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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/panfrost/panfrost_drv.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_drv.c')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_drv.c706
1 files changed, 706 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
new file mode 100644
index 000000000..919e6cc04
--- /dev/null
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -0,0 +1,706 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */
+/* Copyright 2019 Linaro, Ltd., Rob Herring <robh@kernel.org> */
+/* Copyright 2019 Collabora ltd. */
+
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/pagemap.h>
+#include <linux/pm_runtime.h>
+#include <drm/panfrost_drm.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_syncobj.h>
+#include <drm/drm_utils.h>
+
+#include "panfrost_device.h"
+#include "panfrost_gem.h"
+#include "panfrost_mmu.h"
+#include "panfrost_job.h"
+#include "panfrost_gpu.h"
+#include "panfrost_perfcnt.h"
+
+static bool unstable_ioctls;
+module_param_unsafe(unstable_ioctls, bool, 0600);
+
+static int panfrost_ioctl_get_param(struct drm_device *ddev, void *data, struct drm_file *file)
+{
+ struct drm_panfrost_get_param *param = data;
+ struct panfrost_device *pfdev = ddev->dev_private;
+
+ if (param->pad != 0)
+ return -EINVAL;
+
+#define PANFROST_FEATURE(name, member) \
+ case DRM_PANFROST_PARAM_ ## name: \
+ param->value = pfdev->features.member; \
+ break
+#define PANFROST_FEATURE_ARRAY(name, member, max) \
+ case DRM_PANFROST_PARAM_ ## name ## 0 ... \
+ DRM_PANFROST_PARAM_ ## name ## max: \
+ param->value = pfdev->features.member[param->param - \
+ DRM_PANFROST_PARAM_ ## name ## 0]; \
+ break
+
+ switch (param->param) {
+ PANFROST_FEATURE(GPU_PROD_ID, id);
+ PANFROST_FEATURE(GPU_REVISION, revision);
+ PANFROST_FEATURE(SHADER_PRESENT, shader_present);
+ PANFROST_FEATURE(TILER_PRESENT, tiler_present);
+ PANFROST_FEATURE(L2_PRESENT, l2_present);
+ PANFROST_FEATURE(STACK_PRESENT, stack_present);
+ PANFROST_FEATURE(AS_PRESENT, as_present);
+ PANFROST_FEATURE(JS_PRESENT, js_present);
+ PANFROST_FEATURE(L2_FEATURES, l2_features);
+ PANFROST_FEATURE(CORE_FEATURES, core_features);
+ PANFROST_FEATURE(TILER_FEATURES, tiler_features);
+ PANFROST_FEATURE(MEM_FEATURES, mem_features);
+ PANFROST_FEATURE(MMU_FEATURES, mmu_features);
+ PANFROST_FEATURE(THREAD_FEATURES, thread_features);
+ PANFROST_FEATURE(MAX_THREADS, max_threads);
+ PANFROST_FEATURE(THREAD_MAX_WORKGROUP_SZ,
+ thread_max_workgroup_sz);
+ PANFROST_FEATURE(THREAD_MAX_BARRIER_SZ,
+ thread_max_barrier_sz);
+ PANFROST_FEATURE(COHERENCY_FEATURES, coherency_features);
+ PANFROST_FEATURE(AFBC_FEATURES, afbc_features);
+ PANFROST_FEATURE_ARRAY(TEXTURE_FEATURES, texture_features, 3);
+ PANFROST_FEATURE_ARRAY(JS_FEATURES, js_features, 15);
+ PANFROST_FEATURE(NR_CORE_GROUPS, nr_core_groups);
+ PANFROST_FEATURE(THREAD_TLS_ALLOC, thread_tls_alloc);
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int panfrost_ioctl_create_bo(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct panfrost_file_priv *priv = file->driver_priv;
+ struct panfrost_gem_object *bo;
+ struct drm_panfrost_create_bo *args = data;
+ struct panfrost_gem_mapping *mapping;
+ int ret;
+
+ if (!args->size || args->pad ||
+ (args->flags & ~(PANFROST_BO_NOEXEC | PANFROST_BO_HEAP)))
+ return -EINVAL;
+
+ /* Heaps should never be executable */
+ if ((args->flags & PANFROST_BO_HEAP) &&
+ !(args->flags & PANFROST_BO_NOEXEC))
+ return -EINVAL;
+
+ bo = panfrost_gem_create(dev, args->size, args->flags);
+ if (IS_ERR(bo))
+ return PTR_ERR(bo);
+
+ ret = drm_gem_handle_create(file, &bo->base.base, &args->handle);
+ if (ret)
+ goto out;
+
+ mapping = panfrost_gem_mapping_get(bo, priv);
+ if (mapping) {
+ args->offset = mapping->mmnode.start << PAGE_SHIFT;
+ panfrost_gem_mapping_put(mapping);
+ } else {
+ /* This can only happen if the handle from
+ * drm_gem_handle_create() has already been guessed and freed
+ * by user space
+ */
+ ret = -EINVAL;
+ }
+
+out:
+ drm_gem_object_put(&bo->base.base);
+ return ret;
+}
+
+/**
+ * panfrost_lookup_bos() - Sets up job->bo[] with the GEM objects
+ * referenced by the job.
