[Intel-gfx] [PATCH 18/29] drm/i915: disable rc6 on haswell for now

[Eugeni Dodonov]

This needs proper enablement to avoid machine hangs, so let's just avoid
it for now.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index cc2be0b..448f8d7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8631,6 +8631,10 @@ int intel_enable_rc6(const struct drm_device *dev)
 	if (INTEL_INFO(dev)->gen == 5)
 		return 0;
 
+	/* Sorry Haswell, no RC6 for you for now. */
+	if (IS_HASWELL(dev))
+		return 0;
+
 	/*
 	 * Disable rc6 on Sandybridge
 	 */
-- 
1.7.10