diff options
| author | Eric Anholt <eric@anholt.net> | 2017-02-27 12:11:44 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2017-02-28 12:51:49 -0800 |
| commit | b787963ae243a4a25057c9d1285a600e2c3f6237 (patch) | |
| tree | 0fd7b6029e5f4edf98b4065bace9953d02e078e2 | |
| parent | f6c01530fd987eb70e051580d831ac04ef920352 (diff) | |
drm/vc4: Add a paragraph at the top of vc4 docs introducing what it is.
This makes for more sensible documentation of the whole module than
jumping straight into the details of display.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170227201144.10970-5-eric@anholt.net
| -rw-r--r-- | Documentation/gpu/vc4.rst | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.c | 16 |
2 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/gpu/vc4.rst b/Documentation/gpu/vc4.rst index b06117b5d495..5df1d98b9544 100644 --- a/Documentation/gpu/vc4.rst +++ b/Documentation/gpu/vc4.rst @@ -2,6 +2,9 @@ drm/vc4 Broadcom VC4 Graphics Driver ===================================== +.. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c + :doc: Broadcom VC4 Graphics Driver + Display Hardware Handling ========================= diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 4f93328a2f20..205c1961ffb4 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -7,6 +7,22 @@ * published by the Free Software Foundation. */ +/** + * DOC: Broadcom VC4 Graphics Driver + * + * The Broadcom VideoCore 4 (present in the Raspberry Pi) contains a + * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly + * configurable display output pipeline that supports HDMI, DSI, DPI, + * and Composite TV output. + * + * The 3D engine also has an interface for submitting arbitrary + * compute shader-style jobs using the same shader processor as is + * used for vertex and fragment shaders in GLES 2.0. However, given + * that the hardware isn't able to expose any standard interfaces like + * OpenGL compute shaders or OpenCL, it isn't supported by this + * driver. + */ + #include <linux/clk.h> #include <linux/component.h> #include <linux/device.h> |