+ * @dev: DRM device
+ * @file_priv: DRM file for this fd
+ * @args: IOCTL args
+ * @job: job being set up
+ *
+ * Resolve handles from userspace to BOs and attach them to job.
+ *
+ * Note that this function doesn't need to unreference the BOs on
+ * failure, because that will happen at panfrost_job_cleanup() time.
+ */
+static int
+panfrost_lookup_bos(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct drm_panfrost_submit *args,
+ struct panfrost_job *job)
+{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct panfrost_gem_object *bo;
+ unsigned int i;
+ int ret;
+
+ job->bo_count = args->bo_handle_count;
+
+ if (!job->bo_count)
+ return 0;
+
+ ret = drm_gem_objects_lookup(file_priv,
+ (void __user *)(uintptr_t)args->bo_handles,
+ job->bo_count, &job->bos);
+ if (ret)
+ return ret;
+
+ job->mappings = kvmalloc_array(job->bo_count,
+ sizeof(struct panfrost_gem_mapping *),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!job->mappings)
+ return -ENOMEM;
+
+ for (i = 0; i < job->bo_count; i++) {
+ struct panfrost_gem_mapping *mapping;
+
+ bo = to_panfrost_bo(job->bos[i]);
+ mapping = panfrost_gem_mapping_get(bo, priv);
+ if (!mapping) {
+ ret = -EINVAL;
+ break;
+ }
+
+ atomic_inc(&bo->gpu_usecount);
+ job->mappings[i] = mapping;
+ }
+
+ return ret;
+}
+
+/**
+ * panfrost_copy_in_sync() - Sets up job->deps with the sync objects
+ * referenced by the job.
+ * @dev: DRM device
+ * @file_priv: DRM file for this fd
+ * @args: IOCTL args
+ * @job: job being set up
+ *
+ * Resolve syncobjs from userspace to fences and attach them to job.
+ *
+ * Note that this function doesn't need to unreference the fences on
+ * failure, because that will happen at panfrost_job_cleanup() time.
