2 * Copyright (C) 2013 Red Hat
3 * Author: Rob Clark <robdclark@gmail.com>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
22 static void msm_fb_output_poll_changed(struct drm_device *dev)
24 struct msm_drm_private *priv = dev->dev_private;
26 drm_fb_helper_hotplug_event(priv->fbdev);
29 static const struct drm_mode_config_funcs mode_config_funcs = {
30 .fb_create = msm_framebuffer_create,
31 .output_poll_changed = msm_fb_output_poll_changed,
34 int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu)
36 struct msm_drm_private *priv = dev->dev_private;
37 int idx = priv->num_mmus++;
39 if (WARN_ON(idx >= ARRAY_SIZE(priv->mmus)))
42 priv->mmus[idx] = mmu;
47 #ifdef CONFIG_DRM_MSM_REGISTER_LOGGING
48 static bool reglog = false;
49 MODULE_PARM_DESC(reglog, "Enable register read/write logging");
50 module_param(reglog, bool, 0600);
55 static char *vram = "16m";
56 MODULE_PARM_DESC(vram, "Configure VRAM size (for devices without IOMMU/GPUMMU");
57 module_param(vram, charp, 0);
63 void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
71 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
73 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
76 dev_err(&pdev->dev, "failed to get memory resource: %s\n", name);
77 return ERR_PTR(-EINVAL);
80 size = resource_size(res);
82 ptr = devm_ioremap_nocache(&pdev->dev, res->start, size);
84 dev_err(&pdev->dev, "failed to ioremap: %s\n", name);
85 return ERR_PTR(-ENOMEM);
89 printk(KERN_DEBUG "IO:region %s %08x %08lx\n", dbgname, (u32)ptr, size);
94 void msm_writel(u32 data, void __iomem *addr)
97 printk(KERN_DEBUG "IO:W %08x %08x\n", (u32)addr, data);
101 u32 msm_readl(const void __iomem *addr)
103 u32 val = readl(addr);
105 printk(KERN_ERR "IO:R %08x %08x\n", (u32)addr, val);
113 static int msm_unload(struct drm_device *dev)
115 struct msm_drm_private *priv = dev->dev_private;
116 struct msm_kms *kms = priv->kms;
117 struct msm_gpu *gpu = priv->gpu;
119 drm_kms_helper_poll_fini(dev);
120 drm_mode_config_cleanup(dev);
121 drm_vblank_cleanup(dev);
123 pm_runtime_get_sync(dev->dev);
124 drm_irq_uninstall(dev);
125 pm_runtime_put_sync(dev->dev);
127 flush_workqueue(priv->wq);
128 destroy_workqueue(priv->wq);
131 pm_runtime_disable(dev->dev);
132 kms->funcs->destroy(kms);
136 mutex_lock(&dev->struct_mutex);
137 gpu->funcs->pm_suspend(gpu);
138 gpu->funcs->destroy(gpu);
139 mutex_unlock(&dev->struct_mutex);
142 if (priv->vram.paddr) {
143 DEFINE_DMA_ATTRS(attrs);
144 dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
145 drm_mm_takedown(&priv->vram.mm);
146 dma_free_attrs(dev->dev, priv->vram.size, NULL,
147 priv->vram.paddr, &attrs);
150 component_unbind_all(dev->dev, dev);
152 dev->dev_private = NULL;
159 static int get_mdp_ver(struct platform_device *pdev)
162 static const struct of_device_id match_types[] = { {
163 .compatible = "qcom,mdss_mdp",
168 struct device *dev = &pdev->dev;
169 const struct of_device_id *match;
170 match = of_match_node(match_types, dev->of_node);
172 return (int)match->data;
177 static int msm_load(struct drm_device *dev, unsigned long flags)
179 struct platform_device *pdev = dev->platformdev;
180 struct msm_drm_private *priv;
184 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
186 dev_err(dev->dev, "failed to allocate private data\n");
190 dev->dev_private = priv;
192 priv->wq = alloc_ordered_workqueue("msm", 0);
193 init_waitqueue_head(&priv->fence_event);
195 INIT_LIST_HEAD(&priv->inactive_list);
196 INIT_LIST_HEAD(&priv->fence_cbs);
198 drm_mode_config_init(dev);
200 /* if we have no IOMMU, then we need to use carveout allocator.
