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Merge tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel into drm-core-next

Browse source 
* tag 'drm-intel-next-2012-02-07' of git://people.freedesktop.org/~danvet/drm-intel: (29 commits)
  drm/i915: Handle unmappable buffers during error state capture
  drm/i915: rewrite shmem_pread_slow to use copy_to_user
  drm/i915: rewrite shmem_pwrite_slow to use copy_from_user
  drm/i915: fall through pwrite_gtt_slow to the shmem slow path
  drm/i915: add debugfs file for swizzling information
  drm/i915: fix swizzle detection for gen3
  drm/i915: Remove the upper limit on the bo size for mapping into the CPU domain
  drm/i915: add per-ring fault reg to error_state
  drm/i915: reject GTT domain in relocations
  drm/i915: remove the i915_batchbuffer_info debugfs file
  drm/i915: capture error_state also for stuck rings
  drm/i915: refactor debugfs create functions
  drm/i915: refactor debugfs open function
  drm/i915: don't trash the gtt when running out of fences
  drm/i915: Separate fence pin counting from normal bind pin counting
  drm/i915/ringbuffer: kill snb blt workaround
  drm/i915: collect more per ring error state
  drm/i915: refactor ring error state capture to use arrays
  drm/i915: switch ring->id to be a real id
  drm/i915: set AUD_CONFIG N_value_index for DisplayPort
  ...
This commit is contained in:
Dave Airlie 2012-02-14 14:16:00 +00:00
commit cdbe8b5426
16 changed files with 576 additions and 605 deletions
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243
drivers/gpu/drm/i915/i915_debugfs.c
View file

@ -564,45 +564,6 @@ static int i915_hws_info(struct seq_file *m, void *data)
return 0;
}
static void i915_dump_object(struct seq_file *m,
struct io_mapping *mapping,
struct drm_i915_gem_object *obj)
{
int page, page_count, i;
page_count = obj->base.size / PAGE_SIZE;
for (page = 0; page < page_count; page++) {
u32 *mem = io_mapping_map_wc(mapping,
obj->gtt_offset + page * PAGE_SIZE);
for (i = 0; i < PAGE_SIZE; i += 4)
seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
io_mapping_unmap(mem);
}
}
static int i915_batchbuffer_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
int ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
if (obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) {
seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
i915_dump_object(m, dev_priv->mm.gtt_mapping, obj);
}
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
static int i915_ringbuffer_data(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@ -669,9 +630,9 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
static const char *ring_str(int ring)
{
switch (ring) {
case RING_RENDER: return " render";
case RING_BSD: return " bsd";
case RING_BLT: return " blt";
case RCS: return "render";
case VCS: return "bsd";
case BCS: return "blt";
default: return "";
}
}
@ -714,7 +675,7 @@ static void print_error_buffers(struct seq_file *m,
seq_printf(m, "%s [%d]:\n", name, count);
while (count--) {
seq_printf(m, " %08x %8u %04x %04x %08x%s%s%s%s%s%s",
seq_printf(m, " %08x %8u %04x %04x %08x%s%s%s%s%s%s%s",
err->gtt_offset,
err->size,
err->read_domains,
@ -724,6 +685,7 @@ static void print_error_buffers(struct seq_file *m,
tiling_flag(err->tiling),
dirty_flag(err->dirty),
purgeable_flag(err->purgeable),
err->ring != -1 ? " " : "",
ring_str(err->ring),
cache_level_str(err->cache_level));
@ -737,6 +699,32 @@ static void print_error_buffers(struct seq_file *m,
}
}
static void i915_ring_error_state(struct seq_file *m,
struct drm_device *dev,
struct drm_i915_error_state *error,
unsigned ring)
{
seq_printf(m, "%s command stream:\n", ring_str(ring));
seq_printf(m, " HEAD: 0x%08x\n", error->head[ring]);
seq_printf(m, " TAIL: 0x%08x\n", error->tail[ring]);
seq_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]);
seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]);
seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]);
seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]);
if (ring == RCS && INTEL_INFO(dev)->gen >= 4) {
seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
seq_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr);
}
if (INTEL_INFO(dev)->gen >= 4)
seq_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
seq_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
if (INTEL_INFO(dev)->gen >= 6) {
seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
}
seq_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
}
static int i915_error_state(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@ -759,36 +747,21 @@ static int i915_error_state(struct seq_file *m, void *unused)
seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
seq_printf(m, "EIR: 0x%08x\n", error->eir);
seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
if (INTEL_INFO(dev)->gen >= 6) {
seq_printf(m, "ERROR: 0x%08x\n", error->error);
seq_printf(m, "Blitter command stream:\n");
seq_printf(m, " ACTHD: 0x%08x\n", error->bcs_acthd);
seq_printf(m, " IPEIR: 0x%08x\n", error->bcs_ipeir);
seq_printf(m, " IPEHR: 0x%08x\n", error->bcs_ipehr);
seq_printf(m, " INSTDONE: 0x%08x\n", error->bcs_instdone);
seq_printf(m, " seqno: 0x%08x\n", error->bcs_seqno);
seq_printf(m, "Video (BSD) command stream:\n");
seq_printf(m, " ACTHD: 0x%08x\n", error->vcs_acthd);
seq_printf(m, " IPEIR: 0x%08x\n", error->vcs_ipeir);
seq_printf(m, " IPEHR: 0x%08x\n", error->vcs_ipehr);
seq_printf(m, " INSTDONE: 0x%08x\n", error->vcs_instdone);
seq_printf(m, " seqno: 0x%08x\n", error->vcs_seqno);
}
seq_printf(m, "Render command stream:\n");
seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
if (INTEL_INFO(dev)->gen >= 4) {
seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
}
seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
seq_printf(m, " seqno: 0x%08x\n", error->seqno);
for (i = 0; i < dev_priv->num_fence_regs; i++)
seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]);
if (INTEL_INFO(dev)->gen >= 6) {
seq_printf(m, "ERROR: 0x%08x\n", error->error);
seq_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
}
i915_ring_error_state(m, dev, error, RCS);
if (HAS_BLT(dev))
i915_ring_error_state(m, dev, error, BCS);
if (HAS_BSD(dev))
i915_ring_error_state(m, dev, error, VCS);
if (error->active_bo)
print_error_buffers(m, "Active",
error->active_bo,
@ -1415,9 +1388,58 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data)
return 0;
}
static const char *swizzle_string(unsigned swizzle)
{
switch(swizzle) {
case I915_BIT_6_SWIZZLE_NONE:
return "none";
case I915_BIT_6_SWIZZLE_9:
return "bit9";
case I915_BIT_6_SWIZZLE_9_10:
return "bit9/bit10";
case I915_BIT_6_SWIZZLE_9_11:
return "bit9/bit11";
case I915_BIT_6_SWIZZLE_9_10_11:
return "bit9/bit10/bit11";
case I915_BIT_6_SWIZZLE_9_17:
return "bit9/bit17";
case I915_BIT_6_SWIZZLE_9_10_17:
return "bit9/bit10/bit17";
case I915_BIT_6_SWIZZLE_UNKNOWN:
return "unkown";
}
return "bug";
}
static int i915_swizzle_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
mutex_lock(&dev->struct_mutex);
seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
swizzle_string(dev_priv->mm.bit_6_swizzle_x));
seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
swizzle_string(dev_priv->mm.bit_6_swizzle_y));
if (IS_GEN3(dev) || IS_GEN4(dev)) {
seq_printf(m, "DDC = 0x%08x\n",
I915_READ(DCC));
seq_printf(m, "C0DRB3 = 0x%04x\n",
I915_READ16(C0DRB3));
seq_printf(m, "C1DRB3 = 0x%04x\n",
I915_READ16(C1DRB3));
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
static int
i915_wedged_open(struct inode *inode,
struct file *filp)
i915_debugfs_common_open(struct inode *inode,
struct file *filp)
{
filp->private_data = inode->i_private;
return 0;
@ -1473,20 +1495,12 @@ i915_wedged_write(struct file *filp,
static const struct file_operations i915_wedged_fops = {
.owner = THIS_MODULE,
.open = i915_wedged_open,
.open = i915_debugfs_common_open,
.read = i915_wedged_read,
.write = i915_wedged_write,
.llseek = default_llseek,
};
static int
i915_max_freq_open(struct inode *inode,
struct file *filp)
{
filp->private_data = inode->i_private;
return 0;
}
static ssize_t
i915_max_freq_read(struct file *filp,
char __user *ubuf,
@ -1543,20 +1557,12 @@ i915_max_freq_write(struct file *filp,
static const struct file_operations i915_max_freq_fops = {
.owner = THIS_MODULE,
.open = i915_max_freq_open,
.open = i915_debugfs_common_open,
.read = i915_max_freq_read,
.write = i915_max_freq_write,
.llseek = default_llseek,
};
static int
i915_cache_sharing_open(struct inode *inode,
struct file *filp)
{
filp->private_data = inode->i_private;
return 0;
}
static ssize_t
i915_cache_sharing_read(struct file *filp,
char __user *ubuf,
@ -1622,7 +1628,7 @@ i915_cache_sharing_write(struct file *filp,
static const struct file_operations i915_cache_sharing_fops = {
.owner = THIS_MODULE,
.open = i915_cache_sharing_open,
.open = i915_debugfs_common_open,
.read = i915_cache_sharing_read,
.write = i915_cache_sharing_write,
.llseek = default_llseek,
@ -1654,21 +1660,6 @@ drm_add_fake_info_node(struct drm_minor *minor,
return 0;
}
static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct dentry *ent;
ent = debugfs_create_file("i915_wedged",
S_IRUGO | S_IWUSR,
root, dev,
&i915_wedged_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
return drm_add_fake_info_node(minor, ent, &i915_wedged_fops);
}
static int i915_forcewake_open(struct inode *inode, struct file *file)
{
struct drm_device *dev = inode->i_private;
@ -1730,34 +1721,22 @@ static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
}
static int i915_max_freq_create(struct dentry *root, struct drm_minor *minor)
static int i915_debugfs_create(struct dentry *root,
struct drm_minor *minor,
const char *name,
const struct file_operations *fops)
{
struct drm_device *dev = minor->dev;
struct dentry *ent;
ent = debugfs_create_file("i915_max_freq",
ent = debugfs_create_file(name,
S_IRUGO | S_IWUSR,
root, dev,
&i915_max_freq_fops);
fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
return drm_add_fake_info_node(minor, ent, &i915_max_freq_fops);
}
static int i915_cache_sharing_create(struct dentry *root, struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct dentry *ent;
ent = debugfs_create_file("i915_cache_sharing",
S_IRUGO | S_IWUSR,
root, dev,
&i915_cache_sharing_fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
return drm_add_fake_info_node(minor, ent, &i915_cache_sharing_fops);
return drm_add_fake_info_node(minor, ent, fops);
}
static struct drm_info_list i915_debugfs_list[] = {
@ -1783,7 +1762,6 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS},
{"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS},
{"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS},
{"i915_batchbuffers", i915_batchbuffer_info, 0},
{"i915_error_state", i915_error_state, 0},
{"i915_rstdby_delays", i915_rstdby_delays, 0},
{"i915_cur_delayinfo", i915_cur_delayinfo, 0},
@ -1799,6 +1777,7 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
{"i915_context_status", i915_context_status, 0},
{"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0},
{"i915_swizzle_info", i915_swizzle_info, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
@ -1806,17 +1785,25 @@ int i915_debugfs_init(struct drm_minor *minor)
{
int ret;
ret = i915_wedged_create(minor->debugfs_root, minor);
ret = i915_debugfs_create(minor->debugfs_root, minor,
"i915_wedged",
&i915_wedged_fops);
if (ret)
return ret;
ret = i915_forcewake_create(minor->debugfs_root, minor);
if (ret)
return ret;
ret = i915_max_freq_create(minor->debugfs_root, minor);
ret = i915_debugfs_create(minor->debugfs_root, minor,
"i915_max_freq",
&i915_max_freq_fops);
if (ret)
return ret;
ret = i915_cache_sharing_create(minor->debugfs_root, minor);
ret = i915_debugfs_create(minor->debugfs_root, minor,
"i915_cache_sharing",
&i915_cache_sharing_fops);
if (ret)
return ret;

