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tools/dri3info: Query the kernel driver name

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2015-02-10 12:10:56 +00:00
parent 928ff25430
commit 27ededdfc7
2 changed files with 23 additions and 6 deletions
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3
tools/Makefile.am
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@@ -34,7 +34,8 @@ endif
if X11_DRI3
noinst_PROGRAMS = dri3info
dri3info_SOURCES = dri3info.c
dri3info_LDADD = $(X11_DRI3_LIBS)
dri3info_CFLAGS = $(X11_DRI3_CFLAGS) $(DRI_CFLAGS)
dri3info_LDADD = $(X11_DRI3_LIBS) $(DRI_LIBS)
endif
if BUILD_BACKLIGHT_HELPER

26
tools/dri3info.c
View File

@@ -31,6 +31,8 @@
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <drm.h>
#include <xf86drm.h>
static int dri3_open(Display *dpy)
{
@@ -50,7 +52,7 @@ static int dri3_open(Display *dpy)
return xcb_dri3_open_reply_fds(c, reply)[0];
}
static void match_device(int fd, char *buf, int len)
static void get_device_path(int fd, char *buf, int len)
{
struct stat remote, local;
int i;
@@ -72,11 +74,24 @@ out:
strncpy(buf, "unknown card", len);
}
static void get_driver_name(int fd, char *name, int len)
{
drm_version_t version;
memset(name, 0, len);
memset(&version, 0, sizeof(version));
version.name_len = len;
version.name = name;
(void)drmIoctl(fd, DRM_IOCTL_VERSION, &version);
}
static void info(const char *dpyname)
{
Display *dpy;
int device;
char device_name[1024];
char device_path[1024];
char driver_name[1024];
dpy = XOpenDisplay(dpyname);
if (dpy == NULL) {
@@ -92,10 +107,11 @@ static void info(const char *dpyname)
return;
}
match_device(device, device_name, sizeof(device_name));
get_device_path(device, device_path, sizeof(device_path));
get_driver_name(device, driver_name, sizeof(driver_name));
printf("Connected to DRI3 on display '%s', using fd %d: matches %s\n",
DisplayString(dpy), device, device_name);
printf("Connected to DRI3 on display '%s', using fd %d: matches %s, driver %s\n",
DisplayString(dpy), device, device_path, driver_name);
XCloseDisplay(dpy);
close(device);