EGLBoolean
drm_terminate(_EGLDriver *drv, _EGLDisplay *dpy)
{
struct drm_device *dev = lookup_drm_device(dpy);
struct drm_screen *screen;
int i = 0;
_eglReleaseDisplayResources(drv, dpy);
_eglCleanupDisplay(dpy);
drmFreeVersion(dev->version);
for (i = 0; i < dev->count_screens; i++) {
screen = dev->screens[i];
if (screen->shown)
drm_takedown_shown_screen(dpy, screen);
drmModeFreeProperty(screen->dpms);
drmModeFreeConnector(screen->connector);
_eglDestroyScreen(&screen->base);
dev->screens[i] = NULL;
}
dev->screen->destroy(dev->screen);
dev->winsys = NULL;
drmClose(dev->drmFD);
dev->api->destroy(dev->api);
free(dev);
dpy->DriverData = NULL;
return EGL_TRUE;
}
drm_public struct fd_device * fd_device_new(int fd)
{
struct fd_device *dev;
drmVersionPtr version;
/* figure out if we are kgsl or msm drm driver: */
version = drmGetVersion(fd);
if (!version) {
ERROR_MSG("cannot get version: %s", strerror(errno));
return NULL;
}
if (!strcmp(version->name, "kgsl")) {
DEBUG_MSG("kgsl DRM device");
dev = kgsl_device_new(fd);
} else if (!strcmp(version->name, "msm")) {
DEBUG_MSG("msm DRM device");
dev = msm_device_new(fd);
} else {
ERROR_MSG("unknown device: %s", version->name);
dev = NULL;
}
drmFreeVersion(version);
if (!dev)
return NULL;
atomic_set(&dev->refcnt, 1);
dev->fd = fd;
dev->handle_table = drmHashCreate();
dev->name_table = drmHashCreate();
init_cache_buckets(dev);
return dev;
}
/* This is actually the entrypoint to the entire driver,
* called by the target bootstrap code.
*/
struct svga_winsys_screen *
svga_drm_winsys_screen_create(int fd)
{
struct vmw_winsys_screen *vws;
struct dri1_api_version drm_ver;
drmVersionPtr ver;
ver = drmGetVersion(fd);
if (ver == NULL)
return NULL;
drm_ver.major = ver->version_major;
drm_ver.minor = ver->version_minor;
drm_ver.patch_level = 0; /* ??? */
drmFreeVersion(ver);
if (!vmw_dri1_check_version(&drm_ver, &drm_required,
&drm_compat, "vmwgfx drm driver"))
return NULL;
vws = vmw_winsys_create(fd);
if (!vws)
goto out_no_vws;
/* XXX do this properly */
vws->base.surface_from_handle = vws->base.have_gb_objects ?
vmw_drm_gb_surface_from_handle : vmw_drm_surface_from_handle;
vws->base.surface_get_handle = vmw_drm_surface_get_handle;
return &vws->base;
out_no_vws:
return NULL;
}
/* Find the index of a compatible DRM device. */
static int get_device_index(void) {
char buf[32];
drmVersionPtr ver;
int index = 0;
int fd;
bool found = false;
while (!found) {
snprintf(buf, sizeof(buf), "/dev/dri/card%d", index);
fd = open(buf, O_RDWR);
if (fd == -1) break;
ver = drmGetVersion(fd);
if (strcmp("exynos", ver->name) == 0)
found = true;
else
++index;
drmFreeVersion(ver);
close(fd);
}
return (found ? index : -1);
}
static Bool
vmw_screen_init(CustomizerPtr cust, int fd)
{
struct vmw_customizer *vmw = vmw_customizer(cust);
drmVersionPtr ver;
vmw->fd = fd;
ver = drmGetVersion(fd);
if (ver == NULL ||
(ver->version_major == 1 && ver->version_minor < 1)) {
cust->swap_throttling = TRUE;
cust->dirty_throttling = TRUE;
cust->winsys_context_throttle = vmw_context_no_throttle;
} else {
cust->swap_throttling = TRUE;
cust->dirty_throttling = FALSE;
cust->winsys_context_throttle = vmw_context_throttle;
debug_printf("%s: Enabling kernel throttling.\n", __func__);
}
if (ver)
drmFreeVersion(ver);
vmw_screen_cursor_init(vmw);
/* if gallium is used then we don't need to do anything more. */
if (xorg_has_gallium(vmw->pScrn))
return TRUE;
vmw_video_init(vmw);
return TRUE;
}
/* Find the index of a compatible DRM device. */
static int exynos_get_device_index(void)
{
drmVersionPtr ver;
char buf[32] = {0};
int index = 0;
bool found = false;
while (!found)
{
int fd;
snprintf(buf, sizeof(buf), "/dev/dri/card%d", index);
fd = open(buf, O_RDWR);
if (fd < 0) break;
ver = drmGetVersion(fd);
if (string_is_equal(ver->name, "exynos"))
found = true;
else
++index;
drmFreeVersion(ver);
close(fd);
}
if (!found)
return -1;
return index;
}
char *
loader_get_driver_for_fd(int fd, unsigned driver_types)
{
int vendor_id, chip_id, i, j;
char *driver = NULL;
if (!driver_types)
driver_types = _LOADER_GALLIUM | _LOADER_DRI;
if (!loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) {
#ifndef __NOT_HAVE_DRM_H
/* fallback to drmGetVersion(): */
drmVersionPtr version = drmGetVersion(fd);
if (!version) {
log_(_LOADER_WARNING, "failed to get driver name for fd %d\n", fd);
return NULL;
}
driver = strndup(version->name, version->name_len);
log_(_LOADER_INFO, "using driver %s for %d\n", driver, fd);
drmFreeVersion(version);
#endif
return driver;
}
for (i = 0; driver_map[i].driver; i++) {
if (vendor_id != driver_map[i].vendor_id)
continue;
if (!(driver_types & driver_map[i].driver_types))
continue;
if (driver_map[i].predicate && !driver_map[i].predicate(fd))
continue;
if (driver_map[i].num_chips_ids == -1) {
driver = strdup(driver_map[i].driver);
goto out;
}
for (j = 0; j < driver_map[i].num_chips_ids; j++)
if (driver_map[i].chip_ids[j] == chip_id) {
driver = strdup(driver_map[i].driver);
goto out;
}
}
out:
log_(driver ? _LOADER_DEBUG : _LOADER_WARNING,
"pci id for fd %d: %04x:%04x, driver %s\n",
fd, vendor_id, chip_id, driver);
return driver;
}
/** As long as we are using our fake DRI driver inside of Mesa, we only want
* to implement the minimum here to make Mesa load it. */
Bool VBOXDRIScreenInit(ScrnInfoPtr pScrn, ScreenPtr pScreen, VBOXPtr pVBox)
{
DRI2InfoRec DRI2Info;
unsigned i;
memset(&DRI2Info, 0, sizeof(DRI2Info));
pVBox->drmFD = -1;
for (i = 0; i < RT_ELEMENTS(devicePaths); ++i)
{
int fd = open(devicePaths[i], O_RDWR);
if (fd >= 0)
{
drmVersionPtr pVersion = drmGetVersion(fd);
if ( pVersion
&& pVersion->name_len
&& !strcmp(pVersion->name, VBOX_DRM_DRIVER_NAME)
&& drmSetMaster(fd) == 0)
{
TRACE_LOG("Opened drm device %s\n", devicePaths[i]);
DRI2Info.deviceName = devicePaths[i];
/* Keep the driver open and hope that the path won't change. */
pVBox->drmFD = fd;
drmFreeVersion(pVersion);
break;
}
close(fd);
drmFreeVersion(pVersion);
}
}
if (!DRI2Info.deviceName)
return FALSE;
DRI2Info.version = 3;
DRI2Info.fd = pVBox->drmFD;
DRI2Info.driverName = VBOX_DRI_DRIVER_NAME;
DRI2Info.CopyRegion = VBOXDRICopyRegion;
DRI2Info.Wait = NULL;
DRI2Info.CreateBuffer = VBOXDRICreateBuffer;
DRI2Info.DestroyBuffer = VBOXDRIDestroyBuffer;
return DRI2ScreenInit(pScreen, &DRI2Info);
}
/* Print AMD devices information */
static void amdgpu_print_devices()
{
int i;
drmDevicePtr device;
/* Open the first AMD devcie to print driver information. */
if (drm_amdgpu[0] >=0) {
/* Display AMD driver version information.*/
drmVersionPtr retval = drmGetVersion(drm_amdgpu[0]);
if (retval == NULL) {
perror("Cannot get version for AMDGPU device");
return;
}
printf("Driver name: %s, Date: %s, Description: %s.\n",
retval->name, retval->date, retval->desc);
drmFreeVersion(retval);
}
/* Display information of AMD devices */
printf("Devices:\n");
for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >=0; i++)
if (drmGetDevice2(drm_amdgpu[i],
DRM_DEVICE_GET_PCI_REVISION,
&device) == 0) {
if (device->bustype == DRM_BUS_PCI) {
printf("PCI ");
printf(" domain:%04x",
device->businfo.pci->domain);
printf(" bus:%02x",
device->businfo.pci->bus);
printf(" device:%02x",
device->businfo.pci->dev);
printf(" function:%01x",
device->businfo.pci->func);
printf(" vendor_id:%04x",
device->deviceinfo.pci->vendor_id);
printf(" device_id:%04x",
device->deviceinfo.pci->device_id);
printf(" subvendor_id:%04x",
device->deviceinfo.pci->subvendor_id);
printf(" subdevice_id:%04x",
device->deviceinfo.pci->subdevice_id);
printf(" revision_id:%02x",
device->deviceinfo.pci->revision_id);
printf("\n");
}
drmFreeDevice(&device);
}
}
/**
* DRI2
*/
static __DRIscreen *
dri2CreateNewScreen(int scrn, int fd,
const __DRIextension **extensions,
const __DRIconfig ***driver_configs, void *data)
{
static const __DRIextension *emptyExtensionList[] = { NULL };
__DRIscreen *psp;
drmVersionPtr version;
if (driDriverAPI.InitScreen2 == NULL)
return NULL;
psp = calloc(1, sizeof(*psp));
if (!psp)
return NULL;
setupLoaderExtensions(psp, extensions);
version = drmGetVersion(fd);
if (version) {
psp->drm_version.major = version->version_major;
psp->drm_version.minor = version->version_minor;
psp->drm_version.patch = version->version_patchlevel;
drmFreeVersion(version);
}
psp->extensions = emptyExtensionList;
psp->fd = fd;
psp->myNum = scrn;
psp->dri2.enabled = GL_TRUE;
psp->DriverAPI = driDriverAPI;
psp->api_mask = (1 << __DRI_API_OPENGL);
*driver_configs = driDriverAPI.InitScreen2(psp);
if (*driver_configs == NULL) {
free(psp);
return NULL;
}
psp->DriverAPI = driDriverAPI;
psp->loaderPrivate = data;
driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
__dri2NConfigOptions);
driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
"dri2");
return psp;
}
struct fd_device * fd_device_new(int fd)
{
struct fd_device *dev;
drmVersionPtr version;
/* figure out if we are kgsl or msm drm driver: */
version = drmGetVersion(fd);
if (!version) {
ERROR_MSG("cannot get version: %s", strerror(errno));
return NULL;
}
if (!strcmp(version->name, "msm")) {
DEBUG_MSG("msm DRM device");
if (version->version_major != 1) {
ERROR_MSG("unsupported version: %u.%u.%u", version->version_major,
version->version_minor, version->version_patchlevel);
dev = NULL;
goto out;
}
dev = msm_device_new(fd);
dev->version = version->version_minor;
#if HAVE_FREEDRENO_KGSL
} else if (!strcmp(version->name, "kgsl")) {
DEBUG_MSG("kgsl DRM device");
dev = kgsl_device_new(fd);
#endif
} else {
ERROR_MSG("unknown device: %s", version->name);
dev = NULL;
}
out:
drmFreeVersion(version);
if (!dev)
return NULL;
p_atomic_set(&dev->refcnt, 1);
dev->fd = fd;
dev->handle_table = _mesa_hash_table_create(NULL, u32_hash, u32_equals);
dev->name_table = _mesa_hash_table_create(NULL, u32_hash, u32_equals);
fd_bo_cache_init(&dev->bo_cache, FALSE);
fd_bo_cache_init(&dev->ring_cache, TRUE);
return dev;
}
static Bool has_kernel_mode_setting(const struct pci_device *dev)
{
char id[20];
int ret, fd;
snprintf(id, sizeof(id),
"pci:%04x:%02x:%02x.%d",
dev->domain, dev->bus, dev->dev, dev->func);
ret = drmCheckModesettingSupported(id);
if (ret) {
if (xf86LoadKernelModule("i915"))
ret = drmCheckModesettingSupported(id);
if (ret)
return FALSE;
/* Be nice to the user and load fbcon too */
(void)xf86LoadKernelModule("fbcon");
}
/* Confirm that this is a i915.ko device with GEM/KMS enabled */
ret = FALSE;
fd = drmOpen(NULL, id);
if (fd != -1) {
drmVersionPtr version = drmGetVersion(fd);
if (version) {
ret = strcmp ("i915", version->name) == 0;
drmFreeVersion(version);
}
if (ret) {
struct drm_i915_getparam gp;
gp.param = I915_PARAM_HAS_GEM;
gp.value = &ret;
if (drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp))
ret = FALSE;
}
if (ret) {
struct drm_mode_card_res res;
memset(&res, 0, sizeof(res));
if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
ret = FALSE;
}
close(fd);
}
return ret;
}
/*
* Create the driver for a DRM fd.
