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(parent: 58e4d68) | patch
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)
commit2ddef17678bc2ea1d20517dd2b4ed4aa967ffa8b
tree4b097fe90e0a0773ec01a06f67e2c75f539bd683tree | snapshot
parent58e4d686d456c3e356439ae160ff4a0728940b8ecommit | diff
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 diff | blob | history
drivers/gpu/drm/ttm/ttm_bo_util.c diff | blob | history
drivers/gpu/drm/ttm/ttm_bo_vm.c diff | blob | history
drivers/gpu/drm/ttm/ttm_tt.c diff | blob | history
Domain: System / Kernel;