79 static int __get_drm_device_name(int fd, char *name, int name_size)  in __get_drm_device_name()  argument
87 	if (!drmIoctl(fd, DRM_IOCTL_VERSION, &version)){  in __get_drm_device_name()
94 static bool __is_device(int fd, const char *expect)  in __is_device()  argument
98 	if (__get_drm_device_name(fd, name, sizeof(name) - 1))  in __is_device()
104 bool is_amdgpu_device(int fd)  in is_amdgpu_device()  argument
106 	return __is_device(fd, "amdgpu");  in is_amdgpu_device()
109 bool is_i915_device(int fd)  in is_i915_device()  argument
111 	return __is_device(fd, "i915");  in is_i915_device()
114 bool is_vc4_device(int fd)  in is_vc4_device()  argument
116 	return __is_device(fd, "vc4");  in is_vc4_device()
119 static bool has_known_intel_chipset(int fd)  in has_known_intel_chipset()  argument
128 	if (ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp)))  in has_known_intel_chipset()
177 void gem_quiescent_gpu(int fd)  in gem_quiescent_gpu()  argument
181 	igt_drop_caches_set(fd,  in gem_quiescent_gpu()
215 	int fd;  in open_device()  local
217 	fd = open(name, O_RDWR);  in open_device()
218 	if (fd == -1)  in open_device()
221 	if (__get_drm_device_name(fd, dev_name, sizeof(dev_name) - 1) == -1)  in open_device()
241 		return fd;  in open_device()
244 	close(fd);  in open_device()
258 		int fd;  in __search_and_open()  local
261 		fd = open_device(name, chipset);  in __search_and_open()
262 		if (fd != -1)  in __search_and_open()
263 			return fd;  in __search_and_open()
272 	int fd;  in __open_driver()  local
274 	fd = __search_and_open(base, offset, chipset);  in __open_driver()
275 	if (fd != -1)  in __open_driver()
276 		return fd;  in __open_driver()
314 static void __cancel_work_at_exit(int fd)  in __cancel_work_at_exit()  argument
318 	igt_sysfs_set_parameter(fd, "reset", "%x", -1u /* any method */);  in __cancel_work_at_exit()
319 	igt_drop_caches_set(fd,  in __cancel_work_at_exit()
382 	int fd;  in drm_open_driver()  local
384 	fd = __drm_open_driver(chipset);  in drm_open_driver()
385 	igt_skip_on_f(fd<0, "No known gpu found for chipset flags 0x%u (%s)\n",  in drm_open_driver()
392 	if (is_i915_device(fd)) {  in drm_open_driver()
394 			gem_quiescent_gpu(fd);  in drm_open_driver()
401 	return fd;  in drm_open_driver()
415 	int fd = drm_open_driver(chipset);  in drm_open_driver_master()  local
417 	igt_device_set_master(fd);  in drm_open_driver_master()
419 	return fd;  in drm_open_driver_master()
434 	int fd = __drm_open_driver_render(chipset);  in drm_open_driver_render()  local
437 	if (fd == -1)  in drm_open_driver_render()
441 		return fd;  in drm_open_driver_render()
445 		gem_quiescent_gpu(fd);  in drm_open_driver_render()
449 	return fd;  in drm_open_driver_render()
452 void igt_require_amdgpu(int fd)  in igt_require_amdgpu()  argument
454 	igt_require(is_amdgpu_device(fd));  in igt_require_amdgpu()
457 void igt_require_intel(int fd)  in igt_require_intel()  argument
459 	igt_require(is_i915_device(fd) && has_known_intel_chipset(fd));  in igt_require_intel()
462 void igt_require_vc4(int fd)  in igt_require_vc4()  argument
464 	igt_require(is_vc4_device(fd));  in igt_require_vc4()