*/
static struct gralloc_drm_drv_t *
init_drv_from_fd(int fd)
{
struct gralloc_drm_drv_t *drv = NULL;
drmVersionPtr version;
/* get the kernel module name */
version = drmGetVersion(fd);
if (!version) {
LOGE("invalid DRM fd");
return NULL;
}
if (version->name) {
#ifdef ENABLE_PIPE
drv = gralloc_drm_drv_create_for_pipe(fd, version->name);
#endif
#ifdef ENABLE_INTEL
if (!drv && !strcmp(version->name, "i915"))
drv = gralloc_drm_drv_create_for_intel(fd);
#endif
#ifdef ENABLE_OMAP
if (!drv && !strcmp(version->name, "omapdrm"))
drv = gralloc_drm_drv_create_for_omap(fd);
#endif
#ifdef ENABLE_RADEON
if (!drv && !strcmp(version->name, "radeon"))
drv = gralloc_drm_drv_create_for_radeon(fd);
#endif
#ifdef ENABLE_NOUVEAU
if (!drv && !strcmp(version->name, "nouveau"))
drv = gralloc_drm_drv_create_for_nouveau(fd);
#endif
}
if (!drv) {
LOGE("unsupported driver: %s", (version->name) ?
version->name : "NULL");
}
drmFreeVersion(version);
return drv;
}
static void getversion(int fd)
{
drmVersionPtr version;
version = drmGetVersion(fd);
if (version) {
printf( "Name: %s\n", version->name ? version->name : "?" );
printf( " Version: %d.%d.%d\n",
version->version_major,
version->version_minor,
version->version_patchlevel );
printf( " Date: %s\n", version->date ? version->date : "?" );
printf( " Desc: %s\n", version->desc ? version->desc : "?" );
drmFreeVersion(version);
} else {
printf( "No driver available\n" );
}
}
drm_public int drm_tegra_new(struct drm_tegra **drmp, int fd)
{
bool supported = false;
drmVersionPtr version;
version = drmGetVersion(fd);
if (!version)
return -ENOMEM;
if (!strncmp(version->name, "tegra", version->name_len))
supported = true;
drmFreeVersion(version);
if (!supported)
return -ENOTSUP;
return drm_tegra_wrap(drmp, fd, false);
}
static void
log_drm_version (GstKMSSink * self)
{
#ifndef GST_DISABLE_GST_DEBUG
drmVersion *v;
v = drmGetVersion (self->fd);
if (v) {
GST_INFO_OBJECT (self, "DRM v%d.%d.%d [%s — %s — %s]", v->version_major,
v->version_minor, v->version_patchlevel, GST_STR_NULL (v->name),
GST_STR_NULL (v->desc), GST_STR_NULL (v->date));
drmFreeVersion (v);
} else {
GST_WARNING_OBJECT (self, "could not get driver information: %s",
GST_STR_NULL (self->devname));
}
#endif
return;
}
static gboolean
device_open (Device *device)
{
gboolean ret = FALSE;
device->fd = open ("/dev/dri/card0", O_RDWR);
if (device->fd < 0)
{
g_warning ("Unable to open DRI device");
goto out;
}
ret = TRUE;
drmVersionPtr version = drmGetVersion (device->fd);
g_print ("Driver name: %s\n", version->name);
drmFreeVersion (version);
out:
return ret;
}
int main(int argc, char *argv[])
{
struct etna_device *dev;
drmVersionPtr version;
int fd, ret = 0;
fd = open(argv[1], O_RDWR);
if (fd < 0)
return 1;
version = drmGetVersion(fd);
if (version) {
printf("Version: %d.%d.%d\n", version->version_major,
version->version_minor, version->version_patchlevel);
printf(" Name: %s\n", version->name);
printf(" Date: %s\n", version->date);
printf(" Description: %s\n", version->desc);
drmFreeVersion(version);
}
dev = etna_device_new(fd);
if (!dev) {
ret = 2;
goto out;
}
test_cache(dev);
test_size_rounding(dev);
etna_device_del(dev);
out:
close(fd);
return ret;
}
int main(int argc, char *argv[])
{
struct drm_tegra *tegra;
drmVersionPtr version;
const char *device;
int err, fd;
if (argc < 2)
device = default_device;
else
device = argv[1];
fd = open(device, O_RDWR);
if (fd < 0)
return 1;
version = drmGetVersion(fd);
if (version) {
printf("Version: %d.%d.%d\n", version->version_major,
version->version_minor, version->version_patchlevel);
printf(" Name: %s\n", version->name);
printf(" Date: %s\n", version->date);
printf(" Description: %s\n", version->desc);
drmFreeVersion(version);
}
err = drm_tegra_new(&tegra, fd);
if (err < 0)
return 1;
drm_tegra_close(tegra);
close(fd);
return 0;
}
/**
* This is the first entrypoint in the driver called by the DRI driver loader
* after dlopen()ing it.
*
* It's used to create global state for the driver across contexts on the same
* Display.
*/
static __DRIscreen *
driCreateNewScreen2(int scrn, int fd,
const __DRIextension **extensions,
const __DRIextension **driver_extensions,
const __DRIconfig ***driver_configs, void *data)
{
static const __DRIextension *emptyExtensionList[] = { NULL };
__DRIscreen *psp;
psp = calloc(1, sizeof(*psp));
if (!psp)
return NULL;
/* By default, use the global driDriverAPI symbol (non-megadrivers). */
psp->driver = globalDriverAPI;
/* If the driver exposes its vtable through its extensions list
* (megadrivers), use that instead.
*/
if (driver_extensions) {
for (int i = 0; driver_extensions[i]; i++) {
if (strcmp(driver_extensions[i]->name, __DRI_DRIVER_VTABLE) == 0) {
psp->driver =
((__DRIDriverVtableExtension *)driver_extensions[i])->vtable;
}
}
}
setupLoaderExtensions(psp, extensions);
#ifndef __NOT_HAVE_DRM_H
if (fd != -1) {
drmVersionPtr version = drmGetVersion(fd);
if (version) {
psp->drm_version.major = version->version_major;
psp->drm_version.minor = version->version_minor;
psp->drm_version.patch = version->version_patchlevel;
drmFreeVersion(version);
}
}
#endif
psp->loaderPrivate = data;
psp->extensions = emptyExtensionList;
psp->fd = fd;
psp->myNum = scrn;
*driver_configs = psp->driver->InitScreen(psp);
if (*driver_configs == NULL) {
free(psp);
return NULL;
}
int gl_version_override = _mesa_get_gl_version_override();
if (gl_version_override >= 31) {
psp->max_gl_core_version = MAX2(psp->max_gl_core_version,
gl_version_override);
} else {
psp->max_gl_compat_version = MAX2(psp->max_gl_compat_version,
gl_version_override);
}
psp->api_mask = (1 << __DRI_API_OPENGL);
if (psp->max_gl_core_version > 0)
psp->api_mask |= (1 << __DRI_API_OPENGL_CORE);
if (psp->max_gl_es1_version > 0)
psp->api_mask |= (1 << __DRI_API_GLES);
if (psp->max_gl_es2_version > 0)
psp->api_mask |= (1 << __DRI_API_GLES2);
if (psp->max_gl_es2_version >= 30)
psp->api_mask |= (1 << __DRI_API_GLES3);
driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions);
driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, "dri2");
return psp;
}
/**
* Perform the required libGL-side initialization and call the client-side
* driver's \c __driCreateNewScreen function.
*
* \param dpy Display pointer.
* \param scrn Screen number on the display.
* \param psc DRI screen information.
* \param driDpy DRI display information.
* \param createNewScreen Pointer to the client-side driver's
* \c __driCreateNewScreen function.
* \returns A pointer to the \c __DRIscreen structure returned by
* the client-side driver on success, or \c NULL on failure.