201 * Grab the entire CMA chunk carved out in early startup in
204 if (!iommu_present(&platform_bus_type)) {
205 DEFINE_DMA_ATTRS(attrs);
209 DBG("using %s VRAM carveout", vram);
210 size = memparse(vram, NULL);
211 priv->vram.size = size;
213 drm_mm_init(&priv->vram.mm, 0, (size >> PAGE_SHIFT) - 1);
215 dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
216 dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs);
218 /* note that for no-kernel-mapping, the vaddr returned
219 * is bogus, but non-null if allocation succeeded:
221 p = dma_alloc_attrs(dev->dev, size,
222 &priv->vram.paddr, GFP_KERNEL, &attrs);
224 dev_err(dev->dev, "failed to allocate VRAM\n");
225 priv->vram.paddr = 0;
230 dev_info(dev->dev, "VRAM: %08x->%08x\n",
231 (uint32_t)priv->vram.paddr,
232 (uint32_t)(priv->vram.paddr + size));
235 platform_set_drvdata(pdev, dev);
237 /* Bind all our sub-components: */
238 ret = component_bind_all(dev->dev, dev);
242 switch (get_mdp_ver(pdev)) {
244 kms = mdp4_kms_init(dev);
247 kms = mdp5_kms_init(dev);
250 kms = ERR_PTR(-ENODEV);
256 * NOTE: once we have GPU support, having no kms should not
257 * be considered fatal.. ideally we would still support gpu
258 * and (for example) use dmabuf/prime to share buffers with
259 * imx drm driver on iMX5
261 dev_err(dev->dev, "failed to load kms\n");
269 pm_runtime_enable(dev->dev);
270 ret = kms->funcs->hw_init(kms);
272 dev_err(dev->dev, "kms hw init failed: %d\n", ret);
277 dev->mode_config.min_width = 0;
278 dev->mode_config.min_height = 0;
279 dev->mode_config.max_width = 2048;
280 dev->mode_config.max_height = 2048;
281 dev->mode_config.funcs = &mode_config_funcs;
283 ret = drm_vblank_init(dev, priv->num_crtcs);
285 dev_err(dev->dev, "failed to initialize vblank\n");
289 pm_runtime_get_sync(dev->dev);
290 ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
291 pm_runtime_put_sync(dev->dev);
293 dev_err(dev->dev, "failed to install IRQ handler\n");
297 #ifdef CONFIG_DRM_MSM_FBDEV
298 priv->fbdev = msm_fbdev_init(dev);
301 ret = msm_debugfs_late_init(dev);
305 drm_kms_helper_poll_init(dev);
314 static void load_gpu(struct drm_device *dev)
316 static DEFINE_MUTEX(init_lock);
317 struct msm_drm_private *priv = dev->dev_private;
319 mutex_lock(&init_lock);
322 priv->gpu = adreno_load_gpu(dev);
324 mutex_unlock(&init_lock);
327 static int msm_open(struct drm_device *dev, struct drm_file *file)
329 struct msm_file_private *ctx;
331 /* For now, load gpu on open.. to avoid the requirement of having
332 * firmware in the initrd.
