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Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel 

* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel:
  drm/i915: Fix LVDS fixed-mode regression from 219adae1
  drm/i915/ringbuffer: Use the HEAD auto-reporting mechanism
  drm/i915: Avoid might_fault during pwrite whilst holding our mutex
  agp/intel: fix cache control for sandybridge
  agp/intel: restore cache behavior on sandybridge
  drm/i915; Don't apply Ironlake FDI clock workaround to Sandybridge
  drm/i915: Fix KMS regression on Sandybridge/CPT
  i915: reprogram power monitoring registers on resume
  drm/i915: SNB BLT workaround
  drm/i915: Fix the graphics frequency clamping at init and when IPS is active.
  drm/i915: Allow powersave modparam to be adjusted at runtime.
  drm/i915: Apply big hammer to serialise buffer access between rings
  drm/i915: opregion_setup: iounmap correct address
  drm/i915: Flush read-only buffers from the active list upon idle as well
  i915: signedness bug in check_overlay_src()
  drm/i915: Fix typo from "Enable DisplayPort Audio"
This commit is contained in:
Dave Airlie 2010-11-09 13:26:13 +10:00
parent a7bcf21e60 3f8ff0e72d
commit 91839fd577
14 changed files with 267 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/char/agp/intel-gtt.c
View File

@ -1210,14 +1210,14 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry,
unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT;
u32 pte_flags;
if (type_mask == AGP_USER_UNCACHED_MEMORY)
if (type_mask == AGP_USER_MEMORY)
pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID;
else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) {
pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
if (gfdt)
pte_flags |= GEN6_PTE_GFDT;
} else { /* set 'normal'/'cached' to LLC by default */
pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
if (gfdt)
pte_flags |= GEN6_PTE_GFDT;
}

2
drivers/gpu/drm/i915/i915_drv.c
View File

@ -44,7 +44,7 @@ unsigned int i915_fbpercrtc = 0;
module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
unsigned int i915_powersave = 1;
module_param_named(powersave, i915_powersave, int, 0400);
module_param_named(powersave, i915_powersave, int, 0600);
unsigned int i915_lvds_downclock = 0;
module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);

1
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1321,6 +1321,7 @@ static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg,
#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
#define PRIMARY_RINGBUFFER_SIZE (128*1024)

