From: Oded Gabbay <oded.gabbay@gmail.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org
Subject: [PATCH 04/15] habanalabs: fix mmu cache registers init
Date: Thu, 28 Feb 2019 10:46:13 +0200 [thread overview]
Message-ID: <20190228084624.25288-5-oded.gabbay@gmail.com> (raw)
In-Reply-To: <20190228084624.25288-1-oded.gabbay@gmail.com>
This patch fix an incorrect initialization of the MMU cache registers. The
shift operation was done in the wrong direction.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/misc/habanalabs/goya/goya.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 5780041abe32..5444cd0824b4 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -2675,8 +2675,9 @@ static int goya_mmu_init(struct hl_device *hdev)
goya->hw_cap_initialized |= HW_CAP_MMU;
/* init MMU cache manage page */
- WREG32(mmSTLB_CACHE_INV_BASE_39_8, MMU_CACHE_MNG_ADDR >> 8);
- WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR << 40);
+ WREG32(mmSTLB_CACHE_INV_BASE_39_8,
+ lower_32_bits(MMU_CACHE_MNG_ADDR >> 8));
+ WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR >> 40);
/* Remove follower feature due to performance bug */
WREG32_AND(mmSTLB_STLB_FEATURE_EN,
--
2.17.1
next prev parent reply other threads:[~2019-02-28 8:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-28 8:46 [PATCH 00/15] habanalabs fixes for merge window Oded Gabbay
2019-02-28 8:46 ` [PATCH 01/15] habanalabs: Dissociate RAZWI info from event types Oded Gabbay
2019-02-28 8:46 ` [PATCH 02/15] habanalabs: add MMU DRAM default page mapping Oded Gabbay
2019-02-28 8:46 ` [PATCH 03/15] habanalabs: disable CPU access on timeouts Oded Gabbay
2019-02-28 8:46 ` Oded Gabbay [this message]
2019-02-28 8:46 ` [PATCH 05/15] habanalabs: fix validation of WREG32 to DMA completion Oded Gabbay
2019-02-28 8:46 ` [PATCH 06/15] habanalabs: set DMA0 completion to SOB 1007 Oded Gabbay
2019-02-28 8:46 ` [PATCH 07/15] habanalabs: extend QMAN0 job timeout Oded Gabbay
2019-02-28 8:46 ` [PATCH 08/15] habanalabs: add comments in uapi/misc/habanalabs.h Oded Gabbay
2019-02-28 8:46 ` [PATCH 09/15] habanalabs: return correct error code on MMU mapping failure Oded Gabbay
2019-02-28 8:46 ` [PATCH 10/15] habanalabs: fix memory leak with CBs with unaligned size Oded Gabbay
2019-02-28 8:46 ` [PATCH 11/15] habanalabs: print pointer using %p Oded Gabbay
2019-02-28 9:31 ` Greg KH
2019-02-28 9:47 ` Oded Gabbay
2019-02-28 8:46 ` [PATCH 12/15] habanalabs: soft-reset device if context-switch fails Oded Gabbay
2019-02-28 8:46 ` [PATCH 13/15] habanalabs: fix little-endian<->cpu conversion warnings Oded Gabbay
2019-02-28 8:46 ` [PATCH 14/15] habanalabs: use NULL to initialize array of pointers Oded Gabbay
2019-02-28 8:46 ` [PATCH 15/15] habanalabs: fix little-endian<->cpu conversion warnings Oded Gabbay
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