Merge branch 'drm-vmware-next' into drm-core-next (ade51015) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

+53 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,10 @@
		#define VMWGFX_CHIP_SVGAII 0
		#define VMW_FB_RESERVATION 0

		#define VMW_MIN_INITIAL_WIDTH 800
		#define VMW_MIN_INITIAL_HEIGHT 600


		/**
		* Fully encoded drm commands. Might move to vmw_drm.h
		*/
		@@ -387,6 +391,41 @@ void vmw_3d_resource_dec(struct vmw_private *dev_priv,
		BUG_ON(n3d < 0);
		}

		/**
		* Sets the initial_[width\|height] fields on the given vmw_private.
		*
		* It does so by reading SVGA_REG_[WIDTH\|HEIGHT] regs and then
		* clamping the value to fb_max_[width\|height] fields and the
		* VMW_MIN_INITIAL_[WIDTH\|HEIGHT].
		* If the values appear to be invalid, set them to
		* VMW_MIN_INITIAL_[WIDTH\|HEIGHT].
		*/
		static void vmw_get_initial_size(struct vmw_private *dev_priv)
		{
		uint32_t width;
		uint32_t height;

		width = vmw_read(dev_priv, SVGA_REG_WIDTH);
		height = vmw_read(dev_priv, SVGA_REG_HEIGHT);

		width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
		height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);

		if (width > dev_priv->fb_max_width \|\|
		height > dev_priv->fb_max_height) {

		/*
		* This is a host error and shouldn't occur.
		*/

		width = VMW_MIN_INITIAL_WIDTH;
		height = VMW_MIN_INITIAL_HEIGHT;
		}

		dev_priv->initial_width = width;
		dev_priv->initial_height = height;
		}

		static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
		{
		struct vmw_private *dev_priv;
		@@ -441,6 +480,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
		dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
		dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
		dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);

		vmw_get_initial_size(dev_priv);

		if (dev_priv->capabilities & SVGA_CAP_GMR) {
		dev_priv->max_gmr_descriptors =
		vmw_read(dev_priv,
		@@ -688,6 +730,15 @@ static int vmw_driver_unload(struct drm_device *dev)
		return 0;
		}

		static void vmw_preclose(struct drm_device *dev,
		struct drm_file *file_priv)
		{
		struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
		struct vmw_private *dev_priv = vmw_priv(dev);

		vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
		}

		static void vmw_postclose(struct drm_device *dev,
		struct drm_file *file_priv)
		{
		@@ -710,6 +761,7 @@ static int vmw_driver_open(struct drm_device dev, struct drm_file file_priv)
		if (unlikely(vmw_fp == NULL))
		return ret;

		INIT_LIST_HEAD(&vmw_fp->fence_events);
		vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
		if (unlikely(vmw_fp->tfile == NULL))
		goto out_no_tfile;
		@@ -1102,6 +1154,7 @@ static struct drm_driver driver = {
		.master_set = vmw_master_set,
		.master_drop = vmw_master_drop,
		.open = vmw_driver_open,
		.preclose = vmw_preclose,
		.postclose = vmw_postclose,
		.fops = &vmwgfx_driver_fops,
		.name = VMWGFX_DRIVER_NAME,

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

+7 −3

Original line number	Diff line number	Diff line
		@@ -40,9 +40,9 @@
		#include "ttm/ttm_module.h"
		#include "vmwgfx_fence.h"

		#define VMWGFX_DRIVER_DATE "20111025"
		#define VMWGFX_DRIVER_DATE "20120209"
		#define VMWGFX_DRIVER_MAJOR 2
		#define VMWGFX_DRIVER_MINOR 3
		#define VMWGFX_DRIVER_MINOR 4
		#define VMWGFX_DRIVER_PATCHLEVEL 0
		#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
		#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
		@@ -62,6 +62,7 @@
		struct vmw_fpriv {
		struct drm_master *locked_master;
		struct ttm_object_file *tfile;
		struct list_head fence_events;
		};

