diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2014-11-14 15:05:59 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-11-14 18:17:31 +0100 |
| commit | 70ee45e10bd06d5c41c46bd0f685b7c04c72b52d (patch) | |
| tree | 9bcf5e2c94b06aa590ac561567d5dec9c6433d24 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | 21318cce5a77ad3e90f6974119389ed632cc8b15 (diff) | |
drm/i915/skl: Don't allow disabling ppgtt and execlists on gen9+
Running the driver without execlists and hence PPGTT (either aliasing or
full) isn't a supported configuration on gen9+.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 68a27b2d365..29a4486c62a 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -43,7 +43,12 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) if (IS_GEN8(dev)) has_full_ppgtt = false; /* XXX why? */ - if (enable_ppgtt == 0 || !has_aliasing_ppgtt) + /* + * We don't allow disabling PPGTT for gen9+ as it's a requirement for + * execlists, the sole mechanism available to submit work. + */ + if (INTEL_INFO(dev)->gen < 9 && + (enable_ppgtt == 0 || !has_aliasing_ppgtt)) return 0; if (enable_ppgtt == 1) |