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Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next

Browse Source 
A couple of independent patches extracted from the 5.3 pull request, fixed for
merge conflicts and a single unused variable warning.

And the drmP.h removal from Sam.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2019-08-16 12:43:12 +10:00
commit 8120ed5ebd
30 changed files with 265 additions and 396 deletions
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100
drivers/gpu/drm/vmwgfx/ttm_lock.c
View File

@ -29,7 +29,6 @@
* Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
*/
#include <drm/ttm/ttm_module.h>
#include <linux/atomic.h>
#include <linux/errno.h>
#include <linux/wait.h>
@ -49,8 +48,6 @@ void ttm_lock_init(struct ttm_lock *lock)
init_waitqueue_head(&lock->queue);
lock->rw = 0;
lock->flags = 0;
lock->kill_takers = false;
lock->signal = SIGKILL;
}
void ttm_read_unlock(struct ttm_lock *lock)
@ -66,11 +63,6 @@ static bool __ttm_read_lock(struct ttm_lock *lock)
bool locked = false;
spin_lock(&lock->lock);
if (unlikely(lock->kill_takers)) {
send_sig(lock->signal, current, 0);
spin_unlock(&lock->lock);
return false;
}
if (lock->rw >= 0 && lock->flags == 0) {
++lock->rw;
locked = true;
@ -98,11 +90,6 @@ static bool __ttm_read_trylock(struct ttm_lock *lock, bool *locked)
*locked = false;
spin_lock(&lock->lock);
if (unlikely(lock->kill_takers)) {
send_sig(lock->signal, current, 0);
spin_unlock(&lock->lock);
return false;
}
if (lock->rw >= 0 && lock->flags == 0) {
++lock->rw;
block = false;
@ -147,11 +134,6 @@ static bool __ttm_write_lock(struct ttm_lock *lock)
bool locked = false;
spin_lock(&lock->lock);
if (unlikely(lock->kill_takers)) {
send_sig(lock->signal, current, 0);
spin_unlock(&lock->lock);
return false;
}
if (lock->rw == 0 && ((lock->flags & ~TTM_WRITE_LOCK_PENDING) == 0)) {
lock->rw = -1;
lock->flags &= ~TTM_WRITE_LOCK_PENDING;
@ -182,88 +164,6 @@ int ttm_write_lock(struct ttm_lock *lock, bool interruptible)
return ret;
}
static int __ttm_vt_unlock(struct ttm_lock *lock)
{
int ret = 0;
spin_lock(&lock->lock);
if (unlikely(!(lock->flags & TTM_VT_LOCK)))
ret = -EINVAL;
lock->flags &= ~TTM_VT_LOCK;
wake_up_all(&lock->queue);
spin_unlock(&lock->lock);
return ret;
}
static void ttm_vt_lock_remove(struct ttm_base_object **p_base)
{
struct ttm_base_object *base = *p_base;
struct ttm_lock *lock = container_of(base, struct ttm_lock, base);
int ret;
*p_base = NULL;
ret = __ttm_vt_unlock(lock);
BUG_ON(ret != 0);
}
static bool __ttm_vt_lock(struct ttm_lock *lock)
{
bool locked = false;
spin_lock(&lock->lock);
if (lock->rw == 0) {
lock->flags &= ~TTM_VT_LOCK_PENDING;
lock->flags |= TTM_VT_LOCK;
locked = true;
} else {
lock->flags |= TTM_VT_LOCK_PENDING;
}
spin_unlock(&lock->lock);
return locked;
}
int ttm_vt_lock(struct ttm_lock *lock,
bool interruptible,
struct ttm_object_file *tfile)
{
int ret = 0;
if (interruptible) {
ret = wait_event_interruptible(lock->queue,
__ttm_vt_lock(lock));
if (unlikely(ret != 0)) {
spin_lock(&lock->lock);
lock->flags &= ~TTM_VT_LOCK_PENDING;
wake_up_all(&lock->queue);
spin_unlock(&lock->lock);
return ret;
}
} else
wait_event(lock->queue, __ttm_vt_lock(lock));
/*
* Add a base-object, the destructor of which will
* make sure the lock is released if the client dies
* while holding it.
*/
ret = ttm_base_object_init(tfile, &lock->base, false,
ttm_lock_type, &ttm_vt_lock_remove, NULL);
if (ret)
(void)__ttm_vt_unlock(lock);
else
lock->vt_holder = tfile;
return ret;
}
int ttm_vt_unlock(struct ttm_lock *lock)
{
return ttm_ref_object_base_unref(lock->vt_holder,
lock->base.handle, TTM_REF_USAGE);
}
void ttm_suspend_unlock(struct ttm_lock *lock)
{
spin_lock(&lock->lock);

