When SWIOTLB is configured, if without this patch kernel compilation
fails with such error messages:
drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_populate':
drivers/gpu/drm/radeon/radeon_ttm.c:606:2: error: implicit declaration of
function 'swiotlb_nr_tbl'
drivers/gpu/drm/radeo
When SWIOTLB is configured, if without this patch kernel compilation
fails with such error messages:
drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_populate':
drivers/gpu/drm/radeon/radeon_ttm.c:606:2: error: implicit declaration of
function 'swiotlb_nr_tbl'
drivers/gpu/drm/radeo
