From 6d15a886b430470421f5810d1f829f8ff66992f1 Mon Sep 17 00:00:00 2001 From: Ohad Sharabi Date: Sun, 14 Nov 2021 09:37:33 +0200 Subject: [PATCH] habanalabs: skip PLL freq fetch Getting the used PLL index with which to send the CPUPU packet relies on the CPUCP info packet. In case CPU queues are not enabled getting the PLL index will issue an error and in some ASICs will also fail the driver load. Signed-off-by: Ohad Sharabi Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 5 +++++ drivers/misc/habanalabs/goya/goya.c | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index aed55db368d70..465540d064b69 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -881,6 +881,11 @@ static int gaudi_fetch_psoc_frequency(struct hl_device *hdev) int rc; if (hdev->asic_prop.fw_security_enabled) { + struct gaudi_device *gaudi = hdev->asic_specific; + + if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q)) + return 0; + rc = hl_fw_cpucp_pll_info_get(hdev, HL_GAUDI_CPU_PLL, pll_freq_arr); if (rc) diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 7b3683f2a6dc6..2347de2f426ae 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -739,6 +739,11 @@ static void goya_fetch_psoc_frequency(struct hl_device *hdev) int rc; if (hdev->asic_prop.fw_security_enabled) { + struct goya_device *goya = hdev->asic_specific; + + if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) + return; + rc = hl_fw_cpucp_pll_info_get(hdev, HL_GOYA_PCI_PLL, pll_freq_arr); -- 2.39.5