32
drivers/gpu/drm/vmwgfx/ttm_lock.h
View File

@ -49,8 +49,8 @@
#ifndef _TTM_LOCK_H_
#define _TTM_LOCK_H_
#include <linux/wait.h>
#include <linux/atomic.h>
#include <linux/wait.h>
#include "ttm_object.h"
@ -63,8 +63,6 @@
* @lock: Spinlock protecting some lock members.
* @rw: Read-write lock counter. Protected by @lock.
* @flags: Lock state. Protected by @lock.
* @kill_takers: Boolean whether to kill takers of the lock.
* @signal: Signal to send when kill_takers is true.
*/
struct ttm_lock {
@ -73,9 +71,6 @@ struct ttm_lock {
spinlock_t lock;
int32_t rw;
uint32_t flags;
bool kill_takers;
int signal;
struct ttm_object_file *vt_holder;
};
@ -220,29 +215,4 @@ extern void ttm_write_unlock(struct ttm_lock *lock);
*/
extern int ttm_write_lock(struct ttm_lock *lock, bool interruptible);
/**
* ttm_lock_set_kill
*
* @lock: Pointer to a struct ttm_lock
* @val: Boolean whether to kill processes taking the lock.
* @signal: Signal to send to the process taking the lock.
*
* The kill-when-taking-lock functionality is used to kill processes that keep
* on using the TTM functionality when its resources has been taken down, for
* example when the X server exits. A typical sequence would look like this:
* - X server takes lock in write mode.
* - ttm_lock_set_kill() is called with @val set to true.
* - As part of X server exit, TTM resources are taken down.
* - X server releases the lock on file release.
* - Another dri client wants to render, takes the lock and is killed.
*
*/
static inline void ttm_lock_set_kill(struct ttm_lock *lock, bool val,
int signal)
{
lock->kill_takers = val;
if (val)
lock->signal = signal;
}
#endif

9
drivers/gpu/drm/vmwgfx/ttm_object.h
View File

@ -37,11 +37,12 @@
#ifndef _TTM_OBJECT_H_
#define _TTM_OBJECT_H_
#include <linux/list.h>
#include <drm/drm_hashtab.h>
#include <linux/kref.h>
#include <linux/rcupdate.h>
#include <linux/dma-buf.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/rcupdate.h>
#include <drm/drm_hashtab.h>
#include <drm/ttm/ttm_memory.h>
/**

3
drivers/gpu/drm/vmwgfx/vmwgfx_binding.h
View File

@ -27,9 +27,10 @@
#ifndef _VMWGFX_BINDING_H_
#define _VMWGFX_BINDING_H_
#include "device_include/svga3d_reg.h"
#include <linux/list.h>
#include "device_include/svga3d_reg.h"
#define VMW_MAX_VIEW_BINDINGS 128
struct vmw_private;

3
drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
View File

@ -28,7 +28,6 @@
#include <drm/ttm/ttm_placement.h>
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
#include "ttm_object.h"
@ -510,6 +509,8 @@ int vmw_bo_init(struct vmw_private *dev_priv,
acc_size = vmw_bo_acc_size(dev_priv, size, user);
memset(vmw_bo, 0, sizeof(*vmw_bo));
BUILD_BUG_ON(TTM_MAX_BO_PRIORITY <= 3);
vmw_bo->base.priority = 3;
INIT_LIST_HEAD(&vmw_bo->res_list);

3
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
View File

@ -25,6 +25,9 @@
*
**************************************************************************/
#include <linux/dmapool.h>
#include <linux/pci.h>
#include <drm/ttm/ttm_bo_api.h>
#include "vmwgfx_drv.h"

4
drivers/gpu/drm/vmwgfx/vmwgfx_context.c
View File

@ -88,6 +88,8 @@ static const struct vmw_res_func vmw_gb_context_func = {
.res_type = vmw_res_context,
.needs_backup = true,
.may_evict = true,
.prio = 3,
.dirty_prio = 3,
.type_name = "guest backed contexts",
.backup_placement = &vmw_mob_placement,
.create = vmw_gb_context_create,
@ -100,6 +102,8 @@ static const struct vmw_res_func vmw_dx_context_func = {
.res_type = vmw_res_dx_context,
.needs_backup = true,
.may_evict = true,
.prio = 3,
.dirty_prio = 3,
.type_name = "dx contexts",
.backup_placement = &vmw_mob_placement,
.create = vmw_dx_context_create,

13
drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
View File

@ -116,6 +116,8 @@ static const struct vmw_res_func vmw_cotable_func = {
.res_type = vmw_res_cotable,
.needs_backup = true,
.may_evict = true,
.prio = 3,
.dirty_prio = 3,
.type_name = "context guest backed object tables",
.backup_placement = &vmw_mob_placement,
.create = vmw_cotable_create,
@ -307,7 +309,7 @@ static int vmw_cotable_unbind(struct vmw_resource *res,
struct ttm_buffer_object *bo = val_buf->bo;
struct vmw_fence_obj *fence;
if (list_empty(&res->mob_head))
if (!vmw_resource_mob_attached(res))
return 0;
WARN_ON_ONCE(bo->mem.mem_type != VMW_PL_MOB);
@ -453,6 +455,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
goto out_wait;
}
vmw_resource_mob_detach(res);
res->backup = buf;
res->backup_size = new_size;
vcotbl->size_read_back = cur_size_read_back;
@ -467,12 +470,12 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
res->backup = old_buf;
res->backup_size = old_size;
vcotbl->size_read_back = old_size_read_back;
vmw_resource_mob_attach(res);
goto out_wait;
}
vmw_resource_mob_attach(res);
/* Let go of the old mob. */
list_del(&res->mob_head);
list_add_tail(&res->mob_head, &buf->res_list);
vmw_bo_unreference(&old_buf);
res->id = vcotbl->type;
@ -496,7 +499,7 @@ out_wait:
* is called before bind() in the validation sequence is instead used for two
* things.
* 1) Unscrub the cotable if it is scrubbed and still attached to a backup
* buffer, that is, if @res->mob_head is non-empty.
* buffer.
* 2) Resize the cotable if needed.
*/
static int vmw_cotable_create(struct vmw_resource *res)
@ -512,7 +515,7 @@ static int vmw_cotable_create(struct vmw_resource *res)
new_size *= 2;
if (likely(new_size <= res->backup_size)) {
if (vcotbl->scrubbed && !list_empty(&res->mob_head)) {
if (vcotbl->scrubbed && vmw_resource_mob_attached(res)) {
ret = vmw_cotable_unscrub(res);
if (ret)
return ret;

