| Message ID | 20230426015251.551223-1-mukul.joshi@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] drm/ttm: Helper function to get TTM mem limit | expand |
Am 26.04.23 um 03:52 schrieb Mukul Joshi: > Add a helper function to get TTM memory limit. This is > needed by KFD to set its own internal memory limits. > > Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> for the series. > --- > drivers/gpu/drm/ttm/ttm_tt.c | 6 ++++++ > include/drm/ttm/ttm_tt.h | 2 +- > 2 files changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c > index d505603930a7..1f765dd7792c 100644 > --- a/drivers/gpu/drm/ttm/ttm_tt.c > +++ b/drivers/gpu/drm/ttm/ttm_tt.c > @@ -449,3 +449,9 @@ ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, > return &iter_tt->base; > } > EXPORT_SYMBOL(ttm_kmap_iter_tt_init); > + > +unsigned long ttm_tt_pages_limit(void) > +{ > + return ttm_pages_limit; > +} > +EXPORT_SYMBOL(ttm_tt_pages_limit); > diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h > index b7d3f3843f1e..d54b2dc05d71 100644 > --- a/include/drm/ttm/ttm_tt.h > +++ b/include/drm/ttm/ttm_tt.h > @@ -222,7 +222,7 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages); > > struct ttm_kmap_iter *ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, > struct ttm_tt *tt); > - > +unsigned long ttm_tt_pages_limit(void); > #if IS_ENABLED(CONFIG_AGP) > #include <linux/agp_backend.h> >
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index d505603930a7..1f765dd7792c 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -449,3 +449,9 @@ ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, return &iter_tt->base; } EXPORT_SYMBOL(ttm_kmap_iter_tt_init); + +unsigned long ttm_tt_pages_limit(void) +{ + return ttm_pages_limit; +} +EXPORT_SYMBOL(ttm_tt_pages_limit); diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index b7d3f3843f1e..d54b2dc05d71 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -222,7 +222,7 @@ void ttm_tt_mgr_init(unsigned long num_pages, unsigned long num_dma32_pages); struct ttm_kmap_iter *ttm_kmap_iter_tt_init(struct ttm_kmap_iter_tt *iter_tt, struct ttm_tt *tt); - +unsigned long ttm_tt_pages_limit(void); #if IS_ENABLED(CONFIG_AGP) #include <linux/agp_backend.h>
Add a helper function to get TTM memory limit. This is needed by KFD to set its own internal memory limits. Signed-off-by: Mukul Joshi <mukul.joshi@amd.com> --- drivers/gpu/drm/ttm/ttm_tt.c | 6 ++++++ include/drm/ttm/ttm_tt.h | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-)