115
drivers/gpu/drm/i915/i915_gem.c
View File

@ -2172,7 +2172,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
static int i915_ring_idle(struct drm_device *dev,
struct intel_ring_buffer *ring)
{
if (list_empty(&ring->gpu_write_list))
if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))
return 0;
i915_gem_flush_ring(dev, NULL, ring,
@ -2190,9 +2190,7 @@ i915_gpu_idle(struct drm_device *dev)
int ret;
lists_empty = (list_empty(&dev_priv->mm.flushing_list) &&
list_empty(&dev_priv->render_ring.active_list) &&
list_empty(&dev_priv->bsd_ring.active_list) &&
list_empty(&dev_priv->blt_ring.active_list));
list_empty(&dev_priv->mm.active_list));
if (lists_empty)
return 0;
@ -3108,7 +3106,8 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj,
* write domain
*/
if (obj->write_domain &&
obj->write_domain != obj->pending_read_domains) {
(obj->write_domain != obj->pending_read_domains ||
obj_priv->ring != ring)) {
flush_domains |= obj->write_domain;
invalidate_domains |=
obj->pending_read_domains & ~obj->write_domain;
@ -3497,6 +3496,52 @@ i915_gem_execbuffer_pin(struct drm_device *dev,
return 0;
}
static int
i915_gem_execbuffer_move_to_gpu(struct drm_device *dev,
struct drm_file *file,
struct intel_ring_buffer *ring,
struct drm_gem_object **objects,
int count)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret, i;
/* Zero the global flush/invalidate flags. These
* will be modified as new domains are computed
* for each object
*/
dev->invalidate_domains = 0;
dev->flush_domains = 0;
dev_priv->mm.flush_rings = 0;
for (i = 0; i < count; i++)
i915_gem_object_set_to_gpu_domain(objects[i], ring);
if (dev->invalidate_domains | dev->flush_domains) {
#if WATCH_EXEC
DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
__func__,
dev->invalidate_domains,
dev->flush_domains);
#endif
i915_gem_flush(dev, file,
dev->invalidate_domains,
dev->flush_domains,
dev_priv->mm.flush_rings);
}
for (i = 0; i < count; i++) {
struct drm_i915_gem_object *obj = to_intel_bo(objects[i]);
/* XXX replace with semaphores */
if (obj->ring && ring != obj->ring) {
ret = i915_gem_object_wait_rendering(&obj->base, true);
if (ret)
return ret;
}
}
return 0;
}
/* Throttle our rendering by waiting until the ring has completed our requests
* emitted over 20 msec ago.
*
@ -3757,33 +3802,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
goto err;
}
/* Zero the global flush/invalidate flags. These
* will be modified as new domains are computed
* for each object
*/
dev->invalidate_domains = 0;
dev->flush_domains = 0;
dev_priv->mm.flush_rings = 0;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
/* Compute new gpu domains and update invalidate/flush */
i915_gem_object_set_to_gpu_domain(obj, ring);
}
if (dev->invalidate_domains | dev->flush_domains) {
#if WATCH_EXEC
DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
__func__,
dev->invalidate_domains,
dev->flush_domains);
#endif
i915_gem_flush(dev, file,
dev->invalidate_domains,
dev->flush_domains,
dev_priv->mm.flush_rings);
}
ret = i915_gem_execbuffer_move_to_gpu(dev, file, ring,
object_list, args->buffer_count);
if (ret)
goto err;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
@ -4856,17 +4878,24 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
struct drm_file *file_priv)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
void *obj_addr;
int ret;
char __user *user_data;
void *vaddr = obj_priv->phys_obj->handle->vaddr + args->offset;
char __user *user_data = (char __user *) (uintptr_t) args->data_ptr;
user_data = (char __user *) (uintptr_t) args->data_ptr;
obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset;
DRM_DEBUG_DRIVER("vaddr %p, %lld\n", vaddr, args->size);
DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size);
ret = copy_from_user(obj_addr, user_data, args->size);
if (ret)
return -EFAULT;
if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
unsigned long unwritten;
/* The physical object once assigned is fixed for the lifetime
* of the obj, so we can safely drop the lock and continue
* to access vaddr.
*/
mutex_unlock(&dev->struct_mutex);
unwritten = copy_from_user(vaddr, user_data, args->size);
mutex_lock(&dev->struct_mutex);
if (unwritten)
return -EFAULT;
}
drm_agp_chipset_flush(dev);
return 0;
@ -4900,9 +4929,7 @@ i915_gpu_is_active(struct drm_device *dev)
int lists_empty;
lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
list_empty(&dev_priv->render_ring.active_list) &&
list_empty(&dev_priv->bsd_ring.active_list) &&
list_empty(&dev_priv->blt_ring.active_list);
list_empty(&dev_priv->mm.active_list);
return !lists_empty;
}

8
drivers/gpu/drm/i915/i915_gem_evict.c
View File

@ -165,9 +165,7 @@ i915_gem_evict_everything(struct drm_device *dev)
lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
list_empty(&dev_priv->mm.flushing_list) &&
list_empty(&dev_priv->render_ring.active_list) &&
list_empty(&dev_priv->bsd_ring.active_list) &&
list_empty(&dev_priv->blt_ring.active_list));
list_empty(&dev_priv->mm.active_list));
if (lists_empty)
return -ENOSPC;
@ -184,9 +182,7 @@ i915_gem_evict_everything(struct drm_device *dev)
lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
list_empty(&dev_priv->mm.flushing_list) &&
list_empty(&dev_priv->render_ring.active_list) &&
list_empty(&dev_priv->bsd_ring.active_list) &&
list_empty(&dev_priv->blt_ring.active_list));
list_empty(&dev_priv->mm.active_list));
BUG_ON(!lists_empty);
return 0;

4
drivers/gpu/drm/i915/i915_suspend.c
View File

@ -862,8 +862,10 @@ int i915_restore_state(struct drm_device *dev)
/* Clock gating state */
intel_init_clock_gating(dev);
if (HAS_PCH_SPLIT(dev))
if (HAS_PCH_SPLIT(dev)) {
ironlake_enable_drps(dev);
intel_init_emon(dev);
}
/* Cache mode state */
I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);

