UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

habanalabs/gaudi2: remove configurations to access the MSI-X doorbell 

The virtual MSI-X doorbell is supported now in F/W, so all
configurations to access the PCIE_DBI MSI-X doorbell can be removed.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Tomer Tayar 2022-10-20 11:29:03 +03:00 committed by Oded Gabbay
parent e325d5dbf3
commit 5ad06bb1d2
1 changed files with 3 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/misc/habanalabs/gaudi2/gaudi2.c
View File

@ -4473,23 +4473,9 @@ static void gaudi2_init_sm(struct hl_device *hdev)
reg_val = FIELD_PREP(DCORE0_SYNC_MNGR_OBJS_MON_CONFIG_CQ_EN_MASK, 1);
WREG32(mmDCORE0_SYNC_MNGR_OBJS_MON_CONFIG_0 + (4 * i), reg_val);
/* Init CQ0 DB */
/* Configure the monitor to trigger MSI-X interrupt */
/* TODO:
* Remove the if statement when virtual MSI-X doorbell is supported in simulator (SW-93022)
* and in F/W (SW-93024).
*/
if (!hdev->pdev || hdev->asic_prop.fw_security_enabled) {
u64 msix_db_reg = CFG_BASE + mmPCIE_DBI_MSIX_DOORBELL_OFF;
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_L_0, lower_32_bits(msix_db_reg));
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_H_0, upper_32_bits(msix_db_reg));
} else {
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_L_0,
lower_32_bits(gaudi2->virt_msix_db_dma_addr));
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_H_0,
upper_32_bits(gaudi2->virt_msix_db_dma_addr));
}
/* Init CQ0 DB - configure the monitor to trigger MSI-X interrupt */
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_L_0, lower_32_bits(gaudi2->virt_msix_db_dma_addr));
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_ADDR_H_0, upper_32_bits(gaudi2->virt_msix_db_dma_addr));
WREG32(mmDCORE0_SYNC_MNGR_GLBL_LBW_DATA_0, GAUDI2_IRQ_NUM_COMPLETION);
for (i = 0 ; i < GAUDI2_RESERVED_CQ_NUMBER ; i++) {
@ -4657,20 +4643,6 @@ static void gaudi2_init_vdec_brdg_ctrl(struct hl_device *hdev, u64 base_addr, u3
{
u32 sob_id;
/* TODO:
* Remove when virtual MSI-X doorbell is supported in simulator (SW-93022) and in F/W
* (SW-93024).
*/
if (!hdev->pdev || hdev->asic_prop.fw_security_enabled) {
u32 interrupt_id = GAUDI2_IRQ_NUM_DCORE0_DEC0_NRM + 2 * decoder_id;
WREG32(base_addr + BRDG_CTRL_NRM_MSIX_LBW_AWADDR, mmPCIE_DBI_MSIX_DOORBELL_OFF);
WREG32(base_addr + BRDG_CTRL_NRM_MSIX_LBW_WDATA, interrupt_id);
WREG32(base_addr + BRDG_CTRL_ABNRM_MSIX_LBW_AWADDR, mmPCIE_DBI_MSIX_DOORBELL_OFF);
WREG32(base_addr + BRDG_CTRL_ABNRM_MSIX_LBW_WDATA, interrupt_id + 1);
return;
}
/* VCMD normal interrupt */
sob_id = GAUDI2_RESERVED_SOB_DEC_NRM_FIRST + decoder_id;
WREG32(base_addr + BRDG_CTRL_NRM_MSIX_LBW_AWADDR,