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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 10 +---------
drivers/gpu/drm/radeon/radeon_fence.c | 24 ++++-------------------
drivers/gpu/drm/scheduler/sched_fence.c | 18 ++---------------
include/linux/dma-fence.h | 22 ---------------------
4 files changed, 7 insertions(+), 67 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 0b1c48590c43..c65994e382bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -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;
}
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 18f2c2e0dfb3..3f351d222cbb 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -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;
}
diff --git a/drivers/gpu/drm/scheduler/sched_fence.c b/drivers/gpu/drm/scheduler/sched_fence.c
index 69de2c76731f..3736746c47bd 100644
--- a/drivers/gpu/drm/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/scheduler/sched_fence.c
@@ -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)
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 6ffb4b2c6371..4cc119ab272f 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -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 */