2
drivers/gpu/drm/i915/i915_dma.c
View file

@ -2132,7 +2132,7 @@ int i915_driver_unload(struct drm_device *dev)
unregister_shrinker(&dev_priv->mm.inactive_shrinker);
mutex_lock(&dev->struct_mutex);
ret = i915_gpu_idle(dev);
ret = i915_gpu_idle(dev, true);
if (ret)
DRM_ERROR("failed to idle hardware: %d\n", ret);
mutex_unlock(&dev->struct_mutex);

53
drivers/gpu/drm/i915/i915_drv.h
View file

@ -135,6 +135,7 @@ struct drm_i915_fence_reg {
struct list_head lru_list;
struct drm_i915_gem_object *obj;
uint32_t setup_seqno;
int pin_count;
};
struct sdvo_device_mapping {
@ -152,26 +153,21 @@ struct drm_i915_error_state {
u32 eir;
u32 pgtbl_er;
u32 pipestat[I915_MAX_PIPES];
u32 ipeir;
u32 ipehr;
u32 instdone;
u32 acthd;
u32 tail[I915_NUM_RINGS];
u32 head[I915_NUM_RINGS];
u32 ipeir[I915_NUM_RINGS];
u32 ipehr[I915_NUM_RINGS];
u32 instdone[I915_NUM_RINGS];
u32 acthd[I915_NUM_RINGS];
u32 error; /* gen6+ */
u32 bcs_acthd; /* gen6+ blt engine */
u32 bcs_ipehr;
u32 bcs_ipeir;
u32 bcs_instdone;
u32 bcs_seqno;
u32 vcs_acthd; /* gen6+ bsd engine */
u32 vcs_ipehr;
u32 vcs_ipeir;
u32 vcs_instdone;
u32 vcs_seqno;
u32 instpm;
u32 instps;
u32 instpm[I915_NUM_RINGS];
u32 instps[I915_NUM_RINGS];
u32 instdone1;
u32 seqno;
u32 seqno[I915_NUM_RINGS];
u64 bbaddr;
u32 fault_reg[I915_NUM_RINGS];
u32 done_reg;
u32 faddr[I915_NUM_RINGS];
u64 fence[I915_MAX_NUM_FENCES];
struct timeval time;
struct drm_i915_error_object {
@ -1170,6 +1166,24 @@ int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *pipelined);
int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
static inline void
i915_gem_object_pin_fence(struct drm_i915_gem_object *obj)
{
if (obj->fence_reg != I915_FENCE_REG_NONE) {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
dev_priv->fence_regs[obj->fence_reg].pin_count++;
}
}
static inline void
i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj)
{
if (obj->fence_reg != I915_FENCE_REG_NONE) {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
dev_priv->fence_regs[obj->fence_reg].pin_count--;
}
}
void i915_gem_retire_requests(struct drm_device *dev);
void i915_gem_reset(struct drm_device *dev);
void i915_gem_clflush_object(struct drm_i915_gem_object *obj);
@ -1183,13 +1197,14 @@ void i915_gem_do_init(struct drm_device *dev,
unsigned long start,
unsigned long mappable_end,
unsigned long end);
int __must_check i915_gpu_idle(struct drm_device *dev);
int __must_check i915_gpu_idle(struct drm_device *dev, bool do_retire);
int __must_check i915_gem_idle(struct drm_device *dev);
int __must_check i915_add_request(struct intel_ring_buffer *ring,
struct drm_file *file,
struct drm_i915_gem_request *request);
int __must_check i915_wait_request(struct intel_ring_buffer *ring,
uint32_t seqno);
uint32_t seqno,
bool do_retire);
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
int __must_check
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,