*/
static void *
CallCreateNewScreen(Display *dpy, int scrn, struct dri_screen *psc,
struct dri_display * driDpy)
{
void *psp = NULL;
drm_handle_t hSAREA;
drmAddress pSAREA = MAP_FAILED;
char *BusID;
__DRIversion ddx_version;
__DRIversion dri_version;
__DRIversion drm_version;
__DRIframebuffer framebuffer;
int fd = -1;
int status;
drm_magic_t magic;
drmVersionPtr version;
int newlyopened;
char *driverName;
drm_handle_t hFB;
int junk;
const __DRIconfig **driver_configs;
struct glx_config *visual, *configs = NULL, *visuals = NULL;
/* DRI protocol version. */
dri_version.major = driDpy->driMajor;
dri_version.minor = driDpy->driMinor;
dri_version.patch = driDpy->driPatch;
framebuffer.base = MAP_FAILED;
framebuffer.dev_priv = NULL;
framebuffer.size = 0;
if (!XF86DRIOpenConnection(dpy, scrn, &hSAREA, &BusID)) {
ErrorMessageF("XF86DRIOpenConnection failed\n");
goto handle_error;
}
fd = drmOpenOnce(NULL, BusID, &newlyopened);
free(BusID); /* No longer needed */
if (fd < 0) {
ErrorMessageF("drmOpenOnce failed (%s)\n", strerror(-fd));
goto handle_error;
}
if (drmGetMagic(fd, &magic)) {
ErrorMessageF("drmGetMagic failed\n");
goto handle_error;
}
version = drmGetVersion(fd);
if (version) {
drm_version.major = version->version_major;
drm_version.minor = version->version_minor;
drm_version.patch = version->version_patchlevel;
drmFreeVersion(version);
}
else {
drm_version.major = -1;
drm_version.minor = -1;
drm_version.patch = -1;
}
if (newlyopened && !XF86DRIAuthConnection(dpy, scrn, magic)) {
ErrorMessageF("XF86DRIAuthConnection failed\n");
goto handle_error;
}
/* Get device name (like "radeon") and the ddx version numbers.
* We'll check the version in each DRI driver's "createNewScreen"
* function. */
if (!XF86DRIGetClientDriverName(dpy, scrn,
&ddx_version.major,
&ddx_version.minor,
&ddx_version.patch, &driverName)) {
ErrorMessageF("XF86DRIGetClientDriverName failed\n");
goto handle_error;
}
free(driverName); /* No longer needed. */
/*
* Get device-specific info. pDevPriv will point to a struct
* (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that
* has information about the screen size, depth, pitch, ancilliary
* buffers, DRM mmap handles, etc.
*/
if (!XF86DRIGetDeviceInfo(dpy, scrn, &hFB, &junk,
&framebuffer.size, &framebuffer.stride,
&framebuffer.dev_priv_size,
&framebuffer.dev_priv)) {
ErrorMessageF("XF86DRIGetDeviceInfo failed\n");
goto handle_error;
}
framebuffer.width = DisplayWidth(dpy, scrn);
framebuffer.height = DisplayHeight(dpy, scrn);
/* Map the framebuffer region. */
status = drmMap(fd, hFB, framebuffer.size,
(drmAddressPtr) & framebuffer.base);
if (status != 0) {
ErrorMessageF("drmMap of framebuffer failed (%s)\n", strerror(-status));
goto handle_error;
}
/* Map the SAREA region. Further mmap regions may be setup in
* each DRI driver's "createNewScreen" function.
*/
status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA);
if (status != 0) {
ErrorMessageF("drmMap of SAREA failed (%s)\n", strerror(-status));
goto handle_error;
}
psp = (*psc->legacy->createNewScreen) (scrn,
&ddx_version,
&dri_version,
&drm_version,
&framebuffer,
pSAREA,
fd,
loader_extensions,
&driver_configs, psc);
if (psp == NULL) {
ErrorMessageF("Calling driver entry point failed\n");
goto handle_error;
}
configs = driConvertConfigs(psc->core, psc->base.configs, driver_configs);
visuals = driConvertConfigs(psc->core, psc->base.visuals, driver_configs);
if (!configs || !visuals)
goto handle_error;
glx_config_destroy_list(psc->base.configs);
psc->base.configs = configs;
glx_config_destroy_list(psc->base.visuals);
psc->base.visuals = visuals;
psc->driver_configs = driver_configs;
/* Visuals with depth != screen depth are subject to automatic compositing
* in the X server, so DRI1 can't render to them properly. Mark them as
* non-conformant to prevent apps from picking them up accidentally.
*/
for (visual = psc->base.visuals; visual; visual = visual->next) {
XVisualInfo template;
Bool
I810DRIScreenInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
I810Ptr pI810 = I810PTR(pScrn);
DRIInfoPtr pDRIInfo;
I810DRIPtr pI810DRI;
unsigned long tom;
drm_handle_t agpHandle;
drm_handle_t dcacheHandle;
int sysmem_size = 0;
int back_size = 0;
unsigned int pitch_idx = 0;
int bufs;
int width = pScrn->displayWidth * pI810->cpp;
int i;
/* Hardware 3D rendering only implemented for 16bpp */
/* And it only works for 5:6:5 (Mark) */
if (pScrn->depth != 16)
return FALSE;
/* Check that the DRI, and DRM modules have been loaded by testing
* for known symbols in each module. */
if (!xf86LoaderCheckSymbol("drmAvailable"))
return FALSE;
if (!xf86LoaderCheckSymbol("DRIQueryVersion")) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] I810DRIScreenInit failed (libdri.a too old)\n");
return FALSE;
}
/* adjust width first */
#define Elements(x) sizeof(x)/sizeof(*x)
for (pitch_idx = 0; pitch_idx < Elements(i810_pitches); pitch_idx++)
if (width <= i810_pitches[pitch_idx])
break;
if (pitch_idx == Elements(i810_pitches)) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[dri] Couldn't find depth/back buffer pitch");
DRICloseScreen(pScreen);
return FALSE;
} else {
/* for tiled memory to work, the buffer needs to have the
* number of lines as a multiple of 16 (the tile size),
* - airlied */
int lines = (pScrn->virtualY + 15) / 16 * 16;
back_size = i810_pitches[pitch_idx] * lines;
back_size = ((back_size + 4096 - 1) / 4096) * 4096;
}
pScrn->displayWidth = i810_pitches[pitch_idx] / pI810->cpp;
/* Check the DRI version */
{
int major, minor, patch;
DRIQueryVersion(&major, &minor, &patch);
if (major != DRIINFO_MAJOR_VERSION || minor < DRIINFO_MINOR_VERSION) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] I810DRIScreenInit failed because of a version mismatch.\n"
"[dri] libdri version is %d.%d.%d bug version %d.%d.x is needed.\n"
"[dri] Disabling DRI.\n", major, minor, patch,
DRIINFO_MAJOR_VERSION, DRIINFO_MINOR_VERSION);
return FALSE;
}
}
pDRIInfo = DRICreateInfoRec();
if (!pDRIInfo) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] DRICreateInfoRec failed. Disabling DRI.\n");
return FALSE;
}
/* pDRIInfo->wrap.ValidateTree = 0; */
/* pDRIInfo->wrap.PostValidateTree = 0; */
pI810->pDRIInfo = pDRIInfo;
pI810->LockHeld = 0;
pDRIInfo->drmDriverName = I810KernelDriverName;
pDRIInfo->clientDriverName = I810ClientDriverName;
if (xf86LoaderCheckSymbol("DRICreatePCIBusID")) {
pDRIInfo->busIdString = DRICreatePCIBusID(pI810->PciInfo);
} else {
pDRIInfo->busIdString = malloc(64);
if (pDRIInfo->busIdString)
sprintf(pDRIInfo->busIdString, "PCI:%d:%d:%d",
((pI810->PciInfo->domain << 8) | pI810->PciInfo->bus),
pI810->PciInfo->dev, pI810->PciInfo->func
);
}
if (!pDRIInfo->busIdString) {
DRIDestroyInfoRec(pI810->pDRIInfo);
pI810->pDRIInfo = NULL;
return FALSE;
}
pDRIInfo->ddxDriverMajorVersion = I810_MAJOR_VERSION;
pDRIInfo->ddxDriverMinorVersion = I810_MINOR_VERSION;
pDRIInfo->ddxDriverPatchVersion = I810_PATCHLEVEL;
pDRIInfo->frameBufferPhysicalAddress = (pointer) pI810->LinearAddr;
pDRIInfo->frameBufferSize = (((pScrn->displayWidth *
pScrn->virtualY * pI810->cpp) +
4096 - 1) / 4096) * 4096;
pDRIInfo->frameBufferStride = pScrn->displayWidth * pI810->cpp;
pDRIInfo->ddxDrawableTableEntry = I810_MAX_DRAWABLES;
if (SAREA_MAX_DRAWABLES < I810_MAX_DRAWABLES)
pDRIInfo->maxDrawableTableEntry = SAREA_MAX_DRAWABLES;
else
pDRIInfo->maxDrawableTableEntry = I810_MAX_DRAWABLES;
/* For now the mapping works by using a fixed size defined
* in the SAREA header
*/
if (sizeof(XF86DRISAREARec) + sizeof(I810SAREARec) > SAREA_MAX) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] Data does not fit in SAREA\n");
return FALSE;
}
pDRIInfo->SAREASize = SAREA_MAX;
if (!(pI810DRI = (I810DRIPtr) calloc(sizeof(I810DRIRec), 1))) {
DRIDestroyInfoRec(pI810->pDRIInfo);
pI810->pDRIInfo = NULL;
return FALSE;
}
pDRIInfo->devPrivate = pI810DRI;
pDRIInfo->devPrivateSize = sizeof(I810DRIRec);
pDRIInfo->contextSize = sizeof(I810DRIContextRec);
pDRIInfo->CreateContext = I810CreateContext;
pDRIInfo->DestroyContext = I810DestroyContext;
pDRIInfo->SwapContext = I810DRISwapContext;
pDRIInfo->InitBuffers = I810DRIInitBuffers;
pDRIInfo->MoveBuffers = I810DRIMoveBuffers;
pDRIInfo->bufferRequests = DRI_ALL_WINDOWS;
pDRIInfo->TransitionTo2d = I810DRITransitionTo2d;
pDRIInfo->TransitionTo3d = I810DRITransitionTo3d;
pDRIInfo->TransitionSingleToMulti3D = I810DRITransitionSingleToMulti3d;
pDRIInfo->TransitionMultiToSingle3D = I810DRITransitionMultiToSingle3d;
pDRIInfo->createDummyCtx = TRUE;
pDRIInfo->createDummyCtxPriv = FALSE;
/* This adds the framebuffer as a drm map *before* we have asked agp
* to allocate it. Scary stuff, hold on...
*/
if (!DRIScreenInit(pScreen, pDRIInfo, &pI810->drmSubFD)) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] DRIScreenInit failed. Disabling DRI.\n");
free(pDRIInfo->devPrivate);
pDRIInfo->devPrivate = NULL;
DRIDestroyInfoRec(pI810->pDRIInfo);
pI810->pDRIInfo = NULL;
return FALSE;
}
/* Check the i810 DRM versioning */
{
drmVersionPtr version;
/* Check the DRM lib version.
* drmGetLibVersion was not supported in version 1.0, so check for
* symbol first to avoid possible crash or hang.
