From: Kai Chen Date: Tue, 23 May 2017 21:58:11 +0000 (-0700) Subject: drm/i915: Disable decoupled MMIO X-Git-Tag: v4.11.6~1 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a9a78ba17df6ee1e2d990bc67f362abac3e999e;p=thirdparty%2Fkernel%2Fstable.git drm/i915: Disable decoupled MMIO commit 4c4c565513cca1c53a12956640b5915727431631 upstream. 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: 85ee17ebeedd ("drm/i915/bxt: Broxton decoupled MMIO") Cc: Zhe Wang Cc: Praveen Paneri Cc: Tvrtko Ursulin Cc: Daniel Vetter Cc: Jani Nikula Cc: intel-gfx@lists.freedesktop.org Signed-off-by: Kai Chen Reviewed-by: Tvrtko Ursulin Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/20170523215812.18328-2-kai.chen@intel.com (cherry picked from commit 0051c10acabb631cfd439eae73289e6e4c39b2b7) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 9bbbd4e83e3c5..9bfe9520e7a80 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -389,7 +389,6 @@ static const struct intel_device_info intel_skylake_gt3_info = { .has_hw_contexts = 1, \ .has_logical_ring_contexts = 1, \ .has_guc = 1, \ - .has_decoupled_mmio = 1, \ .has_aliasing_ppgtt = 1, \ .has_full_ppgtt = 1, \ .has_full_48bit_ppgtt = 1, \