mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
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d6ff5ef649
trace_printk() does an extra stringify operation before calling do_trace_printk(). The string ends up unused. This has an impact to kernel even if we never end up using trace_printk(). Disable use of trace_printk() and introduce a Kconfig option for re-enabling it. Change-Id: I2e1014f5231f2089d7dc3cb2539e3eb5f4d58361 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1295298 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
132 lines
3.7 KiB
Plaintext
132 lines
3.7 KiB
Plaintext
config GK20A
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tristate "Nvidia GK20A GPU support"
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default y
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help
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Choose this option if you have an SoC with integrated
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Nvidia GPU IP.
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config GK20A_DEFAULT_TIMEOUT
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depends on GK20A
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int "Default timeout for submits"
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default 3000
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help
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Default timeout for jobs in milliseconds. Set to zero for no timeout.
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config GK20A_PMU
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bool "Support GK20A PMU"
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depends on GK20A
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default n
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help
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Say Y here to enable GK20A PMU features.
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choice
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depends on GK20A
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prompt "Enable GK20A frequency scaling"
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default GK20A_PERFMON
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optional
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help
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Select this entry to enable gk20a scaling
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config GK20A_PERFMON
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bool "Use Perfmon"
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help
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Select this to enable built-in perfmon scaling.
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The built-in scaling option uses simplistic
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scaling mechanism (if busy, increase frequency and
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decrease frequency if idle).
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config GK20A_DEVFREQ
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depends on TEGRA_CLK_FRAMEWORK || COMMON_CLK
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bool "Use Devfreq"
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help
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Select this to use devfreq based scaling.
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Devfreq is a common framework that allows using
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variety of different governors and changing
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between governors on the fly. By default, no
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governor is selected.
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endchoice
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config NVGPU_TRACK_MEM_USAGE
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bool "Track the usage of system memory in nvgpu"
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depends on GK20A
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default n
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help
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Say Y here to allow nvgpu to track and keep statistics on
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the system memory used by the driver. This does recreate
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some of the kmem_leak tracking but this is also applicable
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to other OSes which do not have Linux' kmem_leak.
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config GK20A_CYCLE_STATS
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bool "Support GK20A GPU CYCLE STATS"
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depends on GK20A
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default y
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help
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Say Y here to enable the cycle stats debugging features.
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config GK20A_CTXSW_TRACE
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bool "Support GK20A Context Switch tracing"
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depends on GK20A
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default y
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help
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Enable support for the GK20A Context Switch Tracing. In this mode,
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FECS collects timestamps for contexts loaded on GR engine. This
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allows tracking context switches on GR engine, as well as
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identifying processes that submitted work.
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config TEGRA_GK20A
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bool "Enable the GK20A GPU on Tegra"
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depends on TEGRA_GRHOST || TEGRA_HOST1X
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depends on GK20A
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default y
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help
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Enable support for the GK20A graphics engine on Tegra
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by adding a Tegra platfrom interface to the GK20A driver.
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The Tegra platform interface requires TEGRA_GRHOST (host1x).
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config TEGRA_ACR
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bool "Enable HS bin support on GM20B GPU on Tegra"
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depends on GK20A_PMU
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default n
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help
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Enable Support for Loading High Secure binary, and using
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Write Protected Regions (WPR) for storing ucodes, and bootstrap
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PMU, FECS and GPCCS in Low Secure mode.
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config TEGRA_USE_NA_GPCPLL
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bool "Enable noise aware mode of GM20B GPCPLL on Tegra"
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depends on TEGRA_CLK_FRAMEWORK || COMMON_CLK
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default n
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help
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Enable noise aware (NA) mode of GM20b GPCPLL. In this mode PLL output
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frequency is automatically adjusted when GM20b voltage is fluctuating
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because of transient PMIC or power distribution tree noise.
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config GK20A_PCI
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bool "Support PCIe NVIDIA GPUs on nvgpu"
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depends on PCI && GK20A
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default y if ARCH_TEGRA_18x_SOC
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default n
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help
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Enable support for GPUs on PCIe bus.
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config GK20A_TRACE_PRINTK
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bool "Support trace_printk debugging"
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depends on CONFIG_FTRACE_PRINTK
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default n
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help
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Enable nvgpu debug facility to redirect debug spew to ftrace. This
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affects kernel memory use, so should not be enabled by default.
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config GK20A_VIDMEM
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bool "Support separate video memory on nvgpu"
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depends on GK20A
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default n
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help
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Enable support for using and allocating buffers in a distinct video
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memory aperture (in contrast to general system memory), available on
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GPUs that have their own banks. PCIe GPUs have this, for example.
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trysource "../nvgpu-t19x/drivers/gpu/nvgpu/Kconfig"
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