From: Ohad Sharabi Date: Sun, 14 Nov 2021 07:37:33 +0000 (+0200) Subject: habanalabs: skip PLL freq fetch X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6f61e47a68b403f8aa7956b4b6502511fcf19bb7;p=linux.git 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 --- diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index aed55db368d7..465540d064b6 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 7b3683f2a6dc..2347de2f426a 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);