396
drivers/gpu/drm/i915/i915_gem.c
View file

@ -58,6 +58,7 @@ static void i915_gem_free_object_tail(struct drm_i915_gem_object *obj);
static int i915_gem_inactive_shrink(struct shrinker *shrinker,
struct shrink_control *sc);
static void i915_gem_object_truncate(struct drm_i915_gem_object *obj);
/* some bookkeeping */
static void i915_gem_info_add_obj(struct drm_i915_private *dev_priv,
@ -258,73 +259,6 @@ static int i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
obj->tiling_mode != I915_TILING_NONE;
}
static inline void
slow_shmem_copy(struct page *dst_page,
int dst_offset,
struct page *src_page,
int src_offset,
int length)
{
char *dst_vaddr, *src_vaddr;
dst_vaddr = kmap(dst_page);
src_vaddr = kmap(src_page);
memcpy(dst_vaddr + dst_offset, src_vaddr + src_offset, length);
kunmap(src_page);
kunmap(dst_page);
}
static inline void
slow_shmem_bit17_copy(struct page *gpu_page,
int gpu_offset,
struct page *cpu_page,
int cpu_offset,
int length,
int is_read)
{
char *gpu_vaddr, *cpu_vaddr;
/* Use the unswizzled path if this page isn't affected. */
if ((page_to_phys(gpu_page) & (1 << 17)) == 0) {
if (is_read)
return slow_shmem_copy(cpu_page, cpu_offset,
gpu_page, gpu_offset, length);
else
return slow_shmem_copy(gpu_page, gpu_offset,
cpu_page, cpu_offset, length);
}
gpu_vaddr = kmap(gpu_page);
cpu_vaddr = kmap(cpu_page);
/* Copy the data, XORing A6 with A17 (1). The user already knows he's
* XORing with the other bits (A9 for Y, A9 and A10 for X)
*/
while (length > 0) {
int cacheline_end = ALIGN(gpu_offset + 1, 64);
int this_length = min(cacheline_end - gpu_offset, length);
int swizzled_gpu_offset = gpu_offset ^ 64;
if (is_read) {
memcpy(cpu_vaddr + cpu_offset,
gpu_vaddr + swizzled_gpu_offset,
this_length);
} else {
memcpy(gpu_vaddr + swizzled_gpu_offset,
cpu_vaddr + cpu_offset,
this_length);
}
cpu_offset += this_length;
gpu_offset += this_length;
length -= this_length;
}
kunmap(cpu_page);
kunmap(gpu_page);
}
/**
* This is the fast shmem pread path, which attempts to copy_from_user directly
* from the backing pages of the object to the user's address space. On a
@ -385,6 +319,58 @@ i915_gem_shmem_pread_fast(struct drm_device *dev,
return 0;
}
static inline int
__copy_to_user_swizzled(char __user *cpu_vaddr,
const char *gpu_vaddr, int gpu_offset,
int length)
{
int ret, cpu_offset = 0;
while (length > 0) {
int cacheline_end = ALIGN(gpu_offset + 1, 64);
int this_length = min(cacheline_end - gpu_offset, length);
int swizzled_gpu_offset = gpu_offset ^ 64;
ret = __copy_to_user(cpu_vaddr + cpu_offset,
gpu_vaddr + swizzled_gpu_offset,
this_length);
if (ret)
return ret + length;
cpu_offset += this_length;
gpu_offset += this_length;
length -= this_length;
}
return 0;
}
static inline int
__copy_from_user_swizzled(char __user *gpu_vaddr, int gpu_offset,
const char *cpu_vaddr,
int length)
{
int ret, cpu_offset = 0;
while (length > 0) {
int cacheline_end = ALIGN(gpu_offset + 1, 64);
int this_length = min(cacheline_end - gpu_offset, length);
int swizzled_gpu_offset = gpu_offset ^ 64;
ret = __copy_from_user(gpu_vaddr + swizzled_gpu_offset,
cpu_vaddr + cpu_offset,
this_length);
if (ret)
return ret + length;
cpu_offset += this_length;
gpu_offset += this_length;
length -= this_length;
}
return 0;
}
/**
* This is the fallback shmem pread path, which allocates temporary storage
* in kernel space to copy_to_user into outside of the struct_mutex, so we
@ -398,72 +384,34 @@ i915_gem_shmem_pread_slow(struct drm_device *dev,
struct drm_file *file)
{
struct address_space *mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
struct mm_struct *mm = current->mm;
struct page **user_pages;
char __user *user_data;
ssize_t remain;
loff_t offset, pinned_pages, i;
loff_t first_data_page, last_data_page, num_pages;
int shmem_page_offset;
int data_page_index, data_page_offset;
int page_length;
int ret;
uint64_t data_ptr = args->data_ptr;
int do_bit17_swizzling;
loff_t offset;
int shmem_page_offset, page_length, ret;
int obj_do_bit17_swizzling, page_do_bit17_swizzling;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
/* Pin the user pages containing the data. We can't fault while
* holding the struct mutex, yet we want to hold it while
* dereferencing the user data.
*/
first_data_page = data_ptr / PAGE_SIZE;
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
user_pages = drm_malloc_ab(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
mutex_unlock(&dev->struct_mutex);
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
num_pages, 1, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
mutex_lock(&dev->struct_mutex);
if (pinned_pages < num_pages) {
ret = -EFAULT;
goto out;
}
ret = i915_gem_object_set_cpu_read_domain_range(obj,
args->offset,
args->size);
if (ret)
goto out;
do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
obj_do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
offset = args->offset;
mutex_unlock(&dev->struct_mutex);
while (remain > 0) {
struct page *page;
char *vaddr;
/* Operation in this page
*
* shmem_page_offset = offset within page in shmem file
* data_page_index = page number in get_user_pages return
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - shmem_page_offset;
if ((data_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - data_page_offset;
page = shmem_read_mapping_page(mapping, offset >> PAGE_SHIFT);
if (IS_ERR(page)) {
@ -471,36 +419,38 @@ i915_gem_shmem_pread_slow(struct drm_device *dev,
goto out;
}
if (do_bit17_swizzling) {
slow_shmem_bit17_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
page_length,
1);
} else {
slow_shmem_copy(user_pages[data_page_index],
data_page_offset,
page,
shmem_page_offset,
page_length);
}
page_do_bit17_swizzling = obj_do_bit17_swizzling &&
(page_to_phys(page) & (1 << 17)) != 0;
vaddr = kmap(page);
if (page_do_bit17_swizzling)
ret = __copy_to_user_swizzled(user_data,
vaddr, shmem_page_offset,
page_length);
else
ret = __copy_to_user(user_data,
vaddr + shmem_page_offset,
page_length);
kunmap(page);
mark_page_accessed(page);
page_cache_release(page);
if (ret) {
ret = -EFAULT;
goto out;
}
remain -= page_length;
data_ptr += page_length;
user_data += page_length;
offset += page_length;
}
out:
for (i = 0; i < pinned_pages; i++) {
SetPageDirty(user_pages[i]);
mark_page_accessed(user_pages[i]);
page_cache_release(user_pages[i]);
}
drm_free_large(user_pages);
mutex_lock(&dev->struct_mutex);
/* Fixup: Kill any reinstated backing storage pages */
if (obj->madv == __I915_MADV_PURGED)
i915_gem_object_truncate(obj);
return ret;
}
@ -841,71 +791,36 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev,
struct drm_file *file)
{
struct address_space *mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
struct mm_struct *mm = current->mm;
struct page **user_pages;
ssize_t remain;
loff_t offset, pinned_pages, i;
loff_t first_data_page, last_data_page, num_pages;
int shmem_page_offset;
int data_page_index, data_page_offset;
int page_length;
int ret;
uint64_t data_ptr = args->data_ptr;
int do_bit17_swizzling;
loff_t offset;
char __user *user_data;
int shmem_page_offset, page_length, ret;
int obj_do_bit17_swizzling, page_do_bit17_swizzling;
user_data = (char __user *) (uintptr_t) args->data_ptr;
remain = args->size;
/* Pin the user pages containing the data. We can't fault while
* holding the struct mutex, and all of the pwrite implementations
* want to hold it while dereferencing the user data.
*/
first_data_page = data_ptr / PAGE_SIZE;
last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
num_pages = last_data_page - first_data_page + 1;
user_pages = drm_malloc_ab(num_pages, sizeof(struct page *));
if (user_pages == NULL)
return -ENOMEM;
mutex_unlock(&dev->struct_mutex);
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
num_pages, 0, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
