Quoting Mika Kuoppala (2019-06-14 17:43:45) > Allocate all page directory variants with alloc_pd. As > the lvl3 and lvl4 variants differ in manipulation, we > need to check for existence of backing phys page before accessing > it. > > v2: use err in returns > > Signed-off-by: Mika Kuoppala <[email protected]> > --- > drivers/gpu/drm/i915/i915_gem_gtt.c | 88 ++++++++++++----------------- > 1 file changed, 36 insertions(+), 52 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c > b/drivers/gpu/drm/i915/i915_gem_gtt.c > index 25805971f771..de264b3a0105 100644 > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c > @@ -719,10 +719,17 @@ static struct i915_page_directory *alloc_pd(struct > i915_address_space *vm) > return pd; > } > > +static inline bool pd_has_phys_page(const struct i915_page_directory * const > pd) > +{ > + return pd->base.page;
Ok. I have no better magic. Reviewed-by: Chris Wilson <[email protected]> -Chris _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
