lkml.org 
[lkml]   [2020]   [Sep]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] habanalabs/gaudi: remove axi drain support
Date
AXI drain is broken in GAUDI so remove support for enabling it.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/gaudi/gaudi.c | 16 ----------------
1 file changed, 16 deletions(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 6f7f6ad7a358..2c10e3f92c86 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -2885,22 +2885,6 @@ static void gaudi_pre_hw_init(struct hl_device *hdev)
*/
RREG32(mmPCIE_WRAP_LBW_PROT_OVR);

- if (hdev->axi_drain) {
- WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG,
- 1 << PCIE_WRAP_LBW_DRAIN_CFG_EN_SHIFT);
- WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG,
- 1 << PCIE_WRAP_HBW_DRAIN_CFG_EN_SHIFT);
-
- /* Perform read to flush the DRAIN cfg */
- RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG);
- } else {
- WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG, 0);
- WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG, 0);
-
- /* Perform read to flush the DRAIN cfg */
- RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG);
- }
-
/* Configure the reset registers. Must be done as early as possible
* in case we fail during H/W initialization
*/
--
2.17.1
\
 
 \ /
  Last update: 2020-09-16 23:01    [W:0.039 / U:0.992 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site