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Linux workqueue and retire_work_handler

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git-svn-id: svn://kolibrios.org@2360 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2012-02-20 20:02:53 +00:00
parent a66a87554f
commit 80ab648f04
14 changed files with 249 additions and 107 deletions
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2
drivers/video/drm/i915/bitmap.c
View File

@ -325,8 +325,6 @@ int get_driver_caps(hwcaps_t *caps)
int ret = 0;
ENTER();
dbgprintf("caps ptr %x\n", caps);
switch(caps->idx)
{
case 0:

17
drivers/video/drm/i915/i915_dma.c
View File

@ -508,15 +508,14 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
* so there is no point in running more than one instance of the
* workqueue at any time: max_active = 1 and NON_REENTRANT.
*/
// dev_priv->wq = alloc_workqueue("i915",
// WQ_UNBOUND | WQ_NON_REENTRANT,
// 1);
// if (dev_priv->wq == NULL) {
// DRM_ERROR("Failed to create our workqueue.\n");
// ret = -ENOMEM;
// goto out_mtrrfree;
// }
dev_priv->wq = alloc_workqueue("i915",
WQ_UNBOUND | WQ_NON_REENTRANT,
1);
if (dev_priv->wq == NULL) {
DRM_ERROR("Failed to create our workqueue.\n");
ret = -ENOMEM;
goto out_mtrrfree;
}
/* enable GEM by default */
dev_priv->has_gem = 1;

27
drivers/video/drm/i915/i915_drv.h
View File

@ -40,6 +40,7 @@
#include <linux/spinlock.h>
/* General customization:
*/
@ -329,7 +330,7 @@ typedef struct drm_i915_private {
u32 pch_irq_mask;
u32 hotplug_supported_mask;
// struct work_struct hotplug_work;
struct work_struct hotplug_work;
int tex_lru_log_granularity;
int allow_batchbuffer;
@ -398,9 +399,9 @@ typedef struct drm_i915_private {
spinlock_t error_lock;
// struct drm_i915_error_state *first_error;
// struct work_struct error_work;
struct work_struct error_work;
// struct completion error_completion;
// struct workqueue_struct *wq;
struct workqueue_struct *wq;
/* Display functions */
struct drm_i915_display_funcs display;
@ -642,7 +643,7 @@ typedef struct drm_i915_private {
* fire periodically while the ring is running. When it
* fires, go retire requests.
*/
// struct delayed_work retire_work;
struct delayed_work retire_work;
/**
* Are we in a non-interruptible section of code like
@ -699,7 +700,7 @@ typedef struct drm_i915_private {
bool lvds_downclock_avail;
/* indicates the reduced downclock for LVDS*/
int lvds_downclock;
// struct work_struct idle_work;
struct work_struct idle_work;
struct timer_list idle_timer;
bool busy;
u16 orig_clock;
@ -710,7 +711,7 @@ typedef struct drm_i915_private {
bool mchbar_need_disable;
// struct work_struct rps_work;
struct work_struct rps_work;
spinlock_t rps_lock;
u32 pm_iir;
@ -1416,4 +1417,18 @@ typedef struct
int freq;
}videomode_t;
static inline int mutex_trylock(struct mutex *lock)
{
if (likely(atomic_cmpxchg(&lock->count, 1, 0) == 1))
return 1;
return 0;
}
#endif

