[PATCH 1/2] drm/radeon: print dma status reg on lockup (v2)
alexdeucher at gmail.com
alexdeucher at gmail.com
Thu Jan 3 08:58:29 PST 2013
From: Jerome Glisse <jglisse at redhat.com>
To help debug dma related lockup.
v2: agd5f: update SI as well
Signed-off-by: Jerome Glisse <jglisse at redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/evergreen.c | 4 ++++
drivers/gpu/drm/radeon/evergreend.h | 3 +++
drivers/gpu/drm/radeon/ni.c | 4 ++++
drivers/gpu/drm/radeon/nid.h | 1 -
drivers/gpu/drm/radeon/r600.c | 4 ++++
drivers/gpu/drm/radeon/si.c | 9 +++++++++
drivers/gpu/drm/radeon/sid.h | 2 ++
7 files changed, 26 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f95d7fc..6dc9ee7 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2331,6 +2331,8 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
evergreen_mc_stop(rdev, &save);
if (evergreen_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
@@ -2376,6 +2378,8 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
evergreen_mc_resume(rdev, &save);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index cb9baaa..f82f98a 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -2027,4 +2027,7 @@
/* cayman packet3 addition */
#define CAYMAN_PACKET3_DEALLOC_STATE 0x14
+/* DMA regs common on r6xx/r7xx/evergreen/ni */
+#define DMA_STATUS_REG 0xd034
+
#endif
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 7bdbcb0..6dae387 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1331,6 +1331,8 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_ADDR 0x%08X\n",
RREG32(0x14F8));
dev_info(rdev->dev, " VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
@@ -1387,6 +1389,8 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
evergreen_mc_resume(rdev, &save);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index b93186b..22a62c6 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -675,4 +675,3 @@
#define DMA_PACKET_NOP 0xf
#endif
-
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 9f4ce5e..252067b 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1297,6 +1297,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
rv515_mc_stop(rdev, &save);
if (r600_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
@@ -1348,6 +1350,8 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev)
RREG32(CP_BUSY_STAT));
dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
RREG32(CP_STAT));
+ dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
rv515_mc_resume(rdev, &save);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index ef68365..74d3845 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2145,6 +2145,13 @@ static int si_gpu_soft_reset(struct radeon_device *rdev)
RREG32(GRBM_STATUS_SE1));
dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
RREG32(SRBM_STATUS));
+ dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
+ dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
+ RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
+ dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
+ RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
+
evergreen_mc_stop(rdev, &save);
if (radeon_mc_wait_for_idle(rdev)) {
dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
@@ -2185,6 +2192,8 @@ static int si_gpu_soft_reset(struct radeon_device *rdev)
RREG32(GRBM_STATUS_SE1));
dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
RREG32(SRBM_STATUS));
+ dev_info(rdev->dev, " DMA_STATUS_REG = 0x%08X\n",
+ RREG32(DMA_STATUS_REG));
evergreen_mc_resume(rdev, &save);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 62b4621..98909b2 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -1013,6 +1013,8 @@
# define DATA_SWAP_ENABLE (1 << 3)
# define FENCE_SWAP_ENABLE (1 << 4)
# define CTXEMPTY_INT_ENABLE (1 << 28)
+#define DMA_STATUS_REG 0xd034
+# define DMA_IDLE (1 << 0)
#define DMA_TILING_CONFIG 0xd0b8
#define DMA_PACKET(cmd, b, t, s, n) ((((cmd) & 0xF) << 28) | \
--
1.7.7.5
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