mutex_lock(&dev->struct_mutex);
if (pinned_pages < num_pages) {
ret = -EFAULT;
goto out;
}
ret = i915_gem_object_set_to_cpu_domain(obj, 1);
if (ret)
goto out;
do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
obj_do_bit17_swizzling = i915_gem_object_needs_bit17_swizzle(obj);
offset = args->offset;
obj->dirty = 1;
mutex_unlock(&dev->struct_mutex);
while (remain > 0) {
struct page *page;
char *vaddr;
/* Operation in this page
*
* shmem_page_offset = offset within page in shmem file
* data_page_index = page number in get_user_pages return
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - shmem_page_offset;
if ((data_page_offset + page_length) > PAGE_SIZE)
page_length = PAGE_SIZE - data_page_offset;
page = shmem_read_mapping_page(mapping, offset >> PAGE_SHIFT);
if (IS_ERR(page)) {
@ -913,34 +828,45 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev,
goto out;
}
if (do_bit17_swizzling) {
slow_shmem_bit17_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
page_length,
0);
} else {
slow_shmem_copy(page,
shmem_page_offset,
user_pages[data_page_index],
data_page_offset,
page_length);
}
page_do_bit17_swizzling = obj_do_bit17_swizzling &&
(page_to_phys(page) & (1 << 17)) != 0;
vaddr = kmap(page);
if (page_do_bit17_swizzling)
ret = __copy_from_user_swizzled(vaddr, shmem_page_offset,
user_data,
page_length);
else
ret = __copy_from_user(vaddr + shmem_page_offset,
user_data,
page_length);
kunmap(page);
set_page_dirty(page);
mark_page_accessed(page);
page_cache_release(page);
if (ret) {
ret = -EFAULT;
goto out;
}
remain -= page_length;
data_ptr += page_length;
user_data += page_length;
offset += page_length;
}
out:
for (i = 0; i < pinned_pages; i++)
page_cache_release(user_pages[i]);
drm_free_large(user_pages);
mutex_lock(&dev->struct_mutex);
/* Fixup: Kill any reinstated backing storage pages */
if (obj->madv == __I915_MADV_PURGED)
i915_gem_object_truncate(obj);
/* and flush dirty cachelines in case the object isn't in the cpu write
* domain anymore. */
if (obj->base.write_domain != I915_GEM_DOMAIN_CPU) {
i915_gem_clflush_object(obj);
intel_gtt_chipset_flush();
}
return ret;
}
@ -996,10 +922,13 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
* pread/pwrite currently are reading and writing from the CPU
* perspective, requiring manual detiling by the client.
*/
if (obj->phys_obj)
if (obj->phys_obj) {
ret = i915_gem_phys_pwrite(dev, obj, args, file);
else if (obj->gtt_space &&
obj->base.write_domain != I915_GEM_DOMAIN_CPU) {
goto out;
}
if (obj->gtt_space &&
obj->base.write_domain != I915_GEM_DOMAIN_CPU) {
ret = i915_gem_object_pin(obj, 0, true);
if (ret)
goto out;
@ -1018,18 +947,24 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
out_unpin:
i915_gem_object_unpin(obj);
} else {
ret = i915_gem_object_set_to_cpu_domain(obj, 1);
if (ret)
goto out;
ret = -EFAULT;
if (!i915_gem_object_needs_bit17_swizzle(obj))
ret = i915_gem_shmem_pwrite_fast(dev, obj, args, file);
if (ret == -EFAULT)
ret = i915_gem_shmem_pwrite_slow(dev, obj, args, file);
if (ret != -EFAULT)
goto out;
/* Fall through to the shmfs paths because the gtt paths might
* fail with non-page-backed user pointers (e.g. gtt mappings
* when moving data between textures). */
}
ret = i915_gem_object_set_to_cpu_domain(obj, 1);
if (ret)
goto out;
ret = -EFAULT;
if (!i915_gem_object_needs_bit17_swizzle(obj))
ret = i915_gem_shmem_pwrite_fast(dev, obj, args, file);
if (ret == -EFAULT)
ret = i915_gem_shmem_pwrite_slow(dev, obj, args, file);
out:
drm_gem_object_unreference(&obj->base);
unlock:
@ -1141,7 +1076,6 @@ int
i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_mmap *args = data;
struct drm_gem_object *obj;
unsigned long addr;
@ -1153,11 +1087,6 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
if (obj == NULL)
return -ENOENT;
if (obj->size > dev_priv->mm.gtt_mappable_end) {
drm_gem_object_unreference_unlocked(obj);
return -E2BIG;
}
down_write(&current->mm->mmap_sem);
addr = do_mmap(obj->filp, 0, args->size,
PROT_READ | PROT_WRITE, MAP_SHARED,
@ -1943,7 +1872,8 @@ i915_gem_retire_work_handler(struct work_struct *work)
*/
int
i915_wait_request(struct intel_ring_buffer *ring,
uint32_t seqno)
uint32_t seqno,
bool do_retire)
{
drm_i915_private_t *dev_priv = ring->dev->dev_private;
u32 ier;
@ -2027,7 +1957,7 @@ i915_wait_request(struct intel_ring_buffer *ring,
* buffer to have made it to the inactive list, and we would need
* a separate wait queue to handle that.
*/
if (ret == 0)
if (ret == 0 && do_retire)
i915_gem_retire_requests_ring(ring);
return ret;
@ -2051,7 +1981,8 @@ i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj)
* it.
*/
if (obj->active) {
ret = i915_wait_request(obj->ring, obj->last_rendering_seqno);
ret = i915_wait_request(obj->ring, obj->last_rendering_seqno,
true);
if (ret)
return ret;
}
@ -2172,7 +2103,7 @@ i915_gem_flush_ring(struct intel_ring_buffer *ring,
return 0;
}
static int i915_ring_idle(struct intel_ring_buffer *ring)
static int i915_ring_idle(struct intel_ring_buffer *ring, bool do_retire)
{
int ret;
@ -2186,18 +2117,18 @@ static int i915_ring_idle(struct intel_ring_buffer *ring)
return ret;
}
return i915_wait_request(ring, i915_gem_next_request_seqno(ring));
return i915_wait_request(ring, i915_gem_next_request_seqno(ring),
do_retire);
}
int
i915_gpu_idle(struct drm_device *dev)
int i915_gpu_idle(struct drm_device *dev, bool do_retire)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int ret, i;
/* Flush everything onto the inactive list. */
for (i = 0; i < I915_NUM_RINGS; i++) {
ret = i915_ring_idle(&dev_priv->ring[i]);
ret = i915_ring_idle(&dev_priv->ring[i], do_retire);
if (ret)
return ret;
}
@ -2400,7 +2331,8 @@ i915_gem_object_flush_fence(struct drm_i915_gem_object *obj,
if (!ring_passed_seqno(obj->last_fenced_ring,
obj->last_fenced_seqno)) {
ret = i915_wait_request(obj->last_fenced_ring,
obj->last_fenced_seqno);
obj->last_fenced_seqno,
true);
if (ret)
return ret;
}
@ -2432,6 +2364,8 @@ i915_gem_object_put_fence(struct drm_i915_gem_object *obj)
if (obj->fence_reg != I915_FENCE_REG_NONE) {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
WARN_ON(dev_priv->fence_regs[obj->fence_reg].pin_count);
i915_gem_clear_fence_reg(obj->base.dev,
&dev_priv->fence_regs[obj->fence_reg]);
@ -2456,7 +2390,7 @@ i915_find_fence_reg(struct drm_device *dev,
if (!reg->obj)
return reg;
if (!reg->obj->pin_count)
if (!reg->pin_count)
avail = reg;
}
@ -2466,7 +2400,7 @@ i915_find_fence_reg(struct drm_device *dev,
/* None available, try to steal one or wait for a user to finish */
avail = first = NULL;
list_for_each_entry(reg, &dev_priv->mm.fence_list, lru_list) {
if (reg->obj->pin_count)
if (reg->pin_count)
continue;
if (first == NULL)
@ -2541,7 +2475,8 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
if (!ring_passed_seqno(obj->last_fenced_ring,
reg->setup_seqno)) {
ret = i915_wait_request(obj->last_fenced_ring,
reg->setup_seqno);
reg->setup_seqno,
true);
if (ret)
return ret;
}
@ -2560,7 +2495,7 @@ i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
reg = i915_find_fence_reg(dev, pipelined);
if (reg == NULL)
return -ENOSPC;
return -EDEADLK;
ret = i915_gem_object_flush_fence(obj, pipelined);
if (ret)
@ -2660,6 +2595,7 @@ i915_gem_clear_fence_reg(struct drm_device *dev,
list_del_init(&reg->lru_list);
reg->obj = NULL;
reg->setup_seqno = 0;
reg->pin_count = 0;
}
/**
@ -3710,7 +3646,7 @@ i915_gem_idle(struct drm_device *dev)
return 0;
}
ret = i915_gpu_idle(dev);
ret = i915_gpu_idle(dev, true);
if (ret) {
mutex_unlock(&dev->struct_mutex);
return ret;
@ -4201,7 +4137,7 @@ i915_gem_inactive_shrink(struct shrinker *shrinker, struct shrink_control *sc)
* This has a dramatic impact to reduce the number of
* OOM-killer events whilst running the GPU aggressively.
*/
if (i915_gpu_idle(dev) == 0)
if (i915_gpu_idle(dev, true) == 0)
goto rescan;
}
mutex_unlock(&dev->struct_mutex);

