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 <[email protected]> --- 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
