[Intel-gfx] [PATCH i-g-t 1/3] lib/igt_kms migrate existing documentation to header file.
Marius Vlad
marius.c.vlad at intel.com
Tue Dec 22 02:55:26 PST 2015
On Tue, Dec 22, 2015 at 11:20:19AM +0100, Daniel Vetter wrote:
> On Tue, Dec 22, 2015 at 12:05:10PM +0200, Marius Vlad wrote:
> > Hi,
> >
> > On Mon, Dec 21, 2015 at 05:09:51PM +0100, Daniel Vetter wrote:
> > > On Mon, Dec 21, 2015 at 01:07:23PM +0200, Marius Vlad wrote:
> > > > Signed-off-by: Marius Vlad <marius.c.vlad at intel.com>
> > >
> > > Hm, why that? Given that this is against the usual style in igt this needs
> > > some justification, not an empty commit message.
> >
> > I thought that aggregating all the documentation in one place looks much
> > more cosmetic and easier to go through. Currently it seems rather hectic
> > and disorganized: defines are documented followed by some vague text
> > surrounding some functions -- although not all files exhibit this
> > behaviour is rather common from I've seen. It was rather easy to add
> > other missing documentation once I had everything in one file. We can
> > also add some lines into CONTRIBUTING so people are aware of it.
> >
> > Secondly, most of the (user-space) libraries include the documentation
> > in its header file -- hence no (proper) justification for the commit
> > message.
> >
> > I for one, I'd like to change all of the lib/* files with this approach.
>
> The idea behind keeping the documentation right next to the implementation
> is that it increases the chances that it gets updated when the function
> interface (or semantics) changes. Only docs for #defines, static inlines
> and structs should be in headers.
>
> This is the same style as used by kerneldoc, and consistency here is good
> imo.
>
> I guess for libraries it makes sense to put fully into headers since the
> primary consumer will be external people who only have the headers
> installed. But for both igt and kernel the docs are for project-internal
> use only, so there's no such constraint.
Alright. I'll keep them as is. Thanks for the feedback.
>
> Given all that I prefer the current style. Also, no one else has
> complained about it yet, so I think it's fine.
>
> Thanks, Daniel
>
> >
> > >
> > > Thanks, Daniel
> > >
> > > > ---
> > > > lib/igt_kms.c | 321 +-------------------------------------
> > > > lib/igt_kms.h | 486 +++++++++++++++++++++++++++++++++++++++++++++++++---------
> > > > 2 files changed, 418 insertions(+), 389 deletions(-)
> > > >
> > > > diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> > > > index 5d5a95c..3dc559d 100644
> > > > --- a/lib/igt_kms.c
> > > > +++ b/lib/igt_kms.c
> > > > @@ -88,23 +88,7 @@ static void update_edid_csum(unsigned char *edid)
> > > > #define EDID_NAME base_edid
> > > > #include "igt_edid_template.h"
> > > >
> > > > -/**
> > > > - * igt_kms_get_base_edid:
> > > > - *
> > > > - * Get the base edid block, which includes the following modes:
> > > > - *
> > > > - * - 1920x1080 60Hz
> > > > - * - 1280x720 60Hz
> > > > - * - 1024x768 60Hz
> > > > - * - 800x600 60Hz
> > > > - * - 640x480 60Hz
> > > > - *
> > > > - * This can be extended with further features using functions such as
> > > > - * #kmstest_edid_add_3d.
> > > > - *
> > > > - * Returns: a basic edid block
> > > > - */
> > > > -const unsigned char* igt_kms_get_base_edid(void)
> > > > +const unsigned char *igt_kms_get_base_edid(void)
> > > > {
> > > > update_edid_csum(base_edid);
> > > >
> > > > @@ -128,59 +112,13 @@ const unsigned char* igt_kms_get_base_edid(void)
> > > > #define EDID_NAME alt_edid
> > > > #include "igt_edid_template.h"
> > > >
> > > > -/**
> > > > - * igt_kms_get_alt_edid:
> > > > - *
> > > > - * Get an alternate edid block, which includes the following modes:
> > > > - *
> > > > - * - 1400x1050 60Hz
> > > > - * - 1920x1080 60Hz
> > > > - * - 1280x720 60Hz
> > > > - * - 1024x768 60Hz
> > > > - * - 800x600 60Hz
> > > > - * - 640x480 60Hz
> > > > - *
> > > > - * This can be extended with further features using functions such as
> > > > - * #kmstest_edid_add_3d.
> > > > - *
> > > > - * Returns: an alternate edid block
> > > > - */
> > > > -const unsigned char* igt_kms_get_alt_edid(void)
> > > > +const unsigned char *igt_kms_get_alt_edid(void)
> > > > {
> > > > update_edid_csum(alt_edid);
> > > >
> > > > return alt_edid;
> > > > }
> > > >
> > > > -/**
> > > > - * SECTION:igt_kms
> > > > - * @short_description: Kernel modesetting support library
> > > > - * @title: KMS
> > > > - * @include: igt.h
> > > > - *
> > > > - * This library provides support to enumerate and set modeset configurations.
> > > > - *
> > > > - * There are two parts in this library: First the low level helper function
> > > > - * which directly build on top of raw ioctls or the interfaces provided by
> > > > - * libdrm. Those functions all have a kmstest_ prefix.
> > > > - *
> > > > - * The second part is a high-level library to manage modeset configurations
> > > > - * which abstracts away some of the low-level details like the difference
> > > > - * between legacy and universal plane support for setting cursors or in the
> > > > - * future the difference between legacy and atomic commit. These high-level
> > > > - * functions have all igt_ prefixes. This part is still very much work in
> > > > - * progress and so also lacks a bit documentation for the individual functions.
> > > > - *
> > > > - * Note that this library's header pulls in the [i-g-t framebuffer](intel-gpu-tools-i-g-t-framebuffer.html)
> > > > - * library as a dependency.
> > > > - */
> > > > -
> > > > -/**
> > > > - * kmstest_pipe_name:
> > > > - * @pipe: display pipe
> > > > - *
> > > > - * Returns: String represnting @pipe, e.g. "A".
