]> git.baikalelectronics.ru Git - kernel.git/commit
drm/ttm: make TT creation purely optional v3
authorChristian König <christian.koenig@amd.com>
Wed, 24 Jun 2020 13:15:20 +0000 (15:15 +0200)
committerChristian König <christian.koenig@amd.com>
Mon, 29 Jun 2020 15:54:13 +0000 (17:54 +0200)
commit288f40fd86528904eebd73d981f8565d8267cedf
tree4b097fe90e0a0773ec01a06f67e2c75f539bd683
parentb4fd28b222732309d0fcd29893c1982123b4ca7d
drm/ttm: make TT creation purely optional v3

We only need the page array when the BO is about to be accessed.

So not only populate, but also create it on demand.

v2: move NULL check into ttm_tt_create()
v3: fix the occurrence in ttm_bo_kmap_ttm as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Link: https://patchwork.freedesktop.org/patch/373182/
drivers/gpu/drm/ttm/ttm_bo.c
drivers/gpu/drm/ttm/ttm_bo_util.c
drivers/gpu/drm/ttm/ttm_bo_vm.c
drivers/gpu/drm/ttm/ttm_tt.c