2
drivers/gpu/drm/i915/i915_gem_evict.c
View file

@ -195,7 +195,7 @@ i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only)
trace_i915_gem_evict_everything(dev, purgeable_only);
/* Flush everything (on to the inactive lists) and evict */
ret = i915_gpu_idle(dev);
ret = i915_gpu_idle(dev, true);
if (ret)
return ret;

148
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View file

@ -203,9 +203,9 @@ i915_gem_object_set_to_gpu_domain(struct drm_i915_gem_object *obj,
cd->invalidate_domains |= invalidate_domains;
cd->flush_domains |= flush_domains;
if (flush_domains & I915_GEM_GPU_DOMAINS)
cd->flush_rings |= obj->ring->id;
cd->flush_rings |= intel_ring_flag(obj->ring);
if (invalidate_domains & I915_GEM_GPU_DOMAINS)
cd->flush_rings |= ring->id;
cd->flush_rings |= intel_ring_flag(ring);
}
struct eb_objects {
@ -303,8 +303,9 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj,
reloc->write_domain);
return ret;
}
if (unlikely((reloc->write_domain | reloc->read_domains) & I915_GEM_DOMAIN_CPU)) {
DRM_ERROR("reloc with read/write CPU domains: "
if (unlikely((reloc->write_domain | reloc->read_domains)
& ~I915_GEM_GPU_DOMAINS)) {
DRM_ERROR("reloc with read/write non-GPU domains: "
"obj %p target %d offset %d "
"read %08x write %08x",
obj, reloc->target_handle,
@ -461,6 +462,54 @@ i915_gem_execbuffer_relocate(struct drm_device *dev,
return ret;
}
#define __EXEC_OBJECT_HAS_FENCE (1<<31)
static int
pin_and_fence_object(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *ring)
{
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4;
bool need_fence, need_mappable;
int ret;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
need_mappable =
entry->relocation_count ? true : need_fence;
ret = i915_gem_object_pin(obj, entry->alignment, need_mappable);
if (ret)
return ret;
if (has_fenced_gpu_access) {
if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) {
if (obj->tiling_mode) {
ret = i915_gem_object_get_fence(obj, ring);
if (ret)
goto err_unpin;
entry->flags |= __EXEC_OBJECT_HAS_FENCE;
i915_gem_object_pin_fence(obj);
} else {
ret = i915_gem_object_put_fence(obj);
if (ret)
goto err_unpin;
}
}
obj->pending_fenced_gpu_access = need_fence;
}
entry->offset = obj->gtt_offset;
return 0;
err_unpin:
i915_gem_object_unpin(obj);
return ret;
}
static int
i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
struct drm_file *file,
@ -518,6 +567,7 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
list_for_each_entry(obj, objects, exec_list) {
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
bool need_fence, need_mappable;
if (!obj->gtt_space)
continue;
@ -532,58 +582,47 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
(need_mappable && !obj->map_and_fenceable))
ret = i915_gem_object_unbind(obj);
else
ret = i915_gem_object_pin(obj,
entry->alignment,
need_mappable);
ret = pin_and_fence_object(obj, ring);
if (ret)
goto err;
entry++;
}
/* Bind fresh objects */
list_for_each_entry(obj, objects, exec_list) {
struct drm_i915_gem_exec_object2 *entry = obj->exec_entry;
bool need_fence;
if (obj->gtt_space)
continue;
need_fence =
has_fenced_gpu_access &&
entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode != I915_TILING_NONE;
ret = pin_and_fence_object(obj, ring);
if (ret) {
int ret_ignore;
if (!obj->gtt_space) {
bool need_mappable =
entry->relocation_count ? true : need_fence;
ret = i915_gem_object_pin(obj,
entry->alignment,
need_mappable);
if (ret)
break;
/* This can potentially raise a harmless
* -EINVAL if we failed to bind in the above
* call. It cannot raise -EINTR since we know
* that the bo is freshly bound and so will
* not need to be flushed or waited upon.
*/
ret_ignore = i915_gem_object_unbind(obj);
(void)ret_ignore;
WARN_ON(obj->gtt_space);
break;
}
if (has_fenced_gpu_access) {
if (need_fence) {
ret = i915_gem_object_get_fence(obj, ring);
if (ret)
break;
} else if (entry->flags & EXEC_OBJECT_NEEDS_FENCE &&
obj->tiling_mode == I915_TILING_NONE) {
/* XXX pipelined! */
ret = i915_gem_object_put_fence(obj);
if (ret)
break;
}
obj->pending_fenced_gpu_access = need_fence;
}
entry->offset = obj->gtt_offset;
}
/* Decrement pin count for bound objects */
list_for_each_entry(obj, objects, exec_list) {
if (obj->gtt_space)
i915_gem_object_unpin(obj);
struct drm_i915_gem_exec_object2 *entry;
if (!obj->gtt_space)
continue;
entry = obj->exec_entry;
if (entry->flags & __EXEC_OBJECT_HAS_FENCE) {
i915_gem_object_unpin_fence(obj);
entry->flags &= ~__EXEC_OBJECT_HAS_FENCE;
}
i915_gem_object_unpin(obj);
}
if (ret != -ENOSPC || retry > 1)
@ -600,16 +639,19 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
} while (1);
err:
obj = list_entry(obj->exec_list.prev,
struct drm_i915_gem_object,
exec_list);
while (objects != &obj->exec_list) {
if (obj->gtt_space)
i915_gem_object_unpin(obj);
list_for_each_entry_continue_reverse(obj, objects, exec_list) {
struct drm_i915_gem_exec_object2 *entry;
obj = list_entry(obj->exec_list.prev,
struct drm_i915_gem_object,
exec_list);
if (!obj->gtt_space)
continue;
entry = obj->exec_entry;
if (entry->flags & __EXEC_OBJECT_HAS_FENCE) {
i915_gem_object_unpin_fence(obj);
entry->flags &= ~__EXEC_OBJECT_HAS_FENCE;
}
i915_gem_object_unpin(obj);
}
return ret;
@ -1186,7 +1228,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
* so every billion or so execbuffers, we need to stall
* the GPU in order to reset the counters.
*/
ret = i915_gpu_idle(dev);
ret = i915_gpu_idle(dev, true);
if (ret)
goto err;

2
drivers/gpu/drm/i915/i915_gem_gtt.c
View file

@ -55,7 +55,7 @@ static bool do_idling(struct drm_i915_private *dev_priv)
if (unlikely(dev_priv->mm.gtt->do_idle_maps)) {
dev_priv->mm.interruptible = false;
if (i915_gpu_idle(dev_priv->dev)) {
if (i915_gpu_idle(dev_priv->dev, false)) {
DRM_ERROR("Couldn't idle GPU\n");
/* Wait a bit, in hopes it avoids the hang */
udelay(10);

4
drivers/gpu/drm/i915/i915_gem_tiling.c
View file

@ -107,10 +107,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
*/
swizzle_x = I915_BIT_6_SWIZZLE_NONE;
swizzle_y = I915_BIT_6_SWIZZLE_NONE;
} else if (IS_MOBILE(dev)) {
} else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) {
uint32_t dcc;
/* On mobile 9xx chipsets, channel interleave by the CPU is
/* On 9xx chipsets, channel interleave by the CPU is
* determined by DCC. For single-channel, neither the CPU
* nor the GPU do swizzling. For dual channel interleaved,
* the GPU's interleave is bit 9 and 10 for X tiled, and bit

