Commit eee18939 authored by Chris Wilson's avatar Chris Wilson Committed by Jani Nikula

drm/i915/gtt: Downgrade gen7 (ivb, byt, hsw) back to aliasing-ppgtt

Full-ppgtt on gen7 is proving to be highly unstable and not robust.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/694
Fixes: 3cd6e886 ("drm/i915/gen7: Re-enable full-ppgtt for ivb & hsw")
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Acked-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200224101120.4024481-1-chris@chris-wilson.co.uk
(cherry picked from commit 4fbe112a)
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent b5dacc8f
...@@ -437,7 +437,7 @@ static const struct intel_device_info snb_m_gt2_info = { ...@@ -437,7 +437,7 @@ static const struct intel_device_info snb_m_gt2_info = {
.has_rc6 = 1, \ .has_rc6 = 1, \
.has_rc6p = 1, \ .has_rc6p = 1, \
.has_rps = true, \ .has_rps = true, \
.ppgtt_type = INTEL_PPGTT_FULL, \ .ppgtt_type = INTEL_PPGTT_ALIASING, \
.ppgtt_size = 31, \ .ppgtt_size = 31, \
IVB_PIPE_OFFSETS, \ IVB_PIPE_OFFSETS, \
IVB_CURSOR_OFFSETS, \ IVB_CURSOR_OFFSETS, \
...@@ -494,7 +494,7 @@ static const struct intel_device_info vlv_info = { ...@@ -494,7 +494,7 @@ static const struct intel_device_info vlv_info = {
.has_rps = true, .has_rps = true,
.display.has_gmch = 1, .display.has_gmch = 1,
.display.has_hotplug = 1, .display.has_hotplug = 1,
.ppgtt_type = INTEL_PPGTT_FULL, .ppgtt_type = INTEL_PPGTT_ALIASING,
.ppgtt_size = 31, .ppgtt_size = 31,
.has_snoop = true, .has_snoop = true,
.has_coherent_ggtt = false, .has_coherent_ggtt = false,
......
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