From 887f7d38e4b0d0d2405eb835b914c22c9390dc7e Mon Sep 17 00:00:00 2001 From: Oded Gabbay Date: Thu, 28 Feb 2019 10:46:15 +0200 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- drivers/misc/habanalabs/goya/goya.c | 14 +++++++------- drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h | 1 + 2 files changed, 8 insertions(+), 7 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 6f0075c4e935..578e4bdc3a49 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -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); } /* diff --git a/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h b/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h index a3c746849f02..6cb0b6e54d41 100644 --- a/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h +++ b/drivers/misc/habanalabs/include/goya/asic_reg/goya_regs.h @@ -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 -- cgit