180
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -24,17 +24,22 @@
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <linux/module.h>
#include <linux/console.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
#include "vmwgfx_binding.h"
#include "ttm_object.h"
#include <drm/ttm/ttm_placement.h>
#include <drm/drm_drv.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_pci.h>
#include <drm/drm_sysfs.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_module.h>
#include <drm/ttm/ttm_placement.h>
#include "ttm_object.h"
#include "vmwgfx_binding.h"
#include "vmwgfx_drv.h"
#define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
#define VMWGFX_CHIP_SVGAII 0
@ -254,7 +259,6 @@ static int vmw_restrict_dma_mask;
static int vmw_assume_16bpp;
static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
static void vmw_master_init(struct vmw_master *);
static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
void *ptr);
@ -764,10 +768,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
dev_priv->mmio_start, dev_priv->mmio_size / 1024);
vmw_master_init(&dev_priv->fbdev_master);
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
dev_priv->active_master = &dev_priv->fbdev_master;
dev_priv->mmio_virt = memremap(dev_priv->mmio_start,
dev_priv->mmio_size, MEMREMAP_WB);
@ -1009,18 +1009,7 @@ static void vmw_driver_unload(struct drm_device *dev)
static void vmw_postclose(struct drm_device *dev,
struct drm_file *file_priv)
{
struct vmw_fpriv *vmw_fp;
vmw_fp = vmw_fpriv(file_priv);
if (vmw_fp->locked_master) {
struct vmw_master *vmaster =
vmw_master(vmw_fp->locked_master);
ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
ttm_vt_unlock(&vmaster->lock);
drm_master_put(&vmw_fp->locked_master);
}
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
ttm_object_file_release(&vmw_fp->tfile);
kfree(vmw_fp);
@ -1049,55 +1038,6 @@ out_no_tfile:
return ret;
}
static struct vmw_master *vmw_master_check(struct drm_device *dev,
struct drm_file *file_priv,
unsigned int flags)
{
int ret;
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *vmaster;
if (!drm_is_primary_client(file_priv) || !(flags & DRM_AUTH))
return NULL;
ret = mutex_lock_interruptible(&dev->master_mutex);
if (unlikely(ret != 0))
return ERR_PTR(-ERESTARTSYS);
if (drm_is_current_master(file_priv)) {
mutex_unlock(&dev->master_mutex);
return NULL;
}
/*
* Check if we were previously master, but now dropped. In that
* case, allow at least render node functionality.
*/
if (vmw_fp->locked_master) {
mutex_unlock(&dev->master_mutex);
if (flags & DRM_RENDER_ALLOW)
return NULL;
DRM_ERROR("Dropped master trying to access ioctl that "
"requires authentication.\n");
return ERR_PTR(-EACCES);
}
mutex_unlock(&dev->master_mutex);
/*
* Take the TTM lock. Possibly sleep waiting for the authenticating
* master to become master again, or for a SIGTERM if the
* authenticating master exits.
*/
vmaster = vmw_master(file_priv->master);
ret = ttm_read_lock(&vmaster->lock, true);
if (unlikely(ret != 0))
vmaster = ERR_PTR(ret);
return vmaster;
}
static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg,
long (*ioctl_func)(struct file *, unsigned int,
@ -1106,9 +1046,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
struct drm_file *file_priv = filp->private_data;
