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drmtest: First check that driver is i915

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Before issuing any i915 specific ioctls, check the driver is i915
otherwise we make other drivers emit nasty errors at the start of every
test.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-07-25 17:34:06 +01:00
parent fcbc5028ae
commit a6e6c5bdcf
1 changed files with 28 additions and 12 deletions
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40
lib/drmtest.c
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@ -72,6 +72,21 @@
* and [batchbuffer](intel-gpu-tools-intel-batchbuffer.html) libraries as dependencies.
*/
static int is_i915_device(int fd)
{
drm_version_t version;
char name[5] = "";
memset(&version, 0, sizeof(version));
version.name_len = 4;
version.name = name;
if (drmIoctl(fd, DRM_IOCTL_VERSION, &version))
return 0;
return strcmp("i915", name) == 0;
}
static int
is_intel(int fd)
{
@ -194,7 +209,7 @@ int drm_get_card(void)
if (fd == -1)
continue;
if (!is_intel(fd)) {
if (!is_i915_device(fd) || !is_intel(fd)) {
close(fd);
continue;
}
@ -211,22 +226,23 @@ int drm_get_card(void)
/** Open the first DRM device we can find, searching up to 16 device nodes */
static int __drm_open_any(void)
{
char *name;
int ret, fd;
for (int i = 0; i < 16; i++) {
char name[80];
int fd;
ret = asprintf(&name, "/dev/dri/card%d", drm_get_card());
if (ret == -1)
return -1;
sprintf(name, "/dev/dri/card%u", i);
fd = open(name, O_RDWR);
if (fd == -1)
continue;
fd = open(name, O_RDWR);
free(name);
if (is_i915_device(fd) && is_intel(fd))
return fd;
if (!is_intel(fd)) {
close(fd);
fd = -1;
}
return fd;
igt_skip("No intel gpu found\n");
return -1;
}
static int __drm_open_any_render(void)
@ -246,7 +262,7 @@ static int __drm_open_any_render(void)
if (fd == -1)
continue;
if (!is_intel(fd)) {
if (!is_i915_device(fd) || !is_intel(fd)) {
close(fd);
fd = -1;
continue;