> > > > - */
> > > > const char *kmstest_pipe_name(enum pipe pipe)
> > > > {
> > > > const char *str[] = { "A", "B", "C" };
> > > > @@ -191,12 +129,6 @@ const char *kmstest_pipe_name(enum pipe pipe)
> > > > return str[pipe];
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_plane_name:
> > > > - * @plane: display plane
> > > > - *
> > > > - * Returns: String represnting @pipe, e.g. "plane1".
> > > > - */
> > > > const char *kmstest_plane_name(enum igt_plane plane)
> > > > {
> > > > static const char *names[] = {
> > > > @@ -235,12 +167,6 @@ static const char *mode_stereo_name(const drmModeModeInfo *mode)
> > > > }
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_dump_mode:
> > > > - * @mode: libdrm mode structure
> > > > - *
> > > > - * Prints @mode to stdout in a huma-readable form.
> > > > - */
> > > > void kmstest_dump_mode(drmModeModeInfo *mode)
> > > > {
> > > > const char *stereo = mode_stereo_name(mode);
> > > > @@ -256,14 +182,6 @@ void kmstest_dump_mode(drmModeModeInfo *mode)
> > > > stereo ? stereo : "", stereo ? ")" : "");
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_get_pipe_from_crtc_id:
> > > > - * @fd: DRM fd
> > > > - * @crtc_id: DRM CRTC id
> > > > - *
> > > > - * Returns: The pipe number for the given DRM CRTC @crtc_id. This maps directly
> > > > - * to an enum pipe value used in other helper functions.
> > > > - */
> > > > int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id)
> > > > {
> > > > struct drm_i915_get_pipe_from_crtc_id pfci;
> > > > @@ -317,11 +235,6 @@ err:
> > > >
> > > > static unsigned long orig_vt_mode = -1UL;
> > > >
> > > > -/**
> > > > - * kmstest_restore_vt_mode:
> > > > - *
> > > > - * Restore the VT mode in use before #kmstest_set_vt_graphics_mode was called.
> > > > - */
> > > > void kmstest_restore_vt_mode(void)
> > > > {
> > > > long ret;
> > > > @@ -335,16 +248,6 @@ void kmstest_restore_vt_mode(void)
> > > > }
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_set_vt_graphics_mode:
> > > > - *
> > > > - * Sets the controlling VT (if available) into graphics/raw mode and installs
> > > > - * an igt exit handler to set the VT back to text mode on exit. Use
> > > > - * #kmstest_restore_vt_mode to restore the previous VT mode manually.
> > > > - *
> > > > - * All kms tests must call this function to make sure that the fbcon doesn't
> > > > - * interfere by e.g. blanking the screen.
> > > > - */
> > > > void kmstest_set_vt_graphics_mode(void)
> > > > {
> > > > long ret;
> > > > @@ -367,16 +270,6 @@ static void reset_connectors_at_exit(int sig)
> > > > igt_reset_connectors();
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_force_connector:
> > > > - * @fd: drm file descriptor
> > > > - * @connector: connector
> > > > - * @state: state to force on @connector
> > > > - *
> > > > - * Force the specified state on the specified connector.
> > > > - *
> > > > - * Returns: true on success
> > > > - */
> > > > bool kmstest_force_connector(int drm_fd, drmModeConnector *connector,
> > > > enum kmstest_force_connector_state state)
> > > > {
> > > > @@ -459,18 +352,6 @@ bool kmstest_force_connector(int drm_fd, drmModeConnector *connector,
> > > > return (ret == -1) ? false : true;
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_force_edid:
> > > > - * @drm_fd: drm file descriptor
> > > > - * @connector: connector to set @edid on
> > > > - * @edid: An EDID data block
> > > > - * @length: length of the EDID data. #EDID_LENGTH defines the standard EDID
> > > > - * length
> > > > - *
> > > > - * Set the EDID data on @connector to @edid. See also #igt_kms_get_base_edid.
> > > > - *
> > > > - * If @length is zero, the forced EDID will be removed.
> > > > - */
> > > > void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
> > > > const unsigned char *edid, size_t length)
> > > > {
> > > > @@ -499,16 +380,6 @@ void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
> > > > igt_assert(ret != -1);
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_get_connector_default_mode:
> > > > - * @drm_fd: DRM fd
> > > > - * @connector: libdrm connector
> > > > - * @mode: libdrm mode
> > > > - *
> > > > - * Retrieves the default mode for @connector and stores it in @mode.
> > > > - *
> > > > - * Returns: true on success, false on failure
> > > > - */
> > > > bool kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
> > > > drmModeModeInfo *mode)
> > > > {
> > > > @@ -532,16 +403,6 @@ bool kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
> > > > return true;
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_get_connector_config:
> > > > - * @drm_fd: DRM fd
> > > > - * @connector_id: DRM connector id
> > > > - * @crtc_idx_mask: mask of allowed DRM CRTC indices
> > > > - * @config: structure filled with the possible configuration
> > > > - *
> > > > - * This tries to find a suitable configuration for the given connector and CRTC
> > > > - * constraint and fills it into @config.
> > > > - */
> > > > bool kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
> > > > unsigned long crtc_idx_mask,
> > > > struct kmstest_connector_config *config)
> > > > @@ -633,12 +494,6 @@ err1:
> > > > return false;
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_free_connector_config:
> > > > - * @config: connector configuration structure
> > > > - *
> > > > - * Free any resources in @config allocated in kmstest_get_connector_config().
> > > > - */
> > > > void kmstest_free_connector_config(struct kmstest_connector_config *config)
> > > > {
> > > > drmModeFreeCrtc(config->crtc);
> > > > @@ -646,14 +501,6 @@ void kmstest_free_connector_config(struct kmstest_connector_config *config)
> > > > drmModeFreeConnector(config->connector);
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_set_connector_dpms:
> > > > - * @fd: DRM fd
> > > > - * @connector: libdrm connector
> > > > - * @mode: DRM DPMS value
> > > > - *
> > > > - * This function sets the DPMS setting of @connector to @mode.
