static int intelfb_create(struct intel_fbdev *ifbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct drm_device *dev = ifbdev->helper.dev;
#if 0
struct drm_i915_private *dev_priv = dev->dev_private;
#endif
struct fb_info *info;
struct drm_framebuffer *fb;
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_i915_gem_object *obj;
int size, ret;
/* we don't do packed 24bpp */
if (sizes->surface_bpp == 24)
sizes->surface_bpp = 32;
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) /
8), 64);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
size = mode_cmd.pitches[0] * mode_cmd.height;
size = roundup2(size, PAGE_SIZE);
obj = i915_gem_alloc_object(dev, size);
if (!obj) {
DRM_ERROR("failed to allocate framebuffer\n");
ret = -ENOMEM;
goto out;
}
DRM_LOCK(dev);
/* Flush everything out, we'll be doing GTT only from now on */
ret = intel_pin_and_fence_fb_obj(dev, obj, false);
if (ret) {
DRM_ERROR("failed to pin fb: %d\n", ret);
goto out_unref;
}
#if 0
info = framebuffer_alloc(0, device);
if (!info) {
ret = -ENOMEM;
goto out_unpin;
}
info->par = ifbdev;
#else
info = malloc(sizeof(struct fb_info), DRM_MEM_KMS, M_WAITOK | M_ZERO);
info->fb_size = size;
info->fb_bpp = sizes->surface_bpp;
info->fb_width = sizes->fb_width;
info->fb_height = sizes->fb_height;
info->fb_pbase = dev->agp->base + obj->gtt_offset;
info->fb_vbase = (vm_offset_t)pmap_mapdev_attr(info->fb_pbase, size,
PAT_WRITE_COMBINING);
#endif
ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
if (ret)
goto out_unpin;
fb = &ifbdev->ifb.base;
ifbdev->helper.fb = fb;
ifbdev->helper.fbdev = info;
#if 0
strcpy(info->fix.id, "inteldrmfb");
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &intelfb_ops;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
ret = -ENOMEM;
goto out_unpin;
}
/* setup aperture base/size for vesafb takeover */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
goto out_unpin;
}
info->apertures->ranges[0].base = dev->mode_config.fb_base;
info->apertures->ranges[0].size =
dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
info->fix.smem_len = size;
info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
if (!info->screen_base) {
ret = -ENOSPC;
goto out_unpin;
}
info->screen_size = size;
// memset(info->screen_base, 0, size);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
#endif
DRM_DEBUG_KMS("allocated %dx%d (s %dbits) fb: 0x%08x, bo %p\n",
fb->width, fb->height, fb->depth,
obj->gtt_offset, obj);
DRM_UNLOCK(dev);
#if 1
KIB_NOTYET();
#else
vga_switcheroo_client_fb_set(dev->pdev, info);
#endif
return 0;
out_unpin:
i915_gem_object_unpin(obj);
out_unref:
drm_gem_object_unreference(&obj->base);
DRM_UNLOCK(dev);
out:
return ret;
}
int
getDRIDrawableInfoLocked(void *drawHash, Display *display, int screen, Drawable draw,
unsigned lockFlags, int drmFD, drm_context_t drmContext,
drmAddress sarea, Bool updateInfo, drawableInfo **info,
unsigned long infoSize)
{
drawableInfo *drawInfo;
void *res;
drm_drawable_t drmDraw=0;
volatile drm_sarea_t *pSarea = (drm_sarea_t *) sarea;
drm_clip_rect_t *clipFront, *clipBack;
int ret;
if (drmHashLookup(drawHash, (unsigned long) draw, &res)) {
/*
* The drawable is unknown to us. Create it and put it in the
* hash table.
*/
DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
if (!uniDRICreateDrawable(display, screen, draw,
&drmDraw)) {
DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
return 1;
}
DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
drawInfo = (drawableInfo *) malloc(infoSize);
if (!drawInfo) return 1;
drawInfo->drmDraw = drmDraw;
drawInfo->stamp = 0;
drawInfo->clipFront = 0;
drawInfo->clipBack = 0;
drmHashInsert( drawHash, (unsigned long) draw, drawInfo);
} else {
drawInfo = res;
}
drawInfo->touched = FALSE;
while (!drawInfo->clipFront || drawInfo->stamp != drawStamp(pSarea, drawInfo->index)) {
/*
* The drawable has been touched since we last got info about it.
* obtain new info from the X server.
*/
drawInfo->touched = TRUE;
if (updateInfo || !drawInfo->clipFront) {
DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
ret = uniDRIGetDrawableInfo(display, screen, draw,
&drawInfo->index, &drawInfo->stamp, &drawInfo->x,
&drawInfo->y, &drawInfo->w, &drawInfo->h,
&drawInfo->numClipFront, &clipFront,
&drawInfo->backX, &drawInfo->backY,
&drawInfo->numClipBack, &clipBack);
DRM_LIGHT_LOCK(drmFD, &pSarea->lock, drmContext);
/*
* Error. Probably the drawable is destroyed. Return error and old values.
*/
if (!ret) {
free(drawInfo);
drawInfo = NULL;
drmHashDelete(drawHash, (unsigned long) draw);
DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
uniDRIDestroyDrawable( display, screen, draw);
DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
return 1;
}
if (drawInfo->stamp != drawStamp(pSarea, drawInfo->index)) {
/*
* The info is already outdated. Sigh. Have another go.
*/
XFree(clipFront);
XFree(clipBack);
continue;
}
if (drawInfo->clipFront) XFree(drawInfo->clipFront);
drawInfo->clipFront = clipFront;
if (drawInfo->clipBack) XFree(drawInfo->clipBack);
drawInfo->clipBack = clipBack;
} else {
if (!drawInfo->clipFront) drawInfo->clipFront = (drm_clip_rect_t *) ~0UL;
drawInfo->stamp = drawStamp(pSarea, drawInfo->index);
}
}
*info = drawInfo;
return 0;
}
/**
* i915_reset - reset chip after a hang
* @dev: drm device to reset
*
* Reset the chip. Useful if a hang is detected. Returns zero on successful
* reset or otherwise an error code.
