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habanalabs: set DMA0 completion to SOB 1007 

This patch fix a bug where DMA channel 0 completion address wasn't
initialized by the driver.

The patch sets the address to Sync Object no. 1007

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oded Gabbay 2019-02-28 10:46:15 +02:00 committed by Greg Kroah-Hartman
parent 6765fda0f4
commit 887f7d38e4
2 changed files with 8 additions and 7 deletions
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14
drivers/misc/habanalabs/goya/goya.c
View File

@ -1036,15 +1036,15 @@ static void goya_init_dma_ch(struct hl_device *hdev, int dma_id)
WREG32(mmDMA_CH_0_ERRMSG_WDATA + reg_off,
GOYA_ASYNC_EVENT_ID_DMA0_CH + dma_id);
if (dma_id) {
if (dma_id)
sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1000 +
(dma_id - 1) * 4;
WREG32(mmDMA_CH_0_WR_COMP_ADDR_LO + reg_off,
lower_32_bits(sob_addr));
WREG32(mmDMA_CH_0_WR_COMP_ADDR_HI + reg_off,
upper_32_bits(sob_addr));
WREG32(mmDMA_CH_0_WR_COMP_WDATA + reg_off, 0x80000001);
}
else
sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1007;
WREG32(mmDMA_CH_0_WR_COMP_ADDR_LO + reg_off, lower_32_bits(sob_addr));
WREG32(mmDMA_CH_0_WR_COMP_ADDR_HI + reg_off, upper_32_bits(sob_addr));
WREG32(mmDMA_CH_0_WR_COMP_WDATA + reg_off, 0x80000001);
}
/*

1
drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h
View File

@ -108,6 +108,7 @@
#define mmSYNC_MNGR_MON_PAY_ADDRL_0 0x113000
#define mmSYNC_MNGR_SOB_OBJ_0 0x112000
#define mmSYNC_MNGR_SOB_OBJ_1000 0x112FA0
#define mmSYNC_MNGR_SOB_OBJ_1007 0x112FBC
#define mmSYNC_MNGR_SOB_OBJ_1023 0x112FFC
#define mmSYNC_MNGR_MON_STATUS_0 0x114000
#define mmSYNC_MNGR_MON_STATUS_255 0x1143FC