struct drm_device *dev = file_priv->minor->dev;
unsigned int nr = DRM_IOCTL_NR(cmd);
struct vmw_master *vmaster;
unsigned int flags;
long ret;
/*
* Do extra checking on driver private ioctls.
@ -1134,21 +1072,7 @@ static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
} else if (!drm_ioctl_flags(nr, &flags))
return -EINVAL;
vmaster = vmw_master_check(dev, file_priv, flags);
if (IS_ERR(vmaster)) {
ret = PTR_ERR(vmaster);
if (ret != -ERESTARTSYS)
DRM_INFO("IOCTL ERROR Command %d, Error %ld.\n",
nr, ret);
return ret;
}
ret = ioctl_func(filp, cmd, arg);
if (vmaster)
ttm_read_unlock(&vmaster->lock);
return ret;
return ioctl_func(filp, cmd, arg);
out_io_encoding:
DRM_ERROR("Invalid command format, ioctl %d\n",
@ -1171,65 +1095,10 @@ static long vmw_compat_ioctl(struct file *filp, unsigned int cmd,
}
#endif
static void vmw_master_init(struct vmw_master *vmaster)
{
ttm_lock_init(&vmaster->lock);
}
static int vmw_master_create(struct drm_device *dev,
struct drm_master *master)
{
struct vmw_master *vmaster;
vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
if (unlikely(!vmaster))
return -ENOMEM;
vmw_master_init(vmaster);
ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
master->driver_priv = vmaster;
return 0;
}
static void vmw_master_destroy(struct drm_device *dev,
struct drm_master *master)
{
struct vmw_master *vmaster = vmw_master(master);
master->driver_priv = NULL;
kfree(vmaster);
}
static int vmw_master_set(struct drm_device *dev,
struct drm_file *file_priv,
bool from_open)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *active = dev_priv->active_master;
struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret = 0;
if (active) {
BUG_ON(active != &dev_priv->fbdev_master);
ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
if (unlikely(ret != 0))
return ret;
ttm_lock_set_kill(&active->lock, true, SIGTERM);
dev_priv->active_master = NULL;
}
ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
if (!from_open) {
ttm_vt_unlock(&vmaster->lock);
BUG_ON(vmw_fp->locked_master != file_priv->master);
drm_master_put(&vmw_fp->locked_master);
}
dev_priv->active_master = vmaster;
/*
* Inform a new master that the layout may have changed while
* it was gone.
@ -1244,31 +1113,10 @@ static void vmw_master_drop(struct drm_device *dev,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret;
/**
* Make sure the master doesn't disappear while we have
* it locked.
*/
vmw_fp->locked_master = drm_master_get(file_priv->master);
ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
vmw_kms_legacy_hotspot_clear(dev_priv);
if (unlikely((ret != 0))) {
DRM_ERROR("Unable to lock TTM at VT switch.\n");
drm_master_put(&vmw_fp->locked_master);
}
ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
if (!dev_priv->enable_fb)
vmw_svga_disable(dev_priv);
dev_priv->active_master = &dev_priv->fbdev_master;
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
ttm_vt_unlock(&dev_priv->fbdev_master.lock);
}
/**
@ -1546,8 +1394,6 @@ static struct drm_driver driver = {
.disable_vblank = vmw_disable_vblank,
.ioctls = vmw_ioctls,
.num_ioctls = ARRAY_SIZE(vmw_ioctls),
.master_create = vmw_master_create,
.master_destroy = vmw_master_destroy,
.master_set = vmw_master_set,
.master_drop = vmw_master_drop,
.open = vmw_driver_open,