116
drivers/gpu/drm/i915/i915_irq.c
View file

@ -720,7 +720,6 @@ i915_error_object_create(struct drm_i915_private *dev_priv,
reloc_offset = src->gtt_offset;
for (page = 0; page < page_count; page++) {
unsigned long flags;
void __iomem *s;
void *d;
d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
@ -728,10 +727,29 @@ i915_error_object_create(struct drm_i915_private *dev_priv,
goto unwind;
local_irq_save(flags);
s = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
reloc_offset);
memcpy_fromio(d, s, PAGE_SIZE);
io_mapping_unmap_atomic(s);
if (reloc_offset < dev_priv->mm.gtt_mappable_end) {
void __iomem *s;
/* Simply ignore tiling or any overlapping fence.
* It's part of the error state, and this hopefully
* captures what the GPU read.
*/
s = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
reloc_offset);
memcpy_fromio(d, s, PAGE_SIZE);
io_mapping_unmap_atomic(s);
} else {
void *s;
drm_clflush_pages(&src->pages[page], 1);
s = kmap_atomic(src->pages[page]);
memcpy(d, s, PAGE_SIZE);
kunmap_atomic(s);
drm_clflush_pages(&src->pages[page], 1);
}
local_irq_restore(flags);
dst->pages[page] = d;
@ -804,7 +822,7 @@ static u32 capture_bo_list(struct drm_i915_error_buffer *err,
err->tiling = obj->tiling_mode;
err->dirty = obj->dirty;
err->purgeable = obj->madv != I915_MADV_WILLNEED;
err->ring = obj->ring ? obj->ring->id : 0;
err->ring = obj->ring ? obj->ring->id : -1;
err->cache_level = obj->cache_level;
if (++i == count)
@ -876,6 +894,39 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
return NULL;
}
static void i915_record_ring_state(struct drm_device *dev,
struct drm_i915_error_state *error,
struct intel_ring_buffer *ring)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (INTEL_INFO(dev)->gen >= 6) {
error->faddr[ring->id] = I915_READ(RING_DMA_FADD(ring->mmio_base));
error->fault_reg[ring->id] = I915_READ(RING_FAULT_REG(ring));
}
if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir[ring->id] = I915_READ(RING_IPEIR(ring->mmio_base));
error->ipehr[ring->id] = I915_READ(RING_IPEHR(ring->mmio_base));
error->instdone[ring->id] = I915_READ(RING_INSTDONE(ring->mmio_base));
error->instps[ring->id] = I915_READ(RING_INSTPS(ring->mmio_base));
if (ring->id == RCS) {
error->instdone1 = I915_READ(INSTDONE1);
error->bbaddr = I915_READ64(BB_ADDR);
}
} else {
error->ipeir[ring->id] = I915_READ(IPEIR);
error->ipehr[ring->id] = I915_READ(IPEHR);
error->instdone[ring->id] = I915_READ(INSTDONE);
}
error->instpm[ring->id] = I915_READ(RING_INSTPM(ring->mmio_base));
error->seqno[ring->id] = ring->get_seqno(ring);
error->acthd[ring->id] = intel_ring_get_active_head(ring);
error->head[ring->id] = I915_READ_HEAD(ring);
error->tail[ring->id] = I915_READ_TAIL(ring);
}
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
@ -900,7 +951,7 @@ static void i915_capture_error_state(struct drm_device *dev)
return;
/* Account for pipe specific data like PIPE*STAT */
error = kmalloc(sizeof(*error), GFP_ATOMIC);
error = kzalloc(sizeof(*error), GFP_ATOMIC);
if (!error) {
DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
return;
@ -909,47 +960,22 @@ static void i915_capture_error_state(struct drm_device *dev)
DRM_INFO("capturing error event; look for more information in /debug/dri/%d/i915_error_state\n",
dev->primary->index);
error->seqno = dev_priv->ring[RCS].get_seqno(&dev_priv->ring[RCS]);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
for_each_pipe(pipe)
error->pipestat[pipe] = I915_READ(PIPESTAT(pipe));
error->instpm = I915_READ(INSTPM);
error->error = 0;
if (INTEL_INFO(dev)->gen >= 6) {
error->error = I915_READ(ERROR_GEN6);
error->bcs_acthd = I915_READ(BCS_ACTHD);
error->bcs_ipehr = I915_READ(BCS_IPEHR);
error->bcs_ipeir = I915_READ(BCS_IPEIR);
error->bcs_instdone = I915_READ(BCS_INSTDONE);
error->bcs_seqno = 0;
if (dev_priv->ring[BCS].get_seqno)
error->bcs_seqno = dev_priv->ring[BCS].get_seqno(&dev_priv->ring[BCS]);
error->vcs_acthd = I915_READ(VCS_ACTHD);
error->vcs_ipehr = I915_READ(VCS_IPEHR);
error->vcs_ipeir = I915_READ(VCS_IPEIR);
error->vcs_instdone = I915_READ(VCS_INSTDONE);
error->vcs_seqno = 0;
if (dev_priv->ring[VCS].get_seqno)
error->vcs_seqno = dev_priv->ring[VCS].get_seqno(&dev_priv->ring[VCS]);
}
if (INTEL_INFO(dev)->gen >= 4) {
error->ipeir = I915_READ(IPEIR_I965);
error->ipehr = I915_READ(IPEHR_I965);
error->instdone = I915_READ(INSTDONE_I965);
error->instps = I915_READ(INSTPS);
error->instdone1 = I915_READ(INSTDONE1);
error->acthd = I915_READ(ACTHD_I965);
error->bbaddr = I915_READ64(BB_ADDR);
} else {
error->ipeir = I915_READ(IPEIR);
error->ipehr = I915_READ(IPEHR);
error->instdone = I915_READ(INSTDONE);
error->acthd = I915_READ(ACTHD);
error->bbaddr = 0;
error->done_reg = I915_READ(DONE_REG);
}
i915_record_ring_state(dev, error, &dev_priv->ring[RCS]);
if (HAS_BLT(dev))
i915_record_ring_state(dev, error, &dev_priv->ring[BCS]);
if (HAS_BSD(dev))
i915_record_ring_state(dev, error, &dev_priv->ring[VCS]);
i915_gem_record_fences(dev, error);
/* Record the active batch and ring buffers */
@ -1017,11 +1043,12 @@ void i915_destroy_error_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_error_state *error;
unsigned long flags;
spin_lock(&dev_priv->error_lock);
spin_lock_irqsave(&dev_priv->error_lock, flags);
error = dev_priv->first_error;
dev_priv->first_error = NULL;
spin_unlock(&dev_priv->error_lock);
spin_unlock_irqrestore(&dev_priv->error_lock, flags);
if (error)
i915_error_state_free(dev, error);
@ -1698,6 +1725,7 @@ void i915_hangcheck_elapsed(unsigned long data)
dev_priv->last_instdone1 == instdone1) {
if (dev_priv->hangcheck_count++ > 1) {
DRM_ERROR("Hangcheck timer elapsed... GPU hung\n");
i915_handle_error(dev, true);
if (!IS_GEN2(dev)) {
/* Is the chip hanging on a WAIT_FOR_EVENT?
@ -1705,7 +1733,6 @@ void i915_hangcheck_elapsed(unsigned long data)
* and break the hang. This should work on
* all but the second generation chipsets.
*/
if (kick_ring(&dev_priv->ring[RCS]))
goto repeat;
@ -1718,7 +1745,6 @@ void i915_hangcheck_elapsed(unsigned long data)
goto repeat;
}
i915_handle_error(dev, true);
return;
}
} else {

