Messages in this thread Patch in this message | | | From | Oded Gabbay <> | Subject | [PATCH 2/8] habanalabs/gaudi: read div_sel value from firmware | Date | Sun, 31 Jul 2022 13:50:31 +0300 |
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From: Ohad Sharabi <osharabi@habana.ai>
Even when running with unsecured f/w, we should read the PLL div_sel value from the f/w as this register is always privileged.
Signed-off-by: Ohad Sharabi <osharabi@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/gaudi/gaudi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 866dc4b891d6..7f52935dc603 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -899,12 +899,13 @@ static int gaudi_early_fini(struct hl_device *hdev) */ static int gaudi_fetch_psoc_frequency(struct hl_device *hdev) { - struct asic_fixed_properties *prop = &hdev->asic_prop; u32 nr = 0, nf = 0, od = 0, div_fctr = 0, pll_clk, div_sel; + struct asic_fixed_properties *prop = &hdev->asic_prop; u16 pll_freq_arr[HL_PLL_NUM_OUTPUTS], freq; int rc; - if (hdev->asic_prop.fw_security_enabled) { + if ((hdev->fw_components & FW_TYPE_LINUX) && + (prop->fw_app_cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_PLL_INFO_EN)) { struct gaudi_device *gaudi = hdev->asic_specific; if (!(gaudi->hw_cap_initialized & HW_CAP_CPU_Q)) -- 2.25.1
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