diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-amd/0005-drm-radeon-improve-ring-debugfs-a-bit.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-amd/0005-drm-radeon-improve-ring-debugfs-a-bit.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-amd/0005-drm-radeon-improve-ring-debugfs-a-bit.patch b/common/recipes-kernel/linux/linux-amd/0005-drm-radeon-improve-ring-debugfs-a-bit.patch new file mode 100644 index 00000000..97f8f70e --- /dev/null +++ b/common/recipes-kernel/linux/linux-amd/0005-drm-radeon-improve-ring-debugfs-a-bit.patch @@ -0,0 +1,93 @@ +From ea2e222f240d14964ab271d669e8d2e0176cf483 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Tue, 12 Nov 2013 10:55:12 -0700 +Subject: [PATCH 05/60] drm/radeon: improve ring debugfs a bit +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/radeon/radeon_ring.c | 56 ++++++++++++++++++++++++------------ + 1 file changed, 38 insertions(+), 18 deletions(-) + +diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c +index 9214403..f1cec22 100644 +--- a/drivers/gpu/drm/radeon/radeon_ring.c ++++ b/drivers/gpu/drm/radeon/radeon_ring.c +@@ -790,34 +790,54 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) + struct radeon_device *rdev = dev->dev_private; + int ridx = *(int*)node->info_ent->data; + struct radeon_ring *ring = &rdev->ring[ridx]; ++ ++ uint32_t rptr, wptr, rptr_next; + unsigned count, i, j; +- u32 tmp; + + radeon_ring_free_size(rdev, ring); + count = (ring->ring_size / 4) - ring->ring_free_dw; +- tmp = radeon_ring_get_wptr(rdev, ring); +- seq_printf(m, "wptr(0x%04x): 0x%08x [%5d]\n", ring->wptr_reg, tmp, tmp); +- tmp = radeon_ring_get_rptr(rdev, ring); +- seq_printf(m, "rptr(0x%04x): 0x%08x [%5d]\n", ring->rptr_reg, tmp, tmp); ++ ++ wptr = radeon_ring_get_wptr(rdev, ring); ++ seq_printf(m, "wptr(0x%04x): 0x%08x [%5d]\n", ++ ring->wptr_reg, wptr, wptr); ++ ++ rptr = radeon_ring_get_rptr(rdev, ring); ++ seq_printf(m, "rptr(0x%04x): 0x%08x [%5d]\n", ++ ring->rptr_reg, rptr, rptr); ++ + 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 [%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); ++ rptr_next = RREG32(ring->rptr_save_reg); ++ seq_printf(m, "rptr next(0x%04x): 0x%08x [%5d]\n", ++ ring->rptr_save_reg, rptr_next, rptr_next); ++ } else ++ rptr_next = ~0; ++ ++ 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); ++ ++ if (!ring->ready) ++ return 0; ++ + /* 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; +- if (ring->ready) { +- 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; +- } ++ i = (rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask; ++ for (j = 0; j <= (count + 32); j++) { ++ seq_printf(m, "r[%5d]=0x%08x", i, ring->ring[i]); ++ if (rptr == i) ++ seq_puts(m, " *"); ++ if (rptr_next == i) ++ seq_puts(m, " #"); ++ seq_puts(m, "\n"); ++ i = (i + 1) & ring->ptr_mask; + } + return 0; + } +-- +1.9.1 + |