On Sat, Feb 08, 2020 at 10:01:06PM +0000, Chris Wilson wrote:
> Full-ppgtt on gen7 is proving to be highly unstable and not robust.
>
> Fixes: 3cd6e8860ecd ("drm/i915/gen7: Re-enable full-ppgtt for ivb & hsw")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> drivers/gpu/drm/i915/i915_pci.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index 24b1f0ce8743..1d678aa7d420 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -437,7 +437,7 @@ static const struct intel_device_info snb_m_gt2_info = {
> .has_rc6 = 1, \
> .has_rc6p = 1, \
> .has_rps = true, \
> - .ppgtt_type = INTEL_PPGTT_FULL, \
> + .ppgtt_type = INTEL_PPGTT_ALIASING, \
> .ppgtt_size = 31, \
> IVB_PIPE_OFFSETS, \
> IVB_CURSOR_OFFSETS, \
> @@ -494,7 +494,7 @@ static const struct intel_device_info vlv_info = {
> .has_rps = true,
> .display.has_gmch = 1,
> .display.has_hotplug = 1,
> - .ppgtt_type = INTEL_PPGTT_FULL,
> + .ppgtt_type = INTEL_PPGTT_ALIASING,
> .ppgtt_size = 31,
> .has_snoop = true,
> .has_coherent_ggtt = false,
> --
> 2.25.0
>
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