> > > > - */
> > > > void kmstest_set_connector_dpms(int fd, drmModeConnector *connector, int mode)
> > > > {
> > > > int i, dpms = 0;
> > > > @@ -682,21 +529,6 @@ void kmstest_set_connector_dpms(int fd, drmModeConnector *connector, int mode)
> > > > dpms, mode) == 0);
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_get_property:
> > > > - * @drm_fd: drm file descriptor
> > > > - * @object_id: object whose properties we're going to get
> > > > - * @object_type: type of obj_id (DRM_MODE_OBJECT_*)
> > > > - * @name: name of the property we're going to get
> > > > - * @prop_id: if not NULL, returns the property id
> > > > - * @value: if not NULL, returns the property value
> > > > - * @prop: if not NULL, returns the property, and the caller will have to free
> > > > - * it manually.
> > > > - *
> > > > - * Finds a property with the given name on the given object.
> > > > - *
> > > > - * Returns: true in case we found something.
> > > > - */
> > > > bool
> > > > kmstest_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
> > > > const char *name, uint32_t *prop_id /* out */,
> > > > @@ -734,16 +566,6 @@ kmstest_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
> > > > return found;
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_edid_add_3d:
> > > > - * @edid: an existing valid edid block
> > > > - * @length: length of @edid
> > > > - * @new_edid_ptr: pointer to where the new edid will be placed
> > > > - * @new_length: pointer to the size of the new edid
> > > > - *
> > > > - * Makes a copy of an existing edid block and adds an extension indicating
> > > > - * stereo 3D capabilities.
> > > > - */
> > > > void kmstest_edid_add_3d(const unsigned char *edid, size_t length,
> > > > unsigned char *new_edid_ptr[], size_t *new_length)
> > > > {
> > > > @@ -814,13 +636,6 @@ void kmstest_edid_add_3d(const unsigned char *edid, size_t length,
> > > > new_edid[length + 127] = 256 - sum;
> > > > }
> > > >
> > > > -/**
> > > > - * kmstest_unset_all_crtcs:
> > > > - * @drm_fd: the DRM fd
> > > > - * @resources: libdrm resources pointer
> > > > - *
> > > > - * Disables all the screens.
> > > > - */
> > > > void kmstest_unset_all_crtcs(int drm_fd, drmModeResPtr resources)
> > > > {
> > > > int i, rc;
> > > > @@ -964,15 +779,6 @@ static int get_drm_plane_type(int drm_fd, uint32_t plane_id)
> > > > return DRM_PLANE_TYPE_OVERLAY;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_display_init:
> > > > - * @display: a pointer to an #igt_display_t structure
> > > > - * @drm_fd: a drm file descriptor
> > > > - *
> > > > - * Initialize @display and allocate the various resources required. Use
> > > > - * #igt_display_fini to release the resources when they are no longer required.
> > > > - *
> > > > - */
> > > > void igt_display_init(igt_display_t *display, int drm_fd)
> > > > {
> > > > drmModeRes *resources;
> > > > @@ -1171,13 +977,6 @@ static void igt_output_fini(igt_output_t *output)
> > > > free(output->name);
> > > > }
> > > >
> > > > -/**
> > > > - * igt_display_fini:
> > > > - * @display: a pointer to an #igt_display_t structure
> > > > - *
> > > > - * Release any resources associated with @display. This does not free @display
> > > > - * itself.
> > > > - */
> > > > void igt_display_fini(igt_display_t *display)
> > > > {
> > > > int i;
> > > > @@ -1648,24 +1447,6 @@ static int do_display_commit(igt_display_t *display,
> > > > return 0;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_display_commit2:
> > > > - * @display: DRM device handle
> > > > - * @s: Commit style
> > > > - *
> > > > - * Commits framebuffer and positioning changes to all planes of each display
> > > > - * pipe, using a specific API to perform the programming. This function should
> > > > - * be used to exercise a specific driver programming API; igt_display_commit
> > > > - * should be used instead if the API used is unimportant to the test being run.
> > > > - *
> > > > - * This function should only be used to commit changes that are expected to
> > > > - * succeed, since any failure during the commit process will cause the IGT
> > > > - * subtest to fail. To commit changes that are expected to fail, use
> > > > - * @igt_try_display_commit2 instead.
> > > > - *
> > > > - * Returns: 0 upon success. This function will never return upon failure
> > > > - * since igt_fail() at lower levels will longjmp out of it.
> > > > - */
> > > > int igt_display_commit2(igt_display_t *display,
> > > > enum igt_commit_style s)
> > > > {
> > > > @@ -1674,40 +1455,11 @@ int igt_display_commit2(igt_display_t *display,
> > > > return 0;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_display_try_commit2:
> > > > - * @display: DRM device handle
> > > > - * @s: Commit style
> > > > - *
> > > > - * Attempts to commit framebuffer and positioning changes to all planes of each
> > > > - * display pipe. This function should be used to commit changes that are
> > > > - * expected to fail, so that the error code can be checked for correctness.
> > > > - * For changes that are expected to succeed, use @igt_display_commit instead.
> > > > - *
> > > > - * Note that in non-atomic commit styles, no display programming will be
> > > > - * performed after the first failure is encountered, so only some of the
> > > > - * operations requested by a test may have been completed. Tests that catch
> > > > - * errors returned by this function should take care to restore the display to
> > > > - * a sane state after a failure is detected.
> > > > - *
> > > > - * Returns: 0 upon success, otherwise the error code of the first error
> > > > - * encountered.
> > > > - */
> > > > int igt_display_try_commit2(igt_display_t *display, enum igt_commit_style s)
> > > > {
> > > > return do_display_commit(display, s, false);
> > > > }
> > > >
> > > > -/**
> > > > - * igt_display_commit:
> > > > - * @display: DRM device handle
> > > > - *
> > > > - * Commits framebuffer and positioning changes to all planes of each display
> > > > - * pipe.
> > > > - *
> > > > - * Returns: 0 upon success. This function will never return upon failure
> > > > - * since igt_fail() at lower levels will longjmp out of it.
