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dma-buf: nuke DMA_FENCE_TRACE macros v2 

Only the DRM GPU scheduler, radeon and amdgpu where using them and they depend
on a non existing config option to actually emit some code.

v2: keep the signal path as is for now

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210818105443.1578-1-christian.koenig@amd.com
This commit is contained in:
Christian König 2021-07-29 08:39:31 +02:00
parent 3605eacc8a
commit d72277b6c3
4 changed files with 7 additions and 67 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
View File

@ -246,7 +246,6 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring)
struct amdgpu_fence_driver *drv = &ring->fence_drv;
struct amdgpu_device *adev = ring->adev;
uint32_t seq, last_seq;
int r;
do {
last_seq = atomic_read(&ring->fence_drv.last_seq);
@ -278,12 +277,7 @@ bool amdgpu_fence_process(struct amdgpu_ring *ring)
if (!fence)
continue;
r = dma_fence_signal(fence);
if (!r)
DMA_FENCE_TRACE(fence, "signaled from irq context\n");
else
BUG();
dma_fence_signal(fence);
dma_fence_put(fence);
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
@ -639,8 +633,6 @@ static bool amdgpu_fence_enable_signaling(struct dma_fence *f)
if (!timer_pending(&ring->fence_drv.fallback_timer))
amdgpu_fence_schedule_fallback(ring);
DMA_FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx);
return true;
}

24
drivers/gpu/drm/radeon/radeon_fence.c
View File

@ -176,18 +176,11 @@ static int radeon_fence_check_signaled(wait_queue_entry_t *wait, unsigned mode,
*/
seq = atomic64_read(&fence->rdev->fence_drv[fence->ring].last_seq);
if (seq >= fence->seq) {
int ret = dma_fence_signal_locked(&fence->base);
if (!ret)
DMA_FENCE_TRACE(&fence->base, "signaled from irq context\n");
else
DMA_FENCE_TRACE(&fence->base, "was already signaled\n");
dma_fence_signal_locked(&fence->base);
radeon_irq_kms_sw_irq_put(fence->rdev, fence->ring);
__remove_wait_queue(&fence->rdev->fence_queue, &fence->fence_wake);
dma_fence_put(&fence->base);
} else
DMA_FENCE_TRACE(&fence->base, "pending\n");
}
return 0;
}
@ -422,8 +415,6 @@ static bool radeon_fence_enable_signaling(struct dma_fence *f)
fence->fence_wake.func = radeon_fence_check_signaled;
__add_wait_queue(&rdev->fence_queue, &fence->fence_wake);
dma_fence_get(f);
DMA_FENCE_TRACE(&fence->base, "armed on ring %i!\n", fence->ring);
return true;
}
@ -441,11 +432,7 @@ bool radeon_fence_signaled(struct radeon_fence *fence)
return true;
if (radeon_fence_seq_signaled(fence->rdev, fence->seq, fence->ring)) {
int ret;
ret = dma_fence_signal(&fence->base);
if (!ret)
DMA_FENCE_TRACE(&fence->base, "signaled from radeon_fence_signaled\n");
dma_fence_signal(&fence->base);
return true;
}
return false;
@ -550,7 +537,6 @@ long radeon_fence_wait_timeout(struct radeon_fence *fence, bool intr, long timeo
{
uint64_t seq[RADEON_NUM_RINGS] = {};
long r;
int r_sig;
/*
* This function should not be called on !radeon fences.
@ -567,9 +553,7 @@ long radeon_fence_wait_timeout(struct radeon_fence *fence, bool intr, long timeo
return r;
}
r_sig = dma_fence_signal(&fence->base);
if (!r_sig)
DMA_FENCE_TRACE(&fence->base, "signaled from fence_wait\n");
dma_fence_signal(&fence->base);
return r;
}

18
drivers/gpu/drm/scheduler/sched_fence.c
View File

@ -50,26 +50,12 @@ static void __exit drm_sched_fence_slab_fini(void)
void drm_sched_fence_scheduled(struct drm_sched_fence *fence)
{
int ret = dma_fence_signal(&fence->scheduled);
if (!ret)
DMA_FENCE_TRACE(&fence->scheduled,
"signaled from irq context\n");
else
DMA_FENCE_TRACE(&fence->scheduled,
"was already signaled\n");
dma_fence_signal(&fence->scheduled);
}
void drm_sched_fence_finished(struct drm_sched_fence *fence)
{
int ret = dma_fence_signal(&fence->finished);
if (!ret)
DMA_FENCE_TRACE(&fence->finished,
"signaled from irq context\n");
else
DMA_FENCE_TRACE(&fence->finished,
"was already signaled\n");
dma_fence_signal(&fence->finished);
}
static const char *drm_sched_fence_get_driver_name(struct dma_fence *fence)

22
include/linux/dma-fence.h
View File

@ -590,26 +590,4 @@ struct dma_fence *dma_fence_get_stub(void);
struct dma_fence *dma_fence_allocate_private_stub(void);
u64 dma_fence_context_alloc(unsigned num);
#define DMA_FENCE_TRACE(f, fmt, args...) \
do { \
struct dma_fence *__ff = (f); \
if (IS_ENABLED(CONFIG_DMA_FENCE_TRACE)) \
pr_info("f %llu#%llu: " fmt, \
__ff->context, __ff->seqno, ##args); \
} while (0)
#define DMA_FENCE_WARN(f, fmt, args...) \
do { \
struct dma_fence *__ff = (f); \
pr_warn("f %llu#%llu: " fmt, __ff->context, __ff->seqno,\
##args); \
} while (0)
#define DMA_FENCE_ERR(f, fmt, args...) \
do { \
struct dma_fence *__ff = (f); \
pr_err("f %llu#%llu: " fmt, __ff->context, __ff->seqno, \
##args); \
} while (0)
#endif /* __LINUX_DMA_FENCE_H */