diff options
| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 13:57:17 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 16:04:35 +0100 |
| commit | 7cb8468bbede8cac0d9ed69b2549788ecaa6b558 (patch) | |
| tree | e124e4764a04f68ce89c027cbd6ee3c6b6cea448 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | drm/i915: Remove pointless planes_changed=true assignment (diff) | |
| download | linux-dev-7cb8468bbede8cac0d9ed69b2549788ecaa6b558.tar.xz linux-dev-7cb8468bbede8cac0d9ed69b2549788ecaa6b558.zip | |
drm/i915/tgl: Disable read-only ppgtt support
The same read-only affliction as befell Icelake is affecting Tigerlake.
Disable the read-only support as clearly it was not fixed.
Testcase: igt/i915_selftests/live_gem_context
References: 3936867dbc1e ("drm/i915: Disable read only ppgtt support for gen11")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911125717.28997-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e4f66bfe74c2..a09a9b62afbe 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1486,8 +1486,10 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) * * Gen11 has HSDES#:1807136187 unresolved. Disable ro support * for now. + * + * Gen12 has inherited the same read-only fault issue from gen11. */ - ppgtt->vm.has_read_only = INTEL_GEN(i915) != 11; + ppgtt->vm.has_read_only = !IS_GEN_RANGE(i915, 11, 12); /* There are only few exceptions for gen >=6. chv and bxt. * And we are not sure about the latter so play safe for now. |