> > > > - */
> > > > int igt_display_commit(igt_display_t *display)
> > > > {
> > > > return igt_display_commit2(display, COMMIT_LEGACY);
> > > > @@ -1723,15 +1475,6 @@ drmModeModeInfo *igt_output_get_mode(igt_output_t *output)
> > > > return &output->config.default_mode;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_output_override_mode:
> > > > - * @output: Output of which the mode will be overridden
> > > > - * @mode: New mode
> > > > - *
> > > > - * Overrides the output's mode with @mode, so that it is used instead of the
> > > > - * mode obtained with get connectors. Note that the mode is used without
> > > > - * checking if the output supports it, so this might lead to unexpected results.
> > > > - */
> > > > void igt_output_override_mode(igt_output_t *output, drmModeModeInfo *mode)
> > > > {
> > > > output->override_mode = *mode;
> > > > @@ -1803,16 +1546,6 @@ void igt_plane_set_position(igt_plane_t *plane, int x, int y)
> > > > plane->position_changed = true;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_plane_set_size:
> > > > - * @plane: plane pointer for which size to be set
> > > > - * @w: width
> > > > - * @h: height
> > > > - *
> > > > - * This function sets width and height for requested plane.
> > > > - * New size will be committed at plane commit time via
> > > > - * drmModeSetPlane().
> > > > - */
> > > > void igt_plane_set_size(igt_plane_t *plane, int w, int h)
> > > > {
> > > > igt_pipe_t *pipe = plane->pipe;
> > > > @@ -1827,16 +1560,6 @@ void igt_plane_set_size(igt_plane_t *plane, int w, int h)
> > > > plane->size_changed = true;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_fb_set_position:
> > > > - * @fb: framebuffer pointer
> > > > - * @plane: plane
> > > > - * @x: X position
> > > > - * @y: Y position
> > > > - *
> > > > - * This function sets position for requested framebuffer as src to plane.
> > > > - * New position will be committed at plane commit time via drmModeSetPlane().
> > > > - */
> > > > void igt_fb_set_position(struct igt_fb *fb, igt_plane_t *plane,
> > > > uint32_t x, uint32_t y)
> > > > {
> > > > @@ -1852,17 +1575,6 @@ void igt_fb_set_position(struct igt_fb *fb, igt_plane_t *plane,
> > > > plane->fb_changed = true;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_fb_set_size:
> > > > - * @fb: framebuffer pointer
> > > > - * @plane: plane
> > > > - * @w: width
> > > > - * @h: height
> > > > - *
> > > > - * This function sets fetch rect size from requested framebuffer as src
> > > > - * to plane. New size will be committed at plane commit time via
> > > > - * drmModeSetPlane().
> > > > - */
> > > > void igt_fb_set_size(struct igt_fb *fb, igt_plane_t *plane,
> > > > uint32_t w, uint32_t h)
> > > > {
> > > > @@ -1923,16 +1635,6 @@ void igt_plane_set_rotation(igt_plane_t *plane, igt_rotation_t rotation)
> > > > plane->rotation_changed = true;
> > > > }
> > > >
> > > > -/**
> > > > - * igt_crtc_set_background:
> > > > - * @pipe: pipe pointer to which background color to be set
> > > > - * @background: background color value in BGR 16bpc
> > > > - *
> > > > - * Sets background color for requested pipe. Color value provided here
> > > > - * will be actually submitted at output commit time via "background_color"
> > > > - * property.
> > > > - * For example to get red as background, set background = 0x00000000FFFF.
> > > > - */
> > > > void igt_crtc_set_background(igt_pipe_t *pipe, uint64_t background)
> > > > {
> > > > igt_display_t *display = pipe->display;
> > > > @@ -1946,7 +1648,6 @@ void igt_crtc_set_background(igt_pipe_t *pipe, uint64_t background)
> > > > pipe->background_changed = true;
> > > > }
> > > >
> > > > -
> > > > void igt_wait_for_vblank(int drm_fd, enum pipe pipe)
> > > > {
> > > > drmVBlank wait_vbl;
> > > > @@ -1960,15 +1661,6 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe)
> > > > igt_assert(drmWaitVBlank(drm_fd, &wait_vbl) == 0);
> > > > }
> > > >
> > > > -/**
> > > > - * igt_enable_connectors:
> > > > - *
> > > > - * Force connectors to be enabled where this is known to work well. Use
> > > > - * #igt_reset_connectors to revert the changes.
> > > > - *
> > > > - * An exit handler is installed to ensure connectors are reset when the test
> > > > - * exits.
> > > > - */
> > > > void igt_enable_connectors(void)
> > > > {
> > > > drmModeRes *res;
> > > > @@ -1983,8 +1675,8 @@ void igt_enable_connectors(void)
> > > >
> > > > c = drmModeGetConnectorCurrent(drm_fd, res->connectors[i]);
> > > >
> > > > - /* don't attempt to force connectors that are already connected
> > > > - */
> > > > + /* don't attempt to force connectors that
> > > > + * are already connected */
> > > > if (c->connection == DRM_MODE_CONNECTED)
> > > > continue;
> > > >
> > > > @@ -2001,11 +1693,6 @@ void igt_enable_connectors(void)
> > > > close(drm_fd);
> > > > }
> > > >
> > > > -/**
> > > > - * igt_reset_connectors:
> > > > - *
> > > > - * Remove any forced state from the connectors.
> > > > - */
> > > > void igt_reset_connectors(void)
> > > > {
> > > > char **tmp;
> > > > diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> > > > index 94f315f..2cc8a3b 100644
> > > > --- a/lib/igt_kms.h
> > > > +++ b/lib/igt_kms.h
> > > > @@ -25,6 +25,30 @@
> > > > * Damien Lespiau <damien.lespiau at intel.com>
> > > > */
> > > >
> > > > +/**
> > > > + * SECTION:igt_kms
> > > > + * @short_description: Kernel modesetting support library
> > > > + * @title: KMS
> > > > + * @include: igt.h
> > > > + *
> > > > + * This library provides support to enumerate and set modeset configurations.