336 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
340 file->driver_priv = ctx;
345 static void msm_preclose(struct drm_device *dev, struct drm_file *file)
347 struct msm_drm_private *priv = dev->dev_private;
348 struct msm_file_private *ctx = file->driver_priv;
349 struct msm_kms *kms = priv->kms;
352 kms->funcs->preclose(kms, file);
354 mutex_lock(&dev->struct_mutex);
355 if (ctx == priv->lastctx)
356 priv->lastctx = NULL;
357 mutex_unlock(&dev->struct_mutex);
362 static void msm_lastclose(struct drm_device *dev)
364 struct msm_drm_private *priv = dev->dev_private;
366 drm_fb_helper_restore_fbdev_mode_unlocked(priv->fbdev);
369 static irqreturn_t msm_irq(int irq, void *arg)
371 struct drm_device *dev = arg;
372 struct msm_drm_private *priv = dev->dev_private;
373 struct msm_kms *kms = priv->kms;
375 return kms->funcs->irq(kms);
378 static void msm_irq_preinstall(struct drm_device *dev)
380 struct msm_drm_private *priv = dev->dev_private;
381 struct msm_kms *kms = priv->kms;
383 kms->funcs->irq_preinstall(kms);
386 static int msm_irq_postinstall(struct drm_device *dev)
388 struct msm_drm_private *priv = dev->dev_private;
389 struct msm_kms *kms = priv->kms;
391 return kms->funcs->irq_postinstall(kms);
394 static void msm_irq_uninstall(struct drm_device *dev)
396 struct msm_drm_private *priv = dev->dev_private;
397 struct msm_kms *kms = priv->kms;
399 kms->funcs->irq_uninstall(kms);
402 static int msm_enable_vblank(struct drm_device *dev, int crtc_id)
404 struct msm_drm_private *priv = dev->dev_private;
405 struct msm_kms *kms = priv->kms;
408 DBG("dev=%p, crtc=%d", dev, crtc_id);
409 return kms->funcs->enable_vblank(kms, priv->crtcs[crtc_id]);
412 static void msm_disable_vblank(struct drm_device *dev, int crtc_id)
414 struct msm_drm_private *priv = dev->dev_private;
415 struct msm_kms *kms = priv->kms;
418 DBG("dev=%p, crtc=%d", dev, crtc_id);
419 kms->funcs->disable_vblank(kms, priv->crtcs[crtc_id]);
426 #ifdef CONFIG_DEBUG_FS
427 static int msm_gpu_show(struct drm_device *dev, struct seq_file *m)
429 struct msm_drm_private *priv = dev->dev_private;
430 struct msm_gpu *gpu = priv->gpu;
433 seq_printf(m, "%s Status:\n", gpu->name);
434 gpu->funcs->show(gpu, m);
440 static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
442 struct msm_drm_private *priv = dev->dev_private;
443 struct msm_gpu *gpu = priv->gpu;
446 seq_printf(m, "Active Objects (%s):\n", gpu->name);
447 msm_gem_describe_objects(&gpu->active_list, m);
450 seq_printf(m, "Inactive Objects:\n");
451 msm_gem_describe_objects(&priv->inactive_list, m);
456 static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
458 return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
461 static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
463 struct msm_drm_private *priv = dev->dev_private;
464 struct drm_framebuffer *fb, *fbdev_fb = NULL;
467 seq_printf(m, "fbcon ");
468 fbdev_fb = priv->fbdev->fb;
469 msm_framebuffer_describe(fbdev_fb, m);
472 mutex_lock(&dev->mode_config.fb_lock);
473 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
477 seq_printf(m, "user ");
478 msm_framebuffer_describe(fb, m);
480 mutex_unlock(&dev->mode_config.fb_lock);
485 static int show_locked(struct seq_file *m, void *arg)
487 struct drm_info_node *node = (struct drm_info_node *) m->private;
488 struct drm_device *dev = node->minor->dev;
489 int (*show)(struct drm_device *dev, struct seq_file *m) =
490 node->info_ent->data;
493 ret = mutex_lock_interruptible(&dev->struct_mutex);
499 mutex_unlock(&dev->struct_mutex);
