From d684076627a4561ea698bf7652a1a1baabdcdbdc Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 10 Nov 2009 22:26:21 +0100
Subject: [PATCH] drm/radeon/kms: fix ring info in debugfs on r600+
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
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Signed-off-by: RafaÅ MiÅecki <zajec5@gmail.com>
Acked-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/radeon/r600.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 26947e8dadcb..94e7fd2f59e9 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2361,21 +2361,21 @@ static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data)
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
- uint32_t rdp, wdp;
unsigned count, i, j;
radeon_ring_free_size(rdev);
- rdp = RREG32(CP_RB_RPTR);
- wdp = RREG32(CP_RB_WPTR);
- count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
+ count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw;
seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT));
- seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
- seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
+ seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR));
+ seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR));
+ seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr);
+ seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr);
seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
seq_printf(m, "%u dwords in ring\n", count);
+ i = rdev->cp.rptr;
for (j = 0; j <= count; j++) {
- i = (rdp + j) & rdev->cp.ptr_mask;
seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
+ i = (i + 1) & rdev->cp.ptr_mask;
}
return 0;
}
--
2.34.1