diff options
| author | Jerome Glisse <glisse@freedesktop.org> | 2008-03-30 12:45:57 +0200 |
|---|---|---|
| committer | John Doe <glisse@freedesktop.org> | 2008-03-30 12:50:26 +0200 |
| commit | 2d9eccfd056425e4ebdf1a7b879979fd0a9d1340 (patch) | |
| tree | 2ad52a350f2a86448aa4eb0e4c5932302487f856 /shared-core/radeon_ms_cp.c | |
| parent | 0da289bafd2da72a14f3d5cf82fec836d30f7b8d (diff) | |
radeon_ms: add hang debuging helper functions
Diffstat (limited to 'shared-core/radeon_ms_cp.c')
| -rw-r--r-- | shared-core/radeon_ms_cp.c | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/shared-core/radeon_ms_cp.c b/shared-core/radeon_ms_cp.c index c01769bd..7b26c0ba 100644 --- a/shared-core/radeon_ms_cp.c +++ b/shared-core/radeon_ms_cp.c @@ -156,7 +156,7 @@ int radeon_ms_cp_init(struct drm_device *dev) dev_priv->ring_buffer_object->mem.num_pages, &dev_priv->ring_buffer_map); if (ret) { - DRM_ERROR("[radeon_ms] error mapping ring buffer: %d\n", ret); + DRM_INFO("[radeon_ms] error mapping ring buffer: %d\n", ret); return ret; } dev_priv->ring_buffer = dev_priv->ring_buffer_map.virtual; @@ -275,15 +275,32 @@ void radeon_ms_cp_save(struct drm_device *dev, struct radeon_state *state) void radeon_ms_cp_stop(struct drm_device *dev) { struct drm_radeon_private *dev_priv = dev->dev_private; + uint32_t rbbm_status, rbbm_status_cp_mask; - MMIO_W(CP_CSQ_CNTL, REG_S(CP_CSQ_CNTL, CSQ_MODE, - CSQ_MODE__CSQ_PRIDIS_INDDIS)); + dev_priv->cp_ready = 0; + MMIO_W(CP_CSQ_CNTL, 0); + MMIO_R(CP_CSQ_CNTL); + MMIO_W(CP_CSQ_MODE, 0); + MMIO_R(CP_CSQ_MODE); + MMIO_W(RBBM_SOFT_RESET, RBBM_SOFT_RESET__SOFT_RESET_CP); + MMIO_R(RBBM_SOFT_RESET); + MMIO_W(RBBM_SOFT_RESET, 0); + MMIO_R(RBBM_SOFT_RESET); + rbbm_status = MMIO_R(RBBM_STATUS); + rbbm_status_cp_mask = (RBBM_STATUS__CPRQ_ON_RBB | + RBBM_STATUS__CPRQ_IN_RTBUF | + RBBM_STATUS__CP_CMDSTRM_BUSY); + if (rbbm_status & rbbm_status_cp_mask) { + DRM_INFO("[radeon_ms] cp busy (RBBM_STATUS: 0x%08X " + "RBBM_STATUS(cp_mask): 0x%08X)\n", rbbm_status, + rbbm_status_cp_mask); + } MMIO_W(CP_RB_CNTL, CP_RB_CNTL__RB_RPTR_WR_ENA); MMIO_W(CP_RB_RPTR_WR, 0); MMIO_W(CP_RB_WPTR, 0); DRM_UDELAY(5); dev_priv->ring_wptr = dev_priv->ring_rptr = MMIO_R(CP_RB_RPTR); - MMIO_W(CP_RB_WPTR, dev_priv->ring_wptr); + MMIO_W(CP_RB_CNTL, 0); } int radeon_ms_cp_wait(struct drm_device *dev, int n) @@ -332,6 +349,7 @@ int radeon_ms_ring_emit(struct drm_device *dev, uint32_t *cmd, uint32_t count) dev_priv->ring_free -= count; for (i = 0; i < count; i++) { dev_priv->ring_buffer[dev_priv->ring_wptr] = cmd[i]; + DRM_INFO("ring[%d] = 0x%08X\n", dev_priv->ring_wptr, cmd[i]); dev_priv->ring_wptr++; dev_priv->ring_wptr &= dev_priv->ring_mask; } @@ -343,3 +361,28 @@ int radeon_ms_ring_emit(struct drm_device *dev, uint32_t *cmd, uint32_t count) spin_unlock(&ring_lock); return 0; } + +int radeon_ms_resetcp(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + int i; + + DRM_INFO("[radeon_ms]--------------------------------------------\n"); + + /* reset VAP */ + DRM_INFO("[radeon_ms] status before VAP : RBBM_STATUS: 0x%08X\n", + MMIO_R(RBBM_STATUS)); + MMIO_W(RBBM_SOFT_RESET, RBBM_SOFT_RESET__SOFT_RESET_VAP); + MMIO_R(RBBM_SOFT_RESET); + MMIO_W(RBBM_SOFT_RESET, 0); + MMIO_R(RBBM_SOFT_RESET); + for (i = 0; i < 100; i++) { + DRM_UDELAY(100); + } + DRM_INFO("[radeon_ms] status after VAP : RBBM_STATUS: 0x%08X\n", + MMIO_R(RBBM_STATUS)); + + DRM_INFO("[radeon_ms]--------------------------------------------\n"); + return 0; +} |