*/
if (xf86LoaderCheckSymbol("drmGetLibVersion")) {
version = drmGetLibVersion(pI810->drmSubFD);
} else
{
/* drmlib version 1.0.0 didn't have the drmGetLibVersion
* entry point. Fake it by allocating a version record
* via drmGetVersion and changing it to version 1.0.0
*/
version = drmGetVersion(pI810->drmSubFD);
version->version_major = 1;
version->version_minor = 0;
version->version_patchlevel = 0;
}
#define REQ_MAJ 1
#define REQ_MIN 1
if (version) {
if (version->version_major != REQ_MAJ ||
version->version_minor < REQ_MIN) {
/* incompatible drm library version */
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] I810DRIScreenInit failed because of a version mismatch.\n"
"[dri] libdrm.a module version is %d.%d.%d but version %d.%d.x is needed.\n"
"[dri] Disabling DRI.\n",
version->version_major,
version->version_minor, version->version_patchlevel,
REQ_MAJ, REQ_MIN);
drmFreeVersion(version);
I810DRICloseScreen(pScreen);
return FALSE;
}
drmFreeVersion(version);
}
/* Check the i810 DRM version */
version = drmGetVersion(pI810->drmSubFD);
if (version) {
i810_drm_version = (version->version_major<<16) |
version->version_minor;
if (version->version_major != 1 || version->version_minor < 2) {
/* incompatible drm version */
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] I810DRIScreenInit failed because of a version mismatch.\n"
"[dri] i810.o kernel module version is %d.%d.%d but version 1.2.0 or greater is needed.\n"
"[dri] Disabling DRI.\n",
version->version_major,
version->version_minor, version->version_patchlevel);
I810DRICloseScreen(pScreen);
drmFreeVersion(version);
return FALSE;
}
pI810->drmMinor = version->version_minor;
drmFreeVersion(version);
}
}
pI810DRI->regsSize = I810_REG_SIZE;
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->MMIOAddr,
pI810DRI->regsSize, DRM_REGISTERS, 0,
(drmAddress) &pI810DRI->regs) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR, "[drm] drmAddMap(regs) failed\n");
DRICloseScreen(pScreen);
return FALSE;
}
xf86DrvMsg(pScreen->myNum, X_INFO, "[drm] Registers = 0x%08x\n",
(int)pI810DRI->regs);
pI810->backHandle = DRM_AGP_NO_HANDLE;
pI810->zHandle = DRM_AGP_NO_HANDLE;
pI810->cursorHandle = DRM_AGP_NO_HANDLE;
pI810->xvmcHandle = DRM_AGP_NO_HANDLE;
pI810->sysmemHandle = DRM_AGP_NO_HANDLE;
pI810->agpAcquired = FALSE;
pI810->dcacheHandle = DRM_AGP_NO_HANDLE;
/* Agp Support - Need this just to get the framebuffer.
*/
if (drmAgpAcquire(pI810->drmSubFD) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] drmAgpAquire failed\n");
DRICloseScreen(pScreen);
return FALSE;
}
pI810->agpAcquired = TRUE;
if (drmAgpEnable(pI810->drmSubFD, 0) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] drmAgpEnable failed\n");
DRICloseScreen(pScreen);
return FALSE;
}
memset(&pI810->DcacheMem, 0, sizeof(I810MemRange));
memset(&pI810->BackBuffer, 0, sizeof(I810MemRange));
memset(&pI810->DepthBuffer, 0, sizeof(I810MemRange));
pI810->CursorPhysical = 0;
pI810->CursorARGBPhysical = 0;
/* Dcache - half the speed of normal ram, but has use as a Z buffer
* under the DRI.
*/
drmAgpAlloc(pI810->drmSubFD, 4096 * 1024, 1, NULL,
(drmAddress) &dcacheHandle);
pI810->dcacheHandle = dcacheHandle;
xf86DrvMsg(pScreen->myNum, X_INFO, "[agp] dcacheHandle : 0x%x\n",
(int)dcacheHandle);
sysmem_size = pScrn->videoRam * 1024;
if (dcacheHandle != DRM_AGP_NO_HANDLE) {
if (back_size > 4 * 1024 * 1024) {
xf86DrvMsg(pScreen->myNum, X_INFO,
"[dri] Backsize is larger then 4 meg\n");
sysmem_size = sysmem_size - 2 * back_size;
drmAgpFree(pI810->drmSubFD, dcacheHandle);
pI810->dcacheHandle = dcacheHandle = DRM_AGP_NO_HANDLE;
} else {
sysmem_size = sysmem_size - back_size;
}
} else {
sysmem_size = sysmem_size - 2 * back_size;
}
/* Max size is 48 without XvMC, 41 with 6 surfaces, 40 with 7 surfaces */
if (pI810->numSurfaces && (pI810->numSurfaces == 6)) {
if (sysmem_size > (pI810->FbMapSize - 7 * 1024 * 1024)) {
sysmem_size = (pI810->FbMapSize - 7 * 1024 * 1024);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"User requested more memory then fits in the agp aperture\n"
"Truncating to %d bytes of memory\n", sysmem_size);
}
}
if (pI810->numSurfaces && (pI810->numSurfaces == 7)) {
if (sysmem_size > (pI810->FbMapSize - 8 * 1024 * 1024)) {
sysmem_size = (pI810->FbMapSize - 8 * 1024 * 1024);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"User requested more memory then fits in the agp aperture\n"
"Truncating to %d bytes of memory\n", sysmem_size);
}
}
if (sysmem_size > pI810->FbMapSize) {
sysmem_size = pI810->FbMapSize;
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[dri] User requested more memory then fits in the agp"
" aperture\n\tTruncating to %d bytes of memory\n",
sysmem_size);
}
sysmem_size -= 4096; /* remove 4k for the hw cursor */
sysmem_size -= 16384; /* remove 16k for the ARGB hw cursor */
pI810->SysMem.Start = 0;
pI810->SysMem.Size = sysmem_size;
pI810->SysMem.End = sysmem_size;
tom = sysmem_size;
pI810->SavedSysMem = pI810->SysMem;
if (dcacheHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, dcacheHandle, pI810->DepthOffset) == 0) {
memset(&pI810->DcacheMem, 0, sizeof(I810MemRange));
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: Found 4096K Z buffer memory\n");
pI810->DcacheMem.Start = pI810->DepthOffset;
pI810->DcacheMem.Size = 1024 * 4096;
pI810->DcacheMem.End =
pI810->DcacheMem.Start + pI810->DcacheMem.Size;
if (!I810AllocLow
(&(pI810->DepthBuffer), &(pI810->DcacheMem), back_size)) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Depth buffer allocation failed\n");
DRICloseScreen(pScreen);
return FALSE;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: dcache bind failed\n");
drmAgpFree(pI810->drmSubFD, dcacheHandle);
pI810->dcacheHandle = dcacheHandle = DRM_AGP_NO_HANDLE;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: no dcache memory found\n");
}
drmAgpAlloc(pI810->drmSubFD, back_size, 0, NULL,
(drmAddress) &agpHandle);
pI810->backHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, agpHandle, pI810->BackOffset) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Bound backbuffer memory\n");
pI810->BackBuffer.Start = pI810->BackOffset;
pI810->BackBuffer.Size = back_size;
pI810->BackBuffer.End = (pI810->BackBuffer.Start +
pI810->BackBuffer.Size);
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Unable to bind backbuffer. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[dri] Unable to allocate backbuffer memory. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
if (dcacheHandle == DRM_AGP_NO_HANDLE) {
drmAgpAlloc(pI810->drmSubFD, back_size, 0, NULL,
(drmAddress) &agpHandle);
pI810->zHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, agpHandle, pI810->DepthOffset) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Bound depthbuffer memory\n");
pI810->DepthBuffer.Start = pI810->DepthOffset;
pI810->DepthBuffer.Size = back_size;
pI810->DepthBuffer.End = (pI810->DepthBuffer.Start +
pI810->DepthBuffer.Size);
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Unable to bind depthbuffer. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Unable to allocate depthbuffer memory. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
}
/* Now allocate and bind the agp space. This memory will include the
* regular framebuffer as well as texture memory.
*/
drmAgpAlloc(pI810->drmSubFD, sysmem_size, 0, NULL,
(drmAddress)&agpHandle);
pI810->sysmemHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, agpHandle, 0) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Bound System Texture Memory\n");
} else {
xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] Unable to bind system texture memory. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
} else {
xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] Unable to allocate system texture memory. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
/* Allocate 7 or 8MB for XvMC this is setup as follows to best use tiled
regions and required surface pitches. (Numbers are adjusted if the
AGP region is only 32MB
For numSurfaces == 6
44 - 48MB = 4MB Fence, 8 Tiles wide
43 - 44MB = 1MB Fence, 8 Tiles wide
42 - 43MB = 1MB Fence, 4 Tiles wide
41 - 42MB = 1MB Fence, 4 Tiles wide
For numSurfaces == 7
44 - 48MB = 4MB Fence, 8 Tiles wide
43 - 44MB = 1MB Fence, 8 Tiles wide
42.5 - 43MB = 0.5MB Fence, 8 Tiles wide
42 - 42.5MB = 0.5MB Fence, 4 Tiles wide
40 - 42MB = 2MB Fence, 4 Tiles wide
*/
if (pI810->numSurfaces) {
if (pI810->numSurfaces == 6) {
pI810->MC.Size = 7 * 1024 * 1024;
pI810->MC.Start = pI810->FbMapSize - 7 * 1024 * 1024;
}
if (pI810->numSurfaces == 7) {
pI810->MC.Size = 8 * 1024 * 1024;
pI810->MC.Start = pI810->FbMapSize - 8 * 1024 * 1024;
}
drmAgpAlloc(pI810->drmSubFD, pI810->MC.Size, 0, NULL,
(drmAddress) &agpHandle);
pI810->xvmcHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, agpHandle, pI810->MC.Start) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"GART: Allocated 7MB for HWMC\n");
pI810->MC.End = pI810->MC.Start + pI810->MC.Size;
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "GART: HWMC bind failed\n");
pI810->MC.Start = 0;
pI810->MC.Size = 0;
pI810->MC.End = 0;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "GART: HWMC alloc failed\n");
pI810->MC.Start = 0;
pI810->MC.Size = 0;
pI810->MC.End = 0;
}
pI810->xvmcContext = 0;
}
drmAgpAlloc(pI810->drmSubFD, 4096, 2,
(unsigned long *)&pI810->CursorPhysical,
(drmAddress) &agpHandle);
pI810->cursorHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
tom = sysmem_size;
if (drmAgpBind(pI810->drmSubFD, agpHandle, tom) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: Allocated 4K for mouse cursor image\n");
pI810->CursorStart = tom;
tom += 4096;
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: cursor bind failed\n");
pI810->CursorPhysical = 0;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: cursor alloc failed\n");
pI810->CursorPhysical = 0;
}
drmAgpAlloc(pI810->drmSubFD, 16384, 2,
(unsigned long *)&pI810->CursorARGBPhysical,
(drmAddress) &agpHandle);
pI810->cursorARGBHandle = agpHandle;
if (agpHandle != DRM_AGP_NO_HANDLE) {
if (drmAgpBind(pI810->drmSubFD, agpHandle, tom) == 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: Allocated 16K for ARGB mouse cursor image\n");
pI810->CursorARGBStart = tom;
tom += 16384;
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: ARGB cursor bind failed\n");
pI810->CursorARGBPhysical = 0;
}
} else {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] GART: ARGB cursor alloc failed\n");
pI810->CursorARGBPhysical = 0;
}
/* Steal some of the excess cursor space for the overlay regs.