*
* Procedure is fairly simple:
* - reset the chip using the reset reg
* - re-init context state
* - re-init hardware status page
* - re-init ring buffer
* - re-init interrupt state
* - re-init display
*/
int i915_reset(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
if (!i915_try_reset)
return 0;
DRM_LOCK(dev);
i915_gem_reset(dev);
ret = -ENODEV;
if (time_uptime - dev_priv->last_gpu_reset < 5)
DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
else
ret = intel_gpu_reset(dev);
dev_priv->last_gpu_reset = time_uptime;
if (ret) {
DRM_ERROR("Failed to reset chip.\n");
DRM_UNLOCK(dev);
return ret;
}
/* Ok, now get things going again... */
/*
* Everything depends on having the GTT running, so we need to start
* there. Fortunately we don't need to do this unless we reset the
* chip at a PCI level.
*
* Next we need to restore the context, but we don't use those
* yet either...
*
* Ring buffer needs to be re-initialized in the KMS case, or if X
* was running at the time of the reset (i.e. we weren't VT
* switched away).
*/
if (drm_core_check_feature(dev, DRIVER_MODESET) ||
!dev_priv->mm.suspended) {
struct intel_ring_buffer *ring;
int i;
dev_priv->mm.suspended = 0;
i915_gem_init_swizzling(dev);
for_each_ring(ring, dev_priv, i)
ring->init(ring);
#if 0 /* XXX: HW context support */
i915_gem_context_init(dev);
#endif
i915_gem_init_ppgtt(dev);
/*
* It would make sense to re-init all the other hw state, at
* least the rps/rc6/emon init done within modeset_init_hw. For
* some unknown reason, this blows up my ilk, so don't.
*/
DRM_UNLOCK(dev);
drm_irq_uninstall(dev);
drm_irq_install(dev);
} else {
DRM_UNLOCK(dev);
}
return 0;
}
int
__driParseEvents(__DRIcontextPrivate *pcp, __DRIdrawablePrivate *pdp)
{
__DRIscreenPrivate *psp = pdp->driScreenPriv;
__DRIDrawableConfigEvent *dc, *last_dc;
__DRIBufferAttachEvent *ba, *last_ba;
unsigned int tail, mask, *p, end, total, size, changed;
unsigned char *data;
size_t rect_size;
/* Check for wraparound. */
if (pcp && psp->dri2.buffer->prealloc - pdp->dri2.tail > psp->dri2.buffer->size) {
/* If prealloc overlaps into what we just parsed, the
* server overwrote it and we have to reset our tail
* pointer. */
DRM_UNLOCK(psp->fd, psp->lock, pcp->hHWContext);
(*psp->dri2.loader->reemitDrawableInfo)(pdp, &pdp->dri2.tail,
pdp->loaderPrivate);
DRM_LIGHT_LOCK(psp->fd, psp->lock, pcp->hHWContext);
}
total = psp->dri2.buffer->head - pdp->dri2.tail;
mask = psp->dri2.buffer->size - 1;
end = psp->dri2.buffer->head;
data = psp->dri2.buffer->data;
changed = 0;
last_dc = NULL;
last_ba = NULL;
for (tail = pdp->dri2.tail; tail != end; tail += size) {
p = (unsigned int *) (data + (tail & mask));
size = DRI2_EVENT_SIZE(*p);
if (size > total || (tail & mask) + size > psp->dri2.buffer->size) {
/* illegal data, bail out. */
fprintf(stderr, "illegal event size\n");
break;
}
switch (DRI2_EVENT_TYPE(*p)) {
case DRI2_EVENT_DRAWABLE_CONFIG:
dc = (__DRIDrawableConfigEvent *) p;
if (dc->drawable == pdp->dri2.drawable_id)
last_dc = dc;
break;
case DRI2_EVENT_BUFFER_ATTACH:
ba = (__DRIBufferAttachEvent *) p;
if (ba->drawable == pdp->dri2.drawable_id &&
ba->buffer.attachment == DRI_DRAWABLE_BUFFER_FRONT_LEFT)
last_ba = ba;
break;
}
}
if (last_dc) {
if (pdp->w != last_dc->width || pdp->h != last_dc->height)
changed = 1;
pdp->x = last_dc->x;
pdp->y = last_dc->y;
pdp->w = last_dc->width;
pdp->h = last_dc->height;
pdp->backX = 0;
pdp->backY = 0;
pdp->numBackClipRects = 1;
pdp->pBackClipRects[0].x1 = 0;
pdp->pBackClipRects[0].y1 = 0;
pdp->pBackClipRects[0].x2 = pdp->w;
pdp->pBackClipRects[0].y2 = pdp->h;
pdp->numClipRects = last_dc->num_rects;
_mesa_free(pdp->pClipRects);
rect_size = last_dc->num_rects * sizeof last_dc->rects[0];
pdp->pClipRects = _mesa_malloc(rect_size);
memcpy(pdp->pClipRects, last_dc->rects, rect_size);
}
/* We only care about the most recent drawable config. */
if (last_dc && changed)
(*psp->DriverAPI.HandleDrawableConfig)(pdp, pcp, last_dc);
/* Front buffer attachments are special, they typically mean that
* we're rendering to a redirected window (or a child window of a
* redirected window) and that it got resized. Resizing the root
* window on randr events is a special case of this. Other causes
* may be a window transitioning between redirected and
* non-redirected, or a window getting reparented between parents
* with different window pixmaps (eg two redirected windows).
* These events are special in that the X server allocates the
* buffer and that the buffer may be shared by other child
* windows. When our window share the window pixmap with its
* parent, drawable config events doesn't affect the front buffer.
* We only care about the last such event in the buffer; in fact,
* older events will refer to invalid buffer objects.*/
if (last_ba)
(*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, last_ba);
/* If there was a drawable config event in the buffer and it
* changed the size of the window, all buffer auxiliary buffer
* attachments prior to that are invalid (as opposed to the front
* buffer case discussed above). In that case we can start
* looking for buffer attachment after the last drawable config
* event. If there is no drawable config event in this batch of
* events, we have to assume that the last batch might have had
* one and process all buffer attach events.*/
if (last_dc && changed)
tail = (unsigned char *) last_dc - data;
else
tail = pdp->dri2.tail;
for ( ; tail != end; tail += size) {
ba = (__DRIBufferAttachEvent *) (data + (tail & mask));
size = DRI2_EVENT_SIZE(ba->event_header);
if (DRI2_EVENT_TYPE(ba->event_header) != DRI2_EVENT_BUFFER_ATTACH)
continue;
if (ba->drawable != pdp->dri2.drawable_id)
continue;
if (last_ba == ba)
continue;
(*psp->DriverAPI.HandleBufferAttach)(pdp, pcp, ba);
changed = 1;
}
pdp->dri2.tail = tail;
return changed || last_ba;
}
/**
* Sets the tiling mode of an object, returning the required swizzling of
* bit 6 of addresses in the object.
