Hi,
On 05:42 PM - Dec 01 2015, Karol Herbst wrote:
> this is just a nice thing to know and there is no harm in printing them
> ---
> drm/nouveau/nvkm/subdev/clk/base.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drm/nouveau/nvkm/subdev/clk/base.c
> b/drm/nouveau/nvkm/subdev/clk/base.c
> index d731bc3..df9173e 100644
> --- a/drm/nouveau/nvkm/subdev/clk/base.c
> +++ b/drm/nouveau/nvkm/subdev/clk/base.c
> @@ -24,6 +24,7 @@
> #include "priv.h"
>
> #include <subdev/bios.h>
> +#include <subdev/bios/baseclock.h>
> #include <subdev/bios/boost.h>
> #include <subdev/bios/cstep.h>
> #include <subdev/bios/perf.h>
> @@ -562,10 +563,25 @@ int
> nvkm_clk_ctor(const struct nvkm_clk_func *func, struct nvkm_device *device,
> int index, bool allow_reclock, struct nvkm_clk *clk)
> {
> + struct nvkm_bios *bios;
> int ret, idx, arglen;
> const char *mode;
> + struct nvbios_baseclock_header header;
>
> nvkm_subdev_ctor(&nvkm_clk, device, index, 0, &clk->subdev);
> + bios = device->bios;
> +
> + if (bios && !nvbios_baseclock_parse(bios, &header)) {
> + struct nvbios_baseclock_entry base_entry, boost_entry;
> + if (nvbios_baseclock_get_entry(bios, &header,
> header.base_entry, &base_entry))
> + nvkm_error(&clk->subdev, "couldn't parse base clock\n");
> + else if (nvbios_baseclock_get_entry(bios, &header,
> header.boost_entry, &boost_entry))
> + nvkm_error(&clk->subdev, "couldn't parse boost
> clock\n");
> + else
> + nvkm_info(&clk->subdev, "base: %i MHz, boost: %i MHz\n",
> + base_entry.clock_mhz / 2, boost_entry.clock_mhz
> / 2);
This is probably just me missing some elementary electronic knowledge about
clocks, but why do you divide the clock frequency by two?
Regards,
Pierre
> + }
> +
> clk->func = func;
> INIT_LIST_HEAD(&clk->states);
> clk->domains = func->domains;
> --
> 2.6.3
>
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