126
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -28,20 +28,32 @@
#ifndef _VMWGFX_DRV_H_
#define _VMWGFX_DRV_H_
#include "vmwgfx_validation.h"
#include "vmwgfx_reg.h"
#include <drm/drmP.h>
#include <drm/vmwgfx_drm.h>
#include <drm/drm_hashtab.h>
#include <drm/drm_auth.h>
#include <linux/suspend.h>
#include <linux/sync_file.h>
#include <drm/drm_auth.h>
#include <drm/drm_device.h>
#include <drm/drm_file.h>
#include <drm/drm_hashtab.h>
#include <drm/drm_rect.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_execbuf_util.h>
#include <drm/ttm/ttm_module.h>
#include "vmwgfx_fence.h"
#include "ttm_object.h"
#include "ttm_lock.h"
#include <linux/sync_file.h>
#include "ttm_object.h"
#include "vmwgfx_fence.h"
#include "vmwgfx_reg.h"
#include "vmwgfx_validation.h"
/*
* FIXME: vmwgfx_drm.h needs to be last due to dependencies.
* uapi headers should not depend on header files outside uapi/.
*/
#include <drm/vmwgfx_drm.h>
#define VMWGFX_DRIVER_NAME "vmwgfx"
#define VMWGFX_DRIVER_DATE "20180704"
@ -81,11 +93,19 @@
#define VMW_RES_SHADER ttm_driver_type4
struct vmw_fpriv {
struct drm_master *locked_master;
struct ttm_object_file *tfile;
bool gb_aware; /* user-space is guest-backed aware */
};
/**
* struct vmw_buffer_object - TTM buffer object with vmwgfx additions
* @base: The TTM buffer object
* @res_list: List of resources using this buffer object as a backing MOB
* @pin_count: pin depth
* @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
* @map: Kmap object for semi-persistent mappings
* @res_prios: Eviction priority counts for attached resources
*/
struct vmw_buffer_object {
struct ttm_buffer_object base;
struct list_head res_list;
@ -94,6 +114,7 @@ struct vmw_buffer_object {
struct vmw_resource *dx_query_ctx;
/* Protected by reservation */
struct ttm_bo_kmap_obj map;
u32 res_prios[TTM_MAX_BO_PRIORITY];
};
/**
@ -145,6 +166,7 @@ struct vmw_resource {
struct kref kref;
struct vmw_private *dev_priv;
int id;
u32 used_prio;
unsigned long backup_size;
bool res_dirty;
bool backup_dirty;
@ -376,10 +398,6 @@ struct vmw_sw_context{
struct vmw_legacy_display;
struct vmw_overlay;
struct vmw_master {
struct ttm_lock lock;
};
struct vmw_vga_topology_state {
uint32_t width;
uint32_t height;
@ -537,11 +555,8 @@ struct vmw_private {
spinlock_t svga_lock;
/**
* Master management.
* PM management.
*/
struct vmw_master *active_master;
struct vmw_master fbdev_master;
struct notifier_block pm_nb;
bool refuse_hibernation;
bool suspend_locked;
@ -607,11 +622,6 @@ static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
return (struct vmw_fpriv *)file_priv->driver_priv;
}
static inline struct vmw_master *vmw_master(struct drm_master *master)
{
return (struct vmw_master *) master->driver_priv;
}
/*
* The locking here is fine-grained, so that it is performed once
* for every read- and write operation. This is of course costly, but we
@ -704,6 +714,19 @@ extern void vmw_query_move_notify(struct ttm_buffer_object *bo,
extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob);
extern void vmw_resource_evict_all(struct vmw_private *dev_priv);
extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo);
void vmw_resource_mob_attach(struct vmw_resource *res);
void vmw_resource_mob_detach(struct vmw_resource *res);
/**
* vmw_resource_mob_attached - Whether a resource currently has a mob attached
* @res: The resource
*
* Return: true if the resource has a mob attached, false otherwise.
*/
static inline bool vmw_resource_mob_attached(const struct vmw_resource *res)
{
return !list_empty(&res->mob_head);
}
/**
* vmw_user_resource_noref_release - release a user resource pointer looked up
@ -782,6 +805,54 @@ static inline void vmw_user_bo_noref_release(void)
ttm_base_object_noref_release();
}
/**
* vmw_bo_adjust_prio - Adjust the buffer object eviction priority
* according to attached resources
* @vbo: The struct vmw_buffer_object
*/
static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo)
{
int i = ARRAY_SIZE(vbo->res_prios);
while (i--) {
if (vbo->res_prios[i]) {
vbo->base.priority = i;
return;
}
}
vbo->base.priority = 3;
}
/**
* vmw_bo_prio_add - Notify a buffer object of a newly attached resource
* eviction priority
* @vbo: The struct vmw_buffer_object
* @prio: The resource priority
*
* After being notified, the code assigns the highest resource eviction priority
* to the backing buffer object (mob).
*/
static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio)
{
if (vbo->res_prios[prio]++ == 0)
vmw_bo_prio_adjust(vbo);
}
/**
* vmw_bo_prio_del - Notify a buffer object of a resource with a certain
* priority being removed
* @vbo: The struct vmw_buffer_object
* @prio: The resource priority
*
* After being notified, the code assigns the highest resource eviction priority
* to the backing buffer object (mob).
*/
static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio)
{
if (--vbo->res_prios[prio] == 0)
vmw_bo_prio_adjust(vbo);
}
/**
* Misc Ioctl functionality - vmwgfx_ioctl.c
@ -1011,7 +1082,6 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
unsigned width, unsigned height, unsigned pitch,
unsigned bpp, unsigned depth);
void vmw_kms_idle_workqueues(struct vmw_master *vmaster);
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
uint32_t pitch,
uint32_t height);
@ -1333,6 +1403,14 @@ int vmw_host_log(const char *log);
#define VMW_DEBUG_USER(fmt, ...) \
DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
/**
* VMW_DEBUG_KMS - Debug output for kernel mode-setting
*
* This macro is for debugging vmwgfx mode-setting code.
*/
#define VMW_DEBUG_KMS(fmt, ...) \
DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__)
/**
* Inline helper functions
*/