		struct vmw_dma_buffer {
		@@ -202,6 +203,8 @@ struct vmw_private {
		uint32_t mmio_size;
		uint32_t fb_max_width;
		uint32_t fb_max_height;
		uint32_t initial_width;
		uint32_t initial_height;
		__le32 __iomem *mmio_virt;
		int mmio_mtrr;
		uint32_t capabilities;
		@@ -533,7 +536,8 @@ extern int vmw_execbuf_process(struct drm_file *file_priv,
		uint32_t command_size,
		uint64_t throttle_us,
		struct drm_vmw_fence_rep __user
		*user_fence_rep);
		*user_fence_rep,
		struct vmw_fence_obj **out_fence);

		extern void
		vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

+11 −4

Original line number	Diff line number	Diff line
		@@ -1109,10 +1109,11 @@ int vmw_execbuf_process(struct drm_file *file_priv,
		void *kernel_commands,
		uint32_t command_size,
		uint64_t throttle_us,
		struct drm_vmw_fence_rep __user *user_fence_rep)
		struct drm_vmw_fence_rep __user *user_fence_rep,
		struct vmw_fence_obj **out_fence)
		{
		struct vmw_sw_context *sw_context = &dev_priv->ctx;
		struct vmw_fence_obj *fence;
		struct vmw_fence_obj *fence = NULL;
		uint32_t handle;
		void *cmd;
		int ret;
		@@ -1208,8 +1209,13 @@ int vmw_execbuf_process(struct drm_file *file_priv,
		vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
		user_fence_rep, fence, handle);

		if (likely(fence != NULL))
		/* Don't unreference when handing fence out */
		if (unlikely(out_fence != NULL)) {
		*out_fence = fence;
		fence = NULL;
		} else if (likely(fence != NULL)) {
		vmw_fence_obj_unreference(&fence);
		}

		mutex_unlock(&dev_priv->cmdbuf_mutex);
		return 0;
		@@ -1362,7 +1368,8 @@ int vmw_execbuf_ioctl(struct drm_device dev, void data,
		ret = vmw_execbuf_process(file_priv, dev_priv,
		(void __user *)(unsigned long)arg->commands,
		NULL, arg->command_size, arg->throttle_us,
		(void __user *)(unsigned long)arg->fence_rep);
		(void __user *)(unsigned long)arg->fence_rep,
		NULL);

		if (unlikely(ret != 0))
		goto out_unlock;

drivers/gpu/drm/vmwgfx/vmwgfx_fb.c

+2 −6

Original line number	Diff line number	Diff line
		@@ -414,10 +414,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
		unsigned fb_bpp, fb_depth, fb_offset, fb_pitch, fb_size;
		int ret;

		/* XXX These shouldn't be hardcoded. */
		initial_width = 800;
		initial_height = 600;

		fb_bpp = 32;
		fb_depth = 24;

		@@ -425,8 +421,8 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
		fb_width = min(vmw_priv->fb_max_width, (unsigned)2048);
		fb_height = min(vmw_priv->fb_max_height, (unsigned)2048);

		initial_width = min(fb_width, initial_width);
		initial_height = min(fb_height, initial_height);
		initial_width = min(vmw_priv->initial_width, fb_width);
		initial_height = min(vmw_priv->initial_height, fb_height);

		fb_pitch = fb_width * fb_bpp / 8;
		fb_size = fb_pitch * fb_height;

drivers/gpu/drm/vmwgfx/vmwgfx_fence.c

+141 −111

Original line number	Diff line number	Diff line
		@@ -69,12 +69,13 @@ struct vmw_user_fence {
		* be assigned the current time tv_usec val when the fence signals.
		*/
		struct vmw_event_fence_action {
		struct drm_pending_event e;
		struct vmw_fence_action action;
		struct list_head fpriv_head;

		struct drm_pending_event *event;
		struct vmw_fence_obj *fence;
		struct drm_device *dev;
		struct kref kref;
		uint32_t size;

		uint32_t *tv_sec;
		uint32_t *tv_usec;
		};
		@@ -784,46 +785,40 @@ int vmw_fence_obj_unref_ioctl(struct drm_device dev, void data,
		}

