kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c, branch v4.4.197

mm: replace get_user_pages() write/force parameters with gup_flags

2018-12-17T20:55:16+00:00

commit 768ae309a96103ed02eb1e111e838c87854d8b51 upstream. This removes the 'write' and 'force' from get_user_pages() and replaces them with 'gup_flags' to make the use of FOLL_FORCE explicit in callers as use of this flag can result in surprising behaviour (and hence bugs) within the mm subsystem. Signed-off-by: Lorenzo Stoakes Acked-by: Christian König Acked-by: Jesper Nilsson Acked-by: Michal Hocko Reviewed-by: Jan Kara Signed-off-by: Linus Torvalds [bwh: Backported to 4.4: - Drop changes in rapidio, vchiq, goldfish - Keep the "write" variable in amdgpu_ttm_tt_pin_userptr() as it's still needed - Also update calls from various other places that now use get_user_pages_remote() upstream, which were updated there by commit 9beae1ea8930 "mm: replace get_user_pages_remote() write/force ..." - Also update calls from hfi1 and ipath - Adjust context] Signed-off-by: Ben Hutchings Signed-off-by: Greg Kroah-Hartman

drm/amd/amdgpu: Return error if initiating read out of range on vram

2017-07-27T22:06:06+00:00

commit 9156e723301c0a7a7def4cde820e018ce791b842 upstream. If you initiate a read that is out of the VRAM address space return ENXIO instead of 0. Reads that begin below that point will read upto the VRAM limit as before. Signed-off-by: Tom St Denis Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: fix amdgpu_move_blit on 32bit systems

2016-09-07T06:32:42+00:00

commit 815d27a46f3119f74fe01fe10bf683aa5bc55597 upstream. This bug seems to be present for a very long time. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: use post-decrement in error handling

2016-03-03T23:07:19+00:00

commit 09ccbb74b6718ad4d1290de3f5669212c0ac7d4b upstream. We need to use post-decrement to get the pci_map_page undone also for i==0, and to avoid some very unpleasant behaviour if pci_map_page failed already at i==0. Reviewed-by: Christian König Signed-off-by: Rasmus Villemoes Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: fix issue with overlapping userptrs

2016-03-03T23:07:19+00:00

commit cc1de6e800c253172334f8774c419dc64401cd2e upstream. Otherwise we could try to evict overlapping userptr BOs in get_user_pages(), leading to a possible circular locking dependency. Signed-off-by: Christian König Acked-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: The VI specific EXE bit should only apply to GMC v8.0 above

2016-03-03T23:07:19+00:00

commit 8f3c162961fc2d92ec73a66496aab69eb2e19c36 upstream. Reviewed-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Ken Wang Signed-off-by: Greg Kroah-Hartman

drm/amdgpu: set snooped flags only on system addresses v2

2015-12-04T17:31:46+00:00

Not necessary for VRAM. v2: no need to check if ttm is NULL. Signed-off-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: add err check for pin userptr

2015-12-02T20:03:54+00:00

Missing error check if the operation failed. Signed-off-by: Chunming Zhou Reviewed-by: Christian König

drm/amdgpu: fix seq_printf format string

2015-11-16T16:05:55+00:00

The amdgpu driver has a debugfs interface that shows the amount of VRAM in use, but the newly added code causes a build error on all 32-bit architectures: drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:1076:17: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'long long int' [-Wformat=] This fixes the format string to use "%llu" for printing 64-bit numbers, which works everywhere, as long as we also cast to 'u64'. Unlike atomic64_t, u64 is defined as 'unsigned long long' on all architectures. Signed-off-by: Arnd Bergmann Fixes: a2ef8a974931 ("drm/amdgpu: add vram usage into debugfs") Signed-off-by: Alex Deucher

drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE

2015-11-04T17:29:23+00:00

Moves are exclusive operations anyway, just use the undefined owner for those. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Reviewed-by: Alex Deucher