30
drivers/gpu/drm/i915/i915_reg.h
View file

@ -319,6 +319,8 @@
#define RING_HWS_PGA(base) ((base)+0x80)
#define RING_HWS_PGA_GEN6(base) ((base)+0x2080)
#define RENDER_HWS_PGA_GEN7 (0x04080)
#define RING_FAULT_REG(ring) (0x4094 + 0x100*(ring)->id)
#define DONE_REG 0x40b0
#define BSD_HWS_PGA_GEN7 (0x04180)
#define BLT_HWS_PGA_GEN7 (0x04280)
#define RING_ACTHD(base) ((base)+0x74)
@ -352,6 +354,12 @@
#define IPEIR_I965 0x02064
#define IPEHR_I965 0x02068
#define INSTDONE_I965 0x0206c
#define RING_IPEIR(base) ((base)+0x64)
#define RING_IPEHR(base) ((base)+0x68)
#define RING_INSTDONE(base) ((base)+0x6c)
#define RING_INSTPS(base) ((base)+0x70)
#define RING_DMA_FADD(base) ((base)+0x78)
#define RING_INSTPM(base) ((base)+0xc0)
#define INSTPS 0x02070 /* 965+ only */
#define INSTDONE1 0x0207c /* 965+ only */
#define ACTHD_I965 0x02074
@ -365,14 +373,6 @@
#define INSTDONE 0x02090
#define NOPID 0x02094
#define HWSTAM 0x02098
#define VCS_INSTDONE 0x1206C
#define VCS_IPEIR 0x12064
#define VCS_IPEHR 0x12068
#define VCS_ACTHD 0x12074
#define BCS_INSTDONE 0x2206C
#define BCS_IPEIR 0x22064
#define BCS_IPEHR 0x22068
#define BCS_ACTHD 0x22074
#define ERROR_GEN6 0x040a0
@ -391,7 +391,7 @@
#define MI_MODE 0x0209c
# define VS_TIMER_DISPATCH (1 << 6)
# define MI_FLUSH_ENABLE (1 << 11)
# define MI_FLUSH_ENABLE (1 << 12)
#define GFX_MODE 0x02520
#define GFX_MODE_GEN7 0x0229c
@ -3742,4 +3742,16 @@
*/
#define GEN7_SO_WRITE_OFFSET(n) (0x5280 + (n) * 4)
#define IBX_AUD_CONFIG_A 0xe2000
#define CPT_AUD_CONFIG_A 0xe5000
#define AUD_CONFIG_N_VALUE_INDEX (1 << 29)
#define AUD_CONFIG_N_PROG_ENABLE (1 << 28)
#define AUD_CONFIG_UPPER_N_SHIFT 20
#define AUD_CONFIG_UPPER_N_VALUE (0xff << 20)
#define AUD_CONFIG_LOWER_N_SHIFT 4
#define AUD_CONFIG_LOWER_N_VALUE (0xfff << 4)
#define AUD_CONFIG_PIXEL_CLOCK_HDMI_SHIFT 16
#define AUD_CONFIG_PIXEL_CLOCK_HDMI (0xf << 16)
#define AUD_CONFIG_DISABLE_NCTS (1 << 3)
#endif /* _I915_REG_H_ */

57
drivers/gpu/drm/i915/intel_display.c
View file

@ -936,6 +936,10 @@ void assert_pipe(struct drm_i915_private *dev_priv,
u32 val;
bool cur_state;
/* if we need the pipe A quirk it must be always on */
if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE)
state = true;
reg = PIPECONF(pipe);
val = I915_READ(reg);
cur_state = !!(val & PIPECONF_ENABLE);
@ -2037,6 +2041,8 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
ret = i915_gem_object_get_fence(obj, pipelined);
if (ret)
goto err_unpin;
i915_gem_object_pin_fence(obj);
}
dev_priv->mm.interruptible = true;
@ -2049,6 +2055,12 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev,
return ret;
}
void intel_unpin_fb_obj(struct drm_i915_gem_object *obj)
{
i915_gem_object_unpin_fence(obj);
i915_gem_object_unpin(obj);
}
static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
int x, int y)
{
@ -2280,7 +2292,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y,
LEAVE_ATOMIC_MODE_SET);
if (ret) {
i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
intel_unpin_fb_obj(to_intel_framebuffer(crtc->fb)->obj);
mutex_unlock(&dev->struct_mutex);
DRM_ERROR("failed to update base address\n");
return ret;
@ -2288,7 +2300,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
if (old_fb) {
intel_wait_for_vblank(dev, intel_crtc->pipe);
i915_gem_object_unpin(to_intel_framebuffer(old_fb)->obj);
intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj);
}
mutex_unlock(&dev->struct_mutex);
@ -3351,7 +3363,7 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
if (crtc->fb) {
mutex_lock(&dev->struct_mutex);
i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
intel_unpin_fb_obj(to_intel_framebuffer(crtc->fb)->obj);
mutex_unlock(&dev->struct_mutex);
}
}
@ -4548,6 +4560,7 @@ void sandybridge_update_wm(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int latency = SNB_READ_WM0_LATENCY() * 100; /* In unit 0.1us */
u32 val;
int fbc_wm, plane_wm, cursor_wm;
unsigned int enabled;
@ -4556,8 +4569,10 @@ void sandybridge_update_wm(struct drm_device *dev)
&sandybridge_display_wm_info, latency,
&sandybridge_cursor_wm_info, latency,
&plane_wm, &cursor_wm)) {
I915_WRITE(WM0_PIPEA_ILK,
(plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm);
val = I915_READ(WM0_PIPEA_ILK);
val &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
I915_WRITE(WM0_PIPEA_ILK, val |
((plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm));
DRM_DEBUG_KMS("FIFO watermarks For pipe A -"
" plane %d, " "cursor: %d\n",
plane_wm, cursor_wm);
@ -4568,8 +4583,10 @@ void sandybridge_update_wm(struct drm_device *dev)
&sandybridge_display_wm_info, latency,
&sandybridge_cursor_wm_info, latency,
&plane_wm, &cursor_wm)) {
I915_WRITE(WM0_PIPEB_ILK,
(plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm);
val = I915_READ(WM0_PIPEB_ILK);
val &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
I915_WRITE(WM0_PIPEB_ILK, val |
((plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm));
DRM_DEBUG_KMS("FIFO watermarks For pipe B -"
" plane %d, cursor: %d\n",
plane_wm, cursor_wm);
@ -4582,8 +4599,10 @@ void sandybridge_update_wm(struct drm_device *dev)
&sandybridge_display_wm_info, latency,
&sandybridge_cursor_wm_info, latency,
&plane_wm, &cursor_wm)) {
I915_WRITE(WM0_PIPEC_IVB,
(plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm);
val = I915_READ(WM0_PIPEC_IVB);
val &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
I915_WRITE(WM0_PIPEC_IVB, val |
((plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm));
DRM_DEBUG_KMS("FIFO watermarks For pipe C -"
" plane %d, cursor: %d\n",
plane_wm, cursor_wm);
@ -4727,6 +4746,7 @@ static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe,
{
struct drm_i915_private *dev_priv = dev->dev_private;
int latency = SNB_READ_WM0_LATENCY() * 100; /* In unit 0.1us */
u32 val;
int sprite_wm, reg;
int ret;
@ -4753,7 +4773,9 @@ static void sandybridge_update_sprite_wm(struct drm_device *dev, int pipe,
return;
}
I915_WRITE(reg, I915_READ(reg) | (sprite_wm << WM0_PIPE_SPRITE_SHIFT));
val = I915_READ(reg);
val &= ~WM0_PIPE_SPRITE_MASK;
I915_WRITE(reg, val | (sprite_wm << WM0_PIPE_SPRITE_SHIFT));
DRM_DEBUG_KMS("sprite watermarks For pipe %d - %d\n", pipe, sprite_wm);
@ -6130,15 +6152,18 @@ static void ironlake_write_eld(struct drm_connector *connector,
uint32_t i;
int len;
int hdmiw_hdmiedid;
int aud_config;
int aud_cntl_st;
int aud_cntrl_st2;
if (HAS_PCH_IBX(connector->dev)) {
hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID_A;
aud_config = IBX_AUD_CONFIG_A;
aud_cntl_st = IBX_AUD_CNTL_ST_A;
aud_cntrl_st2 = IBX_AUD_CNTL_ST2;
} else {
hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID_A;
aud_config = CPT_AUD_CONFIG_A;
aud_cntl_st = CPT_AUD_CNTL_ST_A;
aud_cntrl_st2 = CPT_AUD_CNTRL_ST2;
}
@ -6146,6 +6171,7 @@ static void ironlake_write_eld(struct drm_connector *connector,
i = to_intel_crtc(crtc)->pipe;
hdmiw_hdmiedid += i * 0x100;
aud_cntl_st += i * 0x100;
aud_config += i * 0x100;
DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(i));
@ -6165,7 +6191,9 @@ static void ironlake_write_eld(struct drm_connector *connector,
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n");
eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */
}
I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */
} else
I915_WRITE(aud_config, 0);
if (intel_eld_uptodate(connector,
aud_cntrl_st2, eldv,
@ -7141,7 +7169,7 @@ static void intel_unpin_work_fn(struct work_struct *__work)
container_of(__work, struct intel_unpin_work, work);
mutex_lock(&work->dev->struct_mutex);
i915_gem_object_unpin(work->old_fb_obj);
intel_unpin_fb_obj(work->old_fb_obj);
drm_gem_object_unreference(&work->pending_flip_obj->base);
drm_gem_object_unreference(&work->old_fb_obj->base);
@ -7291,7 +7319,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitches[0]);
OUT_RING(obj->gtt_offset + offset);
OUT_RING(MI_NOOP);
OUT_RING(0); /* aux display base address, unused */
ADVANCE_LP_RING();
out:
return ret;
@ -7883,7 +7911,8 @@ int intel_framebuffer_init(struct drm_device *dev,
case DRM_FORMAT_VYUY:
break;
default:
DRM_ERROR("unsupported pixel format\n");
DRM_DEBUG_KMS("unsupported pixel format %u\n",
mode_cmd->pixel_format);
return -EINVAL;
}