*/
int
i915_gem_set_tiling(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_gem_set_tiling *args = data;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
int ret = 0;
obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
if (&obj->base == NULL)
return -ENOENT;
if (!i915_tiling_ok(dev,
args->stride, obj->base.size, args->tiling_mode)) {
drm_gem_object_unreference_unlocked(&obj->base);
return -EINVAL;
}
if (obj->pin_count) {
drm_gem_object_unreference_unlocked(&obj->base);
return -EBUSY;
}
if (args->tiling_mode == I915_TILING_NONE) {
args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
args->stride = 0;
} else {
if (args->tiling_mode == I915_TILING_X)
args->swizzle_mode = dev_priv->mm.bit_6_swizzle_x;
else
args->swizzle_mode = dev_priv->mm.bit_6_swizzle_y;
/* Hide bit 17 swizzling from the user. This prevents old Mesa
* from aborting the application on sw fallbacks to bit 17,
* and we use the pread/pwrite bit17 paths to swizzle for it.
* If there was a user that was relying on the swizzle
* information for drm_intel_bo_map()ed reads/writes this would
* break it, but we don't have any of those.
*/
if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_17)
args->swizzle_mode = I915_BIT_6_SWIZZLE_9;
if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_10_17)
args->swizzle_mode = I915_BIT_6_SWIZZLE_9_10;
/* If we can't handle the swizzling, make it untiled. */
if (args->swizzle_mode == I915_BIT_6_SWIZZLE_UNKNOWN) {
args->tiling_mode = I915_TILING_NONE;
args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
args->stride = 0;
}
}
DRM_LOCK(dev);
if (args->tiling_mode != obj->tiling_mode ||
args->stride != obj->stride) {
/* We need to rebind the object if its current allocation
* no longer meets the alignment restrictions for its new
* tiling mode. Otherwise we can just leave it alone, but
* need to ensure that any fence register is cleared.
*
* After updating the tiling parameters, we then flag whether
* we need to update an associated fence register. Note this
* has to also include the unfenced register the GPU uses
* whilst executing a fenced command for an untiled object.
*/
i915_gem_release_mmap(obj);
obj->map_and_fenceable =
obj->gtt_space == NULL ||
(obj->gtt_offset + obj->base.size <= dev_priv->mm.gtt_mappable_end &&
i915_gem_object_fence_ok(obj, args->tiling_mode));
/* Rebind if we need a change of alignment */
if (!obj->map_and_fenceable) {
u32 unfenced_alignment =
i915_gem_get_unfenced_gtt_alignment(dev,
obj->base.size,
args->tiling_mode);
if (obj->gtt_offset & (unfenced_alignment - 1))
ret = i915_gem_object_unbind(obj);
}
if (ret == 0) {
obj->fence_dirty =
obj->fenced_gpu_access ||
obj->fence_reg != I915_FENCE_REG_NONE;
obj->tiling_mode = args->tiling_mode;
obj->stride = args->stride;
}
}
/* we have to maintain this existing ABI... */
args->stride = obj->stride;
args->tiling_mode = obj->tiling_mode;
drm_gem_object_unreference(&obj->base);
DRM_UNLOCK(dev);
return ret;
}
int main(int argc, char **argv)
{
int c;
int r = 0;
int fd = -1;
drm_handle_t handle;
void *address;
char *pt;
unsigned long count;
unsigned long offset;
unsigned long size;
drm_context_t context;
int loops;
char buf[1024];
int i;
drmBufInfoPtr info;
drmBufMapPtr bufs;
drmLockPtr lock;
int secs;
while ((c = getopt(argc, argv,
"lc:vo:O:f:s:w:W:b:r:R:P:L:C:XS:B:F:")) != EOF)
switch (c) {
case 'F':
count = strtoul(optarg, NULL, 0);
if (!fork()) {
dup(fd);
sleep(count);
}
close(fd);
break;
case 'v': getversion(fd); break;
case 'X':
if ((r = drmCreateContext(fd, &context))) {
drmError(r, argv[0]);
return 1;
}
printf( "Got %d\n", context);
break;
case 'S':
process_sigio(optarg);
break;
case 'C':
if ((r = drmSwitchToContext(fd, strtoul(optarg, NULL, 0)))) {
drmError(r, argv[0]);
return 1;
}
break;
case 'c':
if ((r = drmSetBusid(fd,optarg))) {
drmError(r, argv[0]);
return 1;
}
break;
case 'o':
if ((fd = drmOpen(optarg, NULL)) < 0) {
drmError(fd, argv[0]);
return 1;
}
break;
case 'O':
if ((fd = drmOpen(NULL, optarg)) < 0) {
drmError(fd, argv[0]);
return 1;
}
break;
case 'B': /* Test buffer allocation */
count = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, &pt, 0);
secs = strtoul(pt+1, NULL, 0);
{
drmDMAReq dma;
int *indices, *sizes;
indices = alloca(sizeof(*indices) * count);
sizes = alloca(sizeof(*sizes) * count);
dma.context = context;
dma.send_count = 0;
dma.request_count = count;
dma.request_size = size;
dma.request_list = indices;
dma.request_sizes = sizes;
dma.flags = DRM_DMA_WAIT;
if ((r = drmDMA(fd, &dma))) {
drmError(r, argv[0]);
return 1;
}
for (i = 0; i < dma.granted_count; i++) {
printf("%5d: index = %d, size = %d\n",
i, dma.request_list[i], dma.request_sizes[i]);
}
sleep(secs);
drmFreeBufs(fd, dma.granted_count, indices);
}
break;
case 'b':
count = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, NULL, 0);
if ((r = drmAddBufs(fd, count, size, 0, 65536)) < 0) {
drmError(r, argv[0]);
return 1;
}
if (!(info = drmGetBufInfo(fd))) {
drmError(0, argv[0]);
return 1;
}
for (i = 0; i < info->count; i++) {
printf("%5d buffers of size %6d (low = %d, high = %d)\n",
info->list[i].count,
info->list[i].size,
info->list[i].low_mark,
info->list[i].high_mark);
}
if ((r = drmMarkBufs(fd, 0.50, 0.80))) {
drmError(r, argv[0]);