8
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View File

@ -26,14 +26,14 @@
*
**************************************************************************/
#include <linux/export.h>
#include <linux/pci.h>
#include <drm/drm_fourcc.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
#include "vmwgfx_kms.h"
#include <drm/ttm/ttm_placement.h>
#define VMW_DIRTY_DELAY (HZ / 30)
struct vmw_fb_par {

3
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
View File

@ -25,7 +25,8 @@
*
**************************************************************************/
#include <drm/drmP.h>
#include <linux/sched/signal.h>
#include "vmwgfx_drv.h"
#define VMW_FENCE_WRAP (1 << 31)

5
drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
View File

@ -32,8 +32,11 @@
#define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
struct vmw_private;
struct drm_device;
struct drm_file;
struct drm_pending_event;
struct vmw_private;
struct vmw_fence_manager;
/**

6
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
View File

@ -25,10 +25,12 @@
*
**************************************************************************/
#include "vmwgfx_drv.h"
#include <drm/drmP.h>
#include <linux/sched/signal.h>
#include <drm/ttm/ttm_placement.h>
#include "vmwgfx_drv.h"
struct vmw_temp_set_context {
SVGA3dCmdHeader header;
SVGA3dCmdDXTempSetContext body;

4
drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
View File

@ -25,10 +25,10 @@
*
**************************************************************************/
#include "vmwgfx_drv.h"
#include <drm/drmP.h>
#include <drm/ttm/ttm_bo_driver.h>
#include "vmwgfx_drv.h"
#define VMW_PPN_SIZE (sizeof(unsigned long))
/* A future safe maximum remap size. */
#define VMW_PPN_PER_REMAP ((31 * 1024) / VMW_PPN_SIZE)

3
drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
View File

@ -25,7 +25,8 @@
*
**************************************************************************/
#include <drm/drmP.h>
#include <linux/sched/signal.h>
#include "vmwgfx_drv.h"
#define VMW_FENCE_WRAP (1 << 24)

33
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -25,12 +25,16 @@
*
**************************************************************************/
#include "vmwgfx_kms.h"
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_rect.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_rect.h>
#include <drm/drm_sysfs.h>
#include <drm/drm_vblank.h>
#include "vmwgfx_kms.h"
/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
@ -1462,7 +1466,7 @@ static int vmw_kms_check_display_memory(struct drm_device *dev,
if (dev_priv->active_display_unit == vmw_du_screen_target &&
(drm_rect_width(&rects[i]) > dev_priv->stdu_max_width ||
drm_rect_height(&rects[i]) > dev_priv->stdu_max_height)) {
DRM_ERROR("Screen size not supported.\n");
VMW_DEBUG_KMS("Screen size not supported.\n");
return -EINVAL;
}
@ -1486,7 +1490,7 @@ static int vmw_kms_check_display_memory(struct drm_device *dev,
* limit on primary bounding box
*/
if (pixel_mem > dev_priv->prim_bb_mem) {
DRM_ERROR("Combined output size too large.\n");
VMW_DEBUG_KMS("Combined output size too large.\n");
return -EINVAL;
}
@ -1496,7 +1500,7 @@ static int vmw_kms_check_display_memory(struct drm_device *dev,
bb_mem = (u64) bounding_box.x2 * bounding_box.y2 * 4;
if (bb_mem > dev_priv->prim_bb_mem) {
DRM_ERROR("Topology is beyond supported limits.\n");
VMW_DEBUG_KMS("Topology is beyond supported limits.\n");
return -EINVAL;
}
}
@ -1645,6 +1649,7 @@ static int vmw_kms_check_topology(struct drm_device *dev,
struct vmw_connector_state *vmw_conn_state;
if (!du->pref_active && new_crtc_state->enable) {
VMW_DEBUG_KMS("Enabling a disabled display unit\n");
ret = -EINVAL;
goto clean;
}
@ -1701,8 +1706,10 @@ vmw_kms_atomic_check_modeset(struct drm_device *dev,
return ret;
ret = vmw_kms_check_implicit(dev, state);
if (ret)
if (ret) {
VMW_DEBUG_KMS("Invalid implicit state\n");
return ret;
}
for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
if (drm_atomic_crtc_needs_modeset(crtc_state))
@ -2339,6 +2346,9 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
if (!arg->num_outputs) {
struct drm_rect def_rect = {0, 0, 800, 600};
VMW_DEBUG_KMS("Default layout x1 = %d y1 = %d x2 = %d y2 = %d\n",
def_rect.x1, def_rect.y1,
def_rect.x2, def_rect.y2);
vmw_du_update_layout(dev_priv, 1, &def_rect);
return 0;
}
@ -2359,6 +2369,7 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
drm_rects = (struct drm_rect *)rects;
VMW_DEBUG_KMS("Layout count = %u\n", arg->num_outputs);
for (i = 0; i < arg->num_outputs; i++) {
struct drm_vmw_rect curr_rect;
@ -2375,6 +2386,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
drm_rects[i].x2 = curr_rect.x + curr_rect.w;
drm_rects[i].y2 = curr_rect.y + curr_rect.h;
VMW_DEBUG_KMS(" x1 = %d y1 = %d x2 = %d y2 = %d\n",
drm_rects[i].x1, drm_rects[i].y1,
drm_rects[i].x2, drm_rects[i].y2);
/*
* Currently this check is limiting the topology within
* mode_config->max (which actually is max texture size
@ -2385,7 +2400,9 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
if (drm_rects[i].x1 < 0 || drm_rects[i].y1 < 0 ||
drm_rects[i].x2 > mode_config->max_width ||
drm_rects[i].y2 > mode_config->max_height) {
DRM_ERROR("Invalid GUI layout.\n");
VMW_DEBUG_KMS("Invalid layout %d %d %d %d\n",
drm_rects[i].x1, drm_rects[i].y1,
drm_rects[i].x2, drm_rects[i].y2);
ret = -EINVAL;
goto out_free;
}

2
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
View File

@ -28,9 +28,9 @@
#ifndef VMWGFX_KMS_H_
#define VMWGFX_KMS_H_
#include <drm/drmP.h>
#include <drm/drm_encoder.h>
#include <drm/drm_probe_helper.h>
#include "vmwgfx_drv.h"
/**

6
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
View File

@ -25,11 +25,13 @@
*
**************************************************************************/
#include "vmwgfx_kms.h"
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_vblank.h>
#include "vmwgfx_kms.h"
#define vmw_crtc_to_ldu(x) \
container_of(x, struct vmw_legacy_display_unit, base.crtc)