81
drivers/video/drm/i915/i915_gem.c
View File

@ -960,16 +960,16 @@ i915_add_request(struct intel_ring_buffer *ring,
ring->outstanding_lazy_request = false;
// if (!dev_priv->mm.suspended) {
// if (i915_enable_hangcheck) {
if (!dev_priv->mm.suspended) {
if (i915_enable_hangcheck) {
// mod_timer(&dev_priv->hangcheck_timer,
// jiffies +
// msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD));
// }
// if (was_empty)
// queue_delayed_work(dev_priv->wq,
// &dev_priv->mm.retire_work, HZ);
// }
}
if (was_empty)
queue_delayed_work(dev_priv->wq,
&dev_priv->mm.retire_work, HZ);
}
return 0;
}
@ -982,6 +982,16 @@ i915_add_request(struct intel_ring_buffer *ring,
/**
@ -1072,14 +1082,57 @@ i915_gem_retire_requests(struct drm_device *dev)
i915_gem_retire_requests_ring(&dev_priv->ring[i]);
}
static void
i915_gem_retire_work_handler(struct work_struct *work)
{
drm_i915_private_t *dev_priv;
struct drm_device *dev;
bool idle;
int i;
// ENTER();
dev_priv = container_of(work, drm_i915_private_t,
mm.retire_work.work);
dev = dev_priv->dev;
/* Come back later if the device is busy... */
if (!mutex_trylock(&dev->struct_mutex)) {
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
// LEAVE();
return;
}
i915_gem_retire_requests(dev);
/* Send a periodic flush down the ring so we don't hold onto GEM
* objects indefinitely.
*/
idle = true;
for (i = 0; i < I915_NUM_RINGS; i++) {
struct intel_ring_buffer *ring = &dev_priv->ring[i];
if (!list_empty(&ring->gpu_write_list)) {
struct drm_i915_gem_request *request;
int ret;
ret = i915_gem_flush_ring(ring,
0, I915_GEM_GPU_DOMAINS);
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (ret || request == NULL ||
i915_add_request(ring, NULL, request))
kfree(request);
}
idle &= list_empty(&ring->request_list);
}
if (!dev_priv->mm.suspended && !idle)
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ);
mutex_unlock(&dev->struct_mutex);
// LEAVE();
}
/**
* Waits for a sequence number to be signaled, and cleans up the
@ -1326,7 +1379,7 @@ static int i915_ring_idle(struct intel_ring_buffer *ring)
return ret;
}
return 0; //i915_wait_request(ring, i915_gem_next_request_seqno(ring));
return i915_wait_request(ring, i915_gem_next_request_seqno(ring));
}
int
@ -1923,9 +1976,9 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
* of uncaching, which would allow us to flush all the LLC-cached data
* with that bit in the PTE to main memory with just one PIPE_CONTROL.
*/
// ret = i915_gem_object_set_cache_level(obj, I915_CACHE_NONE);
// if (ret)
// return ret;
ret = i915_gem_object_set_cache_level(obj, I915_CACHE_NONE);
if (ret)
return ret;
/* As the user may map the buffer once pinned in the display plane
* (e.g. libkms for the bootup splash), we have to ensure that we
@ -2123,6 +2176,7 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj,
}
obj->pin_mappable |= map_and_fenceable;
WARN_ON(i915_verify_lists(dev));
return 0;
}
@ -2132,6 +2186,7 @@ i915_gem_object_unpin(struct drm_i915_gem_object *obj)
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
WARN_ON(i915_verify_lists(dev));
BUG_ON(obj->pin_count == 0);
BUG_ON(obj->gtt_space == NULL);
@ -2141,6 +2196,7 @@ i915_gem_object_unpin(struct drm_i915_gem_object *obj)
&dev_priv->mm.inactive_list);
obj->pin_mappable = false;
}
WARN_ON(i915_verify_lists(dev));
}
@ -2424,6 +2480,8 @@ i915_gem_load(struct drm_device *dev)
init_ring_lists(&dev_priv->ring[i]);
for (i = 0; i < I915_MAX_NUM_FENCES; i++)
INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list);
INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
i915_gem_retire_work_handler);
/* On GEN3 we really need to make sure the ARB C3 LP bit is set */
if (IS_GEN3(dev)) {
@ -2457,4 +2515,3 @@ i915_gem_load(struct drm_device *dev)
}

1
drivers/video/drm/i915/i915_gem_gtt.c
View File

@ -143,7 +143,6 @@ void i915_gem_gtt_rebind_object(struct drm_i915_gem_object *obj,
agp_type);
}
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj)
{
struct drm_device *dev = obj->base.dev;

2
drivers/video/drm/i915/intel_bios.c
View File

@ -656,7 +656,7 @@ intel_parse_bios(struct drm_device *dev)
size_t size;
int i;
bios = (void*)pci_map_rom(pdev, &size);
bios = pci_map_rom(pdev, &size);
if (!bios)
return -1;

