From: Christian König <christian.koe...@amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/evergreen.c | 7 +++++++
drivers/gpu/drm/radeon/evergreend.h | 4 ++++
drivers/gpu/drm/radeon/ni.c | 2 ++
drivers/gpu/drm/radeon/nid.h | 4 ++++
4 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/radeon/evergreen.c
b/drivers/gpu/drm/radeon/evergreen.c
index 78600f5..4c0e24b 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3253,6 +3253,8 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
}
WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+ WREG32(SRBM_INT_CNTL, 0x1);
+ WREG32(SRBM_INT_ACK, 0x1);
evergreen_fix_pci_max_read_req_size(rdev);
@@ -4324,6 +4326,7 @@ void evergreen_disable_interrupt_state(struct
radeon_device *rdev)
tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
WREG32(DMA_CNTL, tmp);
WREG32(GRBM_INT_CNTL, 0);
+ WREG32(SRBM_INT_CNTL, 0);
WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
if (rdev->num_crtc >= 4) {
@@ -5066,6 +5069,10 @@ restart_ih:
DRM_ERROR("Unhandled interrupt: %d %d\n",
src_id, src_data);
break;
}
+ case 96:
+ DRM_ERROR("SRBM_READ_ERROR: 0x%x\n",
RREG32(SRBM_READ_ERROR));
+ WREG32(SRBM_INT_ACK, 0x1);
+ break;
case 124: /* UVD */
DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
diff --git a/drivers/gpu/drm/radeon/evergreend.h
b/drivers/gpu/drm/radeon/evergreend.h
index ee83d2a..a8d1d52 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -1191,6 +1191,10 @@
#define SOFT_RESET_REGBB (1 << 22)
#define SOFT_RESET_ORB (1 << 23)
+#define SRBM_READ_ERROR 0xE98
+#define SRBM_INT_CNTL 0xEA0
+#define SRBM_INT_ACK 0xEA8
+
/* display watermarks */
#define DC_LB_MEMORY_SPLIT 0x6b0c
#define PRIORITY_A_CNT 0x6b18
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 24242a7..ebe68dd 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -962,6 +962,8 @@ static void cayman_gpu_init(struct radeon_device *rdev)
}
WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
+ WREG32(SRBM_INT_CNTL, 0x1);
+ WREG32(SRBM_INT_ACK, 0x1);
evergreen_fix_pci_max_read_req_size(rdev);
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index ad71254..6b44580 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -82,6 +82,10 @@
#define SOFT_RESET_REGBB (1 << 22)
#define SOFT_RESET_ORB (1 << 23)
+#define SRBM_READ_ERROR 0xE98
+#define SRBM_INT_CNTL 0xEA0
+#define SRBM_INT_ACK 0xEA8
+
#define SRBM_STATUS2 0x0EC4
#define DMA_BUSY (1 << 5)
#define DMA1_BUSY (1 << 6)
--
1.9.1