2
drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
View File

@ -25,6 +25,8 @@
*
**************************************************************************/
#include <linux/highmem.h>
#include "vmwgfx_drv.h"
/*

11
drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
View File

@ -24,17 +24,16 @@
*
*/
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/frame.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <asm/hypervisor.h>
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
#include "vmwgfx_msg.h"
#define MESSAGE_STATUS_SUCCESS 0x0001
#define MESSAGE_STATUS_DORECV 0x0002
#define MESSAGE_STATUS_CPT 0x0010

6
drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
View File

@ -25,15 +25,13 @@
*
**************************************************************************/
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
#include <drm/ttm/ttm_placement.h>
#include "device_include/svga_overlay.h"
#include "device_include/svga_escape.h"
#include "vmwgfx_drv.h"
#define VMW_MAX_NUM_STREAMS 1
#define VMW_OVERLAY_CAP_MASK (SVGA_FIFO_CAP_VIDEO | SVGA_FIFO_CAP_ESCAPE)

60
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
View File

@ -25,15 +25,44 @@
*
**************************************************************************/
#include "vmwgfx_drv.h"
#include <drm/vmwgfx_drm.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/drmP.h>
#include "vmwgfx_resource_priv.h"
#include "vmwgfx_binding.h"
#include "vmwgfx_drv.h"
#define VMW_RES_EVICT_ERR_COUNT 10
/**
* vmw_resource_mob_attach - Mark a resource as attached to its backing mob
* @res: The resource
*/
void vmw_resource_mob_attach(struct vmw_resource *res)
{
struct vmw_buffer_object *backup = res->backup;
reservation_object_assert_held(backup->base.base.resv);
res->used_prio = (res->res_dirty) ? res->func->dirty_prio :
res->func->prio;
list_add_tail(&res->mob_head, &backup->res_list);
vmw_bo_prio_add(backup, res->used_prio);
}
/**
* vmw_resource_mob_detach - Mark a resource as detached from its backing mob
* @res: The resource
*/
void vmw_resource_mob_detach(struct vmw_resource *res)
{
struct vmw_buffer_object *backup = res->backup;
reservation_object_assert_held(backup->base.base.resv);
if (vmw_resource_mob_attached(res)) {
list_del_init(&res->mob_head);
vmw_bo_prio_del(backup, res->used_prio);
}
}
struct vmw_resource *vmw_resource_reference(struct vmw_resource *res)
{
kref_get(&res->kref);
@ -80,7 +109,7 @@ static void vmw_resource_release(struct kref *kref)
struct ttm_buffer_object *bo = &res->backup->base;
ttm_bo_reserve(bo, false, false, NULL);
if (!list_empty(&res->mob_head) &&
if (vmw_resource_mob_attached(res) &&
res->func->unbind != NULL) {
struct ttm_validate_buffer val_buf;
@ -89,7 +118,7 @@ static void vmw_resource_release(struct kref *kref)
res->func->unbind(res, false, &val_buf);
}
res->backup_dirty = false;
list_del_init(&res->mob_head);
vmw_resource_mob_detach(res);
ttm_bo_unreserve(bo);
vmw_bo_unreference(&res->backup);
}
@ -179,6 +208,7 @@ int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
res->backup_offset = 0;
res->backup_dirty = false;
res->res_dirty = false;
res->used_prio = 3;
if (delay_id)
return 0;
else
@ -355,14 +385,14 @@ static int vmw_resource_do_validate(struct vmw_resource *res,
}
if (func->bind &&
((func->needs_backup && list_empty(&res->mob_head) &&
((func->needs_backup && !vmw_resource_mob_attached(res) &&
val_buf->bo != NULL) ||
(!func->needs_backup && val_buf->bo != NULL))) {
ret = func->bind(res, val_buf);
if (unlikely(ret != 0))
goto out_bind_failed;
if (func->needs_backup)
list_add_tail(&res->mob_head, &res->backup->res_list);
vmw_resource_mob_attach(res);
}
return 0;
@ -402,15 +432,13 @@ void vmw_resource_unreserve(struct vmw_resource *res,
if (switch_backup && new_backup != res->backup) {
if (res->backup) {
reservation_object_assert_held(res->backup->base.base.resv);
list_del_init(&res->mob_head);
vmw_resource_mob_detach(res);
vmw_bo_unreference(&res->backup);
}
if (new_backup) {
res->backup = vmw_bo_reference(new_backup);
reservation_object_assert_held(new_backup->base.base.resv);
list_add_tail(&res->mob_head, &new_backup->res_list);
vmw_resource_mob_attach(res);
} else {
res->backup = NULL;
}
@ -469,7 +497,7 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket,
if (unlikely(ret != 0))
goto out_no_reserve;
if (res->func->needs_backup && list_empty(&res->mob_head))
if (res->func->needs_backup && !vmw_resource_mob_attached(res))
return 0;
backup_dirty = res->backup_dirty;
@ -574,11 +602,11 @@ static int vmw_resource_do_evict(struct ww_acquire_ctx *ticket,
return ret;
if (unlikely(func->unbind != NULL &&
(!func->needs_backup || !list_empty(&res->mob_head)))) {
(!func->needs_backup || vmw_resource_mob_attached(res)))) {
ret = func->unbind(res, res->res_dirty, &val_buf);
if (unlikely(ret != 0))
goto out_no_unbind;
list_del_init(&res->mob_head);
vmw_resource_mob_detach(res);
}
ret = func->destroy(res);
res->backup_dirty = true;
@ -660,7 +688,7 @@ int vmw_resource_validate(struct vmw_resource *res, bool intr)
if (unlikely(ret != 0))
goto out_no_validate;
else if (!res->func->needs_backup && res->backup) {
list_del_init(&res->mob_head);
WARN_ON_ONCE(vmw_resource_mob_attached(res));
vmw_bo_unreference(&res->backup);
}
@ -699,7 +727,7 @@ void vmw_resource_unbind_list(struct vmw_buffer_object *vbo)
(void) res->func->unbind(res, res->res_dirty, &val_buf);
res->backup_dirty = true;
res->res_dirty = false;
list_del_init(&res->mob_head);
vmw_resource_mob_detach(res);
}
(void) ttm_bo_wait(&vbo->base, false, false);