*/
pI810->OverlayPhysical = pI810->CursorPhysical + 1024;
pI810->OverlayStart = pI810->CursorStart + 1024;
I810SetTiledMemory(pScrn, 1,
pI810->DepthBuffer.Start,
i810_pitches[pitch_idx], 8 * 1024 * 1024);
I810SetTiledMemory(pScrn, 2,
pI810->BackBuffer.Start,
i810_pitches[pitch_idx], 8 * 1024 * 1024);
/* These are for HWMC surfaces */
if (pI810->numSurfaces == 6) {
I810SetTiledMemory(pScrn, 3, pI810->MC.Start, 512, 1024 * 1024);
I810SetTiledMemory(pScrn, 4,
pI810->MC.Start + 1024 * 1024, 512, 1024 * 1024);
I810SetTiledMemory(pScrn, 5,
pI810->MC.Start + 1024 * 1024 * 2,
1024, 1024 * 1024);
I810SetTiledMemory(pScrn, 6,
pI810->MC.Start + 1024 * 1024 * 3,
1024, 4 * 1024 * 1024);
}
if (pI810->numSurfaces == 7) {
I810SetTiledMemory(pScrn, 3, pI810->MC.Start, 512, 2 * 1024 * 1024);
I810SetTiledMemory(pScrn, 4,
pI810->MC.Start + 2 * 1024 * 1024, 512, 512 * 1024);
I810SetTiledMemory(pScrn, 5,
pI810->MC.Start + 2 * 1024 * 1024 + 512 * 1024,
1024, 512 * 1024);
I810SetTiledMemory(pScrn, 6,
pI810->MC.Start + 3 * 1024 * 1024,
1024, 1 * 1024 * 1024);
I810SetTiledMemory(pScrn, 7,
pI810->MC.Start + 4 * 1024 * 1024,
1024, 4 * 1024 * 1024);
}
pI810->auxPitch = i810_pitches[pitch_idx];
pI810->auxPitchBits = i810_pitch_flags[pitch_idx];
pI810->SavedDcacheMem = pI810->DcacheMem;
pI810DRI->backbufferSize = pI810->BackBuffer.Size;
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->BackBuffer.Start,
pI810->BackBuffer.Size, DRM_AGP, 0,
(drmAddress) &pI810DRI->backbuffer) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] drmAddMap(backbuffer) failed. Disabling DRI\n");
DRICloseScreen(pScreen);
return FALSE;
}
pI810DRI->depthbufferSize = pI810->DepthBuffer.Size;
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->DepthBuffer.Start,
pI810->DepthBuffer.Size, DRM_AGP, 0,
(drmAddress) &pI810DRI->depthbuffer) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] drmAddMap(depthbuffer) failed. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
/* Allocate FrontBuffer etc. */
if (!I810AllocateFront(pScrn)) {
DRICloseScreen(pScreen);
return FALSE;
}
/* Allocate buffer memory */
I810AllocHigh(&(pI810->BufferMem), &(pI810->SysMem),
I810_DMA_BUF_NR * I810_DMA_BUF_SZ);
xf86DrvMsg(pScreen->myNum, X_INFO, "[dri] Buffer map : %lx\n",
pI810->BufferMem.Start);
if (pI810->BufferMem.Start == 0 ||
pI810->BufferMem.End - pI810->BufferMem.Start >
I810_DMA_BUF_NR * I810_DMA_BUF_SZ) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[dri] Not enough memory for dma buffers. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->BufferMem.Start,
pI810->BufferMem.Size, DRM_AGP, 0,
(drmAddress) &pI810->buffer_map) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] drmAddMap(buffer_map) failed. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
pI810DRI->agp_buffers = pI810->buffer_map;
pI810DRI->agp_buf_size = pI810->BufferMem.Size;
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->LpRing->mem.Start,
pI810->LpRing->mem.Size, DRM_AGP, 0,
(drmAddress) &pI810->ring_map) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] drmAddMap(ring_map) failed. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
/* Use the rest of memory for textures. */
pI810DRI->textureSize = pI810->SysMem.Size;
i = mylog2(pI810DRI->textureSize / I810_NR_TEX_REGIONS);
if (i < I810_LOG_MIN_TEX_REGION_SIZE)
i = I810_LOG_MIN_TEX_REGION_SIZE;
pI810DRI->logTextureGranularity = i;
pI810DRI->textureSize = (pI810DRI->textureSize >> i) << i; /* truncate */
if (pI810DRI->textureSize < 512 * 1024) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] Less then 512k memory left for textures. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
if (!I810AllocLow(&(pI810->TexMem), &(pI810->SysMem), pI810DRI->textureSize)) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[agp] Texure memory allocation failed\n");
DRICloseScreen(pScreen);
return FALSE;
}
if (drmAddMap(pI810->drmSubFD, (drm_handle_t) pI810->TexMem.Start,
pI810->TexMem.Size, DRM_AGP, 0,
(drmAddress) &pI810DRI->textures) < 0) {
xf86DrvMsg(pScreen->myNum, X_ERROR,
"[drm] drmAddMap(textures) failed. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
if ((bufs = drmAddBufs(pI810->drmSubFD,
I810_DMA_BUF_NR,
I810_DMA_BUF_SZ,
DRM_AGP_BUFFER, pI810->BufferMem.Start)) <= 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[drm] failure adding %d %d byte DMA buffers. Disabling DRI.\n",
I810_DMA_BUF_NR, I810_DMA_BUF_SZ);
DRICloseScreen(pScreen);
return FALSE;
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[drm] added %d %d byte DMA buffers\n", bufs, I810_DMA_BUF_SZ);
I810InitDma(pScrn);
/* Okay now initialize the dma engine */
if (!pI810DRI->irq) {
pI810DRI->irq = drmGetInterruptFromBusID(pI810->drmSubFD,
((pI810->PciInfo->domain << 8) |
pI810->PciInfo->bus),
pI810->PciInfo->dev,
pI810->PciInfo->func
);
if ((drmCtlInstHandler(pI810->drmSubFD, pI810DRI->irq)) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[drm] failure adding irq handler, there is a device "
"already using that irq\n Consider rearranging your "
"PCI cards. Disabling DRI.\n");
DRICloseScreen(pScreen);
return FALSE;
}
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[drm] dma control initialized, using IRQ %d\n", pI810DRI->irq);
pI810DRI->deviceID = pI810->PciInfo->device_id;
pI810DRI->width = pScrn->virtualX;
pI810DRI->height = pScrn->virtualY;
pI810DRI->mem = pScrn->videoRam * 1024;
pI810DRI->cpp = pI810->cpp;
pI810DRI->fbOffset = pI810->FrontBuffer.Start;
pI810DRI->fbStride = pI810->auxPitch;
pI810DRI->bitsPerPixel = pScrn->bitsPerPixel;
pI810DRI->textureOffset = pI810->TexMem.Start;
pI810DRI->backOffset = pI810->BackBuffer.Start;
pI810DRI->depthOffset = pI810->DepthBuffer.Start;
pI810DRI->ringOffset = pI810->LpRing->mem.Start;
pI810DRI->ringSize = pI810->LpRing->mem.Size;
pI810DRI->auxPitch = pI810->auxPitch;
pI810DRI->auxPitchBits = pI810->auxPitchBits;
pI810DRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"[dri] visual configs initialized.\n");
pI810->pDRIInfo->driverSwapMethod = DRI_HIDE_X_CONTEXT;
return TRUE;
}
unsigned int init_pci(unsigned char bus, const unsigned char forcemem) {
int ret = pci_system_init();
if (ret)
die(_("Failed to init pciaccess"));
struct pci_id_match match;
match.vendor_id = 0x1002;
match.device_id = PCI_MATCH_ANY;
match.subvendor_id = PCI_MATCH_ANY;
match.subdevice_id = PCI_MATCH_ANY;
match.device_class = 0;
match.device_class_mask = 0;
match.match_data = 0;
struct pci_device_iterator *iter = pci_id_match_iterator_create(&match);
struct pci_device *dev = NULL;
char busid[32];
while ((dev = pci_device_next(iter))) {
pci_device_probe(dev);
if ((dev->device_class & 0x00ffff00) != 0x00030000 &&
(dev->device_class & 0x00ffff00) != 0x00038000)
continue;
snprintf(busid, sizeof(busid), "pci:%04x:%02x:%02x.%u",
dev->domain, dev->bus, dev->dev, dev->func);
if (!bus || bus == dev->bus)
break;
}
pci_iterator_destroy(iter);
if (!dev)
die(_("Can't find Radeon cards"));
const unsigned int device_id = dev->device_id;
int reg = 2;
if (getfamily(device_id) >= BONAIRE)
reg = 5;
if (!dev->regions[reg].size) die(_("Can't get the register area size"));
// printf("Found area %p, size %lu\n", area, dev->regions[reg].size);
// DRM support for VRAM
drm_fd = drmOpen(NULL, busid);
if (drm_fd >= 0) {
drmVersionPtr ver = drmGetVersion(drm_fd);
if (strcmp(ver->name, "radeon") != 0 && strcmp(ver->name, "amdgpu") != 0) {
close(drm_fd);
drm_fd = -1;
}
strcpy(drm_name, ver->name);
drmFreeVersion(ver);
}
if (drm_fd < 0 && access("/dev/ati/card0", F_OK) == 0) // fglrx path
drm_fd = open("/dev/ati/card0", O_RDWR);
use_ioctl = 0;
if (drm_fd >= 0) {
authenticate_drm(drm_fd);
uint32_t rreg = 0x8010;
use_ioctl = get_drm_value(drm_fd, RADEON_INFO_READ_REG, &rreg);
}
if (forcemem) {
printf(_("Forcing the /dev/mem path.\n"));
use_ioctl = 0;
}
if (!use_ioctl) {
int mem = open("/dev/mem", O_RDONLY);
if (mem < 0) die(_("Cannot access GPU registers, are you root?"));
area = mmap(NULL, MMAP_SIZE, PROT_READ, MAP_PRIVATE, mem,
dev->regions[reg].base_addr + 0x8000);
if (area == MAP_FAILED) die(_("mmap failed"));
}
bits.vram = 0;
if (drm_fd < 0) {
printf(_("Failed to open DRM node, no VRAM support.\n"));
} else {
drmDropMaster(drm_fd);
drmVersionPtr ver = drmGetVersion(drm_fd);
/* printf("Version %u.%u.%u, name %s\n",
ver->version_major,
ver->version_minor,
ver->version_patchlevel,
ver->name);*/
if (ver->version_major < 2 ||
(ver->version_major == 2 && ver->version_minor < 36)) {
printf(_("Kernel too old for VRAM reporting.\n"));
drmFreeVersion(ver);
goto out;
}
drmFreeVersion(ver);
// No version indicator, so we need to test once
// We use different codepaths for radeon and amdgpu
// We store vram_size and check below if the ret value is sane
if (strcmp(drm_name, "radeon") == 0) {
struct drm_radeon_gem_info gem;
ret = drmCommandWriteRead(drm_fd, DRM_RADEON_GEM_INFO,
&gem, sizeof(gem));
vramsize = gem.vram_size;
} else if (strcmp(drm_name, "amdgpu") == 0) {
#ifdef ENABLE_AMDGPU
struct drm_amdgpu_info_vram_gtt vram_gtt = {};
struct drm_amdgpu_info request;
memset(&request, 0, sizeof(request));
request.return_pointer = (unsigned long) &vram_gtt;
request.return_size = sizeof(vram_gtt);
request.query = AMDGPU_INFO_VRAM_GTT;
ret = drmCommandWrite(drm_fd, DRM_AMDGPU_INFO,
&request, sizeof(request));
vramsize = vram_gtt.vram_size;
#else
printf(_("amdgpu DRM driver is used, but amdgpu VRAM size reporting is not enabled\n"));
#endif
}
if (ret) {
printf(_("Failed to get VRAM size, error %d\n"),
ret);
goto out;
}
ret = getvram();
if (ret == 0) {
if (strcmp(drm_name, "amdgpu") == 0) {
#ifndef ENABLE_AMDGPU
printf(_("amdgpu DRM driver is used, but amdgpu VRAM usage reporting is not enabled\n"));
#endif
}
printf(_("Failed to get VRAM usage, kernel likely too old\n"));
goto out;
}
bits.vram = 1;
}
out:
pci_system_cleanup();
return device_id;
}
/* Helper function to do the ioctls needed for setup and init. */
static boolean do_winsys_init(struct radeon_drm_winsys *ws)
{
struct drm_radeon_gem_info gem_info;
int retval;
drmVersionPtr version;
memset(&gem_info, 0, sizeof(gem_info));
/* We do things in a specific order here.