70
drivers/gpu/drm/i915/intel_display.c
View File

@ -1681,6 +1681,37 @@ static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock)
udelay(500);
}
static void intel_fdi_normal_train(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
u32 reg, temp;
/* enable normal train */
reg = FDI_TX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE;
I915_WRITE(reg, temp);
reg = FDI_RX_CTL(pipe);
temp = I915_READ(reg);
if (HAS_PCH_CPT(dev)) {
temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
temp |= FDI_LINK_TRAIN_NORMAL_CPT;
} else {
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_NONE;
}
I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
/* wait one idle pattern time */
POSTING_READ(reg);
udelay(1000);
}
/* The FDI link training functions for ILK/Ibexpeak. */
static void ironlake_fdi_link_train(struct drm_crtc *crtc)
{
@ -1767,27 +1798,6 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
DRM_DEBUG_KMS("FDI train done\n");
/* enable normal train */
reg = FDI_TX_CTL(pipe);
temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE;
I915_WRITE(reg, temp);
reg = FDI_RX_CTL(pipe);
temp = I915_READ(reg);
if (HAS_PCH_CPT(dev)) {
temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
temp |= FDI_LINK_TRAIN_NORMAL_CPT;
} else {
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_NONE;
}
I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
/* wait one idle pattern time */
POSTING_READ(reg);
udelay(1000);
}
static const int const snb_b_fdi_train_param [] = {
@ -2090,6 +2100,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe)));
I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe)));
intel_fdi_normal_train(crtc);
/* For PCH DP, enable TRANS_DP_CTL */
if (HAS_PCH_CPT(dev) &&
intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
@ -2200,9 +2212,10 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
udelay(100);
/* Ironlake workaround, disable clock pointer after downing FDI */
I915_WRITE(FDI_RX_CHICKEN(pipe),
I915_READ(FDI_RX_CHICKEN(pipe) &
~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
if (HAS_PCH_IBX(dev))
I915_WRITE(FDI_RX_CHICKEN(pipe),
I915_READ(FDI_RX_CHICKEN(pipe) &
~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
/* still set train pattern 1 */
reg = FDI_TX_CTL(pipe);
@ -5581,20 +5594,19 @@ void ironlake_enable_drps(struct drm_device *dev)
fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
MEMMODE_FSTART_SHIFT;
fstart = fmax;
vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
PXVFREQ_PX_SHIFT;
dev_priv->fmax = fstart; /* IPS callback will increase this */
dev_priv->fmax = fmax; /* IPS callback will increase this */
dev_priv->fstart = fstart;
dev_priv->max_delay = fmax;
dev_priv->max_delay = fstart;
dev_priv->min_delay = fmin;
dev_priv->cur_delay = fstart;
DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", fmax, fmin,
fstart);
DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n",
fmax, fmin, fstart);
I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);

2
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1517,7 +1517,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
status = connector_status_connected;
}
return bit;
return status;
}
/**

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

@ -296,6 +296,7 @@ extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
extern void intel_init_clock_gating(struct drm_device *dev);
extern void ironlake_enable_drps(struct drm_device *dev);
extern void ironlake_disable_drps(struct drm_device *dev);
extern void intel_init_emon(struct drm_device *dev);
extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
struct drm_gem_object *obj,

16
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -481,11 +481,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode;
if (intel_lvds->edid) {
drm_mode_connector_update_edid_property(connector,
intel_lvds->edid);
if (intel_lvds->edid)
return drm_add_edid_modes(connector, intel_lvds->edid);
}
mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
if (mode == 0)
@ -939,7 +936,16 @@ void intel_lvds_init(struct drm_device *dev)
*/
intel_lvds->edid = drm_get_edid(connector,
&dev_priv->gmbus[pin].adapter);
if (intel_lvds->edid) {
if (drm_add_edid_modes(connector,
intel_lvds->edid)) {
drm_mode_connector_update_edid_property(connector,
intel_lvds->edid);
} else {
kfree(intel_lvds->edid);
intel_lvds->edid = NULL;
}
}
if (!intel_lvds->edid) {
/* Didn't get an EDID, so
* Set wide sync ranges so we get all modes

2
drivers/gpu/drm/i915/intel_opregion.c
View File

@ -512,6 +512,6 @@ int intel_opregion_setup(struct drm_device *dev)
return 0;
err_out:
iounmap(opregion->header);
iounmap(base);
return err;
}

4
drivers/gpu/drm/i915/intel_overlay.c
View File

@ -946,7 +946,9 @@ static int check_overlay_src(struct drm_device *dev,
{
int uv_hscale = uv_hsubsampling(rec->flags);
int uv_vscale = uv_vsubsampling(rec->flags);
u32 stride_mask, depth, tmp;
u32 stride_mask;
int depth;
u32 tmp;
/* check src dimensions */
if (IS_845G(dev) || IS_I830(dev)) {

