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 <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index aed55db..465540d 100644 (file)
--- 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 7b3683f..2347de2 100644 (file)
--- 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);