return 1;
}
if (!(info = drmGetBufInfo(fd))) {
drmError(0, argv[0]);
return 1;
}
for (i = 0; i < info->count; i++) {
printf("%5d buffers of size %6d (low = %d, high = %d)\n",
info->list[i].count,
info->list[i].size,
info->list[i].low_mark,
info->list[i].high_mark);
}
printf("===== /proc/dri/0/mem =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/mem");
system(buf);
#if 1
if (!(bufs = drmMapBufs(fd))) {
drmError(0, argv[0]);
return 1;
}
printf("===============================\n");
printf( "%d bufs\n", bufs->count);
for (i = 0; i < bufs->count; i++) {
printf( " %4d: %8d bytes at %p\n",
i,
bufs->list[i].total,
bufs->list[i].address);
}
printf("===== /proc/dri/0/vma =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vma");
system(buf);
#endif
break;
case 'f':
offset = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, NULL, 0);
handle = 0;
if ((r = drmAddMap(fd, offset, size,
DRM_FRAME_BUFFER, 0, &handle))) {
drmError(r, argv[0]);
return 1;
}
printf("0x%08lx:0x%04lx added\n", offset, size);
printf("===== /proc/dri/0/mem =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/mem");
system(buf);
break;
case 'r':
case 'R':
offset = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, NULL, 0);
handle = 0;
if ((r = drmAddMap(fd, offset, size,
DRM_REGISTERS,
c == 'R' ? DRM_READ_ONLY : 0,
&handle))) {
drmError(r, argv[0]);
return 1;
}
printf("0x%08lx:0x%04lx added\n", offset, size);
printf("===== /proc/dri/0/mem =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/mem");
system(buf);
break;
case 's':
size = strtoul(optarg, &pt, 0);
handle = 0;
if ((r = drmAddMap(fd, 0, size,
DRM_SHM, DRM_CONTAINS_LOCK,
&handle))) {
drmError(r, argv[0]);
return 1;
}
printf("0x%04lx byte shm added at 0x%08lx\n", size, handle);
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vm");
system(buf);
break;
case 'P':
offset = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, NULL, 0);
address = NULL;
if ((r = drmMap(fd, offset, size, &address))) {
drmError(r, argv[0]);
return 1;
}
printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
offset, size, address, getpid());
printf("===== /proc/dri/0/vma =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vma");
system(buf);
mprotect((void *)offset, size, PROT_READ);
printf("===== /proc/dri/0/vma =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vma");
system(buf);
break;
case 'w':
case 'W':
offset = strtoul(optarg, &pt, 0);
size = strtoul(pt+1, NULL, 0);
address = NULL;
if ((r = drmMap(fd, offset, size, &address))) {
drmError(r, argv[0]);
return 1;
}
printf("0x%08lx:0x%04lx mapped at %p for pid %d\n",
offset, size, address, getpid());
printf("===== /proc/%d/maps =====\n", getpid());
snprintf(buf, sizeof(buf), "cat /proc/%d/maps", getpid());
system(buf);
printf("===== /proc/dri/0/mem =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/mem");
system(buf);
printf("===== /proc/dri/0/vma =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vma");
system(buf);
printf("===== READING =====\n");
for (i = 0; i < 0x10; i++)
printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
printf("\n");
if (c == 'w') {
printf("===== WRITING =====\n");
for (i = 0; i < size; i+=2) {
((char *)address)[i] = i & 0xff;
((char *)address)[i+1] = i & 0xff;
}
}
printf("===== READING =====\n");
for (i = 0; i < 0x10; i++)
printf("%02x ", (unsigned int)((unsigned char *)address)[i]);
printf("\n");
printf("===== /proc/dri/0/vma =====\n");
snprintf(buf, sizeof(buf), "cat /proc/dri/0/vma");
system(buf);
break;
case 'L':
context = strtoul(optarg, &pt, 0);
offset = strtoul(pt+1, &pt, 0);
size = strtoul(pt+1, &pt, 0);
loops = strtoul(pt+1, NULL, 0);
address = NULL;
if ((r = drmMap(fd, offset, size, &address))) {
drmError(r, argv[0]);
return 1;
}
lock = address;
#if 1
{
int counter = 0;
struct timeval loop_start, loop_end;
struct timeval lock_start, lock_end;
double wt;
#define HISTOSIZE 9
int histo[HISTOSIZE];
int output = 0;
int fast = 0;
if (loops < 0) {
loops = -loops;
++output;
}
for (i = 0; i < HISTOSIZE; i++) histo[i] = 0;
gettimeofday(&loop_start, NULL);
for (i = 0; i < loops; i++) {
gettimeofday(&lock_start, NULL);
DRM_LIGHT_LOCK_COUNT(fd,lock,context,fast);
gettimeofday(&lock_end, NULL);
DRM_UNLOCK(fd,lock,context);
++counter;
wt = usec(&lock_end, &lock_start);
if (wt <= 2.5) ++histo[8];
if (wt < 5.0) ++histo[0];
else if (wt < 50.0) ++histo[1];
else if (wt < 500.0) ++histo[2];
else if (wt < 5000.0) ++histo[3];
else if (wt < 50000.0) ++histo[4];
else if (wt < 500000.0) ++histo[5];
else if (wt < 5000000.0) ++histo[6];
else ++histo[7];
if (output) printf( "%.2f uSec, %d fast\n", wt, fast);
}
gettimeofday(&loop_end, NULL);
printf( "Average wait time = %.2f usec, %d fast\n",
usec(&loop_end, &loop_start) / counter, fast);
printf( "%9d <= 2.5 uS\n", histo[8]);
printf( "%9d < 5 uS\n", histo[0]);
printf( "%9d < 50 uS\n", histo[1]);
printf( "%9d < 500 uS\n", histo[2]);
printf( "%9d < 5000 uS\n", histo[3]);
printf( "%9d < 50000 uS\n", histo[4]);
printf( "%9d < 500000 uS\n", histo[5]);
printf( "%9d < 5000000 uS\n", histo[6]);
printf( "%9d >= 5000000 uS\n", histo[7]);
}
#else
printf( "before lock: 0x%08x\n", lock->lock);
printf( "lock: 0x%08x\n", lock->lock);
sleep(5);
printf( "unlock: 0x%08x\n", lock->lock);