129
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -177,7 +177,7 @@ static int init_ring_common(struct drm_device *dev,
I915_WRITE_CTL(ring,
((ring->gem_object->size - PAGE_SIZE) & RING_NR_PAGES)
| RING_NO_REPORT | RING_VALID);
| RING_REPORT_64K | RING_VALID);
head = I915_READ_HEAD(ring) & HEAD_ADDR;
/* If the head is still not zero, the ring is dead */
@ -654,6 +654,10 @@ void intel_cleanup_ring_buffer(struct drm_device *dev,
i915_gem_object_unpin(ring->gem_object);
drm_gem_object_unreference(ring->gem_object);
ring->gem_object = NULL;
if (ring->cleanup)
ring->cleanup(ring);
cleanup_status_page(dev, ring);
}
@ -688,6 +692,17 @@ int intel_wait_ring_buffer(struct drm_device *dev,
{
unsigned long end;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 head;
head = intel_read_status_page(ring, 4);
if (head) {
ring->head = head & HEAD_ADDR;
ring->space = ring->head - (ring->tail + 8);
if (ring->space < 0)
ring->space += ring->size;
if (ring->space >= n)
return 0;
}
trace_i915_ring_wait_begin (dev);
end = jiffies + 3 * HZ;
@ -854,19 +869,125 @@ blt_ring_put_user_irq(struct drm_device *dev,
/* do nothing */
}
/* 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 drm_device *dev,
struct intel_ring_buffer *ring)
{
if (NEED_BLT_WORKAROUND(dev)) {
struct drm_i915_gem_object *obj;
u32 __iomem *ptr;
int ret;
obj = to_intel_bo(i915_gem_alloc_object(dev, 4096));
if (obj == NULL)
return -ENOMEM;
ret = i915_gem_object_pin(&obj->base, 4096);
if (ret) {
drm_gem_object_unreference(&obj->base);
return ret;
}
ptr = kmap(obj->pages[0]);
iowrite32(MI_BATCH_BUFFER_END, ptr);
iowrite32(MI_NOOP, ptr+1);
kunmap(obj->pages[0]);
ret = i915_gem_object_set_to_gtt_domain(&obj->base, false);
if (ret) {
i915_gem_object_unpin(&obj->base);
drm_gem_object_unreference(&obj->base);
return ret;
}
ring->private = obj;
}
return init_ring_common(dev, ring);
}
static void blt_ring_begin(struct drm_device *dev,
struct intel_ring_buffer *ring,
int num_dwords)
{
if (ring->private) {
intel_ring_begin(dev, ring, num_dwords+2);
intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START);
intel_ring_emit(dev, ring, to_blt_workaround(ring)->gtt_offset);
} else
intel_ring_begin(dev, ring, 4);
}
static void blt_ring_flush(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains)
{
blt_ring_begin(dev, ring, 4);
intel_ring_emit(dev, ring, MI_FLUSH_DW);
intel_ring_emit(dev, ring, 0);
intel_ring_emit(dev, ring, 0);
intel_ring_emit(dev, ring, 0);
intel_ring_advance(dev, ring);
}
static u32
blt_ring_add_request(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 flush_domains)
{
u32 seqno = i915_gem_get_seqno(dev);
blt_ring_begin(dev, ring, 4);
intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(dev, ring,
I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
intel_ring_emit(dev, ring, seqno);
intel_ring_emit(dev, ring, MI_USER_INTERRUPT);
intel_ring_advance(dev, ring);
DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
return seqno;
}
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,
.mmio_base = BLT_RING_BASE,
.size = 32 * PAGE_SIZE,
.init = init_ring_common,
.init = blt_ring_init,
.write_tail = ring_write_tail,
.flush = gen6_ring_flush,
.add_request = ring_add_request,
.flush = blt_ring_flush,
.add_request = blt_ring_add_request,
.get_seqno = ring_status_page_get_seqno,
.user_irq_get = blt_ring_get_user_irq,
.user_irq_put = blt_ring_put_user_irq,
.dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer,
.cleanup = blt_ring_cleanup,
};
int intel_init_render_ring_buffer(struct drm_device *dev)

3
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -63,6 +63,7 @@ struct intel_ring_buffer {
struct drm_i915_gem_execbuffer2 *exec,
struct drm_clip_rect *cliprects,
uint64_t exec_offset);
void (*cleanup)(struct intel_ring_buffer *ring);
/**
* List of objects currently involved in rendering from the
@ -98,6 +99,8 @@ struct intel_ring_buffer {
wait_queue_head_t irq_queue;
drm_local_map_t map;
void *private;
};
static inline u32