+ */
+static int
+panfrost_copy_in_sync(struct drm_device *dev,
+ struct drm_file *file_priv,
+ struct drm_panfrost_submit *args,
+ struct panfrost_job *job)
+{
+ u32 *handles;
+ int ret = 0;
+ int i, in_fence_count;
+
+ in_fence_count = args->in_sync_count;
+
+ if (!in_fence_count)
+ return 0;
+
+ handles = kvmalloc_array(in_fence_count, sizeof(u32), GFP_KERNEL);
+ if (!handles) {
+ ret = -ENOMEM;
+ DRM_DEBUG("Failed to allocate incoming syncobj handles\n");
+ goto fail;
+ }
+
+ if (copy_from_user(handles,
+ (void __user *)(uintptr_t)args->in_syncs,
+ in_fence_count * sizeof(u32))) {
+ ret = -EFAULT;
+ DRM_DEBUG("Failed to copy in syncobj handles\n");
+ goto fail;
+ }
+
+ for (i = 0; i < in_fence_count; i++) {
+ struct dma_fence *fence;
+
+ ret = drm_syncobj_find_fence(file_priv, handles[i], 0, 0,
+ &fence);
+ if (ret)
+ goto fail;
+
+ ret = drm_sched_job_add_dependency(&job->base, fence);
+
+ if (ret)
+ goto fail;
+ }
+
+fail:
+ kvfree(handles);
+ return ret;
+}
+
+static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct panfrost_device *pfdev = dev->dev_private;
+ struct panfrost_file_priv *file_priv = file->driver_priv;
+ struct drm_panfrost_submit *args = data;
+ struct drm_syncobj *sync_out = NULL;
+ struct panfrost_job *job;
+ int ret = 0, slot;
+
+ if (!args->jc)
+ return -EINVAL;
+
+ if (args->requirements && args->requirements != PANFROST_JD_REQ_FS)
+ return -EINVAL;
+
+ if (args->out_sync > 0) {
+ sync_out = drm_syncobj_find(file, args->out_sync);
+ if (!sync_out)
+ return -ENODEV;
+ }
+
+ job = kzalloc(sizeof(*job), GFP_KERNEL);
+ if (!job) {
+ ret = -ENOMEM;
+ goto out_put_syncout;
+ }
+
+ kref_init(&job->refcount);
+
+ job->pfdev = pfdev;
+ job->jc = args->jc;
+ job->requirements = args->requirements;
+ job->flush_id = panfrost_gpu_get_latest_flush_id(pfdev);
+ job->mmu = file_priv->mmu;
+
+ slot = panfrost_job_get_slot(job);
+
+ ret = drm_sched_job_init(&job->base,
+ &file_priv->sched_entity[slot],
+ NULL);
+ if (ret)
+ goto out_put_job;
+
+ ret = panfrost_copy_in_sync(dev, file, args, job);
+ if (ret)
+ goto out_cleanup_job;
+
+ ret = panfrost_lookup_bos(dev, file, args, job);
+ if (ret)
+ goto out_cleanup_job;
+
+ ret = panfrost_job_push(job);
+ if (ret)
+ goto out_cleanup_job;
+
+ /* Update the return sync object for the job */
+ if (sync_out)
+ drm_syncobj_replace_fence(sync_out, job->render_done_fence);
+
+out_cleanup_job:
+ if (ret)
+ drm_sched_job_cleanup(&job->base);
+out_put_job:
+ panfrost_job_put(job);
+out_put_syncout:
+ if (sync_out)
+ drm_syncobj_put(sync_out);
+
+ return ret;
+}
+
+static int
+panfrost_ioctl_wait_bo(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ long ret;
+ struct drm_panfrost_wait_bo *args = data;
+ struct drm_gem_object *gem_obj;
+ unsigned long timeout = drm_timeout_abs_to_jiffies(args->timeout_ns);
+
+ if (args->pad)
+ return -EINVAL;
+
+ gem_obj = drm_gem_object_lookup(file_priv, args->handle);
+ if (!gem_obj)
+ return -ENOENT;
+
+ ret = dma_resv_wait_timeout(gem_obj->resv, DMA_RESV_USAGE_READ,
+ true, timeout);
+ if (!ret)
+ ret = timeout ? -ETIMEDOUT : -EBUSY;
+
+ drm_gem_object_put(gem_obj);
+
+ return ret;
+}
+
+static int panfrost_ioctl_mmap_bo(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_panfrost_mmap_bo *args = data;
+ struct drm_gem_object *gem_obj;
+ int ret;
+
+ if (args->flags != 0) {
+ DRM_INFO("unknown mmap_bo flags: %d\n", args->flags);
+ return -EINVAL;
+ }
+
+ gem_obj = drm_gem_object_lookup(file_priv, args->handle);
+ if (!gem_obj) {
+ DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
+ return -ENOENT;
+ }
+
+ /* Don't allow mmapping of heap objects as pages are not pinned. */