#endif
break;
default:
fprintf( stderr, "Usage: drmstat [options]\n" );
return 1;
}
return r;
}
static int
pscnv_gem_pager_fault(vm_object_t vm_obj, vm_ooffset_t offset, int prot,
vm_page_t *mres)
{
struct drm_gem_object *gem_obj = vm_obj->handle;
struct pscnv_bo *bo = gem_obj->driver_private;
struct drm_device *dev = gem_obj->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
vm_page_t m = NULL;
vm_page_t oldm;
vm_memattr_t mattr;
vm_paddr_t paddr;
const char *what;
if (bo->chan) {
paddr = dev_priv->fb_phys + offset +
nvc0_fifo_ctrl_offs(dev, bo->chan->cid);
mattr = VM_MEMATTR_UNCACHEABLE;
what = "fifo";
} else switch (bo->flags & PSCNV_GEM_MEMTYPE_MASK) {
case PSCNV_GEM_VRAM_SMALL:
case PSCNV_GEM_VRAM_LARGE:
paddr = dev_priv->fb_phys + bo->map1->start + offset;
mattr = VM_MEMATTR_WRITE_COMBINING;
what = "vram";
break;
case PSCNV_GEM_SYSRAM_SNOOP:
case PSCNV_GEM_SYSRAM_NOSNOOP:
paddr = bo->dmapages[OFF_TO_IDX(offset)];
mattr = VM_MEMATTR_WRITE_BACK;
what = "sysram";
break;
default: return (EINVAL);
}
if (offset >= bo->size) {
if (pscnv_mem_debug > 0)
NV_WARN(dev, "Reading %p + %08llx (%s) is past max size %08llx\n",
bo, offset, what, bo->size);
return (VM_PAGER_ERROR);
}
DRM_LOCK(dev);
if (pscnv_mem_debug > 0)
NV_WARN(dev, "Connecting %p+%08llx (%s) at phys %010llx\n",
bo, offset, what, paddr);
vm_object_pip_add(vm_obj, 1);
if (*mres != NULL) {
oldm = *mres;
vm_page_lock(oldm);
vm_page_remove(oldm);
vm_page_unlock(oldm);
*mres = NULL;
} else
oldm = NULL;
//VM_OBJECT_LOCK(vm_obj);
m = vm_phys_fictitious_to_vm_page(paddr);
if (m == NULL) {
DRM_UNLOCK(dev);
return -EFAULT;
}
KASSERT((m->flags & PG_FICTITIOUS) != 0,
("not fictitious %p", m));
KASSERT(m->wire_count == 1, ("wire_count not 1 %p", m));
if ((m->flags & VPO_BUSY) != 0) {
DRM_UNLOCK(dev);
return -EFAULT;
}
pmap_page_set_memattr(m, mattr);
m->valid = VM_PAGE_BITS_ALL;
*mres = m;
vm_page_lock(m);
vm_page_insert(m, vm_obj, OFF_TO_IDX(offset));
vm_page_unlock(m);
vm_page_busy(m);
printf("fault %p %jx %x phys %x", gem_obj, offset, prot,
m->phys_addr);
DRM_UNLOCK(dev);
if (oldm != NULL) {
vm_page_lock(oldm);
vm_page_free(oldm);
vm_page_unlock(oldm);
}
vm_object_pip_wakeup(vm_obj);
return (VM_PAGER_OK);
}
static int
drm_ati_alloc_pcigart_table(struct drm_device *dev,
struct drm_ati_pcigart_info *gart_info)
{
struct drm_dma_handle *dmah;
int flags, ret;
#if defined(__NetBSD__)
int nsegs;
#endif
dmah = malloc(sizeof(struct drm_dma_handle), DRM_MEM_DMA,
M_ZERO | M_NOWAIT);
if (dmah == NULL)
return ENOMEM;
#if defined(__FreeBSD__)
DRM_UNLOCK();
ret = bus_dma_tag_create(NULL, PAGE_SIZE, 0, /* tag, align, boundary */
gart_info->table_mask, BUS_SPACE_MAXADDR, /* lowaddr, highaddr */
NULL, NULL, /* filtfunc, filtfuncargs */
gart_info->table_size, 1, /* maxsize, nsegs */
gart_info->table_size, /* maxsegsize */
BUS_DMA_ALLOCNOW, NULL, NULL, /* flags, lockfunc, lockfuncargs */
&dmah->tag);
if (ret != 0) {
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
flags = BUS_DMA_NOWAIT | BUS_DMA_ZERO;
if (gart_info->gart_reg_if == DRM_ATI_GART_IGP)
flags |= BUS_DMA_NOCACHE;
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr, flags, &dmah->map);
if (ret != 0) {
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
DRM_LOCK();
ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
gart_info->table_size, drm_ati_alloc_pcigart_table_cb, dmah, 0);
if (ret != 0) {
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
#elif defined(__NetBSD__)
dmah->tag = dev->pa.pa_dmat;
flags = BUS_DMA_NOWAIT;
if (gart_info->gart_reg_if == DRM_ATI_GART_IGP)
flags |= BUS_DMA_NOCACHE;
ret = bus_dmamem_alloc(dmah->tag, gart_info->table_size, PAGE_SIZE,
0, dmah->segs, 1, &nsegs, flags);
if (ret != 0) {
printf("drm: unable to allocate %zu bytes of DMA, error %d\n",
(size_t)gart_info->table_size, ret);
dmah->tag = NULL;
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
if (nsegs != 1) {
printf("drm: bad segment count\n");
bus_dmamem_free(dmah->tag, dmah->segs, 1);
dmah->tag = NULL;
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
ret = bus_dmamem_map(dmah->tag, dmah->segs, nsegs,
gart_info->table_size, &dmah->vaddr,
flags | BUS_DMA_COHERENT);
if (ret != 0) {
printf("drm: Unable to map DMA, error %d\n", ret);
bus_dmamem_free(dmah->tag, dmah->segs, 1);
dmah->tag = NULL;
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
ret = bus_dmamap_create(dmah->tag, gart_info->table_size, 1,
gart_info->table_size, 0,
BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &dmah->map);
if (ret != 0) {
printf("drm: Unable to create DMA map, error %d\n", ret);
bus_dmamem_unmap(dmah->tag, dmah->vaddr, gart_info->table_size);
bus_dmamem_free(dmah->tag, dmah->segs, 1);
dmah->tag = NULL;
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
gart_info->table_size, NULL, BUS_DMA_NOWAIT);
if (ret != 0) {
printf("drm: Unable to load DMA map, error %d\n", ret);
bus_dmamap_destroy(dmah->tag, dmah->map);
bus_dmamem_unmap(dmah->tag, dmah->vaddr, gart_info->table_size);
bus_dmamem_free(dmah->tag, dmah->segs, 1);
dmah->tag = NULL;
free(dmah, DRM_MEM_DMA);
return ENOMEM;
}
dmah->busaddr = dmah->map->dm_segs[0].ds_addr;
dmah->size = gart_info->table_size;
dmah->nsegs = 1;
#if 0
/*
* Mirror here FreeBSD doing BUS_DMA_ZERO.