		/**
		* vmw_event_fence_action_destroy
		* vmw_event_fence_fpriv_gone - Remove references to struct drm_file objects
		*
		* @kref: The struct kref embedded in a struct vmw_event_fence_action.
		* @fman: Pointer to a struct vmw_fence_manager
		* @event_list: Pointer to linked list of struct vmw_event_fence_action objects
		* with pointers to a struct drm_file object about to be closed.
		*
		* The vmw_event_fence_action destructor that may be called either after
		* the fence action cleanup, or when the event is delivered.
		* It frees both the vmw_event_fence_action struct and the actual
		* event structure copied to user-space.
		* This function removes all pending fence events with references to a
		* specific struct drm_file object about to be closed. The caller is required
		* to pass a list of all struct vmw_event_fence_action objects with such
		* events attached. This function is typically called before the
		* struct drm_file object's event management is taken down.
		*/
		static void vmw_event_fence_action_destroy(struct kref *kref)
		void vmw_event_fence_fpriv_gone(struct vmw_fence_manager *fman,
		struct list_head *event_list)
		{
		struct vmw_event_fence_action *eaction =
		container_of(kref, struct vmw_event_fence_action, kref);
		struct ttm_mem_global *mem_glob =
		vmw_mem_glob(vmw_priv(eaction->dev));
		uint32_t size = eaction->size;
		struct vmw_event_fence_action *eaction;
		struct drm_pending_event *event;
		unsigned long irq_flags;

		kfree(eaction->e.event);
		kfree(eaction);
		ttm_mem_global_free(mem_glob, size);
		while (1) {
		spin_lock_irqsave(&fman->lock, irq_flags);
		if (list_empty(event_list))
		goto out_unlock;
		eaction = list_first_entry(event_list,
		struct vmw_event_fence_action,
		fpriv_head);
		list_del_init(&eaction->fpriv_head);
		event = eaction->event;
		eaction->event = NULL;
		spin_unlock_irqrestore(&fman->lock, irq_flags);
		event->destroy(event);
		}


		/**
		* vmw_event_fence_action_delivered
		*
		* @e: The struct drm_pending_event embedded in a struct
		* vmw_event_fence_action.
		*
		* The struct drm_pending_event destructor that is called by drm
		* once the event is delivered. Since we don't know whether this function
		* will be called before or after the fence action destructor, we
		* free a refcount and destroy if it becomes zero.
		*/
		static void vmw_event_fence_action_delivered(struct drm_pending_event *e)
		{
		struct vmw_event_fence_action *eaction =
		container_of(e, struct vmw_event_fence_action, e);

		kref_put(&eaction->kref, vmw_event_fence_action_destroy);
		out_unlock:
		spin_unlock_irqrestore(&fman->lock, irq_flags);
		}


		@@ -836,18 +831,21 @@ static void vmw_event_fence_action_delivered(struct drm_pending_event *e)
		* This function is called when the seqno of the fence where @action is
		* attached has passed. It queues the event on the submitter's event list.
		* This function is always called from atomic context, and may be called
		* from irq context. It ups a refcount reflecting that we now have two
		* destructors.
		* from irq context.
		*/
		static void vmw_event_fence_action_seq_passed(struct vmw_fence_action *action)
		{
		struct vmw_event_fence_action *eaction =
		container_of(action, struct vmw_event_fence_action, action);
		struct drm_device *dev = eaction->dev;
		struct drm_file *file_priv = eaction->e.file_priv;
		struct drm_pending_event *event = eaction->event;
		struct drm_file *file_priv;
		unsigned long irq_flags;

		kref_get(&eaction->kref);
		if (unlikely(event == NULL))
		return;

		file_priv = event->file_priv;
		spin_lock_irqsave(&dev->event_lock, irq_flags);

		if (likely(eaction->tv_sec != NULL)) {
		@@ -858,7 +856,9 @@ static void vmw_event_fence_action_seq_passed(struct vmw_fence_action *action)
		*eaction->tv_usec = tv.tv_usec;
		}

