diff options
Diffstat (limited to 'drivers/misc/habanalabs/goya/goya.c')
-rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 5100dfbf3acc..bde11fc2c251 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -1447,12 +1447,11 @@ static void goya_init_golden_registers(struct hl_device *hdev) /* * Workaround for H2 #HW-23 bug - * Set DMA max outstanding read requests to 240 on DMA CH 1. Set it - * to 16 on KMD DMA - * We need to limit only these DMAs because the user can only read + * Set DMA max outstanding read requests to 240 on DMA CH 1. + * This limitation is still large enough to not affect Gen4 bandwidth. + * We need to only limit that DMA channel because the user can only read * from Host using DMA CH 1 */ - WREG32(mmDMA_CH_0_CFG0, 0x0fff0010); WREG32(mmDMA_CH_1_CFG0, 0x0fff00F0); WREG32(mmTPC_PLL_CLK_RLX_0, 0x200020); @@ -3343,7 +3342,7 @@ static int goya_validate_dma_pkt_mmu(struct hl_device *hdev, * WA for HW-23. * We can't allow user to read from Host using QMANs other than 1. */ - if (parser->hw_queue_id > GOYA_QUEUE_ID_DMA_1 && + if (parser->hw_queue_id != GOYA_QUEUE_ID_DMA_1 && hl_mem_area_inside_range(le64_to_cpu(user_dma_pkt->src_addr), le32_to_cpu(user_dma_pkt->tsize), hdev->asic_prop.va_space_host_start_address, |