
 };
 
-- 
1.7.0