diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cs.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index c7d64a739033..0137689ed461 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -580,7 +580,7 @@ int radeon_cs_finish_pages(struct radeon_cs_parser *p) return 0; } -int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx) +static int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx) { int new_page; struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; @@ -623,3 +623,28 @@ int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx) return new_page; } + +u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx) +{ + struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; + u32 pg_idx, pg_offset; + u32 idx_value = 0; + int new_page; + + pg_idx = (idx * 4) / PAGE_SIZE; + pg_offset = (idx * 4) % PAGE_SIZE; + + if (ibc->kpage_idx[0] == pg_idx) + return ibc->kpage[0][pg_offset/4]; + if (ibc->kpage_idx[1] == pg_idx) + return ibc->kpage[1][pg_offset/4]; + + new_page = radeon_cs_update_pages(p, pg_idx); + if (new_page < 0) { + p->parser_error = new_page; + return 0; + } + + idx_value = ibc->kpage[new_page][pg_offset/4]; + return idx_value; +} |