diff options
| author | Tomer Tayar <ttayar@habana.ai> | 2022-10-20 12:05:09 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-11-23 17:13:47 +0300 |
| commit | 2c77ec14c2db228f76a74e9123aecbb5b8c994f5 (patch) | |
| tree | 553bc39ef0f12022800f24ce8438ba34547a9ffb /drivers/misc | |
| parent | 24c983c88f5e7865de972e3b395baf2c237485ca (diff) | |
| download | linux-2c77ec14c2db228f76a74e9123aecbb5b8c994f5.tar.xz | |
habanalabs/gaudi2: don't enable entries in the MSIX_GW table
User should use the virtual MSI-X doorbell to generate interrupts from
the device, so there is no need to enable entries in the MSIX_GW table.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/gaudi2/gaudi2.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c index 36f0ea1100bb..d5efec347bc1 100644 --- a/drivers/misc/habanalabs/gaudi2/gaudi2.c +++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c @@ -4695,30 +4695,6 @@ static void gaudi2_init_dec(struct hl_device *hdev) } } -static void gaudi2_init_msix_gw_table(struct hl_device *hdev) -{ - u32 first_reg_offset, last_reg_offset, msix_gw_table_base; - u8 first_bit, last_bit; - int i; - - msix_gw_table_base = mmPCIE_WRAP_MSIX_GW_TABLE_0; - first_reg_offset = (GAUDI2_IRQ_NUM_USER_FIRST >> 5) << 2; - first_bit = GAUDI2_IRQ_NUM_USER_FIRST % 32; - last_reg_offset = (GAUDI2_IRQ_NUM_USER_LAST >> 5) << 2; - last_bit = GAUDI2_IRQ_NUM_USER_LAST % 32; - - if (first_reg_offset == last_reg_offset) { - WREG32(msix_gw_table_base + first_reg_offset, GENMASK(last_bit, first_bit)); - return; - } - - WREG32(msix_gw_table_base + first_reg_offset, GENMASK(31, first_bit)); - WREG32(msix_gw_table_base + last_reg_offset, GENMASK(last_bit, 0)); - - for (i = first_reg_offset + 4; i < last_reg_offset ; i += 4) - WREG32(msix_gw_table_base + i, 0xFFFFFFFF); -} - static int gaudi2_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 stlb_base, u32 asid, u64 phys_addr) { @@ -5232,8 +5208,6 @@ static int gaudi2_hw_init(struct hl_device *hdev) return rc; } - gaudi2_init_msix_gw_table(hdev); - gaudi2_init_scrambler_hbm(hdev); gaudi2_init_kdma(hdev); |