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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>
This commit is contained in:
Ohad Sharabi 2021-11-14 09:37:33 +02:00 committed by Oded Gabbay
parent a9ecddb9e3
commit 6f61e47a68
2 changed files with 10 additions and 0 deletions
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5
drivers/misc/habanalabs/gaudi/gaudi.c
View File

@ -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)

5
drivers/misc/habanalabs/goya/goya.c
View File

@ -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);