From 83884e97e18739e3588c6467a210838099d42073 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 21 Mar 2017 17:16:03 +0000 Subject: Restore "lib: Open debugfs files for the given DRM device" This reverts commit 25fbae15262cf570e207e62f50e7c5233e06bc67, restoring commit 301ad44cdf1b868b1ab89096721da91fa8541fdc Author: Tomeu Vizoso Date: Thu Mar 2 10:37:11 2017 +0100 lib: Open debugfs files for the given DRM device with fixes. Signed-off-by: Chris Wilson --- lib/intel_os.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'lib/intel_os.c') diff --git a/lib/intel_os.c b/lib/intel_os.c index 924ac7e7..e5dea6e5 100644 --- a/lib/intel_os.c +++ b/lib/intel_os.c @@ -97,8 +97,11 @@ intel_get_avail_ram_mb(void) #ifdef HAVE_STRUCT_SYSINFO_TOTALRAM /* Linux */ struct sysinfo sysinf; + int fd; - intel_purge_vm_caches(); + fd = drm_open_driver(DRIVER_INTEL); + intel_purge_vm_caches(fd); + close(fd); igt_assert(sysinfo(&sysinf) == 0); retval = sysinf.freeram; @@ -292,11 +295,11 @@ void intel_require_memory(uint64_t count, uint64_t size, unsigned mode) igt_skip_on_simulation(); } -void intel_purge_vm_caches(void) +void intel_purge_vm_caches(int drm_fd) { int fd; - igt_drop_caches_set(DROP_SHRINK_ALL); + igt_drop_caches_set(drm_fd, DROP_SHRINK_ALL); fd = open("/proc/sys/vm/drop_caches", O_WRONLY); if (fd >= 0) { -- cgit v1.2.3