drm/ttm: fix error handling if no BO can be swapped out v4
authorShiwu Zhang <shiwu.zhang@amd.com>
Thu, 22 Apr 2021 08:37:49 +0000 (16:37 +0800)
committerChristian König <christian.koenig@amd.com>
Fri, 23 Apr 2021 12:08:04 +0000 (14:08 +0200)
commit13ea9aa1e7d891e950230e82f1dd2c84e5debcff
tree52133d57efe5667f5a1c7d24e9520dab5e738391
parentae053fa234f42b4abc582372af7410ad0e3e1dad
drm/ttm: fix error handling if no BO can be swapped out v4

In case that all pre-allocated BOs are busy, just continue to populate
BOs since likely half of system memory in total is still free.

v4 (chk): fix code moved to VMWGFX as well

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210422115757.3946-1-christian.koenig@amd.com
drivers/gpu/drm/ttm/ttm_device.c
drivers/gpu/drm/ttm/ttm_tt.c
drivers/gpu/drm/vmwgfx/ttm_memory.c