+ if (to_panfrost_bo(gem_obj)->is_heap) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = drm_gem_create_mmap_offset(gem_obj);
+ if (ret == 0)
+ args->offset = drm_vma_node_offset_addr(&gem_obj->vma_node);
+
+out:
+ drm_gem_object_put(gem_obj);
+ return ret;
+}
+
+static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct drm_panfrost_get_bo_offset *args = data;
+ struct panfrost_gem_mapping *mapping;
+ struct drm_gem_object *gem_obj;
+ struct panfrost_gem_object *bo;
+
+ gem_obj = drm_gem_object_lookup(file_priv, args->handle);
+ if (!gem_obj) {
+ DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
+ return -ENOENT;
+ }
+ bo = to_panfrost_bo(gem_obj);
+
+ mapping = panfrost_gem_mapping_get(bo, priv);
+ drm_gem_object_put(gem_obj);
+
+ if (!mapping)
+ return -EINVAL;
+
+ args->offset = mapping->mmnode.start << PAGE_SHIFT;
+ panfrost_gem_mapping_put(mapping);
+ return 0;
+}
+
+static int panfrost_ioctl_madvise(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct drm_panfrost_madvise *args = data;
+ struct panfrost_device *pfdev = dev->dev_private;
+ struct drm_gem_object *gem_obj;
+ struct panfrost_gem_object *bo;
+ int ret = 0;
+
+ gem_obj = drm_gem_object_lookup(file_priv, args->handle);
+ if (!gem_obj) {
+ DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle);
+ return -ENOENT;
+ }
+
+ bo = to_panfrost_bo(gem_obj);
+
+ mutex_lock(&pfdev->shrinker_lock);
+ mutex_lock(&bo->mappings.lock);
+ if (args->madv == PANFROST_MADV_DONTNEED) {
+ struct panfrost_gem_mapping *first;
+
+ first = list_first_entry(&bo->mappings.list,
+ struct panfrost_gem_mapping,
+ node);
+
+ /*
+ * If we want to mark the BO purgeable, there must be only one
+ * user: the caller FD.
+ * We could do something smarter and mark the BO purgeable only
+ * when all its users have marked it purgeable, but globally
+ * visible/shared BOs are likely to never be marked purgeable
+ * anyway, so let's not bother.
+ */
+ if (!list_is_singular(&bo->mappings.list) ||
+ WARN_ON_ONCE(first->mmu != priv->mmu)) {
+ ret = -EINVAL;
+ goto out_unlock_mappings;
+ }
+ }
+
+ args->retained = drm_gem_shmem_madvise(&bo->base, args->madv);
+
+ if (args->retained) {
+ if (args->madv == PANFROST_MADV_DONTNEED)
+ list_move_tail(&bo->base.madv_list,
+ &pfdev->shrinker_list);
+ else if (args->madv == PANFROST_MADV_WILLNEED)
+ list_del_init(&bo->base.madv_list);
+ }
+
+out_unlock_mappings:
+ mutex_unlock(&bo->mappings.lock);
+ mutex_unlock(&pfdev->shrinker_lock);
+
+ drm_gem_object_put(gem_obj);
+ return ret;
+}
+
+int panfrost_unstable_ioctl_check(void)
+{
+ if (!unstable_ioctls)
+ return -ENOSYS;
+
+ return 0;
+}
+
+static int
+panfrost_open(struct drm_device *dev, struct drm_file *file)
+{
+ int ret;
+ struct panfrost_device *pfdev = dev->dev_private;
+ struct panfrost_file_priv *panfrost_priv;
+
+ panfrost_priv = kzalloc(sizeof(*panfrost_priv), GFP_KERNEL);
+ if (!panfrost_priv)
+ return -ENOMEM;
+
+ panfrost_priv->pfdev = pfdev;
+ file->driver_priv = panfrost_priv;
+
+ panfrost_priv->mmu = panfrost_mmu_ctx_create(pfdev);
+ if (IS_ERR(panfrost_priv->mmu)) {
+ ret = PTR_ERR(panfrost_priv->mmu);
+ goto err_free;
+ }
+
+ ret = panfrost_job_open(panfrost_priv);
+ if (ret)
+ goto err_job;
+
+ return 0;
+
+err_job:
+ panfrost_mmu_ctx_put(panfrost_priv->mmu);
+err_free:
+ kfree(panfrost_priv);
+ return ret;
+}
+
+static void
+panfrost_postclose(struct drm_device *dev, struct drm_file *file)
+{
+ struct panfrost_file_priv *panfrost_priv = file->driver_priv;
+
+ panfrost_perfcnt_close(file);
+ panfrost_job_close(panfrost_priv);
+
+ panfrost_mmu_ctx_put(panfrost_priv->mmu);
+ kfree(panfrost_priv);
+}
+
+static const struct drm_ioctl_desc panfrost_drm_driver_ioctls[] = {
+#define PANFROST_IOCTL(n, func, flags) \
