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(parent: 8f1e213) | patch
drm/i915/bxt: add workaround to avoid PTE corruption
authorRobert Beckett <robert.beckett@intel.com>
Wed, 11 Mar 2015 08:28:25 +0000 (10:28 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 14 Apr 2015 11:55:23 +0000 (13:55 +0200)
commit527a57f984d74f79c5d89ea48e27b4a2ace2de21
treed9f69e2cd278c8c5925e12b729c9ce1a9f33228dtree | snapshot
parent8f1e213a2947b82ec92c366e23d4a5d5d1c10225commit | diff
drm/i915/bxt: add workaround to avoid PTE corruption

Set TLBPF in TILECTL. This fixes an issue with BXT HW seeing
corrupted pte entries.

v2:
- move the workaround to bxt_init_clock_gating (imre)

Signed-off-by: Robert Beckett <robert.beckett@intel.com> (v1)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_reg.h diff | blob | history
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
Linux Kernel Source Tree.