drm/radeon: enable SRBM timeout interrupt on EG/NI

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 78600f5..4c0e24b 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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 (file)
--- 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)