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 12:20:38 +0000 (14:20 +0200)
commit2a269ba888d3dcf950ef7ceb8421f7ff6aeaa9c0
tree07895dfc6f6667cb81b30b1c13b0ffd4f416a4f8
parenta4394b6d0a273941a75ebe86a86d6416d536ed0f
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