diff options
| author | Changbin Du | 2018-05-08 11:07:05 +0200 |
|---|---|---|
| committer | Joonas Lahtinen | 2018-06-05 15:57:01 +0200 |
| commit | 52b2416ceb72e8f757eb56de5a98ade04d9b062d (patch) | |
| tree | 7cb2033bcadfeb82d0cdc1bb1b7b05d26946b03e /drivers/gpu/drm/i915/i915_gem.c | |
| parent | drm/i915/icl: Don't update enabled dbuf slices struct until updated in hw (diff) | |
| download | kernel-qcow2-linux-52b2416ceb72e8f757eb56de5a98ade04d9b062d.tar.gz kernel-qcow2-linux-52b2416ceb72e8f757eb56de5a98ade04d9b062d.tar.xz kernel-qcow2-linux-52b2416ceb72e8f757eb56de5a98ade04d9b062d.zip | |
drm/i915: Add new vGPU cap info bit VGT_CAPS_HUGE_GTT
This adds a new vGPU cap info bit VGT_CAPS_HUGE_GTT, which is to detect
whether the host supports shadowing of huge gtt pages. If host does
support it, remove the page sizes restriction for vGPU.
Signed-off-by: Changbin Du <changbin.du@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1525770425-5373-1-git-send-email-changbin.du@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index cb680ddafa0c..2a51a2b6d22c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5409,12 +5409,8 @@ int i915_gem_init(struct drm_i915_private *dev_priv) { int ret; - /* - * We need to fallback to 4K pages since gvt gtt handling doesn't - * support huge page entries - we will need to check either hypervisor - * mm can support huge guest page or just do emulation in gvt. - */ - if (intel_vgpu_active(dev_priv)) + /* We need to fallback to 4K pages if host doesn't support huge gtt. */ + if (intel_vgpu_active(dev_priv) && !intel_vgpu_has_huge_gtt(dev_priv)) mkwrite_device_info(dev_priv)->page_sizes = I915_GTT_PAGE_SIZE_4K; |