> > > > + *
> > > > + * There are two parts in this library: First the low level helper function
> > > > + * which directly build on top of raw ioctls or the interfaces provided by
> > > > + * libdrm. Those functions all have a kmstest_ prefix.
> > > > + *
> > > > + * The second part is a high-level library to manage modeset configurations
> > > > + * which abstracts away some of the low-level details like the difference
> > > > + * between legacy and universal plane support for setting cursors or in the
> > > > + * future the difference between legacy and atomic commit. These high-level
> > > > + * functions have all igt_ prefixes. This part is still very much work in
> > > > + * progress and so also lacks a bit documentation for the individual functions.
> > > > + *
> > > > + * Note that this library's header pulls in the [i-g-t
> > > > + * framebuffer](intel-gpu-tools-Framebuffer.html) library as a
> > > > + * dependency.
> > > > + */
> > > > +
> > > > #ifndef __IGT_KMS_H__
> > > > #define __IGT_KMS_H__
> > > >
> > > > @@ -37,7 +61,6 @@
> > > > #include "igt_fb.h"
> > > > #include "ioctl_wrappers.h"
> > > >
> > > > -/* Low-level helpers with kmstest_ prefix */
> > > >
> > > > enum pipe {
> > > > PIPE_ANY = -1,
> > > > @@ -46,7 +69,6 @@ enum pipe {
> > > > PIPE_C,
> > > > I915_MAX_PIPES
> > > > };
> > > > -const char *kmstest_pipe_name(enum pipe pipe);
> > > >
> > > > /* We namespace this enum to not conflict with the Android i915_drm.h */
> > > > enum igt_plane {
> > > > @@ -57,8 +79,6 @@ enum igt_plane {
> > > > IGT_PLANE_CURSOR,
> > > > };
> > > >
> > > > -const char *kmstest_plane_name(enum igt_plane plane);
> > > > -
> > > > enum port {
> > > > PORT_A = 0,
> > > > PORT_B,
> > > > @@ -68,44 +88,6 @@ enum port {
> > > > I915_MAX_PORTS
> > > > };
> > > >
> > > > -/**
> > > > - * kmstest_port_name:
> > > > - * @port: display plane
> > > > - *
> > > > - * Returns: String representing @port, e.g. "A".
> > > > - */
> > > > -#define kmstest_port_name(port) ((port) + 'A')
> > > > -
> > > > -/**
> > > > - * kmstest_encoder_type_str:
> > > > - * @type: DRM_MODE_ENCODER_* enumeration value
> > > > - *
> > > > - * Returns: A string representing the drm encoder @type.
> > > > - */
> > > > -const char *kmstest_encoder_type_str(int type);
> > > > -
> > > > -/**
> > > > - * kmstest_connector_status_str:
> > > > - * @status: DRM_MODE_* connector status value
> > > > - *
> > > > - * Returns: A string representing the drm connector status @status.
> > > > - */
> > > > -const char *kmstest_connector_status_str(int status);
> > > > -
> > > > -/**
> > > > - * kmstest_connector_type_str:
> > > > - * @type: DRM_MODE_CONNECTOR_* enumeration value
> > > > - *
> > > > - * Returns: A string representing the drm connector @type.
> > > > - */
> > > > -const char *kmstest_connector_type_str(int type);
> > > > -
> > > > -void kmstest_dump_mode(drmModeModeInfo *mode);
> > > > -
> > > > -int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
> > > > -void kmstest_set_vt_graphics_mode(void);
> > > > -void kmstest_restore_vt_mode(void);
> > > > -
> > > > struct kmstest_connector_config {
> > > > drmModeCrtc *crtc;
> > > > drmModeConnector *connector;
> > > > @@ -129,25 +111,6 @@ enum kmstest_force_connector_state {
> > > > FORCE_CONNECTOR_OFF
> > > > };
> > > >
> > > > -bool kmstest_force_connector(int fd, drmModeConnector *connector,
> > > > - enum kmstest_force_connector_state state);
> > > > -void kmstest_edid_add_3d(const unsigned char *edid, size_t length, unsigned char *new_edid_ptr[], size_t *new_length);
> > > > -void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
> > > > - const unsigned char *edid, size_t length);
> > > > -
> > > > -bool kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
> > > > - drmModeModeInfo *mode);
> > > > -bool kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
> > > > - unsigned long crtc_idx_mask,
> > > > - struct kmstest_connector_config *config);
> > > > -void kmstest_free_connector_config(struct kmstest_connector_config *config);
> > > > -
> > > > -void kmstest_set_connector_dpms(int fd, drmModeConnector *connector, int mode);
> > > > -bool kmstest_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
> > > > - const char *name, uint32_t *prop_id, uint64_t *value,
> > > > - drmModePropertyPtr *prop);
> > > > -void kmstest_unset_all_crtcs(int drm_fd, drmModeResPtr resources);
> > > > -
> > > > /*
> > > > * A small modeset API
> > > > */
> > > > @@ -160,8 +123,8 @@ enum igt_commit_style {
> > > > };
> > > >
> > > > typedef struct igt_display igt_display_t;
> > > > -typedef struct igt_pipe igt_pipe_t;
> > > > typedef uint32_t igt_fixed_t; /* 16.16 fixed point */
> > > > +typedef struct igt_pipe igt_pipe_t;
> > > >
> > > > typedef enum {
> > > > /* this maps to the kernel API */
> > > > @@ -237,17 +200,300 @@ struct igt_display {
> > > > bool has_universal_planes;
> > > > };
> > > >
> > > > +/* Low-level helpers with kmstest_ prefix */
> > > > +
> > > > +/**
> > > > + * kmstest_port_name:
> > > > + * @port: display plane
> > > > + *
> > > > + * Returns: String representing @port, e.g. "A".
> > > > + */
> > > > +#define kmstest_port_name(port) ((port) + 'A')
> > > > +
> > > > +/**
> > > > + * kmstest_pipe_name:
> > > > + * @pipe: display pipe
> > > > + *
> > > > + * Returns: String represnting @pipe, e.g. "A".