504 static struct drm_info_list msm_debugfs_list[] = {
505 {"gpu", show_locked, 0, msm_gpu_show},
506 {"gem", show_locked, 0, msm_gem_show},
507 { "mm", show_locked, 0, msm_mm_show },
508 { "fb", show_locked, 0, msm_fb_show },
511 static int late_init_minor(struct drm_minor *minor)
518 ret = msm_rd_debugfs_init(minor);
520 dev_err(minor->dev->dev, "could not install rd debugfs\n");
524 ret = msm_perf_debugfs_init(minor);
526 dev_err(minor->dev->dev, "could not install perf debugfs\n");
533 int msm_debugfs_late_init(struct drm_device *dev)
536 ret = late_init_minor(dev->primary);
539 ret = late_init_minor(dev->render);
542 ret = late_init_minor(dev->control);
546 static int msm_debugfs_init(struct drm_minor *minor)
548 struct drm_device *dev = minor->dev;
551 ret = drm_debugfs_create_files(msm_debugfs_list,
552 ARRAY_SIZE(msm_debugfs_list),
553 minor->debugfs_root, minor);
556 dev_err(dev->dev, "could not install msm_debugfs_list\n");
563 static void msm_debugfs_cleanup(struct drm_minor *minor)
565 drm_debugfs_remove_files(msm_debugfs_list,
566 ARRAY_SIZE(msm_debugfs_list), minor);
567 if (!minor->dev->dev_private)
569 msm_rd_debugfs_cleanup(minor);
570 msm_perf_debugfs_cleanup(minor);
578 int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence,
579 struct timespec *timeout)
581 struct msm_drm_private *priv = dev->dev_private;
587 if (fence > priv->gpu->submitted_fence) {
588 DRM_ERROR("waiting on invalid fence: %u (of %u)\n",
589 fence, priv->gpu->submitted_fence);
595 ret = fence_completed(dev, fence) ? 0 : -EBUSY;
597 unsigned long timeout_jiffies = timespec_to_jiffies(timeout);
598 unsigned long start_jiffies = jiffies;
599 unsigned long remaining_jiffies;
601 if (time_after(start_jiffies, timeout_jiffies))
602 remaining_jiffies = 0;
604 remaining_jiffies = timeout_jiffies - start_jiffies;
606 ret = wait_event_interruptible_timeout(priv->fence_event,
607 fence_completed(dev, fence),
611 DBG("timeout waiting for fence: %u (completed: %u)",
612 fence, priv->completed_fence);
614 } else if (ret != -ERESTARTSYS) {
622 /* called from workqueue */
623 void msm_update_fence(struct drm_device *dev, uint32_t fence)
625 struct msm_drm_private *priv = dev->dev_private;
627 mutex_lock(&dev->struct_mutex);
628 priv->completed_fence = max(fence, priv->completed_fence);
630 while (!list_empty(&priv->fence_cbs)) {
631 struct msm_fence_cb *cb;
633 cb = list_first_entry(&priv->fence_cbs,
634 struct msm_fence_cb, work.entry);
636 if (cb->fence > priv->completed_fence)
639 list_del_init(&cb->work.entry);
640 queue_work(priv->wq, &cb->work);
643 mutex_unlock(&dev->struct_mutex);
645 wake_up_all(&priv->fence_event);
648 void __msm_fence_worker(struct work_struct *work)
650 struct msm_fence_cb *cb = container_of(work, struct msm_fence_cb, work);
658 static int msm_ioctl_get_param(struct drm_device *dev, void *data,
659 struct drm_file *file)
661 struct msm_drm_private *priv = dev->dev_private;
662 struct drm_msm_param *args = data;
665 /* for now, we just have 3d pipe.. eventually this would need to
666 * be more clever to dispatch to appropriate gpu module:
668 if (args->pipe != MSM_PIPE_3D0)
676 return gpu->funcs->get_param(gpu, args->param, &args->value);
679 static int msm_ioctl_gem_new(struct drm_device *dev, void *data,
680 struct drm_file *file)
682 struct drm_msm_gem_new *args = data;
684 if (args->flags & ~MSM_BO_FLAGS) {
685 DRM_ERROR("invalid flags: %08x\n", args->flags);
689 return msm_gem_new_handle(dev, file, args->size,
690 args->flags, &args->handle);
693 #define TS(t) ((struct timespec){ .tv_sec = (t).tv_sec, .tv_nsec = (t).tv_nsec })
