diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index ebd69562ef6..cd72062d5a9 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -377,6 +377,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi { int r; + /* make sure we aren't trying to allocate more space than there is on the ring */ + if (ndw > (ring->ring_size / 4)) + return -ENOMEM; /* Align requested size with padding so unlock_commit can * pad safely */ ndw = (ndw + ring->align_mask) & ~ring->align_mask; @@ -770,22 +773,30 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) int ridx = *(int*)node->info_ent->data; struct radeon_ring *ring = &rdev->ring[ridx]; unsigned count, i, j; + u32 tmp; radeon_ring_free_size(rdev, ring); count = (ring->ring_size / 4) - ring->ring_free_dw; - seq_printf(m, "wptr(0x%04x): 0x%08x\n", ring->wptr_reg, RREG32(ring->wptr_reg)); - seq_printf(m, "rptr(0x%04x): 0x%08x\n", ring->rptr_reg, RREG32(ring->rptr_reg)); + tmp = RREG32(ring->wptr_reg) >> ring->ptr_reg_shift; + seq_printf(m, "wptr(0x%04x): 0x%08x [%5d]\n", ring->wptr_reg, tmp, tmp); + tmp = RREG32(ring->rptr_reg) >> ring->ptr_reg_shift; + seq_printf(m, "rptr(0x%04x): 0x%08x [%5d]\n", ring->rptr_reg, tmp, tmp); if (ring->rptr_save_reg) { seq_printf(m, "rptr next(0x%04x): 0x%08x\n", ring->rptr_save_reg, RREG32(ring->rptr_save_reg)); } - seq_printf(m, "driver's copy of the wptr: 0x%08x\n", ring->wptr); - seq_printf(m, "driver's copy of the rptr: 0x%08x\n", ring->rptr); + seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr); + seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", ring->rptr, ring->rptr); + seq_printf(m, "last semaphore signal addr : 0x%016llx\n", ring->last_semaphore_signal_addr); + seq_printf(m, "last semaphore wait addr : 0x%016llx\n", ring->last_semaphore_wait_addr); seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); seq_printf(m, "%u dwords in ring\n", count); - i = ring->rptr; - for (j = 0; j <= count; j++) { - seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]); + /* print 8 dw before current rptr as often it's the last executed + * packet that is the root issue + */ + i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask; + for (j = 0; j <= (count + 32); j++) { + seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]); i = (i + 1) & ring->ptr_mask; } return 0; @@ -794,11 +805,15 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) static int radeon_ring_type_gfx_index = RADEON_RING_TYPE_GFX_INDEX; static int cayman_ring_type_cp1_index = CAYMAN_RING_TYPE_CP1_INDEX; static int cayman_ring_type_cp2_index = CAYMAN_RING_TYPE_CP2_INDEX; +static int radeon_ring_type_dma1_index = R600_RING_TYPE_DMA_INDEX; +static int radeon_ring_type_dma2_index = CAYMAN_RING_TYPE_DMA1_INDEX; static struct drm_info_list radeon_debugfs_ring_info_list[] = { {"radeon_ring_gfx", radeon_debugfs_ring_info, 0, &radeon_ring_type_gfx_index}, {"radeon_ring_cp1", radeon_debugfs_ring_info, 0, &cayman_ring_type_cp1_index}, {"radeon_ring_cp2", radeon_debugfs_ring_info, 0, &cayman_ring_type_cp2_index}, + {"radeon_ring_dma1", radeon_debugfs_ring_info, 0, &radeon_ring_type_dma1_index}, + {"radeon_ring_dma2", radeon_debugfs_ring_info, 0, &radeon_ring_type_dma2_index}, }; static int radeon_debugfs_sa_info(struct seq_file *m, void *data) |