diff options
| -rw-r--r-- | Documentation/DocBook/drm.tmpl | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index d385e902f5ff..3470c6b2f843 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -455,7 +455,7 @@ a GTT DRM MM object, which provides an address space pool for object allocation. In a KMS configuration, the driver needs to allocate and initialize a command ring buffer following - core GEM initialization. Most UMA devices have a so-called + core GEM initialization. A UMA device usually has a so-called "stolen" memory region, which provides space for the initial framebuffer and large, contiguous memory regions required by the device. This space is not typically managed by GEM, and must @@ -635,10 +635,10 @@ void intel_crt_init(struct drm_device *dev) a client calls the vblank wait ioctl above. </para> <para> - Devices that don't provide a count register may simply use an + A device that doesn't provide a count register may simply use an internal atomic counter incremented on every vertical blank - interrupt, and can make their enable and disable vblank - functions into no-ops. + interrupt (and then treat the enable_vblank() and disable_vblank() + callbacks as no-ops). </para> </sect1> |