+ DRM_IOCTL_DEF_DRV(PANFROST_##n, panfrost_ioctl_##func, flags)
+
+ PANFROST_IOCTL(SUBMIT, submit, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(WAIT_BO, wait_bo, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(CREATE_BO, create_bo, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(MMAP_BO, mmap_bo, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(GET_PARAM, get_param, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(GET_BO_OFFSET, get_bo_offset, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(PERFCNT_ENABLE, perfcnt_enable, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(PERFCNT_DUMP, perfcnt_dump, DRM_RENDER_ALLOW),
+ PANFROST_IOCTL(MADVISE, madvise, DRM_RENDER_ALLOW),
+};
+
+DEFINE_DRM_GEM_FOPS(panfrost_drm_driver_fops);
+
+/*
+ * Panfrost driver version:
+ * - 1.0 - initial interface
+ * - 1.1 - adds HEAP and NOEXEC flags for CREATE_BO
+ * - 1.2 - adds AFBC_FEATURES query
+ */
+static const struct drm_driver panfrost_drm_driver = {
+ .driver_features = DRIVER_RENDER | DRIVER_GEM | DRIVER_SYNCOBJ,
+ .open = panfrost_open,
+ .postclose = panfrost_postclose,
+ .ioctls = panfrost_drm_driver_ioctls,
+ .num_ioctls = ARRAY_SIZE(panfrost_drm_driver_ioctls),
+ .fops = &panfrost_drm_driver_fops,
+ .name = "panfrost",
+ .desc = "panfrost DRM",
+ .date = "20180908",
+ .major = 1,
+ .minor = 2,
+
+ .gem_create_object = panfrost_gem_create_object,
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_import_sg_table = panfrost_gem_prime_import_sg_table,
+ .gem_prime_mmap = drm_gem_prime_mmap,
+};
+
+static int panfrost_probe(struct platform_device *pdev)
+{
+ struct panfrost_device *pfdev;
+ struct drm_device *ddev;
+ int err;
+
+ pfdev = devm_kzalloc(&pdev->dev, sizeof(*pfdev), GFP_KERNEL);
+ if (!pfdev)
+ return -ENOMEM;
+
+ pfdev->pdev = pdev;
+ pfdev->dev = &pdev->dev;
+
+ platform_set_drvdata(pdev, pfdev);
+
+ pfdev->comp = of_device_get_match_data(&pdev->dev);
+ if (!pfdev->comp)
+ return -ENODEV;
+
+ pfdev->coherent = device_get_dma_attr(&pdev->dev) == DEV_DMA_COHERENT;
+
+ /* Allocate and initialize the DRM device. */
+ ddev = drm_dev_alloc(&panfrost_drm_driver, &pdev->dev);
+ if (IS_ERR(ddev))
+ return PTR_ERR(ddev);
+
+ ddev->dev_private = pfdev;
+ pfdev->ddev = ddev;
+
+ mutex_init(&pfdev->shrinker_lock);
+ INIT_LIST_HEAD(&pfdev->shrinker_list);
+
+ err = panfrost_device_init(pfdev);
+ if (err) {
+ if (err != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "Fatal error during GPU init\n");
+ goto err_out0;
+ }
+
+ pm_runtime_set_active(pfdev->dev);
+ pm_runtime_mark_last_busy(pfdev->dev);
+ pm_runtime_enable(pfdev->dev);
+ pm_runtime_set_autosuspend_delay(pfdev->dev, 50); /* ~3 frames */
+ pm_runtime_use_autosuspend(pfdev->dev);
+
+ /*
+ * Register the DRM device with the core and the connectors with
+ * sysfs
+ */
+ err = drm_dev_register(ddev, 0);
+ if (err < 0)
+ goto err_out1;
+
+ panfrost_gem_shrinker_init(ddev);
+
+ return 0;
+
+err_out1:
+ pm_runtime_disable(pfdev->dev);
+ panfrost_device_fini(pfdev);
+ pm_runtime_set_suspended(pfdev->dev);
+err_out0:
+ drm_dev_put(ddev);
+ return err;
+}
+
+static int panfrost_remove(struct platform_device *pdev)
+{
+ struct panfrost_device *pfdev = platform_get_drvdata(pdev);
+ struct drm_device *ddev = pfdev->ddev;
+
+ drm_dev_unregister(ddev);
+ panfrost_gem_shrinker_cleanup(ddev);
+
+ pm_runtime_get_sync(pfdev->dev);
+ pm_runtime_disable(pfdev->dev);
+ panfrost_device_fini(pfdev);
+ pm_runtime_set_suspended(pfdev->dev);
+
+ drm_dev_put(ddev);
+ return 0;
+}
+
+/*
+ * The OPP core wants the supply names to be NULL terminated, but we need the
+ * correct num_supplies value for regulator core. Hence, we NULL terminate here
+ * and then initialize num_supplies with ARRAY_SIZE - 1.