* But I see this same memset() is done in drm_ati_pcigart_init(),
* so maybe this is not needed.
*/
memset(dmah->vaddr, 0, gart_info->table_size);
#endif
#endif
dev->sg->dmah = dmah;
return 0;
}
/**
* \brief Allocate a physically contiguous DMA-accessible consistent
* memory block.
*/
drm_dma_handle_t *
drm_pci_alloc(struct drm_device *dev, size_t size,
size_t align, dma_addr_t maxaddr)
{
drm_dma_handle_t *dmah;
int ret;
#if defined(__NetBSD__)
int nsegs;
#endif
/* Need power-of-two alignment, so fail the allocation if it isn't. */
if ((align & (align - 1)) != 0) {
DRM_ERROR("drm_pci_alloc with non-power-of-two alignment %d\n",
(int)align);
return NULL;
}
dmah = malloc(sizeof(drm_dma_handle_t), M_DRM, M_ZERO | M_NOWAIT);
if (dmah == NULL)
return NULL;
#ifdef __FreeBSD__
DRM_UNLOCK();
ret = bus_dma_tag_create(NULL, align, 0, /* tag, align, boundary */
maxaddr, BUS_SPACE_MAXADDR, /* lowaddr, highaddr */
NULL, NULL, /* filtfunc, filtfuncargs */
size, 1, size, /* maxsize, nsegs, maxsegsize */
BUS_DMA_ALLOCNOW, NULL, NULL, /* flags, lockfunc, lockfuncargs */
&dmah->tag);
if (ret != 0) {
free(dmah, M_DRM);
DRM_LOCK();
return NULL;
}
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr, BUS_DMA_NOWAIT,
&dmah->map);
if (ret != 0) {
bus_dma_tag_destroy(dmah->tag);
free(dmah, M_DRM);
DRM_LOCK();
return NULL;
}
DRM_LOCK();
ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr, size,
drm_pci_busdma_callback, dmah, 0);
if (ret != 0) {
bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
bus_dma_tag_destroy(dmah->tag);
free(dmah, M_DRM);
return NULL;
}
return dmah;
#elif defined(__NetBSD__)
dmah->tag = dev->pa.pa_dmat;
if ((ret = bus_dmamem_alloc(dmah->tag, size, align, maxaddr,
dmah->segs, 1, &nsegs, BUS_DMA_NOWAIT)) != 0) {
printf("drm: Unable to allocate DMA, error %d\n", ret);
goto fail;
}
/* XXX is there a better way to deal with this? */
if (nsegs != 1) {
printf("drm: bad segment count from bus_dmamem_alloc\n");
goto free;
}
if ((ret = bus_dmamem_map(dmah->tag, dmah->segs, nsegs, size,
&dmah->vaddr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
printf("drm: Unable to map DMA, error %d\n", ret);
goto free;
}
if ((ret = bus_dmamap_create(dmah->tag, size, 1, size, maxaddr,
BUS_DMA_NOWAIT, &dmah->map)) != 0) {
printf("drm: Unable to create DMA map, error %d\n", ret);
goto unmap;
}
if ((ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
size, NULL, BUS_DMA_NOWAIT)) != 0) {
printf("drm: Unable to load DMA map, error %d\n", ret);
goto destroy;
}
dmah->busaddr = dmah->map->dm_segs[0].ds_addr;
dmah->size = size;
return dmah;
destroy:
bus_dmamap_destroy(dmah->tag, dmah->map);
unmap:
bus_dmamem_unmap(dmah->tag, dmah->vaddr, size);
free:
bus_dmamem_free(dmah->tag, dmah->segs, 1);
fail:
dmah->tag = NULL;
free(dmah, M_DRM);
return NULL;
#endif
}
static int
intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
struct drm_framebuffer *fb, int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct drm_device *dev = plane->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_plane *intel_plane = to_intel_plane(plane);
struct intel_framebuffer *intel_fb;
struct drm_i915_gem_object *obj, *old_obj;
int pipe = intel_plane->pipe;
int ret = 0;
int x = src_x >> 16, y = src_y >> 16;
int primary_w = crtc->mode.hdisplay, primary_h = crtc->mode.vdisplay;
bool disable_primary = false;
intel_fb = to_intel_framebuffer(fb);
obj = intel_fb->obj;
old_obj = intel_plane->obj;
src_w = src_w >> 16;
src_h = src_h >> 16;
/* Pipe must be running... */
if (!(I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE))
return -EINVAL;
if (crtc_x >= primary_w || crtc_y >= primary_h)
return -EINVAL;
/* Don't modify another pipe's plane */
if (intel_plane->pipe != intel_crtc->pipe)
return -EINVAL;
/*
* Clamp the width & height into the visible area. Note we don't
* try to scale the source if part of the visible region is offscreen.
* The caller must handle that by adjusting source offset and size.
*/
if ((crtc_x < 0) && ((crtc_x + crtc_w) > 0)) {
crtc_w += crtc_x;
crtc_x = 0;
}
if ((crtc_x + crtc_w) <= 0) /* Nothing to display */
goto out;
if ((crtc_x + crtc_w) > primary_w)
crtc_w = primary_w - crtc_x;
if ((crtc_y < 0) && ((crtc_y + crtc_h) > 0)) {
crtc_h += crtc_y;
crtc_y = 0;
}
if ((crtc_y + crtc_h) <= 0) /* Nothing to display */
goto out;
if (crtc_y + crtc_h > primary_h)
crtc_h = primary_h - crtc_y;
if (!crtc_w || !crtc_h) /* Again, nothing to display */
goto out;
/*
* We can take a larger source and scale it down, but
* only so much... 16x is the max on SNB.
*/
if (((src_w * src_h) / (crtc_w * crtc_h)) > intel_plane->max_downscale)
return -EINVAL;
/*
* If the sprite is completely covering the primary plane,
* we can disable the primary and save power.
*/
if ((crtc_x == 0) && (crtc_y == 0) &&
(crtc_w == primary_w) && (crtc_h == primary_h))
disable_primary = true;
DRM_LOCK(dev);
ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
if (ret)
goto out_unlock;
intel_plane->obj = obj;
/*
* Be sure to re-enable the primary before the sprite is no longer
* covering it fully.
