linux-stable.git/drivers/gpu/drm/ttm, branch v4.15 Linux kernel stable tree drm/ttm: check the return value of kzalloc 2018-01-02T19:54:05+00:00 Xiongwei Song sxwjean@gmail.com 2018-01-02T13:24:55+00:00 19d859a7205bc59ffc38303eb25ae394f61d21dc In the function ttm_page_alloc_init, kzalloc call is made for variable _manager, we need to check its return value, it may return NULL. Signed-off-by: Xiongwei Song <sxwjean@gmail.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
In the function ttm_page_alloc_init, kzalloc call is made for variable
_manager, we need to check its return value, it may return NULL.

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: max_cpages is in unit of native page 2017-12-12T20:39:45+00:00 Monk Liu Monk.Liu@amd.com 2017-12-01T10:23:56+00:00 13d3fc69a03721d972460fe2bff9b479f7999221 fix calculation. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
fix calculation.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: fix incorrect calculate on shrink_pages 2017-12-12T20:39:20+00:00 Monk Liu Monk.Liu@amd.com 2017-12-01T10:21:34+00:00 a782fc8cc6bf6909daf3b65630079e2afec316ef shrink_pages is in unit of Order after ttm_page_pool_free, but it is used by nr_free in next round so need change it into native page unit Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Roger He <Hongbo.He@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
shrink_pages is in unit of Order after ttm_page_pool_free,
but it is used by nr_free in next round so need change
it into native page unit

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: swap consecutive allocated pooled pages v4 2017-12-06T14:28:31+00:00 Christian König christian.koenig@amd.com 2017-12-04T10:26:14+00:00 e60bb46b5754727c7643cc5bb7b005c49f869930 When we detect consecutive allocation of pages swap them to avoid accidentally freeing them as huge page. v2: use swap v3: check if it's really the first allocated page v4: don't touch the loop variable Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Roger He <Hongbo.He@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
When we detect consecutive allocation of pages swap them to avoid
accidentally freeing them as huge page.

v2: use swap
v3: check if it's really the first allocated page
v4: don't touch the loop variable

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: swap consecutive allocated cached pages v3 2017-12-05T19:37:06+00:00 Christian König christian.koenig@amd.com 2017-12-04T10:17:54+00:00 5ff7ec02f2f306d619c661ff8fd5392d3653d407 When we detect consecutive allocation of pages swap them to avoid accidentally freeing them as huge page. v2: use swap v3: check if it's really the first allocated page Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Roger He <Hongbo.He@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
When we detect consecutive allocation of pages swap them to avoid
accidentally freeing them as huge page.

v2: use swap
v3: check if it's really the first allocated page

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: roundup the shrink request to prevent skip huge pool 2017-12-05T19:37:06+00:00 Roger He Hongbo.He@amd.com 2017-11-21T08:47:16+00:00 2bf257d662509553ae226239e7dc1c3d00636ca6 e.g. shrink reqeust is less than 512, the logic will skip huge pool Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
e.g. shrink reqeust is less than 512, the logic will skip huge pool

Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: add page order support in ttm_pages_put 2017-12-05T19:37:06+00:00 Roger He Hongbo.He@amd.com 2017-11-21T06:24:48+00:00 bae5c5b50b20b522002d6f9f6e9dbe1ae95152aa Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: add set_pages_wb for handling page order more than zero 2017-12-05T19:37:05+00:00 Roger He Hongbo.He@amd.com 2017-11-22T07:09:33+00:00 54ddc5f2d709e9eae5c55a665b37fe2581681c90 Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: add page order in page pool 2017-12-05T19:37:05+00:00 Roger He Hongbo.He@amd.com 2017-11-21T01:37:52+00:00 6d5e4e3213f4700338627f1f2fba6d3552b1158a to indicate page order for each element in the pool Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
to indicate page order for each element in the pool

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/ttm: use NUM_PAGES_TO_ALLOC always 2017-12-05T19:37:05+00:00 Roger He Hongbo.He@amd.com 2017-11-21T01:58:26+00:00 1ee0d3d778f146b982b100ae7add0c4da9626e9a Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Roger He <Hongbo.He@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>