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drm/i915: Propagate error from failing to queue a request 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-27 16:11:02 +01:00
parent b2223497b4
commit 3cce469cab
5 changed files with 112 additions and 86 deletions
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8
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1041,10 +1041,10 @@ int i915_gem_do_init(struct drm_device *dev, unsigned long start,
unsigned long end);
int i915_gpu_idle(struct drm_device *dev);
int i915_gem_idle(struct drm_device *dev);
uint32_t i915_add_request(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_i915_gem_request *request,
struct intel_ring_buffer *ring);
int i915_add_request(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_i915_gem_request *request,
struct intel_ring_buffer *ring);
int i915_do_wait_request(struct drm_device *dev,
uint32_t seqno,
bool interruptible,

36
drivers/gpu/drm/i915/i915_gem.c
View File

@ -1683,7 +1683,7 @@ i915_gem_process_flushing_list(struct drm_device *dev,
}
}
uint32_t
int
i915_add_request(struct drm_device *dev,
struct drm_file *file,
struct drm_i915_gem_request *request,
@ -1693,17 +1693,17 @@ i915_add_request(struct drm_device *dev,
struct drm_i915_file_private *file_priv = NULL;
uint32_t seqno;
int was_empty;
int ret;
BUG_ON(request == NULL);
if (file != NULL)
file_priv = file->driver_priv;
if (request == NULL) {
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (request == NULL)
return 0;
}
ret = ring->add_request(ring, &seqno);
if (ret)
return ret;
seqno = ring->add_request(ring, 0);
ring->outstanding_lazy_request = false;
request->seqno = seqno;
@ -1727,7 +1727,7 @@ i915_add_request(struct drm_device *dev,
queue_delayed_work(dev_priv->wq,
&dev_priv->mm.retire_work, HZ);
}
return seqno;
return 0;
}
/**
@ -1964,9 +1964,19 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno,
return -EAGAIN;
if (ring->outstanding_lazy_request) {
seqno = i915_add_request(dev, NULL, NULL, ring);
if (seqno == 0)
struct drm_i915_gem_request *request;
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (request == NULL)
return -ENOMEM;
ret = i915_add_request(dev, NULL, request, ring);
if (ret) {
kfree(request);
return ret;
}
seqno = request->seqno;
}
BUG_ON(seqno == dev_priv->next_seqno);
@ -3844,8 +3854,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
*/
i915_retire_commands(dev, ring);
i915_add_request(dev, file, request, ring);
request = NULL;
if (i915_add_request(dev, file, request, ring))
ring->outstanding_lazy_request = true;
else
request = NULL;
err:
for (i = 0; i < args->buffer_count; i++) {

20
drivers/gpu/drm/i915/intel_overlay.c
View File

@ -221,11 +221,12 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
int ret;
BUG_ON(overlay->last_flip_req);
overlay->last_flip_req =
i915_add_request(dev, NULL, request, &dev_priv->render_ring);
if (overlay->last_flip_req == 0)
return -ENOMEM;
ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
if (ret) {
kfree(request);
return ret;
}
overlay->last_flip_req = request->seqno;
overlay->flip_tail = tail;
ret = i915_do_wait_request(dev,
overlay->last_flip_req, true,
@ -363,8 +364,13 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
OUT_RING(flip_addr);
ADVANCE_LP_RING();
overlay->last_flip_req =
i915_add_request(dev, NULL, request, &dev_priv->render_ring);
ret = i915_add_request(dev, NULL, request, &dev_priv->render_ring);
if (ret) {
kfree(request);
return ret;
}
overlay->last_flip_req = request->seqno;
return 0;
}

130
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -234,28 +234,28 @@ do { \
*
* Returned sequence numbers are nonzero on success.
*/
static u32
static int
render_ring_add_request(struct intel_ring_buffer *ring,
u32 flush_domains)
u32 *result)
{
struct drm_device *dev = ring->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
u32 seqno;
seqno = i915_gem_get_seqno(dev);
u32 seqno = i915_gem_get_seqno(dev);
int ret;
if (IS_GEN6(dev)) {
if (intel_ring_begin(ring, 6) == 0) {
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | 3);
intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_IS_FLUSH |
PIPE_CONTROL_NOTIFY);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
}
ret = intel_ring_begin(ring, 6);
if (ret)
return ret;
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | 3);
intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_IS_FLUSH |
PIPE_CONTROL_NOTIFY);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
} else if (HAS_PIPE_CONTROL(dev)) {
u32 scratch_addr = dev_priv->seqno_gfx_addr + 128;
@ -264,42 +264,47 @@ render_ring_add_request(struct intel_ring_buffer *ring,
* PIPE_NOTIFY buffers out to memory before requesting
* an interrupt.
*/
if (intel_ring_begin(ring, 32) == 0) {
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128; /* write to separate cachelines */
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
PIPE_CONTROL_NOTIFY);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
intel_ring_advance(ring);
}
} else {
if (intel_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
intel_ring_emit(ring, seqno);
ret = intel_ring_begin(ring, 32);
if (ret)
return ret;
intel_ring_emit(ring, MI_USER_INTERRUPT);
intel_ring_advance(ring);
}
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128; /* write to separate cachelines */
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128;
PIPE_CONTROL_FLUSH(ring, scratch_addr);
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
PIPE_CONTROL_NOTIFY);
intel_ring_emit(ring, dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, 0);
} else {
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, MI_USER_INTERRUPT);
}
return seqno;
intel_ring_advance(ring);
*result = seqno;
return 0;
}
static u32
@ -370,25 +375,28 @@ bsd_ring_flush(struct intel_ring_buffer *ring,
}
}
static u32
static int
ring_add_request(struct intel_ring_buffer *ring,
u32 flush_domains)
u32 *result)
{
u32 seqno;
int ret;
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
seqno = i915_gem_get_seqno(ring->dev);
if (intel_ring_begin(ring, 4) == 0) {
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, MI_USER_INTERRUPT);
intel_ring_advance(ring);
}
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
intel_ring_emit(ring, seqno);
intel_ring_emit(ring, MI_USER_INTERRUPT);
intel_ring_advance(ring);
DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
return seqno;
*result = seqno;
return 0;
}
static void

4
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -48,8 +48,8 @@ struct intel_ring_buffer {
void (*flush)(struct intel_ring_buffer *ring,
u32 invalidate_domains,
u32 flush_domains);
u32 (*add_request)(struct intel_ring_buffer *ring,
u32 flush_domains);
int (*add_request)(struct intel_ring_buffer *ring,
u32 *seqno);
u32 (*get_seqno)(struct intel_ring_buffer *ring);
int (*dispatch_execbuffer)(struct intel_ring_buffer *ring,
struct drm_i915_gem_execbuffer2 *exec,