*/
if (!disable_primary && intel_plane->primary_disabled) {
intel_enable_primary(crtc);
intel_plane->primary_disabled = false;
}
intel_plane->update_plane(plane, fb, obj, crtc_x, crtc_y,
crtc_w, crtc_h, x, y, src_w, src_h);
if (disable_primary) {
intel_disable_primary(crtc);
intel_plane->primary_disabled = true;
}
/* Unpin old obj after new one is active to avoid ugliness */
if (old_obj) {
/*
* It's fairly common to simply update the position of
* an existing object. In that case, we don't need to
* wait for vblank to avoid ugliness, we only need to
* do the pin & ref bookkeeping.
*/
if (old_obj != obj) {
DRM_UNLOCK(dev);
intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
DRM_LOCK(dev);
}
intel_unpin_fb_obj(old_obj);
}
out_unlock:
DRM_UNLOCK(dev);
out:
return ret;
}
int
i915_reset(struct drm_device *dev, u8 flags)
{
drm_i915_private_t *dev_priv = dev->dev_private;
/*
* We really should only reset the display subsystem if we actually
* need to
*/
bool need_display = true;
int ret;
if (!i915_try_reset)
return (0);
if (!sx_try_xlock(&dev->dev_struct_lock))
return (-EBUSY);
i915_gem_reset(dev);
ret = -ENODEV;
if (time_second - dev_priv->last_gpu_reset < 5) {
DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
} else {
switch (INTEL_INFO(dev)->gen) {
case 7:
case 6:
ret = gen6_do_reset(dev, flags);
break;
case 5:
ret = ironlake_do_reset(dev, flags);
break;
case 4:
ret = i965_do_reset(dev, flags);
break;
case 2:
ret = i8xx_do_reset(dev, flags);
break;
}
}
dev_priv->last_gpu_reset = time_second;
if (ret) {
DRM_ERROR("Failed to reset chip.\n");
DRM_UNLOCK(dev);
return (ret);
}
if (drm_core_check_feature(dev, DRIVER_MODESET) ||
!dev_priv->mm.suspended) {
dev_priv->mm.suspended = 0;
i915_gem_init_swizzling(dev);
dev_priv->rings[RCS].init(&dev_priv->rings[RCS]);
if (HAS_BSD(dev))
dev_priv->rings[VCS].init(&dev_priv->rings[VCS]);
if (HAS_BLT(dev))
dev_priv->rings[BCS].init(&dev_priv->rings[BCS]);
i915_gem_init_ppgtt(dev);
drm_irq_uninstall(dev);
drm_mode_config_reset(dev);
DRM_UNLOCK(dev);
drm_irq_install(dev);
DRM_LOCK(dev);
}
DRM_UNLOCK(dev);
if (need_display) {
sx_xlock(&dev->mode_config.mutex);
drm_helper_resume_force_mode(dev);
sx_xunlock(&dev->mode_config.mutex);
}
return (0);
}
int
i915_load_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
ret = intel_parse_bios(dev);
if (ret)
DRM_INFO("failed to find VBIOS tables\n");
#if 0
intel_register_dsm_handler();
#endif
/* IIR "flip pending" bit means done if this bit is set */
if (IS_GEN3(dev) && (I915_READ(ECOSKPD) & ECO_FLIP_DONE))
dev_priv->flip_pending_is_done = true;
#ifdef notyet
ret = vga_switcheroo_register_client(dev->pdev, &i915_switcheroo_ops);
if (ret)
goto cleanup_vga_client;
/* Initialise stolen first so that we may reserve preallocated
* objects for the BIOS to KMS transition.
*/
ret = i915_gem_init_stolen(dev);
if (ret)
goto cleanup_vga_switcheroo;
#endif
intel_modeset_init(dev);
ret = i915_gem_init(dev);
if (ret)
goto cleanup_gem_stolen;
intel_modeset_gem_init(dev);
ret = drm_irq_install(dev);
if (ret)
goto cleanup_gem;
/* Always safe in the mode setting case. */
/* FIXME: do pre/post-mode set stuff in core KMS code */
dev->vblank_disable_allowed = 1;
ret = intel_fbdev_init(dev);
if (ret)
goto cleanup_irq;
drm_kms_helper_poll_init(dev);
/* We're off and running w/KMS */
dev_priv->mm.suspended = 0;
return (0);
cleanup_irq:
drm_irq_uninstall(dev);
cleanup_gem:
DRM_LOCK();
i915_gem_cleanup_ringbuffer(dev);
DRM_UNLOCK();
i915_gem_cleanup_aliasing_ppgtt(dev);
cleanup_gem_stolen:
#ifdef notyet
i915_gem_cleanup_stolen(dev);
#endif
return (ret);
}
static void drm_unload(struct drm_device *dev)
{
int i;
DRM_DEBUG("\n");
drm_sysctl_cleanup(dev);
if (dev->devnode != NULL)
destroy_dev(dev->devnode);
drm_ctxbitmap_cleanup(dev);
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_destroy(dev);
if (dev->agp && dev->agp->agp_mtrr) {
int __unused retcode;
retcode = drm_mtrr_del(0, dev->agp->agp_info.ai_aperture_base,
dev->agp->agp_info.ai_aperture_size, DRM_MTRR_WC);
DRM_DEBUG("mtrr_del = %d", retcode);
}
drm_vblank_cleanup(dev);
DRM_LOCK(dev);
drm_lastclose(dev);
DRM_UNLOCK(dev);
/* Clean up PCI resources allocated by drm_bufs.c. We're not really
* worried about resource consumption while the DRM is inactive (between
* lastclose and firstopen or unload) because these aren't actually
* taking up KVA, just keeping the PCI resource allocated.
*/
for (i = 0; i < DRM_MAX_PCI_RESOURCE; i++) {
if (dev->pcir[i] == NULL)
continue;
bus_release_resource(dev->dev, SYS_RES_MEMORY,
dev->pcirid[i], dev->pcir[i]);
dev->pcir[i] = NULL;
}
if (dev->agp) {
drm_free(dev->agp, M_DRM);
dev->agp = NULL;
}
if (dev->driver->unload != NULL) {
DRM_LOCK(dev);
dev->driver->unload(dev);
DRM_UNLOCK(dev);
}
drm_mem_uninit();
if (pci_disable_busmaster(dev->dev))
DRM_ERROR("Request to disable bus-master failed.\n");
lockuninit(&dev->vbl_lock);
lockuninit(&dev->dev_lock);
lockuninit(&dev->event_lock);
lockuninit(&dev->struct_mutex);
}
/**
* Release file.
*
* \param inode device inode
* \param file_priv DRM file private.
* \return zero on success or a negative number on failure.
*
* If the hardware lock is held then free it, and take it again for the kernel
* context since it's necessary to reclaim buffers. Unlink the file private
* data from its list and free it. Decreases the open count and if it reaches
* zero calls drm_lastclose().