*
* DRM version first. We need to be sure we're running on a KMS chipset.
* This is also for some features.
*
* Then, the PCI ID. This is essential and should return usable numbers
* for all Radeons. If this fails, we probably got handed an FD for some
* non-Radeon card.
*
* The GEM info is actually bogus on the kernel side, as well as our side
* (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
* we don't actually use the info for anything yet.
*
* The GB and Z pipe requests should always succeed, but they might not
* return sensical values for all chipsets, but that's alright because
* the pipe drivers already know that.
*/
/* Get DRM version. */
version = drmGetVersion(ws->fd);
if (version->version_major != 2 ||
version->version_minor < 3) {
fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
"only compatible with 2.3.x (kernel 2.6.34) or later.\n",
__FUNCTION__,
version->version_major,
version->version_minor,
version->version_patchlevel);
drmFreeVersion(version);
return FALSE;
}
ws->info.drm_major = version->version_major;
ws->info.drm_minor = version->version_minor;
ws->info.drm_patchlevel = version->version_patchlevel;
drmFreeVersion(version);
/* Get PCI ID. */
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_DEVICE_ID, "PCI ID",
&ws->info.pci_id))
return FALSE;
/* Check PCI ID. */
switch (ws->info.pci_id) {
#define CHIPSET(pci_id, name, family) case pci_id:
#include "pci_ids/r300_pci_ids.h"
#undef CHIPSET
ws->gen = R300;
break;
#define CHIPSET(pci_id, name, family) case pci_id:
#include "pci_ids/r600_pci_ids.h"
#undef CHIPSET
ws->gen = R600;
break;
#define CHIPSET(pci_id, name, family) case pci_id:
#include "pci_ids/radeonsi_pci_ids.h"
#undef CHIPSET
ws->gen = SI;
break;
default:
fprintf(stderr, "radeon: Invalid PCI ID.\n");
return FALSE;
}
/* Get GEM info. */
retval = drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_INFO,
&gem_info, sizeof(gem_info));
if (retval) {
fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
retval);
return FALSE;
}
ws->info.gart_size = gem_info.gart_size;
ws->info.vram_size = gem_info.vram_size;
ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
/* Generation-specific queries. */
if (ws->gen == R300) {
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
"GB pipe count",
&ws->info.r300_num_gb_pipes))
return FALSE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
"Z pipe count",
&ws->info.r300_num_z_pipes))
return FALSE;
}
else if (ws->gen >= R600) {
if (ws->info.drm_minor >= 9 &&
!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
"num backends",
&ws->info.r600_num_backends))
return FALSE;
/* get the GPU counter frequency, failure is not fatal */
radeon_get_drm_value(ws->fd, RADEON_INFO_CLOCK_CRYSTAL_FREQ, NULL,
&ws->info.r600_clock_crystal_freq);
radeon_get_drm_value(ws->fd, RADEON_INFO_TILING_CONFIG, NULL,
&ws->info.r600_tiling_config);
if (ws->info.drm_minor >= 11) {
radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_TILE_PIPES, NULL,
&ws->info.r600_num_tile_pipes);
if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
&ws->info.r600_backend_map))
ws->info.r600_backend_map_valid = TRUE;
}
ws->info.r600_virtual_address = FALSE;
if (ws->info.drm_minor >= 13) {
ws->info.r600_virtual_address = TRUE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_VA_START, NULL,
&ws->info.r600_va_start))
ws->info.r600_virtual_address = FALSE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
&ws->info.r600_ib_vm_max_size))
ws->info.r600_virtual_address = FALSE;
}
/* Remove this line once the virtual address space feature is fixed. */
if (ws->gen == R600 && !debug_get_bool_option("RADEON_VA", FALSE))
ws->info.r600_virtual_address = FALSE;
}
/* Get max pipes, this is only needed for compute shaders. All evergreen+
* chips have at least 2 pipes, so we use 2 as a default. */
ws->info.r600_max_pipes = 2;
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_PIPES, NULL,
&ws->info.r600_max_pipes);
return TRUE;
}
/**
* DRI2
*/
static __DRIscreen *
dri2CreateNewScreen(int scrn, int fd, unsigned int sarea_handle,
const __DRIextension **extensions,
const __DRIconfig ***driver_configs, void *data)
{
#ifdef TTM_API
static const __DRIextension *emptyExtensionList[] = { NULL };
__DRIscreen *psp;
unsigned int *p;
drmVersionPtr version;
if (driDriverAPI.InitScreen2 == NULL)
return NULL;
psp = _mesa_malloc(sizeof(*psp));
if (!psp)
return NULL;
setupLoaderExtensions(psp, extensions);
version = drmGetVersion(fd);
if (version) {
psp->drm_version.major = version->version_major;
psp->drm_version.minor = version->version_minor;
psp->drm_version.patch = version->version_patchlevel;
drmFreeVersion(version);
}
psp->extensions = emptyExtensionList;
psp->fd = fd;
psp->myNum = scrn;
psp->dri2.enabled = GL_TRUE;
if (drmBOReference(psp->fd, sarea_handle, &psp->dri2.sareaBO)) {
fprintf(stderr, "Failed to reference DRI2 sarea BO\n");
_mesa_free(psp);
return NULL;
}
if (drmBOMap(psp->fd, &psp->dri2.sareaBO,
DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &psp->dri2.sarea)) {
drmBOUnreference(psp->fd, &psp->dri2.sareaBO);
_mesa_free(psp);
return NULL;
}
p = psp->dri2.sarea;
while (DRI2_SAREA_BLOCK_TYPE(*p)) {
switch (DRI2_SAREA_BLOCK_TYPE(*p)) {
case DRI2_SAREA_BLOCK_LOCK:
psp->dri2.lock = (__DRILock *) p;
break;
case DRI2_SAREA_BLOCK_EVENT_BUFFER:
psp->dri2.buffer = (__DRIEventBuffer *) p;
break;
}
p = DRI2_SAREA_BLOCK_NEXT(p);
}
psp->lock = (drmLock *) &psp->dri2.lock->lock;
psp->DriverAPI = driDriverAPI;
*driver_configs = driDriverAPI.InitScreen2(psp);
if (*driver_configs == NULL) {
drmBOUnmap(psp->fd, &psp->dri2.sareaBO);
drmBOUnreference(psp->fd, &psp->dri2.sareaBO);
_mesa_free(psp);
return NULL;
}
psp->DriverAPI = driDriverAPI;
return psp;
#else
return NULL;
#endif
}
boolean
vmw_ioctl_init(struct vmw_winsys_screen *vws)
{
struct drm_vmw_getparam_arg gp_arg;
struct drm_vmw_get_3d_cap_arg cap_arg;
unsigned int size;
int ret;
uint32_t *cap_buffer;
drmVersionPtr version;
boolean have_drm_2_5;
VMW_FUNC;
version = drmGetVersion(vws->ioctl.drm_fd);
if (!version)
goto out_no_version;
have_drm_2_5 = version->version_major > 2 ||
(version->version_major == 2 && version->version_minor > 4);
vws->ioctl.have_drm_2_6 = version->version_major > 2 ||
(version->version_major == 2 && version->version_minor > 5);
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_3D;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret || gp_arg.value == 0) {
vmw_error("No 3D enabled (%i, %s).\n", ret, strerror(-ret));
goto out_no_3d;
}
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_FIFO_HW_VERSION;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret) {
vmw_error("Failed to get fifo hw version (%i, %s).\n",
ret, strerror(-ret));
goto out_no_3d;
}
vws->ioctl.hwversion = gp_arg.value;
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_HW_CAPS;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret)
vws->base.have_gb_objects = FALSE;
else
vws->base.have_gb_objects =
!!(gp_arg.value & (uint64_t) SVGA_CAP_GBOBJECTS);
if (vws->base.have_gb_objects && !have_drm_2_5)
goto out_no_3d;
if (vws->base.have_gb_objects) {
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_3D_CAPS_SIZE;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret)
size = SVGA_FIFO_3D_CAPS_SIZE * sizeof(uint32_t);
else
size = gp_arg.value;
if (vws->base.have_gb_objects)
vws->ioctl.num_cap_3d = size / sizeof(uint32_t);
else
vws->ioctl.num_cap_3d = SVGA3D_DEVCAP_MAX;
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_MAX_MOB_MEMORY;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret) {
/* Just guess a large enough value. */
vws->ioctl.max_mob_memory = 256*1024*1024;
} else {
vws->ioctl.max_mob_memory = gp_arg.value;
}
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_MAX_MOB_SIZE;
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (ret || gp_arg.value == 0) {
vws->ioctl.max_texture_size = VMW_MAX_DEFAULT_TEXTURE_SIZE;
} else {
vws->ioctl.max_texture_size = gp_arg.value;
}
/* Never early flush surfaces, mobs do accounting. */
vws->ioctl.max_surface_memory = -1;
} else {
vws->ioctl.num_cap_3d = SVGA3D_DEVCAP_MAX;
memset(&gp_arg, 0, sizeof(gp_arg));
gp_arg.param = DRM_VMW_PARAM_MAX_SURF_MEMORY;
if (have_drm_2_5)
ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM,
&gp_arg, sizeof(gp_arg));
if (!have_drm_2_5 || ret) {
/* Just guess a large enough value, around 800mb. */
vws->ioctl.max_surface_memory = 0x30000000;
} else {
vws->ioctl.max_surface_memory = gp_arg.value;
}
vws->ioctl.max_texture_size = VMW_MAX_DEFAULT_TEXTURE_SIZE;
size = SVGA_FIFO_3D_CAPS_SIZE * sizeof(uint32_t);
}
cap_buffer = calloc(1, size);
if (!cap_buffer) {