> > > > + */
> > > > +const char *kmstest_pipe_name(enum pipe pipe);
> > > > +
> > > > +/**
> > > > + * kmstest_plane_name:
> > > > + * @plane: display plane
> > > > + *
> > > > + * Returns: String represnting @pipe, e.g. "plane1".
> > > > + */
> > > > +const char *kmstest_plane_name(enum igt_plane plane);
> > > > +
> > > > +
> > > > +/**
> > > > + * kmstest_encoder_type_str:
> > > > + * @type: DRM_MODE_ENCODER_* enumeration value
> > > > + *
> > > > + * Returns: A string representing the drm encoder @type.
> > > > + */
> > > > +const char *kmstest_encoder_type_str(int type);
> > > > +
> > > > +/**
> > > > + * kmstest_connector_status_str:
> > > > + * @status: DRM_MODE_* connector status value
> > > > + *
> > > > + * Returns: A string representing the drm connector status @status.
> > > > + */
> > > > +const char *kmstest_connector_status_str(int status);
> > > > +
> > > > +/**
> > > > + * kmstest_connector_type_str:
> > > > + * @type: DRM_MODE_CONNECTOR_* enumeration value
> > > > + *
> > > > + * Returns: A string representing the drm connector @type.
> > > > + */
> > > > +const char *kmstest_connector_type_str(int type);
> > > > +
> > > > +/**
> > > > + * kmstest_dump_mode:
> > > > + * @mode: libdrm mode structure
> > > > + *
> > > > + * Prints @mode to stdout in a huma-readable form.
> > > > + */
> > > > +void kmstest_dump_mode(drmModeModeInfo *mode);
> > > > +
> > > > +/**
> > > > + * kmstest_get_pipe_from_crtc_id:
> > > > + * @fd: DRM fd
> > > > + * @crtc_id: DRM CRTC id
> > > > + *
> > > > + * Returns: The pipe number for the given DRM CRTC @crtc_id. This maps directly
> > > > + * to an enum pipe value used in other helper functions.
> > > > + */
> > > > +int kmstest_get_pipe_from_crtc_id(int fd, int crtc_id);
> > > > +
> > > > +/**
> > > > + * kmstest_set_vt_graphics_mode:
> > > > + *
> > > > + * Sets the controlling VT (if available) into graphics/raw mode and installs
> > > > + * an igt exit handler to set the VT back to text mode on exit. Use
> > > > + * #kmstest_restore_vt_mode to restore the previous VT mode manually.
> > > > + *
> > > > + * All kms tests must call this function to make sure that the fbcon doesn't
> > > > + * interfere by e.g. blanking the screen.
> > > > + */
> > > > +void kmstest_set_vt_graphics_mode(void);
> > > > +
> > > > +/**
> > > > + * kmstest_restore_vt_mode:
> > > > + *
> > > > + * Restore the VT mode in use before #kmstest_set_vt_graphics_mode was called.
> > > > + */
> > > > +void kmstest_restore_vt_mode(void);
> > > > +
> > > > +/**
> > > > + * kmstest_force_connector:
> > > > + * @fd: drm file descriptor
> > > > + * @connector: connector
> > > > + * @state: state to force on @connector
> > > > + *
> > > > + * Force the specified state on the specified connector.
> > > > + *
> > > > + * Returns: true on success
> > > > + */
> > > > +bool kmstest_force_connector(int fd, drmModeConnector *connector,
> > > > + enum kmstest_force_connector_state state);
> > > > +
> > > > +/**
> > > > + * kmstest_edid_add_3d:
> > > > + * @edid: an existing valid edid block
> > > > + * @length: length of @edid
> > > > + * @new_edid_ptr: pointer to where the new edid will be placed
> > > > + * @new_length: pointer to the size of the new edid
> > > > + *
> > > > + * Makes a copy of an existing edid block and adds an extension indicating
> > > > + * stereo 3D capabilities.
> > > > + */
> > > > +void kmstest_edid_add_3d(const unsigned char *edid, size_t length,
> > > > + unsigned char *new_edid_ptr[], size_t *new_length);
> > > > +
> > > > +/**
> > > > + * kmstest_force_edid:
> > > > + * @drm_fd: drm file descriptor
> > > > + * @connector: connector to set @edid on
> > > > + * @edid: An EDID data block
> > > > + * @length: length of the EDID data. #EDID_LENGTH defines the standard EDID
> > > > + * length
> > > > + *
> > > > + * Set the EDID data on @connector to @edid. See also #igt_kms_get_base_edid.
> > > > + *
> > > > + * If @length is zero, the forced EDID will be removed.
> > > > + */
> > > > +void kmstest_force_edid(int drm_fd, drmModeConnector *connector,
> > > > + const unsigned char *edid, size_t length);
> > > > +
> > > > +/**
> > > > + * kmstest_get_connector_default_mode:
> > > > + * @drm_fd: DRM fd
> > > > + * @connector: libdrm connector
> > > > + * @mode: libdrm mode
> > > > + *
> > > > + * Retrieves the default mode for @connector and stores it in @mode.
> > > > + *
> > > > + * Returns: true on success, false on failure
> > > > + */
> > > > +bool kmstest_get_connector_default_mode(int drm_fd, drmModeConnector *connector,
> > > > + drmModeModeInfo *mode);
> > > > +
> > > > +/**
> > > > + * kmstest_get_connector_config:
> > > > + * @drm_fd: DRM fd
> > > > + * @connector_id: DRM connector id
> > > > + * @crtc_idx_mask: mask of allowed DRM CRTC indices
> > > > + * @config: structure filled with the possible configuration
> > > > + *
> > > > + * This tries to find a suitable configuration for the given connector and CRTC
> > > > + * constraint and fills it into @config.
> > > > + */
> > > > +bool kmstest_get_connector_config(int drm_fd, uint32_t connector_id,
> > > > + unsigned long crtc_idx_mask,
> > > > + struct kmstest_connector_config *config);
> > > > +
> > > > +/**
> > > > + * kmstest_free_connector_config:
> > > > + * @config: connector configuration structure
> > > > + *
> > > > + * Free any resources in @config allocated in kmstest_get_connector_config().
