diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c')
| -rw-r--r-- | drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c index 764ffe1a..6fd0d330 100644 --- a/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/css_gr_gk20a.c | |||
| @@ -453,15 +453,24 @@ static int css_gr_create_client_data(struct gk20a *g, | |||
| 453 | u32 perfmon_count, | 453 | u32 perfmon_count, |
| 454 | struct gk20a_cs_snapshot_client *cur) | 454 | struct gk20a_cs_snapshot_client *cur) |
| 455 | { | 455 | { |
| 456 | memset(cur->snapshot, 0, sizeof(*cur->snapshot)); | 456 | /* |
| 457 | cur->snapshot->start = sizeof(*cur->snapshot); | 457 | * Special handling in-case of rm-server |
| 458 | /* we should be ensure that can fit all fifo entries here */ | 458 | * |
| 459 | cur->snapshot->end = | 459 | * client snapshot buffer will not be mapped |
| 460 | CSS_FIFO_ENTRY_CAPACITY(cur->snapshot_size) | 460 | * in-case of rm-server its only mapped in |
| 461 | * sizeof(struct gk20a_cs_snapshot_fifo_entry) | 461 | * guest side |
| 462 | + sizeof(struct gk20a_cs_snapshot_fifo); | 462 | */ |
| 463 | cur->snapshot->get = cur->snapshot->start; | 463 | if (cur->snapshot) { |
| 464 | cur->snapshot->put = cur->snapshot->start; | 464 | memset(cur->snapshot, 0, sizeof(*cur->snapshot)); |
| 465 | cur->snapshot->start = sizeof(*cur->snapshot); | ||
| 466 | /* we should be ensure that can fit all fifo entries here */ | ||
| 467 | cur->snapshot->end = | ||
| 468 | CSS_FIFO_ENTRY_CAPACITY(cur->snapshot_size) | ||
| 469 | * sizeof(struct gk20a_cs_snapshot_fifo_entry) | ||
| 470 | + sizeof(struct gk20a_cs_snapshot_fifo); | ||
| 471 | cur->snapshot->get = cur->snapshot->start; | ||
| 472 | cur->snapshot->put = cur->snapshot->start; | ||
| 473 | } | ||
| 465 | 474 | ||
| 466 | cur->perfmon_count = perfmon_count; | 475 | cur->perfmon_count = perfmon_count; |
| 467 | 476 | ||