debug_printf("Failed alloc fifo 3D caps buffer.\n");
goto out_no_3d;
}
vws->ioctl.cap_3d = calloc(vws->ioctl.num_cap_3d,
sizeof(*vws->ioctl.cap_3d));
if (!vws->ioctl.cap_3d) {
debug_printf("Failed alloc fifo 3D caps buffer.\n");
goto out_no_caparray;
}
memset(&cap_arg, 0, sizeof(cap_arg));
cap_arg.buffer = (uint64_t) (unsigned long) (cap_buffer);
cap_arg.max_size = size;
ret = drmCommandWrite(vws->ioctl.drm_fd, DRM_VMW_GET_3D_CAP,
&cap_arg, sizeof(cap_arg));
if (ret) {
debug_printf("Failed to get 3D capabilities"
" (%i, %s).\n", ret, strerror(-ret));
goto out_no_caps;
}
ret = vmw_ioctl_parse_caps(vws, cap_buffer);
if (ret) {
debug_printf("Failed to parse 3D capabilities"
" (%i, %s).\n", ret, strerror(-ret));
goto out_no_caps;
}
free(cap_buffer);
drmFreeVersion(version);
vmw_printf("%s OK\n", __FUNCTION__);
return TRUE;
out_no_caps:
free(vws->ioctl.cap_3d);
out_no_caparray:
free(cap_buffer);
out_no_3d:
drmFreeVersion(version);
out_no_version:
vws->ioctl.num_cap_3d = 0;
debug_printf("%s Failed\n", __FUNCTION__);
return FALSE;
}
/* Initialize the screen-specific data structures for the DRI and the
Rage 128. This is the main entry point to the device-specific
initialization code. It calls device-independent DRI functions to
create the DRI data structures and initialize the DRI state. */
static GLboolean R128DRIScreenInit(DRIDriverContext *ctx)
{
R128InfoPtr info = ctx->driverPrivate;
R128DRIPtr pR128DRI;
int err, major, minor, patch;
drmVersionPtr version;
drm_r128_sarea_t *pSAREAPriv;
switch (ctx->bpp) {
case 8:
/* These modes are not supported (yet). */
case 15:
case 24:
fprintf(stderr,
"[dri] R128DRIScreenInit failed (depth %d not supported). "
"[dri] Disabling DRI.\n", ctx->bpp);
return GL_FALSE;
/* Only 16 and 32 color depths are supports currently. */
case 16:
case 32:
break;
}
r128_drm_page_size = getpagesize();
info->registerSize = ctx->MMIOSize;
ctx->shared.SAREASize = SAREA_MAX;
/* Note that drmOpen will try to load the kernel module, if needed. */
ctx->drmFD = drmOpen("r128", NULL );
if (ctx->drmFD < 0) {
fprintf(stderr, "[drm] drmOpen failed\n");
return 0;
}
/* Check the r128 DRM version */
version = drmGetVersion(ctx->drmFD);
if (version) {
if (version->version_major != 2 ||
version->version_minor < 2) {
/* incompatible drm version */
fprintf(stderr,
"[dri] R128DRIScreenInit failed because of a version mismatch.\n"
"[dri] r128.o kernel module version is %d.%d.%d but version 2.2 or greater is needed.\n"
"[dri] Disabling the DRI.\n",
version->version_major,
version->version_minor,
version->version_patchlevel);
drmFreeVersion(version);
return GL_FALSE;
}
info->drmMinor = version->version_minor;
drmFreeVersion(version);
}
if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
ctx->drmFD, ctx->pciBusID, strerror(-err));
return 0;
}
if (drmAddMap( ctx->drmFD,
0,
ctx->shared.SAREASize,
DRM_SHM,
DRM_CONTAINS_LOCK,
&ctx->shared.hSAREA) < 0)
{
fprintf(stderr, "[drm] drmAddMap failed\n");
return 0;
}
fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
ctx->shared.SAREASize, ctx->shared.hSAREA);
if (drmMap( ctx->drmFD,
ctx->shared.hSAREA,
ctx->shared.SAREASize,
(drmAddressPtr)(&ctx->pSAREA)) < 0)
{
fprintf(stderr, "[drm] drmMap failed\n");
return 0;
}
memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
/* Need to AddMap the framebuffer and mmio regions here:
*/
if (drmAddMap( ctx->drmFD,
(drm_handle_t)ctx->FBStart,
ctx->FBSize,
DRM_FRAME_BUFFER,
0,
&ctx->shared.hFrameBuffer) < 0)
{
fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
return 0;
}
fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
ctx->shared.hFrameBuffer);
if (!R128MemoryInit(ctx))
return GL_FALSE;
/* Initialize AGP */
if (!info->IsPCI && !R128DRIAgpInit(ctx)) {
info->IsPCI = GL_TRUE;
fprintf(stderr,
"[agp] AGP failed to initialize -- falling back to PCI mode.\n");
fprintf(stderr,
"[agp] Make sure you have the agpgart kernel module loaded.\n");
}
/* Initialize PCIGART */
if (info->IsPCI && !R128DRIPciInit(ctx)) {
return GL_FALSE;
}
/* DRIScreenInit doesn't add all the
common mappings. Add additional
mappings here. */
if (!R128DRIMapInit(ctx)) {
return GL_FALSE;
}
/* Create a 'server' context so we can grab the lock for
* initialization ioctls.
*/
if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
return 0;
}
DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0);
/* Initialize the kernel data structures */
if (!R128DRIKernelInit(ctx)) {
return GL_FALSE;
}
/* Initialize the vertex buffers list */
if (!R128DRIBufInit(ctx)) {
return GL_FALSE;
}
/* Initialize IRQ */
R128DRIIrqInit(ctx);
/* Initialize and start the CCE if required */
R128DRICCEInit(ctx);
/* Quick hack to clear the front & back buffers. Could also use
* the clear ioctl to do this, but would need to setup hw state
* first.
*/
drimemsetio((char *)ctx->FBAddress + info->frontOffset,
0,
info->frontPitch * ctx->cpp * ctx->shared.virtualHeight );
drimemsetio((char *)ctx->FBAddress + info->backOffset,
0,
info->backPitch * ctx->cpp * ctx->shared.virtualHeight );
pSAREAPriv = (drm_r128_sarea_t *)(((char*)ctx->pSAREA) +
sizeof(drm_sarea_t));
memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
/* This is the struct passed to radeon_dri.so for its initialization */
ctx->driverClientMsg = malloc(sizeof(R128DRIRec));
ctx->driverClientMsgSize = sizeof(R128DRIRec);
pR128DRI = (R128DRIPtr)ctx->driverClientMsg;
pR128DRI->deviceID = info->Chipset;
pR128DRI->width = ctx->shared.virtualWidth;
pR128DRI->height = ctx->shared.virtualHeight;
pR128DRI->depth = ctx->bpp;
pR128DRI->bpp = ctx->bpp;
pR128DRI->IsPCI = info->IsPCI;
pR128DRI->AGPMode = info->agpMode;
pR128DRI->frontOffset = info->frontOffset;
pR128DRI->frontPitch = info->frontPitch;
pR128DRI->backOffset = info->backOffset;
pR128DRI->backPitch = info->backPitch;
pR128DRI->depthOffset = info->depthOffset;
pR128DRI->depthPitch = info->depthPitch;
pR128DRI->spanOffset = info->spanOffset;
pR128DRI->textureOffset = info->textureOffset;
pR128DRI->textureSize = info->textureSize;
pR128DRI->log2TexGran = info->log2TexGran;
pR128DRI->registerHandle = info->registerHandle;
pR128DRI->registerSize = info->registerSize;
pR128DRI->agpTexHandle = info->agpTexHandle;
pR128DRI->agpTexMapSize = info->agpTexMapSize;
pR128DRI->log2AGPTexGran = info->log2AGPTexGran;
pR128DRI->agpTexOffset = info->agpTexStart;
pR128DRI->sarea_priv_offset = sizeof(drm_sarea_t);
return GL_TRUE;
}
static EGLBoolean
droid_get_pci_id(int fd, int *vendor_id, int *chip_id)
{
drmVersionPtr version;
*chip_id = -1;
version = drmGetVersion(fd);
if (!version) {
_eglLog(_EGL_WARNING, "invalid drm fd");
return EGL_FALSE;
}
if (!version->name) {
_eglLog(_EGL_WARNING, "unable to determine the driver name");
drmFreeVersion(version);
return EGL_FALSE;
}
if (strcmp(version->name, "i915") == 0) {
struct drm_i915_getparam gp;
int ret;
*vendor_id = 0x8086;
memset(&gp, 0, sizeof(gp));
gp.param = I915_PARAM_CHIPSET_ID;
gp.value = chip_id;
ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
if (ret) {
_eglLog(_EGL_WARNING, "failed to get param for i915");
*chip_id = -1;
}
}
else if (strcmp(version->name, "radeon") == 0) {
struct drm_radeon_info info;
int ret;
*vendor_id = 0x1002;
memset(&info, 0, sizeof(info));
info.request = RADEON_INFO_DEVICE_ID;
info.value = (unsigned long) chip_id;
ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
if (ret) {
_eglLog(_EGL_WARNING, "failed to get info for radeon");
*chip_id = -1;
}
}
else if (strcmp(version->name, "nouveau") == 0) {
*vendor_id = 0x10de;
/* not used */
*chip_id = 0;
}
else if (strcmp(version->name, "vmwgfx") == 0) {
*vendor_id = 0x15ad;
/* assume SVGA II */
*chip_id = 0x0405;
}
drmFreeVersion(version);
return (*chip_id >= 0);
}
/* Helper function to do the ioctls needed for setup and init. */
static boolean do_winsys_init(struct radeon_drm_winsys *ws)
{
struct drm_radeon_gem_info gem_info;
int retval;
drmVersionPtr version;
memset(&gem_info, 0, sizeof(gem_info));
/* We do things in a specific order here.
*
* DRM version first. We need to be sure we're running on a KMS chipset.
* This is also for some features.
*
* Then, the PCI ID. This is essential and should return usable numbers
* for all Radeons. If this fails, we probably got handed an FD for some
* non-Radeon card.
*
* The GEM info is actually bogus on the kernel side, as well as our side
* (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because
* we don't actually use the info for anything yet.
*
* The GB and Z pipe requests should always succeed, but they might not
* return sensical values for all chipsets, but that's alright because
* the pipe drivers already know that.