> > > > + */
> > > > +void kmstest_free_connector_config(struct kmstest_connector_config *config);
> > > > +
> > > > +/**
> > > > + * kmstest_set_connector_dpms:
> > > > + * @fd: DRM fd
> > > > + * @connector: libdrm connector
> > > > + * @mode: DRM DPMS value
> > > > + *
> > > > + * This function sets the DPMS setting of @connector to @mode.
> > > > + */
> > > > +void kmstest_set_connector_dpms(int fd, drmModeConnector *connector, int mode);
> > > > +
> > > > +/**
> > > > + * kmstest_get_property:
> > > > + * @drm_fd: drm file descriptor
> > > > + * @object_id: object whose properties we're going to get
> > > > + * @object_type: type of obj_id (DRM_MODE_OBJECT_*)
> > > > + * @name: name of the property we're going to get
> > > > + * @prop_id: if not NULL, returns the property id
> > > > + * @value: if not NULL, returns the property value
> > > > + * @prop: if not NULL, returns the property, and the caller will have to free
> > > > + * it manually.
> > > > + *
> > > > + * Finds a property with the given name on the given object.
> > > > + *
> > > > + * Returns: true in case we found something.
> > > > + */
> > > > +bool kmstest_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
> > > > + const char *name, uint32_t *prop_id, uint64_t *value,
> > > > + drmModePropertyPtr *prop);
> > > > +
> > > > +/**
> > > > + * kmstest_unset_all_crtcs:
> > > > + * @drm_fd: the DRM fd
> > > > + * @resources: libdrm resources pointer
> > > > + *
> > > > + * Disables all the screens.
> > > > + */
> > > > +void kmstest_unset_all_crtcs(int drm_fd, drmModeResPtr resources);
> > > > +
> > > > +
> > > > +/**
> > > > + * igt_display_init:
> > > > + * @display: a pointer to an #igt_display_t structure
> > > > + * @drm_fd: a drm file descriptor
> > > > + *
> > > > + * Initialize @display and allocate the various resources required. Use
> > > > + * #igt_display_fini to release the resources when they are no longer required.
> > > > + *
> > > > + */
> > > > void igt_display_init(igt_display_t *display, int drm_fd);
> > > > +
> > > > +/**
> > > > + * igt_display_fini:
> > > > + * @display: a pointer to an #igt_display_t structure
> > > > + *
> > > > + * Release any resources associated with @display. This does not free @display
> > > > + * itself.
> > > > + */
> > > > void igt_display_fini(igt_display_t *display);
> > > > -int igt_display_commit2(igt_display_t *display, enum igt_commit_style s);
> > > > -int igt_display_commit(igt_display_t *display);
> > > > -int igt_display_try_commit2(igt_display_t *display, enum igt_commit_style s);
> > > > -int igt_display_get_n_pipes(igt_display_t *display);
> > > > +
> > > > +/**
> > > > + * igt_display_commit2:
> > > > + * @display: DRM device handle
> > > > + * @s: Commit style
> > > > + *
> > > > + * Commits framebuffer and positioning changes to all planes of each display
> > > > + * pipe, using a specific API to perform the programming. This function should
> > > > + * be used to exercise a specific driver programming API; igt_display_commit
> > > > + * should be used instead if the API used is unimportant to the test being run.
> > > > + *
> > > > + * This function should only be used to commit changes that are expected to
> > > > + * succeed, since any failure during the commit process will cause the IGT
> > > > + * subtest to fail. To commit changes that are expected to fail, use
> > > > + * @igt_try_display_commit2 instead.
> > > > + *
> > > > + * Returns: 0 upon success. This function will never return upon failure
> > > > + * since igt_fail() at lower levels will longjmp out of it.
> > > > + */
> > > > +int igt_display_commit2(igt_display_t *display, enum igt_commit_style s);
> > > > +
> > > > +/**
> > > > + * igt_display_commit:
> > > > + * @display: DRM device handle
> > > > + *
> > > > + * Commits framebuffer and positioning changes to all planes of each display
> > > > + * pipe.
> > > > + *
> > > > + * Returns: 0 upon success. This function will never return upon failure
> > > > + * since igt_fail() at lower levels will longjmp out of it.
> > > > + */
> > > > +int igt_display_commit(igt_display_t *display);
> > > > +
> > > > +/**
> > > > + * igt_display_try_commit2:
> > > > + * @display: DRM device handle
> > > > + * @s: Commit style
> > > > + *
> > > > + * Attempts to commit framebuffer and positioning changes to all planes of each
> > > > + * display pipe. This function should be used to commit changes that are
> > > > + * expected to fail, so that the error code can be checked for correctness.
> > > > + * For changes that are expected to succeed, use @igt_display_commit instead.
> > > > + *
> > > > + * Note that in non-atomic commit styles, no display programming will be
> > > > + * performed after the first failure is encountered, so only some of the
> > > > + * operations requested by a test may have been completed. Tests that catch
> > > > + * errors returned by this function should take care to restore the display to
> > > > + * a sane state after a failure is detected.
> > > > + *
> > > > + * Returns: 0 upon success, otherwise the error code of the first error
> > > > + * encountered.
> > > > + */
> > > > +int igt_display_try_commit2(igt_display_t *display, enum igt_commit_style s);
> > > > +
> > > > +int igt_display_get_n_pipes(igt_display_t *display);
> > > >
> > > > const char *igt_output_name(igt_output_t *output);
> > > > drmModeModeInfo *igt_output_get_mode(igt_output_t *output);
> > > > +
> > > > +/**
> > > > + * igt_output_override_mode:
> > > > + * @output: Output of which the mode will be overridden
> > > > + * @mode: New mode
> > > > + *
> > > > + * Overrides the output's mode with @mode, so that it is used instead of the
> > > > + * mode obtained with get connectors. Note that the mode is used without
> > > > + * checking if the output supports it, so this might lead to unexpected results.