695 static int msm_ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
696 struct drm_file *file)
698 struct drm_msm_gem_cpu_prep *args = data;
699 struct drm_gem_object *obj;
702 if (args->op & ~MSM_PREP_FLAGS) {
703 DRM_ERROR("invalid op: %08x\n", args->op);
707 obj = drm_gem_object_lookup(dev, file, args->handle);
711 ret = msm_gem_cpu_prep(obj, args->op, &TS(args->timeout));
713 drm_gem_object_unreference_unlocked(obj);
718 static int msm_ioctl_gem_cpu_fini(struct drm_device *dev, void *data,
719 struct drm_file *file)
721 struct drm_msm_gem_cpu_fini *args = data;
722 struct drm_gem_object *obj;
725 obj = drm_gem_object_lookup(dev, file, args->handle);
729 ret = msm_gem_cpu_fini(obj);
731 drm_gem_object_unreference_unlocked(obj);
736 static int msm_ioctl_gem_info(struct drm_device *dev, void *data,
737 struct drm_file *file)
739 struct drm_msm_gem_info *args = data;
740 struct drm_gem_object *obj;
746 obj = drm_gem_object_lookup(dev, file, args->handle);
750 args->offset = msm_gem_mmap_offset(obj);
752 drm_gem_object_unreference_unlocked(obj);
757 static int msm_ioctl_wait_fence(struct drm_device *dev, void *data,
758 struct drm_file *file)
760 struct drm_msm_wait_fence *args = data;
763 DRM_ERROR("invalid pad: %08x\n", args->pad);
767 return msm_wait_fence_interruptable(dev, args->fence,
771 static const struct drm_ioctl_desc msm_ioctls[] = {
772 DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
773 DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
774 DRM_IOCTL_DEF_DRV(MSM_GEM_INFO, msm_ioctl_gem_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
775 DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_PREP, msm_ioctl_gem_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
776 DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_FINI, msm_ioctl_gem_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
777 DRM_IOCTL_DEF_DRV(MSM_GEM_SUBMIT, msm_ioctl_gem_submit, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
778 DRM_IOCTL_DEF_DRV(MSM_WAIT_FENCE, msm_ioctl_wait_fence, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
781 static const struct vm_operations_struct vm_ops = {
782 .fault = msm_gem_fault,
783 .open = drm_gem_vm_open,
784 .close = drm_gem_vm_close,
787 static const struct file_operations fops = {
788 .owner = THIS_MODULE,
790 .release = drm_release,
791 .unlocked_ioctl = drm_ioctl,
793 .compat_ioctl = drm_compat_ioctl,
798 .mmap = msm_gem_mmap,
801 static struct drm_driver msm_driver = {
802 .driver_features = DRIVER_HAVE_IRQ |
808 .unload = msm_unload,
810 .preclose = msm_preclose,
811 .lastclose = msm_lastclose,
812 .set_busid = drm_platform_set_busid,
813 .irq_handler = msm_irq,
814 .irq_preinstall = msm_irq_preinstall,
815 .irq_postinstall = msm_irq_postinstall,
816 .irq_uninstall = msm_irq_uninstall,
817 .get_vblank_counter = drm_vblank_count,
818 .enable_vblank = msm_enable_vblank,
819 .disable_vblank = msm_disable_vblank,
820 .gem_free_object = msm_gem_free_object,
821 .gem_vm_ops = &vm_ops,
822 .dumb_create = msm_gem_dumb_create,
823 .dumb_map_offset = msm_gem_dumb_map_offset,
824 .dumb_destroy = drm_gem_dumb_destroy,
825 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
826 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
827 .gem_prime_export = drm_gem_prime_export,
828 .gem_prime_import = drm_gem_prime_import,
829 .gem_prime_pin = msm_gem_prime_pin,
830 .gem_prime_unpin = msm_gem_prime_unpin,
831 .gem_prime_get_sg_table = msm_gem_prime_get_sg_table,
832 .gem_prime_import_sg_table = msm_gem_prime_import_sg_table,