*/
#if 0 /* old drm_release equivalent from DragonFly */
void drm_cdevpriv_dtor(void *cd)
{
struct drm_file *file_priv = cd;
struct drm_device *dev = file_priv->dev;
int retcode = 0;
DRM_DEBUG("open_count = %d\n", dev->open_count);
DRM_LOCK(dev);
if (dev->driver->preclose != NULL)
dev->driver->preclose(dev, file_priv);
/* ========================================================
* Begin inline drm_release
*/
DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
DRM_CURRENTPID, (long)dev->dev, dev->open_count);
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_release(dev, file_priv);
if (dev->primary->master->lock.hw_lock
&& _DRM_LOCK_IS_HELD(dev->primary->master->lock.hw_lock->lock)
&& dev->primary->master->lock.file_priv == file_priv) {
DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
DRM_CURRENTPID,
_DRM_LOCKING_CONTEXT(dev->primary->master->lock.hw_lock->lock));
if (dev->driver->reclaim_buffers_locked != NULL)
dev->driver->reclaim_buffers_locked(dev, file_priv);
drm_lock_free(&dev->primary->master->lock,
_DRM_LOCKING_CONTEXT(dev->primary->master->lock.hw_lock->lock));
/* FIXME: may require heavy-handed reset of
hardware at this point, possibly
processed via a callback to the X
server. */
} else if (dev->driver->reclaim_buffers_locked != NULL &&
dev->primary->master->lock.hw_lock != NULL) {
/* The lock is required to reclaim buffers */
for (;;) {
if (!dev->primary->master->lock.hw_lock) {
/* Device has been unregistered */
retcode = EINTR;
break;
}
if (drm_lock_take(&dev->primary->master->lock, DRM_KERNEL_CONTEXT)) {
dev->primary->master->lock.file_priv = file_priv;
dev->primary->master->lock.lock_time = jiffies;
atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
break; /* Got lock */
}
/* Contention */
retcode = DRM_LOCK_SLEEP(dev, &dev->primary->master->lock.lock_queue,
PCATCH, "drmlk2", 0);
if (retcode)
break;
}
if (retcode == 0) {
dev->driver->reclaim_buffers_locked(dev, file_priv);
drm_lock_free(&dev->primary->master->lock, DRM_KERNEL_CONTEXT);
}
}
if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&
!dev->driver->reclaim_buffers_locked)
drm_reclaim_buffers(dev, file_priv);
funsetown(&dev->buf_sigio);
if (dev->driver->postclose != NULL)
dev->driver->postclose(dev, file_priv);
list_del(&file_priv->lhead);
/* ========================================================
* End inline drm_release
*/
atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
device_unbusy(dev->dev);
if (--dev->open_count == 0) {
retcode = drm_lastclose(dev);
}
DRM_UNLOCK(dev);
}
static int intelfb_create(struct intel_fbdev *ifbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct drm_device *dev = ifbdev->helper.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
#if 0
struct fb_info *info;
#endif
struct drm_framebuffer *fb;
struct drm_mode_fb_cmd2 mode_cmd = {};
struct drm_i915_gem_object *obj;
int size, ret;
/* we don't do packed 24bpp */
if (sizes->surface_bpp == 24)
sizes->surface_bpp = 32;
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
mode_cmd.pitches[0] = roundup2(mode_cmd.width * ((sizes->surface_bpp + 7) /
8), 64);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
size = mode_cmd.pitches[0] * mode_cmd.height;
size = roundup2(size, PAGE_SIZE);
obj = i915_gem_alloc_object(dev, size);
if (!obj) {
DRM_ERROR("failed to allocate framebuffer\n");
ret = -ENOMEM;
goto out;
}
DRM_LOCK();
/* Flush everything out, we'll be doing GTT only from now on */
ret = intel_pin_and_fence_fb_obj(dev, obj, false);
if (ret) {
DRM_ERROR("failed to pin fb: %d\n", ret);
goto out_unref;
}
#if 0
info = framebuffer_alloc(0, device);
if (!info) {
ret = -ENOMEM;
goto out_unpin;
}
info->par = ifbdev;
#endif
ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj);
if (ret)
goto out_unpin;
fb = &ifbdev->ifb.base;
ifbdev->helper.fb = fb;
#if 0
ifbdev->helper.fbdev = info;
strlcpy(info->fix.id, "inteldrmfb", sizeof(info->fix.id));
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &intelfb_ops;
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret) {
ret = -ENOMEM;
goto out_unpin;
}
/* setup aperture base/size for vesafb takeover */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
goto out_unpin;
}
info->apertures->ranges[0].base = dev->mode_config.fb_base;
info->apertures->ranges[0].size =
dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
info->fix.smem_len = size;
info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size);
if (!info->screen_base) {
ret = -ENOSPC;
goto out_unpin;
}
info->screen_size = size;
// memset(info->screen_base, 0, size);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
#else
{
struct rasops_info *ri = &dev_priv->ro;
bus_space_handle_t bsh;
int err;
err = agp_map_subregion(dev_priv->agph, obj->gtt_offset, size, &bsh);
if (err) {
ret = -err;
goto out_unpin;
}
ri->ri_bits = bus_space_vaddr(dev->bst, bsh);
ri->ri_depth = fb->bits_per_pixel;
ri->ri_stride = fb->pitches[0];
ri->ri_width = sizes->fb_width;
ri->ri_height = sizes->fb_height;
switch (fb->pixel_format) {
case DRM_FORMAT_XRGB8888:
ri->ri_rnum = 8;
ri->ri_rpos = 16;
ri->ri_gnum = 8;
ri->ri_gpos = 8;
ri->ri_bnum = 8;
ri->ri_bpos = 0;
break;
case DRM_FORMAT_RGB565:
ri->ri_rnum = 5;
ri->ri_rpos = 11;
ri->ri_gnum = 6;
ri->ri_gpos = 5;
ri->ri_bnum = 5;
ri->ri_bpos = 0;
break;
}
}
#endif
DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n",
fb->width, fb->height,
obj->gtt_offset, obj);
DRM_UNLOCK();
#if 1
DRM_DEBUG_KMS("skipping call to vga_switcheroo_client_fb_set\n");
#else
vga_switcheroo_client_fb_set(dev->pdev, info);
#endif
return 0;
out_unpin:
i915_gem_object_unpin(obj);
out_unref:
drm_gem_object_unreference(&obj->base);
DRM_UNLOCK();
out:
return ret;
}