2
drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
View File

@ -78,6 +78,8 @@ struct vmw_res_func {
const char *type_name;
struct ttm_placement *backup_placement;
bool may_evict;
u32 prio;
u32 dirty_prio;
int (*create) (struct vmw_resource *res);
int (*destroy) (struct vmw_resource *res);

6
drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
View File

@ -25,12 +25,14 @@
*
**************************************************************************/
#include "vmwgfx_kms.h"
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_vblank.h>
#include "vmwgfx_kms.h"
#define vmw_crtc_to_sou(x) \
container_of(x, struct vmw_screen_object_unit, base.crtc)

8
drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
View File

@ -95,6 +95,8 @@ static const struct vmw_res_func vmw_gb_shader_func = {
.res_type = vmw_res_shader,
.needs_backup = true,
.may_evict = true,
.prio = 3,
.dirty_prio = 3,
.type_name = "guest backed shaders",
.backup_placement = &vmw_mob_placement,
.create = vmw_gb_shader_create,
@ -106,7 +108,9 @@ static const struct vmw_res_func vmw_gb_shader_func = {
static const struct vmw_res_func vmw_dx_shader_func = {
.res_type = vmw_res_shader,
.needs_backup = true,
.may_evict = false,
.may_evict = true,
.prio = 3,
.dirty_prio = 3,
.type_name = "dx shaders",
.backup_placement = &vmw_mob_placement,
.create = vmw_dx_shader_create,
@ -423,7 +427,7 @@ static int vmw_dx_shader_create(struct vmw_resource *res)
WARN_ON_ONCE(!shader->committed);
if (!list_empty(&res->mob_head)) {
if (vmw_resource_mob_attached(res)) {
mutex_lock(&dev_priv->binding_mutex);
ret = vmw_dx_shader_unscrub(res);
mutex_unlock(&dev_priv->binding_mutex);

9
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
View File

@ -25,12 +25,15 @@
*
******************************************************************************/
#include "vmwgfx_kms.h"
#include "device_include/svga3d_surfacedefs.h"
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_vblank.h>
#include "vmwgfx_kms.h"
#include "device_include/svga3d_surfacedefs.h"
#define vmw_crtc_to_stdu(x) \
container_of(x, struct vmw_screen_target_display_unit, base.crtc)

10
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
View File

@ -112,6 +112,8 @@ static const struct vmw_res_func vmw_legacy_surface_func = {
.res_type = vmw_res_surface,
.needs_backup = false,
.may_evict = true,
.prio = 1,
.dirty_prio = 1,
.type_name = "legacy surfaces",
.backup_placement = &vmw_srf_placement,
.create = &vmw_legacy_srf_create,
@ -124,6 +126,8 @@ static const struct vmw_res_func vmw_gb_surface_func = {
.res_type = vmw_res_surface,
.needs_backup = true,
.may_evict = true,
.prio = 1,
.dirty_prio = 2,
.type_name = "guest backed surfaces",
.backup_placement = &vmw_mob_placement,
.create = vmw_gb_surface_create,
@ -915,12 +919,6 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv,
if (unlikely(drm_is_render_client(file_priv)))
require_exist = true;
if (READ_ONCE(vmw_fpriv(file_priv)->locked_master)) {
DRM_ERROR("Locked master refused legacy "
"surface reference.\n");
return -EACCES;
}
handle = u_handle;
}

1
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c
View File

@ -25,7 +25,6 @@
*
**************************************************************************/
#include <drm/drmP.h>
#include "vmwgfx_drv.h"
int vmw_mmap(struct file *filp, struct vm_area_struct *vma)

3
drivers/gpu/drm/vmwgfx/vmwgfx_validation.h
View File

@ -28,9 +28,10 @@
#ifndef _VMWGFX_VALIDATION_H_
#define _VMWGFX_VALIDATION_H_
#include <drm/drm_hashtab.h>
#include <linux/list.h>
#include <linux/ww_mutex.h>
#include <drm/drm_hashtab.h>
#include <drm/ttm/ttm_execbuf_util.h>
#define VMW_RES_DIRTY_NONE 0