52
drivers/video/drm/i915/intel_display.c
View File

@ -1859,7 +1859,7 @@ static void intel_update_fbc(struct drm_device *dev)
if (enable_fbc < 0) {
DRM_DEBUG_KMS("fbc set to per-chip default\n");
enable_fbc = 1;
if (INTEL_INFO(dev)->gen <= 5)
if (INTEL_INFO(dev)->gen <= 6)
enable_fbc = 0;
}
if (!enable_fbc) {
@ -2171,18 +2171,12 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
ENTER();
ret = dev_priv->display.update_plane(crtc, fb, x, y);
if (ret)
{
LEAVE();
return ret;
};
intel_update_fbc(dev);
intel_increase_pllclock(crtc);
LEAVE();
return 0;
}
@ -2235,31 +2229,6 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
LEAVE();
return 0;
#if 0
if (!dev->primary->master)
{
LEAVE();
return 0;
};
master_priv = dev->primary->master->driver_priv;
if (!master_priv->sarea_priv)
{
LEAVE();
return 0;
};
if (intel_crtc->pipe) {
master_priv->sarea_priv->pipeB_x = x;
master_priv->sarea_priv->pipeB_y = y;
} else {
master_priv->sarea_priv->pipeA_x = x;
master_priv->sarea_priv->pipeA_y = y;
}
LEAVE();
return 0;
#endif
}
@ -2835,8 +2804,8 @@ static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
obj = to_intel_framebuffer(crtc->fb)->obj;
dev_priv = crtc->dev->dev_private;
// wait_event(dev_priv->pending_flip_queue,
// atomic_read(&obj->pending_flip) == 0);
wait_event(dev_priv->pending_flip_queue,
atomic_read(&obj->pending_flip) == 0);
}
static bool intel_crtc_driving_pch(struct drm_crtc *crtc)
@ -5292,6 +5261,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
}
}
pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
/* the chip adds 2 halflines automatically */
@ -5302,7 +5272,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
adjusted_mode->crtc_vsync_end -= 1;
adjusted_mode->crtc_vsync_start -= 1;
} else
pipeconf &= ~PIPECONF_INTERLACE_MASK; /* progressive */
pipeconf |= PIPECONF_PROGRESSIVE;
I915_WRITE(HTOTAL(pipe),
(adjusted_mode->crtc_hdisplay - 1) |
@ -5889,6 +5859,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
}
}
pipeconf &= ~PIPECONF_INTERLACE_MASK;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
/* the chip adds 2 halflines automatically */
@ -5899,7 +5870,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
adjusted_mode->crtc_vsync_end -= 1;
adjusted_mode->crtc_vsync_start -= 1;
} else
pipeconf &= ~PIPECONF_INTERLACE_W_FIELD_INDICATION; /* progressive */
pipeconf |= PIPECONF_PROGRESSIVE;
I915_WRITE(HTOTAL(pipe),
(adjusted_mode->crtc_hdisplay - 1) |
@ -7043,10 +7014,6 @@ static void intel_setup_outputs(struct drm_device *dev)
static const struct drm_mode_config_funcs intel_mode_funcs = {
.fb_create = NULL /*intel_user_framebuffer_create*/,
.output_poll_changed = NULL /*intel_fb_output_poll_changed*/,
};
@ -7100,7 +7067,10 @@ int intel_framebuffer_init(struct drm_device *dev,
}
static const struct drm_mode_config_funcs intel_mode_funcs = {
.fb_create = NULL /*intel_user_framebuffer_create*/,
.output_poll_changed = NULL /*intel_fb_output_poll_changed*/,
};

4
drivers/video/drm/i915/intel_drv.h
View File

@ -276,7 +276,7 @@ intel_get_crtc_for_plane(struct drm_device *dev, int plane)
}
struct intel_unpin_work {
// struct work_struct work;
struct work_struct work;
struct drm_device *dev;
struct drm_i915_gem_object *old_fb_obj;
struct drm_i915_gem_object *pending_flip_obj;
@ -286,7 +286,7 @@ struct intel_unpin_work {
};
struct intel_fbc_work {
// struct delayed_work work;
struct delayed_work work;
struct drm_crtc *crtc;
struct drm_framebuffer *fb;
int interval;