		list_add_tail(&eaction->e.link, &file_priv->event_list);
		list_del_init(&eaction->fpriv_head);
		list_add_tail(&eaction->event->link, &file_priv->event_list);
		eaction->event = NULL;
		wake_up_all(&file_priv->event_wait);
		spin_unlock_irqrestore(&dev->event_lock, irq_flags);
		}
		@@ -876,9 +876,15 @@ static void vmw_event_fence_action_cleanup(struct vmw_fence_action *action)
		{
		struct vmw_event_fence_action *eaction =
		container_of(action, struct vmw_event_fence_action, action);
		struct vmw_fence_manager *fman = eaction->fence->fman;
		unsigned long irq_flags;

		spin_lock_irqsave(&fman->lock, irq_flags);
		list_del(&eaction->fpriv_head);
		spin_unlock_irqrestore(&fman->lock, irq_flags);

		vmw_fence_obj_unreference(&eaction->fence);
		kref_put(&eaction->kref, vmw_event_fence_action_destroy);
		kfree(eaction);
		}


		@@ -946,39 +952,23 @@ void vmw_fence_obj_add_action(struct vmw_fence_obj *fence,
		* an error code, the caller needs to free that object.
		*/

		int vmw_event_fence_action_create(struct drm_file *file_priv,
		int vmw_event_fence_action_queue(struct drm_file *file_priv,
		struct vmw_fence_obj *fence,
		struct drm_event *event,
		struct drm_pending_event *event,
		uint32_t *tv_sec,
		uint32_t *tv_usec,
		bool interruptible)
		{
		struct vmw_event_fence_action *eaction;
		struct ttm_mem_global *mem_glob =
		vmw_mem_glob(fence->fman->dev_priv);
		struct vmw_fence_manager *fman = fence->fman;
		uint32_t size = fman->event_fence_action_size +
		ttm_round_pot(event->length);
		int ret;

		/*
		* Account for internal structure size as well as the
		* event size itself.
		*/

		ret = ttm_mem_global_alloc(mem_glob, size, false, interruptible);
		if (unlikely(ret != 0))
		return ret;
		struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
		unsigned long irq_flags;

		eaction = kzalloc(sizeof(*eaction), GFP_KERNEL);
		if (unlikely(eaction == NULL)) {
		ttm_mem_global_free(mem_glob, size);
		if (unlikely(eaction == NULL))
		return -ENOMEM;
		}

		eaction->e.event = event;
		eaction->e.file_priv = file_priv;
		eaction->e.destroy = vmw_event_fence_action_delivered;
		eaction->event = event;

		eaction->action.seq_passed = vmw_event_fence_action_seq_passed;
		eaction->action.cleanup = vmw_event_fence_action_cleanup;
		@@ -986,16 +976,89 @@ int vmw_event_fence_action_create(struct drm_file *file_priv,

		eaction->fence = vmw_fence_obj_reference(fence);
		eaction->dev = fman->dev_priv->dev;
		eaction->size = size;
		eaction->tv_sec = tv_sec;
		eaction->tv_usec = tv_usec;

		kref_init(&eaction->kref);
		spin_lock_irqsave(&fman->lock, irq_flags);
		list_add_tail(&eaction->fpriv_head, &vmw_fp->fence_events);
		spin_unlock_irqrestore(&fman->lock, irq_flags);

		vmw_fence_obj_add_action(fence, &eaction->action);

		return 0;
		}

		struct vmw_event_fence_pending {
		struct drm_pending_event base;
		struct drm_vmw_event_fence event;
		};

		int vmw_event_fence_action_create(struct drm_file *file_priv,
		struct vmw_fence_obj *fence,
		uint32_t flags,
		uint64_t user_data,
		bool interruptible)
		{
		struct vmw_event_fence_pending *event;
		struct drm_device *dev = fence->fman->dev_priv->dev;
		unsigned long irq_flags;
		int ret;

		spin_lock_irqsave(&dev->event_lock, irq_flags);

		ret = (file_priv->event_space < sizeof(event->event)) ? -EBUSY : 0;
		if (likely(ret == 0))
		file_priv->event_space -= sizeof(event->event);

		spin_unlock_irqrestore(&dev->event_lock, irq_flags);