> > > > + */
> > > > void igt_output_override_mode(igt_output_t *output, drmModeModeInfo *mode);
> > > > +
> > > > void igt_output_set_pipe(igt_output_t *output, enum pipe pipe);
> > > > +
> > > > igt_plane_t *igt_output_get_plane(igt_output_t *output, enum igt_plane plane);
> > > >
> > > > static inline bool igt_plane_supports_rotation(igt_plane_t *plane)
> > > > @@ -256,15 +502,61 @@ static inline bool igt_plane_supports_rotation(igt_plane_t *plane)
> > > > }
> > > >
> > > > void igt_plane_set_fb(igt_plane_t *plane, struct igt_fb *fb);
> > > > +
> > > > void igt_plane_set_position(igt_plane_t *plane, int x, int y);
> > > > +
> > > > +/**
> > > > + * igt_plane_set_size:
> > > > + * @plane: plane pointer for which size to be set
> > > > + * @w: width
> > > > + * @h: height
> > > > + *
> > > > + * This function sets width and height for requested plane.
> > > > + * New size will be committed at plane commit time via
> > > > + * drmModeSetPlane().
> > > > + */
> > > > void igt_plane_set_size(igt_plane_t *plane, int w, int h);
> > > > +
> > > > void igt_plane_set_panning(igt_plane_t *plane, int x, int y);
> > > > +
> > > > void igt_plane_set_rotation(igt_plane_t *plane, igt_rotation_t rotation);
> > > > +
> > > > +/**
> > > > + * igt_crtc_set_background:
> > > > + * @pipe: pipe pointer to which background color to be set
> > > > + * @background: background color value in BGR 16bpc
> > > > + *
> > > > + * Sets background color for requested pipe. Color value provided here
> > > > + * will be actually submitted at output commit time via "background_color"
> > > > + * property.
> > > > + * For example to get red as background, set background = 0x00000000FFFF.
> > > > + */
> > > > void igt_crtc_set_background(igt_pipe_t *pipe, uint64_t background);
> > > > -void igt_fb_set_position(struct igt_fb *fb, igt_plane_t *plane,
> > > > - uint32_t x, uint32_t y);
> > > > -void igt_fb_set_size(struct igt_fb *fb, igt_plane_t *plane,
> > > > - uint32_t w, uint32_t h);
> > > > +
> > > > +/**
> > > > + * igt_fb_set_position:
> > > > + * @fb: framebuffer pointer
> > > > + * @plane: plane
> > > > + * @x: X position
> > > > + * @y: Y position
> > > > + *
> > > > + * This function sets position for requested framebuffer as src to plane.
> > > > + * New position will be committed at plane commit time via drmModeSetPlane().
> > > > + */
> > > > +void igt_fb_set_position(struct igt_fb *fb, igt_plane_t *plane, uint32_t x, uint32_t y);
> > > > +
> > > > +/**
> > > > + * igt_fb_set_size:
> > > > + * @fb: framebuffer pointer
> > > > + * @plane: plane
> > > > + * @w: width
> > > > + * @h: height
> > > > + *
> > > > + * This function sets fetch rect size from requested framebuffer as src
> > > > + * to plane. New size will be committed at plane commit time via
> > > > + * drmModeSetPlane().
> > > > + */
> > > > +void igt_fb_set_size(struct igt_fb *fb, igt_plane_t *plane, uint32_t w, uint32_t h);
> > > >
> > > > void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
> > > >
> > > > @@ -281,12 +573,62 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
> > > >
> > > > #define IGT_FIXED(i,f) ((i) << 16 | (f))
> > > >
> > > > +/**
> > > > + * igt_enable_connectors:
> > > > + *
> > > > + * Force connectors to be enabled where this is known to work well. Use
> > > > + * #igt_reset_connectors to revert the changes.
> > > > + *
> > > > + * An exit handler is installed to ensure connectors are reset when the test
> > > > + * exits.
> > > > + */
> > > > void igt_enable_connectors(void);
> > > > +
> > > > +/**
> > > > + * igt_reset_connectors:
> > > > + *
> > > > + * Remove any forced state from the connectors.
> > > > + */
> > > > void igt_reset_connectors(void);
> > > >
> > > > #define EDID_LENGTH 128
> > > > -const unsigned char* igt_kms_get_base_edid(void);
> > > > -const unsigned char* igt_kms_get_alt_edid(void);
> > > > +
> > > > +/**
> > > > + * igt_kms_get_base_edid:
> > > > + *
> > > > + * Get the base edid block, which includes the following modes:
> > > > + *
> > > > + * - 1920x1080 60Hz
> > > > + * - 1280x720 60Hz
> > > > + * - 1024x768 60Hz
> > > > + * - 800x600 60Hz
> > > > + * - 640x480 60Hz
> > > > + *
> > > > + * This can be extended with further features using functions such as
> > > > + * #kmstest_edid_add_3d.
> > > > + *
> > > > + * Returns: a basic edid block
> > > > + */
> > > > +const unsigned char *igt_kms_get_base_edid(void);
> > > > +
> > > > +/**
> > > > + * igt_kms_get_alt_edid:
> > > > + *
> > > > + * Get an alternate edid block, which includes the following modes:
> > > > + *
> > > > + * - 1400x1050 60Hz
> > > > + * - 1920x1080 60Hz
> > > > + * - 1280x720 60Hz
> > > > + * - 1024x768 60Hz
> > > > + * - 800x600 60Hz
> > > > + * - 640x480 60Hz
> > > > + *
> > > > + * This can be extended with further features using functions such as
> > > > + * #kmstest_edid_add_3d.
> > > > + *
> > > > + * Returns: an alternate edid block
> > > > + */
> > > > +const unsigned char *igt_kms_get_alt_edid(void);
> > > >
> > > >
> > > > #endif /* __IGT_KMS_H__ */
> > > > --
> > > > 2.6.2
> > > >
> > >
> > > --
> > > Daniel Vetter
> > > Software Engineer, Intel Corporation
> > > http://blog.ffwll.ch
>
>
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
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