+ */
+static const char * const default_supplies[] = { "mali", NULL };
+static const struct panfrost_compatible default_data = {
+ .num_supplies = ARRAY_SIZE(default_supplies) - 1,
+ .supply_names = default_supplies,
+ .num_pm_domains = 1, /* optional */
+ .pm_domain_names = NULL,
+};
+
+static const struct panfrost_compatible amlogic_data = {
+ .num_supplies = ARRAY_SIZE(default_supplies) - 1,
+ .supply_names = default_supplies,
+ .vendor_quirk = panfrost_gpu_amlogic_quirk,
+};
+
+static const char * const mediatek_mt8183_supplies[] = { "mali", "sram", NULL };
+static const char * const mediatek_mt8183_pm_domains[] = { "core0", "core1", "core2" };
+static const struct panfrost_compatible mediatek_mt8183_data = {
+ .num_supplies = ARRAY_SIZE(mediatek_mt8183_supplies) - 1,
+ .supply_names = mediatek_mt8183_supplies,
+ .num_pm_domains = ARRAY_SIZE(mediatek_mt8183_pm_domains),
+ .pm_domain_names = mediatek_mt8183_pm_domains,
+};
+
+static const struct of_device_id dt_match[] = {
+ /* Set first to probe before the generic compatibles */
+ { .compatible = "amlogic,meson-gxm-mali",
+ .data = &amlogic_data, },
+ { .compatible = "amlogic,meson-g12a-mali",
+ .data = &amlogic_data, },
+ { .compatible = "arm,mali-t604", .data = &default_data, },
+ { .compatible = "arm,mali-t624", .data = &default_data, },
+ { .compatible = "arm,mali-t628", .data = &default_data, },
+ { .compatible = "arm,mali-t720", .data = &default_data, },
+ { .compatible = "arm,mali-t760", .data = &default_data, },
+ { .compatible = "arm,mali-t820", .data = &default_data, },
+ { .compatible = "arm,mali-t830", .data = &default_data, },
+ { .compatible = "arm,mali-t860", .data = &default_data, },
+ { .compatible = "arm,mali-t880", .data = &default_data, },
+ { .compatible = "arm,mali-bifrost", .data = &default_data, },
+ { .compatible = "arm,mali-valhall-jm", .data = &default_data, },
+ { .compatible = "mediatek,mt8183-mali", .data = &mediatek_mt8183_data },
+ {}
+};
+MODULE_DEVICE_TABLE(of, dt_match);
+
+static const struct dev_pm_ops panfrost_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(panfrost_device_suspend, panfrost_device_resume, NULL)
+};
+
+static struct platform_driver panfrost_driver = {
+ .probe = panfrost_probe,
+ .remove = panfrost_remove,
+ .driver = {
+ .name = "panfrost",
+ .pm = &panfrost_pm_ops,
+ .of_match_table = dt_match,
+ },
+};
+module_platform_driver(panfrost_driver);
+
+MODULE_AUTHOR("Panfrost Project Developers");
+MODULE_DESCRIPTION("Panfrost DRM Driver");
+MODULE_LICENSE("GPL v2");