833 .gem_prime_vmap = msm_gem_prime_vmap,
834 .gem_prime_vunmap = msm_gem_prime_vunmap,
835 #ifdef CONFIG_DEBUG_FS
836 .debugfs_init = msm_debugfs_init,
837 .debugfs_cleanup = msm_debugfs_cleanup,
839 .ioctls = msm_ioctls,
840 .num_ioctls = DRM_MSM_NUM_IOCTLS,
843 .desc = "MSM Snapdragon DRM",
849 #ifdef CONFIG_PM_SLEEP
850 static int msm_pm_suspend(struct device *dev)
852 struct drm_device *ddev = dev_get_drvdata(dev);
854 drm_kms_helper_poll_disable(ddev);
859 static int msm_pm_resume(struct device *dev)
861 struct drm_device *ddev = dev_get_drvdata(dev);
863 drm_kms_helper_poll_enable(ddev);
869 static const struct dev_pm_ops msm_pm_ops = {
870 SET_SYSTEM_SLEEP_PM_OPS(msm_pm_suspend, msm_pm_resume)
874 * Componentized driver support:
878 /* NOTE: the CONFIG_OF case duplicates the same code as exynos or imx
879 * (or probably any other).. so probably some room for some helpers
881 static int compare_of(struct device *dev, void *data)
883 return dev->of_node == data;
886 static int add_components(struct device *dev, struct component_match **matchptr,
889 struct device_node *np = dev->of_node;
893 struct device_node *node;
895 node = of_parse_phandle(np, name, i);
899 component_match_add(dev, matchptr, compare_of, node);
905 static int compare_dev(struct device *dev, void *data)
911 static int msm_drm_bind(struct device *dev)
913 return drm_platform_init(&msm_driver, to_platform_device(dev));
916 static void msm_drm_unbind(struct device *dev)
918 drm_put_dev(platform_get_drvdata(to_platform_device(dev)));
921 static const struct component_master_ops msm_drm_ops = {
922 .bind = msm_drm_bind,
923 .unbind = msm_drm_unbind,
930 static int msm_pdev_probe(struct platform_device *pdev)
932 struct component_match *match = NULL;
934 add_components(&pdev->dev, &match, "connectors");
935 add_components(&pdev->dev, &match, "gpus");
937 /* For non-DT case, it kinda sucks. We don't actually have a way
938 * to know whether or not we are waiting for certain devices (or if
939 * they are simply not present). But for non-DT we only need to
940 * care about apq8064/apq8060/etc (all mdp4/a3xx):
942 static const char *devnames[] = {
943 "hdmi_msm.0", "kgsl-3d0.0",
947 DBG("Adding components..");
949 for (i = 0; i < ARRAY_SIZE(devnames); i++) {
952 dev = bus_find_device_by_name(&platform_bus_type,
955 dev_info(&pdev->dev, "still waiting for %s\n", devnames[i]);
956 return -EPROBE_DEFER;
959 component_match_add(&pdev->dev, &match, compare_dev, dev);
963 pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
964 return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match);
967 static int msm_pdev_remove(struct platform_device *pdev)
969 component_master_del(&pdev->dev, &msm_drm_ops);
974 static const struct platform_device_id msm_id[] = {
979 static const struct of_device_id dt_match[] = {
980 { .compatible = "qcom,mdp" }, /* mdp4 */
981 { .compatible = "qcom,mdss_mdp" }, /* mdp5 */
984 MODULE_DEVICE_TABLE(of, dt_match);
986 static struct platform_driver msm_platform_driver = {
987 .probe = msm_pdev_probe,
988 .remove = msm_pdev_remove,
990 .owner = THIS_MODULE,
992 .of_match_table = dt_match,
998 static int __init msm_drm_register(void)
1003 return platform_driver_register(&msm_platform_driver);
1006 static void __exit msm_drm_unregister(void)
1009 platform_driver_unregister(&msm_platform_driver);
1011 adreno_unregister();
1014 module_init(msm_drm_register);
1015 module_exit(msm_drm_unregister);
1017 MODULE_AUTHOR("Rob Clark <robdclark@gmail.com");
1018 MODULE_DESCRIPTION("MSM DRM Driver");
1019 MODULE_LICENSE("GPL");