*/
/* Get DRM version. */
version = drmGetVersion(ws->fd);
if (version->version_major != 2 ||
version->version_minor < 3) {
fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is "
"only compatible with 2.3.x (kernel 2.6.34) or later.\n",
__FUNCTION__,
version->version_major,
version->version_minor,
version->version_patchlevel);
drmFreeVersion(version);
return FALSE;
}
ws->info.drm_major = version->version_major;
ws->info.drm_minor = version->version_minor;
ws->info.drm_patchlevel = version->version_patchlevel;
drmFreeVersion(version);
/* Get PCI ID. */
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_DEVICE_ID, "PCI ID",
&ws->info.pci_id))
return FALSE;
/* Check PCI ID. */
switch (ws->info.pci_id) {
#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R300; break;
#include "pci_ids/r300_pci_ids.h"
#undef CHIPSET
#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_R600; break;
#include "pci_ids/r600_pci_ids.h"
#undef CHIPSET
#define CHIPSET(pci_id, name, cfamily) case pci_id: ws->info.family = CHIP_##cfamily; ws->gen = DRV_SI; break;
#include "pci_ids/radeonsi_pci_ids.h"
#undef CHIPSET
default:
fprintf(stderr, "radeon: Invalid PCI ID.\n");
return FALSE;
}
switch (ws->info.family) {
default:
case CHIP_UNKNOWN:
fprintf(stderr, "radeon: Unknown family.\n");
return FALSE;
case CHIP_R300:
case CHIP_R350:
case CHIP_RV350:
case CHIP_RV370:
case CHIP_RV380:
case CHIP_RS400:
case CHIP_RC410:
case CHIP_RS480:
ws->info.chip_class = R300;
break;
case CHIP_R420: /* R4xx-based cores. */
case CHIP_R423:
case CHIP_R430:
case CHIP_R480:
case CHIP_R481:
case CHIP_RV410:
case CHIP_RS600:
case CHIP_RS690:
case CHIP_RS740:
ws->info.chip_class = R400;
break;
case CHIP_RV515: /* R5xx-based cores. */
case CHIP_R520:
case CHIP_RV530:
case CHIP_R580:
case CHIP_RV560:
case CHIP_RV570:
ws->info.chip_class = R500;
break;
case CHIP_R600:
case CHIP_RV610:
case CHIP_RV630:
case CHIP_RV670:
case CHIP_RV620:
case CHIP_RV635:
case CHIP_RS780:
case CHIP_RS880:
ws->info.chip_class = R600;
break;
case CHIP_RV770:
case CHIP_RV730:
case CHIP_RV710:
case CHIP_RV740:
ws->info.chip_class = R700;
break;
case CHIP_CEDAR:
case CHIP_REDWOOD:
case CHIP_JUNIPER:
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
case CHIP_PALM:
case CHIP_SUMO:
case CHIP_SUMO2:
case CHIP_BARTS:
case CHIP_TURKS:
case CHIP_CAICOS:
ws->info.chip_class = EVERGREEN;
break;
case CHIP_CAYMAN:
case CHIP_ARUBA:
ws->info.chip_class = CAYMAN;
break;
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_VERDE:
case CHIP_OLAND:
case CHIP_HAINAN:
ws->info.chip_class = SI;
break;
case CHIP_BONAIRE:
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_HAWAII:
case CHIP_MULLINS:
ws->info.chip_class = CIK;
break;
}
/* Check for dma */
ws->info.r600_has_dma = FALSE;
/* DMA is disabled on R700. There is IB corruption and hangs. */
if (ws->info.chip_class >= EVERGREEN && ws->info.drm_minor >= 27) {
ws->info.r600_has_dma = TRUE;
}
/* Check for UVD and VCE */
ws->info.has_uvd = FALSE;
ws->info.vce_fw_version = 0x00000000;
if (ws->info.drm_minor >= 32) {
uint32_t value = RADEON_CS_RING_UVD;
if (radeon_get_drm_value(ws->fd, RADEON_INFO_RING_WORKING,
"UVD Ring working", &value))
ws->info.has_uvd = value;
value = RADEON_CS_RING_VCE;
if (radeon_get_drm_value(ws->fd, RADEON_INFO_RING_WORKING,
NULL, &value) && value) {
if (radeon_get_drm_value(ws->fd, RADEON_INFO_VCE_FW_VERSION,
"VCE FW version", &value))
ws->info.vce_fw_version = value;
}
}
/* Check for userptr support. */
{
struct drm_radeon_gem_userptr args = {0};
/* If the ioctl doesn't exist, -EINVAL is returned.
*
* If the ioctl exists, it should return -EACCES
* if RADEON_GEM_USERPTR_READONLY or RADEON_GEM_USERPTR_REGISTER
* aren't set.
*/
ws->info.has_userptr =
drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_USERPTR,
&args, sizeof(args)) == -EACCES;
}
/* Get GEM info. */
retval = drmCommandWriteRead(ws->fd, DRM_RADEON_GEM_INFO,
&gem_info, sizeof(gem_info));
if (retval) {
fprintf(stderr, "radeon: Failed to get MM info, error number %d\n",
retval);
return FALSE;
}
ws->info.gart_size = gem_info.gart_size;
ws->info.vram_size = gem_info.vram_size;
/* Get max clock frequency info and convert it to MHz */
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SCLK, NULL,
&ws->info.max_sclk);
ws->info.max_sclk /= 1000;
radeon_get_drm_value(ws->fd, RADEON_INFO_SI_BACKEND_ENABLED_MASK, NULL,
&ws->info.si_backend_enabled_mask);
ws->num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
/* Generation-specific queries. */
if (ws->gen == DRV_R300) {
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_GB_PIPES,
"GB pipe count",
&ws->info.r300_num_gb_pipes))
return FALSE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_Z_PIPES,
"Z pipe count",
&ws->info.r300_num_z_pipes))
return FALSE;
}
else if (ws->gen >= DRV_R600) {
if (ws->info.drm_minor >= 9 &&
!radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_BACKENDS,
"num backends",
&ws->info.r600_num_backends))
return FALSE;
/* get the GPU counter frequency, failure is not fatal */
radeon_get_drm_value(ws->fd, RADEON_INFO_CLOCK_CRYSTAL_FREQ, NULL,
&ws->info.r600_clock_crystal_freq);
radeon_get_drm_value(ws->fd, RADEON_INFO_TILING_CONFIG, NULL,
&ws->info.r600_tiling_config);
if (ws->info.drm_minor >= 11) {
radeon_get_drm_value(ws->fd, RADEON_INFO_NUM_TILE_PIPES, NULL,
&ws->info.r600_num_tile_pipes);
if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
&ws->info.r600_backend_map))
ws->info.r600_backend_map_valid = TRUE;
}
ws->info.r600_virtual_address = FALSE;
if (ws->info.drm_minor >= 13) {
uint32_t ib_vm_max_size;
ws->info.r600_virtual_address = TRUE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_VA_START, NULL,
&ws->va_start))
ws->info.r600_virtual_address = FALSE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
&ib_vm_max_size))
ws->info.r600_virtual_address = FALSE;
radeon_get_drm_value(ws->fd, RADEON_INFO_VA_UNMAP_WORKING, NULL,
&ws->va_unmap_working);
}
if (ws->gen == DRV_R600 && !debug_get_bool_option("RADEON_VA", FALSE))
ws->info.r600_virtual_address = FALSE;
}
/* Get max pipes, this is only needed for compute shaders. All evergreen+
* chips have at least 2 pipes, so we use 2 as a default. */
ws->info.r600_max_pipes = 2;
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_PIPES, NULL,
&ws->info.r600_max_pipes);
/* All GPUs have at least one compute unit */
ws->info.max_compute_units = 1;
radeon_get_drm_value(ws->fd, RADEON_INFO_ACTIVE_CU_COUNT, NULL,
&ws->info.max_compute_units);
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SE, NULL,
&ws->info.max_se);
if (!ws->info.max_se) {
switch (ws->info.family) {
default:
ws->info.max_se = 1;
break;
case CHIP_CYPRESS:
case CHIP_HEMLOCK:
case CHIP_BARTS:
case CHIP_CAYMAN:
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_BONAIRE:
ws->info.max_se = 2;
break;
case CHIP_HAWAII:
ws->info.max_se = 4;
break;
}
}
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SH_PER_SE, NULL,
&ws->info.max_sh_per_se);
radeon_get_drm_value(ws->fd, RADEON_INFO_ACCEL_WORKING2, NULL,
&ws->accel_working2);
if (ws->info.family == CHIP_HAWAII && ws->accel_working2 < 2) {
fprintf(stderr, "radeon: GPU acceleration for Hawaii disabled, "
"returned accel_working2 value %u is smaller than 2. "
"Please install a newer kernel.\n",
ws->accel_working2);
return FALSE;
}
if (radeon_get_drm_value(ws->fd, RADEON_INFO_SI_TILE_MODE_ARRAY, NULL,
ws->info.si_tile_mode_array)) {
ws->info.si_tile_mode_array_valid = TRUE;
}
if (radeon_get_drm_value(ws->fd, RADEON_INFO_CIK_MACROTILE_MODE_ARRAY, NULL,
ws->info.cik_macrotile_mode_array)) {
ws->info.cik_macrotile_mode_array_valid = TRUE;
}
return TRUE;
}
int main(int argc, char **argv)
{
int fd, newlyopened;
drmVersionPtr retval;
char *busid;
//drmDevicePtr dev;
//*
fd = drmOpen(NULL, "pci:0000:01:00.0");
assert(fd >= 0);
retval = drmGetVersion(fd);
printf("name=%s\n", retval->name);
drmFreeVersion(retval);
busid = drmGetBusid(fd);
printf("busid=%s\n", busid);
drmFreeBusid(busid);
/*
assert(!drmGetDevice(fd, &dev));
printf("pci:%04x:%02x:%02x.%d\n",
dev->businfo.pci->domain,
dev->businfo.pci->bus,
dev->businfo.pci->dev,
dev->businfo.pci->func);
*/
drmClose(fd);
//*/
fd = drmOpenOnceWithType("pci:0000:01:00.0", &newlyopened, DRM_NODE_PRIMARY);
//fd = open("/dev/dri/card0", O_RDWR);
assert(fd >= 0);
retval = drmGetVersion(fd);
printf("name=%s\n", retval->name);
drmFreeVersion(retval);
busid = drmGetBusid(fd);
printf("busid=%s\n", busid);
drmFreeBusid(busid);
/*
assert(!drmGetDevice(fd, &dev));
printf("pci:%04x:%02x:%02x.%d\n",
dev->businfo.pci->domain,
dev->businfo.pci->bus,
dev->businfo.pci->dev,
dev->businfo.pci->func);
*/
drmClose(fd);
/*
drmDevicePtr devs[16];
int num = drmGetDevices(devs, 16);
assert(num >= 0);
int i;
for (i = 0; i < num; i++) {
printf("pci:%04x:%02x:%02x.%d\n",
devs[i]->businfo.pci->domain,
devs[i]->businfo.pci->bus,
devs[i]->businfo.pci->dev,
devs[i]->businfo.pci->func);
}
*/
/*
struct dirent *dent;
struct stat sbuf;
DIR *sysdir;
sysdir = opendir("/dev/dri");
assert(sysdir);
while ((dent = readdir(sysdir))) {
char node[1024];
snprintf(node, 1024, "/dev/dri/%s", dent->d_name);
if (stat(node, &sbuf))
continue;
printf("path=%s, dev=%x rdev=%x maj=%d min=%d\n", node, sbuf.st_dev, sbuf.st_rdev, major(sbuf.st_rdev), minor(sbuf.st_rdev));
}
*/
fd = open("/dev/dri/card0", O_RDWR);
assert(fd >= 0);
char *path = drmGetDeviceNameFromFd(fd);
assert(path != NULL);
printf("get path = %s\n", path);
return 0;
}