		if (unlikely(ret != 0)) {
		DRM_ERROR("Failed to allocate event space for this file.\n");
		goto out_no_space;
		}


		event = kzalloc(sizeof(event->event), GFP_KERNEL);
		if (unlikely(event == NULL)) {
		DRM_ERROR("Failed to allocate an event.\n");
		ret = -ENOMEM;
		goto out_no_event;
		}

		event->event.base.type = DRM_VMW_EVENT_FENCE_SIGNALED;
		event->event.base.length = sizeof(*event);
		event->event.user_data = user_data;

		event->base.event = &event->event.base;
		event->base.file_priv = file_priv;
		event->base.destroy = (void () (struct drm_pending_event )) kfree;


		if (flags & DRM_VMW_FE_FLAG_REQ_TIME)
		ret = vmw_event_fence_action_queue(file_priv, fence,
		&event->base,
		&event->event.tv_sec,
		&event->event.tv_usec,
		interruptible);
		else
		ret = vmw_event_fence_action_queue(file_priv, fence,
		&event->base,
		NULL,
		NULL,
		interruptible);
		if (ret != 0)
		goto out_no_queue;

		out_no_queue:
		event->base.destroy(&event->base);
		out_no_event:
		spin_lock_irqsave(&dev->event_lock, irq_flags);
		file_priv->event_space += sizeof(*event);
		spin_unlock_irqrestore(&dev->event_lock, irq_flags);
		out_no_space:
		return ret;
		}

		int vmw_fence_event_ioctl(struct drm_device dev, void data,
		struct drm_file *file_priv)
		{
		@@ -1008,8 +1071,6 @@ int vmw_fence_event_ioctl(struct drm_device dev, void data,
		(struct drm_vmw_fence_rep __user *)(unsigned long)
		arg->fence_rep;
		uint32_t handle;
		unsigned long irq_flags;
		struct drm_vmw_event_fence *event;
		int ret;

		/*
		@@ -1062,59 +1123,28 @@ int vmw_fence_event_ioctl(struct drm_device dev, void data,

		BUG_ON(fence == NULL);

		spin_lock_irqsave(&dev->event_lock, irq_flags);

		ret = (file_priv->event_space < sizeof(*event)) ? -EBUSY : 0;
		if (likely(ret == 0))
		file_priv->event_space -= sizeof(*event);

		spin_unlock_irqrestore(&dev->event_lock, irq_flags);

		if (unlikely(ret != 0)) {
		DRM_ERROR("Failed to allocate event space for this file.\n");
		goto out_no_event_space;
		}

		event = kzalloc(sizeof(*event), GFP_KERNEL);
		if (unlikely(event == NULL)) {
		DRM_ERROR("Failed to allocate an event.\n");
		goto out_no_event;
		}

		event->base.type = DRM_VMW_EVENT_FENCE_SIGNALED;
		event->base.length = sizeof(*event);
		event->user_data = arg->user_data;

		if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME)
		ret = vmw_event_fence_action_create(file_priv, fence,
		&event->base,
		&event->tv_sec,
		&event->tv_usec,
		arg->flags,
		arg->user_data,
		true);
		else
		ret = vmw_event_fence_action_create(file_priv, fence,
		&event->base,
		NULL,
		NULL,
		arg->flags,
		arg->user_data,
		true);

		if (unlikely(ret != 0)) {
		if (ret != -ERESTARTSYS)
		DRM_ERROR("Failed to attach event to fence.\n");
		goto out_no_attach;
		goto out_no_create;
		}

		vmw_execbuf_copy_fence_user(dev_priv, vmw_fp, 0, user_fence_rep, fence,
		handle);
		vmw_fence_obj_unreference(&fence);
		return 0;
		out_no_attach:
		kfree(event);
		out_no_event:
		spin_lock_irqsave(&dev->event_lock, irq_flags);
		file_priv->event_space += sizeof(*event);
		spin_unlock_irqrestore(&dev->event_lock, irq_flags);
		out_no_event_space:
		out_no_create:
		if (user_fence_rep != NULL)
		ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile,
		handle, TTM_REF_USAGE);