diff options
Diffstat (limited to 'lib/intel_drm.c')
-rw-r--r-- | lib/intel_drm.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/intel_drm.c b/lib/intel_drm.c new file mode 100644 index 00000000..ca5e4738 --- /dev/null +++ b/lib/intel_drm.c @@ -0,0 +1,57 @@ +/* + * Copyright © 2008 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <err.h> +#include <assert.h> +#include <sys/ioctl.h> +#include <sys/fcntl.h> +#include <sys/stat.h> +#include <sys/mman.h> + +#include "intel_gpu_tools.h" +#include "i915_drm.h" + +uint32_t +intel_get_drm_devid(int fd) +{ + int ret; + struct drm_i915_getparam gp; + uint32_t devid; + + gp.param = I915_PARAM_CHIPSET_ID; + gp.value = (int *)&devid; + + ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp)); + assert(ret == 0); + + return devid; +} |