This is to assist driver modules which do BAR resizing.
Signed-off-by: Darren Salt <devspam@xxxxxxxxxxxxxxxxx>
---
drivers/pci/pci.h | 4 ----
include/linux/pci.h | 9 +++++++++
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 640ae7d74fc3..0fa31ff3d4e4 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -610,10 +610,6 @@ int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
int pci_rebar_get_current_size(struct pci_dev *pdev, int bar);
int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size);
-static inline u64 pci_rebar_size_to_bytes(int size)
-{
- return 1ULL << (size + 20);
-}
struct device_node;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 9999040cfad9..41e93ea9756b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1226,6 +1226,15 @@ void pci_update_resource(struct pci_dev *dev, int resno);
int __must_check pci_assign_resource(struct pci_dev *dev, int i);
int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
void pci_release_resource(struct pci_dev *dev, int resno);
+static __always_inline int pci_rebar_bytes_to_size(u64 bytes)
+{
+ bytes = roundup_pow_of_two(bytes);
+ return order_base_2(((bytes >> 20) | 1)) - 1;
+}
+static __always_inline u64 pci_rebar_size_to_bytes(int size)
+{
+ return 1ULL << (size + 20);
+}
u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar);
int __must_check pci_resize_resource(struct pci_dev *dev, int i, int size);
int pci_select_bars(struct pci_dev *dev, unsigned long flags);
--
2.20.1
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
