diff options
Diffstat (limited to 'src/intel/intel_driver.c')
| -rw-r--r-- | src/intel/intel_driver.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/intel/intel_driver.c b/src/intel/intel_driver.c index 45719785..10fe3cc8 100644 --- a/src/intel/intel_driver.c +++ b/src/intel/intel_driver.c @@ -312,6 +312,26 @@ return ret; } #endif +static int +intel_driver_check_device(int dev_fd) +{ + // Ensure that this is actually an i915 DRM device. + drmVersion *version; + int ret; + version = drmGetVersion(dev_fd); + if (!version) { + fprintf(stderr, "drmGetVersion(%d) failed: %s\n", dev_fd, strerror(errno)); + close(dev_fd); + return 0; + } + ret = !strcmp(version->name, "i915"); + drmFreeVersion(version); + // Don't print an error here if this device is using a different driver, + // because we might be iterating over multiple devices looking for a + // compatible one. + return ret; +} + LOCAL int intel_driver_init_master(intel_driver_t *driver, const char* dev_name) { @@ -326,6 +346,11 @@ if (dev_fd == -1) { return 0; } +if (!intel_driver_check_device(dev_fd)) { + close(dev_fd); + return 0; +} + // Check that we're authenticated memset(&client, 0, sizeof(drm_client_t)); ret = ioctl(dev_fd, DRM_IOCTL_GET_CLIENT, &client); @@ -356,6 +381,11 @@ dev_fd = open(dev_name, O_RDWR); if (dev_fd == -1) return 0; +if (!intel_driver_check_device(dev_fd)) { + close(dev_fd); + return 0; +} + ret = intel_driver_init(driver, dev_fd); driver->need_close = 1; |