117
drivers/video/drm/i915/kms_display.c
View File

@ -1007,3 +1007,120 @@ int blit_textured(u32 hbitmap, int dst_x, int dst_y,
};
void __stdcall run_workqueue(struct workqueue_struct *cwq)
{
unsigned long irqflags;
// dbgprintf("wq: %x head %x, next %x\n",
// cwq, &cwq->worklist, cwq->worklist.next);
spin_lock_irqsave(&cwq->lock, irqflags);
while (!list_empty(&cwq->worklist))
{
struct work_struct *work = list_entry(cwq->worklist.next,
struct work_struct, entry);
work_func_t f = work->func;
list_del_init(cwq->worklist.next);
// dbgprintf("head %x, next %x\n",
// &cwq->worklist, cwq->worklist.next);
spin_unlock_irqrestore(&cwq->lock, irqflags);
f(work);
spin_lock_irqsave(&cwq->lock, irqflags);
}
spin_unlock_irqrestore(&cwq->lock, irqflags);
}
static inline
int __queue_work(struct workqueue_struct *wq,
struct work_struct *work)
{
unsigned long flags;
// ENTER();
// dbgprintf("wq: %x, work: %x\n",
// wq, work );
if(!list_empty(&work->entry))
return 0;
spin_lock_irqsave(&wq->lock, flags);
if(list_empty(&wq->worklist))
TimerHs(0,0, run_workqueue, wq);
list_add_tail(&work->entry, &wq->worklist);
spin_unlock_irqrestore(&wq->lock, flags);
// dbgprintf("wq: %x head %x, next %x\n",
// wq, &wq->worklist, wq->worklist.next);
// LEAVE();
return 1;
};
void __stdcall delayed_work_timer_fn(unsigned long __data)
{
// ENTER();
struct delayed_work *dwork = (struct delayed_work *)__data;
struct workqueue_struct *wq = dwork->work.data;
// dbgprintf("wq: %x, work: %x\n",
// wq, &dwork->work );
__queue_work(wq, &dwork->work);
// LEAVE();
}
int queue_delayed_work_on(struct workqueue_struct *wq,
struct delayed_work *dwork, unsigned long delay)
{
struct work_struct *work = &dwork->work;
work->data = wq;
TimerHs(0,0, delayed_work_timer_fn, dwork);
return 1;
}
int queue_delayed_work(struct workqueue_struct *wq,
struct delayed_work *dwork, unsigned long delay)
{
u32 flags;
// ENTER();
// dbgprintf("wq: %x, work: %x\n",
// wq, &dwork->work );
if (delay == 0)
return __queue_work(wq, &dwork->work);
return queue_delayed_work_on(wq, dwork, delay);
}
struct workqueue_struct *alloc_workqueue(const char *fmt,
unsigned int flags,
int max_active)
{
struct workqueue_struct *wq;
wq = kzalloc(sizeof(*wq),0);
if (!wq)
goto err;
INIT_LIST_HEAD(&wq->worklist);
return wq;
err:
return NULL;
}

4
drivers/video/drm/i915/render/exa_wm_mask_affine.g6b Normal file
View File

@ -0,0 +1,4 @@
{ 0x0060005a, 0x210077be, 0x00000100, 0x008d0040 },
{ 0x0060005a, 0x212077be, 0x00000100, 0x008d0080 },
{ 0x0060005a, 0x214077be, 0x00000110, 0x008d0040 },
{ 0x0060005a, 0x216077be, 0x00000110, 0x008d0080 },

3
drivers/video/drm/i915/render/exa_wm_mask_sample_a.g6b Normal file
View File

@ -0,0 +1,3 @@
{ 0x00000201, 0x20080061, 0x00000000, 0x00007000 },
{ 0x00600001, 0x20e00022, 0x008d0000, 0x00000000 },
{ 0x02800031, 0x23801cc9, 0x000000e0, 0x0a2a0102 },