1
drivers/gpu/drm/i915/intel_drv.h
View file

@ -374,6 +374,7 @@ extern void intel_init_emon(struct drm_device *dev);
extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
struct drm_i915_gem_object *obj,
struct intel_ring_buffer *pipelined);
extern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
extern int intel_framebuffer_init(struct drm_device *dev,
struct intel_framebuffer *ifb,

6
drivers/gpu/drm/i915/intel_overlay.c
View file

@ -227,7 +227,8 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
}
overlay->last_flip_req = request->seqno;
overlay->flip_tail = tail;
ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req);
ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req,
true);
if (ret)
return ret;
@ -448,7 +449,8 @@ static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
if (overlay->last_flip_req == 0)
return 0;
ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req);
ret = i915_wait_request(LP_RING(dev_priv), overlay->last_flip_req,
true);
if (ret)
return ret;

97
drivers/gpu/drm/i915/intel_ringbuffer.c
View file

@ -399,8 +399,6 @@ static int init_render_ring(struct intel_ring_buffer *ring)
if (INTEL_INFO(dev)->gen > 3) {
int mode = VS_TIMER_DISPATCH << 16 | VS_TIMER_DISPATCH;
if (IS_GEN6(dev) || IS_GEN7(dev))
mode |= MI_FLUSH_ENABLE << 16 | MI_FLUSH_ENABLE;
I915_WRITE(MI_MODE, mode);
if (IS_GEN7(dev))
I915_WRITE(GFX_MODE_GEN7,
@ -744,13 +742,13 @@ void intel_ring_setup_status_page(struct intel_ring_buffer *ring)
*/
if (IS_GEN7(dev)) {
switch (ring->id) {
case RING_RENDER:
case RCS:
mmio = RENDER_HWS_PGA_GEN7;
break;
case RING_BLT:
case BCS:
mmio = BLT_HWS_PGA_GEN7;
break;
case RING_BSD:
case VCS:
mmio = BSD_HWS_PGA_GEN7;
break;
}
@ -1212,7 +1210,7 @@ void intel_ring_advance(struct intel_ring_buffer *ring)
static const struct intel_ring_buffer render_ring = {
.name = "render ring",
.id = RING_RENDER,
.id = RCS,
.mmio_base = RENDER_RING_BASE,
.size = 32 * PAGE_SIZE,
.init = init_render_ring,
@ -1235,7 +1233,7 @@ static const struct intel_ring_buffer render_ring = {
static const struct intel_ring_buffer bsd_ring = {
.name = "bsd ring",
.id = RING_BSD,
.id = VCS,
.mmio_base = BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
.init = init_ring_common,
@ -1345,7 +1343,7 @@ gen6_bsd_ring_put_irq(struct intel_ring_buffer *ring)
/* ring buffer for Video Codec for Gen6+ */
static const struct intel_ring_buffer gen6_bsd_ring = {
.name = "gen6 bsd ring",
.id = RING_BSD,
.id = VCS,
.mmio_base = GEN6_BSD_RING_BASE,
.size = 32 * PAGE_SIZE,
.init = init_ring_common,
@ -1381,79 +1379,13 @@ blt_ring_put_irq(struct intel_ring_buffer *ring)
GEN6_BLITTER_USER_INTERRUPT);
}
/* Workaround for some stepping of SNB,
* each time when BLT engine ring tail moved,
* the first command in the ring to be parsed
* should be MI_BATCH_BUFFER_START
*/
#define NEED_BLT_WORKAROUND(dev) \
(IS_GEN6(dev) && (dev->pdev->revision < 8))
static inline struct drm_i915_gem_object *
to_blt_workaround(struct intel_ring_buffer *ring)
{
return ring->private;
}
static int blt_ring_init(struct intel_ring_buffer *ring)
{
if (NEED_BLT_WORKAROUND(ring->dev)) {
struct drm_i915_gem_object *obj;
u32 *ptr;
int ret;
obj = i915_gem_alloc_object(ring->dev, 4096);
if (obj == NULL)
return -ENOMEM;
ret = i915_gem_object_pin(obj, 4096, true);
if (ret) {
drm_gem_object_unreference(&obj->base);
return ret;
}
ptr = kmap(obj->pages[0]);
*ptr++ = MI_BATCH_BUFFER_END;
*ptr++ = MI_NOOP;
kunmap(obj->pages[0]);
ret = i915_gem_object_set_to_gtt_domain(obj, false);
if (ret) {
i915_gem_object_unpin(obj);
drm_gem_object_unreference(&obj->base);
return ret;
}
ring->private = obj;
}
return init_ring_common(ring);
}
static int blt_ring_begin(struct intel_ring_buffer *ring,
int num_dwords)
{
if (ring->private) {
int ret = intel_ring_begin(ring, num_dwords+2);
if (ret)
return ret;
intel_ring_emit(ring, MI_BATCH_BUFFER_START);
intel_ring_emit(ring, to_blt_workaround(ring)->gtt_offset);
return 0;
} else
return intel_ring_begin(ring, 4);
}
static int blt_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate, u32 flush)
{
uint32_t cmd;
int ret;
ret = blt_ring_begin(ring, 4);
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
@ -1468,22 +1400,12 @@ static int blt_ring_flush(struct intel_ring_buffer *ring,
return 0;
}
static void blt_ring_cleanup(struct intel_ring_buffer *ring)
{
if (!ring->private)
return;
i915_gem_object_unpin(ring->private);
drm_gem_object_unreference(ring->private);
ring->private = NULL;
}
static const struct intel_ring_buffer gen6_blt_ring = {
.name = "blt ring",
.id = RING_BLT,
.id = BCS,
.mmio_base = BLT_RING_BASE,
.size = 32 * PAGE_SIZE,
.init = blt_ring_init,
.init = init_ring_common,
.write_tail = ring_write_tail,
.flush = blt_ring_flush,
.add_request = gen6_add_request,
@ -1491,7 +1413,6 @@ static const struct intel_ring_buffer gen6_blt_ring = {
.irq_get = blt_ring_get_irq,
.irq_put = blt_ring_put_irq,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
.cleanup = blt_ring_cleanup,
.sync_to = gen6_blt_ring_sync_to,
.semaphore_register = {MI_SEMAPHORE_SYNC_BR,
MI_SEMAPHORE_SYNC_BV,

20
drivers/gpu/drm/i915/intel_ringbuffer.h
View file

@ -1,13 +1,6 @@
#ifndef _INTEL_RINGBUFFER_H_
#define _INTEL_RINGBUFFER_H_
enum {
RCS = 0x0,
VCS,
BCS,
I915_NUM_RINGS,
};
struct intel_hw_status_page {
u32 __iomem *page_addr;
unsigned int gfx_addr;
@ -36,10 +29,11 @@ struct intel_hw_status_page {
struct intel_ring_buffer {
const char *name;
enum intel_ring_id {
RING_RENDER = 0x1,
RING_BSD = 0x2,
RING_BLT = 0x4,
RCS = 0x0,
VCS,
BCS,
} id;
#define I915_NUM_RINGS 3
u32 mmio_base;
void __iomem *virtual_start;
struct drm_device *dev;
@ -119,6 +113,12 @@ struct intel_ring_buffer {
void *private;
};
static inline unsigned
intel_ring_flag(struct intel_ring_buffer *ring)
{
return 1 << ring->id;
}
static inline u32
intel_ring_sync_index(struct intel_ring_buffer *ring,
struct intel_ring_buffer *other)

4
drivers/gpu/drm/i915/intel_sprite.c
View file

@ -501,7 +501,7 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
mutex_lock(&dev->struct_mutex);
}
i915_gem_object_unpin(old_obj);
intel_unpin_fb_obj(old_obj);
}
out_unlock:
@ -528,7 +528,7 @@ intel_disable_plane(struct drm_plane *plane)
goto out;
mutex_lock(&dev->struct_mutex);
i915_gem_object_unpin(intel_plane->obj);
intel_unpin_fb_obj(intel_plane->obj);
intel_plane->obj = NULL;
mutex_unlock(&dev->struct_mutex);
out: