diff options
| author | Nirmoy Das <nirmoy.aiemd@gmail.com> | 2020-06-24 20:26:46 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-06-25 11:59:28 +0200 |
| commit | 46642a7d4d80588c1f50d06885386f0c2e00fe36 (patch) | |
| tree | 07b4c845ec68caa46c41c5b339757c0219393934 | |
| parent | 8ef963ba2d568fa72429afb9b077507fcdf1daab (diff) | |
drm/vram-helper: don't use ttm bo->offset v4
Calculate GEM VRAM bo's offset within vram-helper without depending on
bo->offset.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/372938/
| -rw-r--r-- | drivers/gpu/drm/drm_gem_vram_helper.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 0023ce1d2cf7..ad096600d89f 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -281,6 +281,15 @@ u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo) } EXPORT_SYMBOL(drm_gem_vram_mmap_offset); +static u64 drm_gem_vram_pg_offset(struct drm_gem_vram_object *gbo) +{ + /* Keep TTM behavior for now, remove when drivers are audited */ + if (WARN_ON_ONCE(!gbo->bo.mem.mm_node)) + return 0; + + return gbo->bo.mem.start; +} + /** * drm_gem_vram_offset() - \ Returns a GEM VRAM object's offset in video memory @@ -297,7 +306,7 @@ s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo) { if (WARN_ON_ONCE(!gbo->pin_count)) return (s64)-ENODEV; - return gbo->bo.offset; + return drm_gem_vram_pg_offset(gbo) << PAGE_SHIFT; } EXPORT_SYMBOL(drm_gem_vram_offset); |