[PATCH] habanalabs: fix DDR bar address setting
From: Omer Shpigelman
Date: Thu Feb 06 2020 - 06:16:59 EST
DRAM_PHYS_BASE is already taken into account in MMU_PAGE_TABLES_ADDR.
Signed-off-by: Omer Shpigelman <oshpigelman@xxxxxxxxx>
---
drivers/misc/habanalabs/goya/goya.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 74785ccd2cb1..f634e9c5cad9 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -2575,8 +2575,7 @@ static int goya_hw_init(struct hl_device *hdev)
* After CPU initialization is finished, change DDR bar mapping inside
* iATU to point to the start address of the MMU page tables
*/
- if (goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE +
- (MMU_PAGE_TABLES_ADDR &
+ if (goya_set_ddr_bar_base(hdev, (MMU_PAGE_TABLES_ADDR &
~(prop->dram_pci_bar_size - 0x1ull))) == U64_MAX) {
dev_err(hdev->dev,
"failed to map DDR bar to MMU page tables\n");
--
2.17.1