1 #include <stdio.h> 2 #include <sys/ioctl.h> 3 4 #include "i915_drm.h" 5 6 #include "state_tracker/drm_driver.h" 7 8 #include "i915_drm_winsys.h" 9 #include "i915_drm_public.h" 10 #include "util/u_memory.h" 11 12 13 /* 14 * Helper functions 15 */ 16 17 18 static void 19 i915_drm_get_device_id(int fd, unsigned int *device_id) 20 { 21 int ret; 22 struct drm_i915_getparam gp; 23 24 gp.param = I915_PARAM_CHIPSET_ID; 25 gp.value = (int *)device_id; 26 27 ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp)); 28 assert(ret == 0); 29 } 30 31 static int 32 i915_drm_aperture_size(struct i915_winsys *iws) 33 { 34 struct i915_drm_winsys *idws = i915_drm_winsys(iws); 35 size_t aper_size, mappable_size; 36 37 drm_intel_get_aperture_sizes(idws->fd, &mappable_size, &aper_size); 38 39 return aper_size >> 20; 40 } 41 42 static void 43 i915_drm_winsys_destroy(struct i915_winsys *iws) 44 { 45 struct i915_drm_winsys *idws = i915_drm_winsys(iws); 46 47 drm_intel_bufmgr_destroy(idws->gem_manager); 48 49 FREE(idws); 50 } 51 52 struct i915_winsys * 53 i915_drm_winsys_create(int drmFD) 54 { 55 struct i915_drm_winsys *idws; 56 unsigned int deviceID; 57 58 idws = CALLOC_STRUCT(i915_drm_winsys); 59 if (!idws) 60 return NULL; 61 62 i915_drm_get_device_id(drmFD, &deviceID); 63 64 i915_drm_winsys_init_batchbuffer_functions(idws); 65 i915_drm_winsys_init_buffer_functions(idws); 66 i915_drm_winsys_init_fence_functions(idws); 67 68 idws->fd = drmFD; 69 idws->base.pci_id = deviceID; 70 idws->max_batch_size = 1 * 4096; 71 72 idws->base.aperture_size = i915_drm_aperture_size; 73 idws->base.destroy = i915_drm_winsys_destroy; 74 75 idws->gem_manager = drm_intel_bufmgr_gem_init(idws->fd, idws->max_batch_size); 76 drm_intel_bufmgr_gem_enable_reuse(idws->gem_manager); 77 drm_intel_bufmgr_gem_enable_fenced_relocs(idws->gem_manager); 78 79 idws->dump_cmd = debug_get_bool_option("I915_DUMP_CMD", FALSE); 80 idws->dump_raw_file = debug_get_option("I915_DUMP_RAW_FILE", NULL); 81 idws->send_cmd = !debug_get_bool_option("I915_NO_HW", FALSE); 82 83 return &idws->base; 84 } 85
