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lib: Allow to override the device id at run time

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Using the same environment variable as libdrm so one doesn't have to
remember two different things. This is helpful to run a test under a
fake identity, to, say, dump an aub file.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
This commit is contained in:
Damien Lespiau 2013-02-19 00:39:04 +00:00
parent 75f52a6e3b
commit aa2bd8a692
1 changed files with 10 additions and 4 deletions
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14
lib/intel_drm.c
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@ -54,12 +54,18 @@ intel_get_drm_devid(int fd)
int ret;
struct drm_i915_getparam gp;
uint32_t devid;
char *override;
gp.param = I915_PARAM_CHIPSET_ID;
gp.value = (int *)&devid;
override = getenv("INTEL_DEVID_OVERRIDE");
if (override) {
devid = strtod(override, NULL);
} else {
gp.param = I915_PARAM_CHIPSET_ID;
gp.value = (int *)&devid;
ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp));
assert(ret == 0);
ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp));
assert(ret == 0);
}
return devid;
}