Re: [2/2] drm/ttm: make TT creation purely optional v3

Am 06.08.20 um 11:05 schrieb Michel Dänzer: On 2020-08-06 10:43 a.m., Christian König wrote: Am 06.08.20 um 10:01 schrieb Michel Dänzer: On 2020-08-06 9:13 a.m., Christian König wrote: Am 05.08.20 um 18:16 schrieb Michel Dänzer: On 2020-06-29 5:19 p.m., Christian König wrote: We only need th

Re: [2/2] drm/ttm: make TT creation purely optional v3

On 2020-08-06 10:43 a.m., Christian König wrote: > Am 06.08.20 um 10:01 schrieb Michel Dänzer: >> On 2020-08-06 9:13 a.m., Christian König wrote: >>> Am 05.08.20 um 18:16 schrieb Michel Dänzer: On 2020-06-29 5:19 p.m., Christian König wrote: > We only need the page array when the BO is abo

Re: [2/2] drm/ttm: make TT creation purely optional v3

Am 06.08.20 um 10:01 schrieb Michel Dänzer: On 2020-08-06 9:13 a.m., Christian König wrote: Am 05.08.20 um 18:16 schrieb Michel Dänzer: On 2020-06-29 5:19 p.m., Christian König wrote: We only need the page array when the BO is about to be accessed. So not only populate, but also create it on

Re: [2/2] drm/ttm: make TT creation purely optional v3

On 2020-08-06 9:13 a.m., Christian König wrote: > Am 05.08.20 um 18:16 schrieb Michel Dänzer: >> On 2020-06-29 5:19 p.m., Christian König wrote: >>> 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 che

Re: [2/2] drm/ttm: make TT creation purely optional v3

Am 05.08.20 um 18:16 schrieb Michel Dänzer: On 2020-06-29 5:19 p.m., Christian König wrote: 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

Re: [2/2] drm/ttm: make TT creation purely optional v3

On 2020-06-29 5:19 p.m., Christian König wrote: > 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 This broke amdgpu userptr fu

[PATCH 2/2] 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 Reviewed-by: Michael J. Ruhl --- drivers/gpu/drm/ttm/t