4
drivers/video/drm/i915/render/exa_wm_noca.g6b Normal file
View File

@ -0,0 +1,4 @@
{ 0x00800041, 0x21c077bd, 0x008d01c0, 0x008d0380 },
{ 0x00800041, 0x220077bd, 0x008d0200, 0x008d0380 },
{ 0x00800041, 0x224077bd, 0x008d0240, 0x008d0380 },
{ 0x00800041, 0x228077bd, 0x008d0280, 0x008d0380 },

19
drivers/video/drm/i915/sna/gen6_render.c
View File

@ -72,9 +72,12 @@ static const uint32_t ps_kernel_nomask_affine[][4] = {
#include "exa_wm_write.g6b"
};
static const uint32_t ps_kernel_nomask_projective[][4] = {
#include "exa_wm_src_projective.g6b"
static const uint32_t ps_kernel_masknoca_affine[][4] = {
#include "exa_wm_src_affine.g6b"
#include "exa_wm_src_sample_argb.g6b"
#include "exa_wm_mask_affine.g6b"
#include "exa_wm_mask_sample_a.g6b"
#include "exa_wm_noca.g6b"
#include "exa_wm_write.g6b"
};
@ -88,8 +91,7 @@ static const struct wm_kernel_info {
Bool has_mask;
} wm_kernels[] = {
KERNEL(NOMASK, ps_kernel_nomask_affine, FALSE),
KERNEL(NOMASK_PROJECTIVE, ps_kernel_nomask_projective, FALSE),
KERNEL(MASK, ps_kernel_masknoca_affine, TRUE),
};
#undef KERNEL
@ -659,11 +661,6 @@ gen6_emit_drawing_rectangle(struct sna *sna,
OUT_BATCH(GEN6_PIPE_CONTROL | (4 - 2));
OUT_BATCH(GEN6_PIPE_CONTROL_WRITE_TIME);
// OUT_BATCH(kgem_add_reloc(&sna->kgem, sna->kgem.nbatch,
// sna->render_state.gen6.general_bo,
// I915_GEM_DOMAIN_INSTRUCTION << 16 |
// I915_GEM_DOMAIN_INSTRUCTION,
// 64));
OUT_BATCH(sna->render_state.gen6.general_bo->gaddr+64);
@ -1618,7 +1615,6 @@ gen6_emit_copy_state(struct sna *sna,
bool dirty;
gen6_get_batch(sna);
// dirty = kgem_bo_is_dirty(op->dst.bo);
binding_table = gen6_composite_get_binding_table(sna, &offset);
@ -1713,9 +1709,6 @@ gen6_render_copy(struct sna *sna, uint8_t alu,
op.src.width = src->width;
op.src.height = src->height;
// src_scale_x = ((float)src_w / frame->width) / (float)drw_w;
// src_scale_y = ((float)src_h / frame->height) / (float)drw_h;
op.src.scale[0] = 1.f/w; //src->width;
op.src.scale[1] = 1.f/h; //src->height;
op.src.filter = SAMPLER_FILTER_BILINEAR;

19
drivers/video/drm/i915/sna/sna_render.h
View File

@ -243,7 +243,7 @@ struct sna_render {
enum {
GEN6_WM_KERNEL_NOMASK = 0,
GEN6_WM_KERNEL_NOMASK_PROJECTIVE,
GEN6_WM_KERNEL_MASK,
GEN6_KERNEL_COUNT
};
@ -277,23 +277,6 @@ struct gen6_render_state {
Bool needs_invariant;
};
enum {
GEN7_WM_KERNEL_NOMASK = 0,
GEN7_WM_KERNEL_NOMASK_PROJECTIVE,
GEN7_WM_KERNEL_MASK,
GEN7_WM_KERNEL_MASK_PROJECTIVE,
GEN7_WM_KERNEL_MASKCA,
GEN7_WM_KERNEL_MASKCA_PROJECTIVE,
GEN7_WM_KERNEL_MASKCA_SRCALPHA,
GEN7_WM_KERNEL_MASKCA_SRCALPHA_PROJECTIVE,
GEN7_WM_KERNEL_VIDEO_PLANAR,
GEN7_WM_KERNEL_VIDEO_PACKED,
GEN7_KERNEL_COUNT
};
struct sna_static_stream {