Commit 4c4c5655 authored by Kai Chen's avatar Kai Chen Committed by Jani Nikula

drm/i915: Disable decoupled MMIO

The decoupled MMIO feature doesn't work as intended by HW team. Enabling
it with forcewake will only make debugging efforts more difficult, so
let's disable it.

Fixes: 85ee17eb ("drm/i915/bxt: Broxton decoupled MMIO")
Cc: Zhe Wang <zhe1.wang@intel.com>
Cc: Praveen Paneri <praveen.paneri@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.10+
Signed-off-by: default avatarKai Chen <kai.chen@intel.com>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170523215812.18328-2-kai.chen@intel.com
(cherry picked from commit 0051c10a)
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 4ca9a582
...@@ -390,7 +390,6 @@ static const struct intel_device_info intel_skylake_gt3_info = { ...@@ -390,7 +390,6 @@ static const struct intel_device_info intel_skylake_gt3_info = {
.has_hw_contexts = 1, \ .has_hw_contexts = 1, \
.has_logical_ring_contexts = 1, \ .has_logical_ring_contexts = 1, \
.has_guc = 1, \ .has_guc = 1, \
.has_decoupled_mmio = 1, \
.has_aliasing_ppgtt = 1, \ .has_aliasing_ppgtt = 1, \
.has_full_ppgtt = 1, \ .has_full_ppgtt = 1, \
.has_full_48bit_ppgtt = 1, \ .has_full_48bit_ppgtt = 1, \
......
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