On Fri, Apr 12, 2019 at 5:56 AM Bartlomiej Zolnierkiewicz
<b.zolnierkie@xxxxxxxxxxx> wrote:
>
> 'default n' is the default value for any bool or tristate Kconfig
> setting so there is no need to write it explicitly.
>
> Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
> is not set' for visible symbols") the Kconfig behavior is the same
> regardless of 'default n' being present or not:
>
> ...
> One side effect of (and the main motivation for) this change is making
> the following two definitions behave exactly the same:
>
> config FOO
> bool
>
> config FOO
> bool
> default n
>
> With this change, neither of these will generate a
> '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
> That might make it clearer to people that a bare 'default n' is
> redundant.
> ...
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
for amdgpu and drm.
> ---
> drivers/gpu/drm/Kconfig | 5 -----
> drivers/gpu/drm/amd/amdgpu/Kconfig | 1 -
> drivers/gpu/drm/arm/Kconfig | 1 -
> drivers/gpu/drm/exynos/Kconfig | 2 --
> drivers/gpu/drm/i915/Kconfig | 3 ---
> drivers/gpu/drm/i915/Kconfig.debug | 13 -------------
> drivers/gpu/drm/msm/Kconfig | 2 --
> drivers/gpu/drm/nouveau/Kconfig | 2 --
> drivers/gpu/drm/omapdrm/Kconfig | 1 -
> drivers/gpu/drm/omapdrm/dss/Kconfig | 6 ------
> 10 files changed, 36 deletions(-)
>
> Index: b/drivers/gpu/drm/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -37,7 +37,6 @@ config DRM_DP_AUX_CHARDEV
>
> config DRM_DEBUG_MM
> bool "Insert extra checks and debug info into the DRM range managers"
> - default n
> depends on DRM=y
> depends on STACKTRACE_SUPPORT
> select STACKDEPOT
> @@ -56,7 +55,6 @@ config DRM_DEBUG_SELFTEST
> select PRIME_NUMBERS
> select DRM_LIB_RANDOM
> select DRM_KMS_HELPER
> - default n
> help
> This option provides kernel modules that can be used to run
> various selftests on parts of the DRM api. This option is not
> @@ -113,7 +111,6 @@ config DRM_FBDEV_OVERALLOC
> config DRM_FBDEV_LEAK_PHYS_SMEM
> bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)"
> depends on DRM_FBDEV_EMULATION && EXPERT
> - default n
> help
> In order to keep user-space compatibility, we want in certain
> use-cases to keep leaking the fbdev physical address to the
> @@ -247,7 +244,6 @@ config DRM_VKMS
> tristate "Virtual KMS (EXPERIMENTAL)"
> depends on DRM
> select DRM_KMS_HELPER
> - default n
> help
> Virtual Kernel Mode-Setting (VKMS) is used for testing or for
> running GPU in a headless machines. Choose this option to get
> @@ -424,4 +420,3 @@ config DRM_PANEL_ORIENTATION_QUIRKS
>
> config DRM_LIB_RANDOM
> bool
> - default n
> Index: b/drivers/gpu/drm/amd/amdgpu/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/amd/amdgpu/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -35,7 +35,6 @@ config DRM_AMDGPU_GART_DEBUGFS
> bool "Allow GART access through debugfs"
> depends on DRM_AMDGPU
> depends on DEBUG_FS
> - default n
> help
> Selecting this option creates a debugfs file to inspect the mapped
> pages. Uses more memory for housekeeping, enable only for debugging.
> Index: b/drivers/gpu/drm/arm/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/arm/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/arm/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -16,7 +16,6 @@ config DRM_HDLCD
> config DRM_HDLCD_SHOW_UNDERRUN
> bool "Show underrun conditions"
> depends on DRM_HDLCD
> - default n
> help
> Enable this option to show in red colour the pixels that the
> HDLCD device did not fetch from framebuffer due to underrun
> Index: b/drivers/gpu/drm/exynos/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/exynos/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/exynos/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -46,7 +46,6 @@ config DRM_EXYNOS_DPI
> bool "Parallel output"
> depends on DRM_EXYNOS_FIMD
> select DRM_PANEL
> - default n
> help
> This enables support for Exynos parallel output.
>
> @@ -55,7 +54,6 @@ config DRM_EXYNOS_DSI
> depends on DRM_EXYNOS_FIMD || DRM_EXYNOS5433_DECON || DRM_EXYNOS7_DECON
> select DRM_MIPI_DSI
> select DRM_PANEL
> - default n
> help
> This enables support for Exynos MIPI-DSI device.
>
> Index: b/drivers/gpu/drm/i915/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/i915/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/i915/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -45,7 +45,6 @@ config DRM_I915
> config DRM_I915_ALPHA_SUPPORT
> bool "Enable alpha quality support for new Intel hardware by default"
> depends on DRM_I915
> - default n
> help
> Choose this option if you have new Intel hardware and want to enable
> the alpha quality i915 driver support for the hardware in this kernel
> @@ -99,7 +98,6 @@ config DRM_I915_GVT
> bool "Enable Intel GVT-g graphics virtualization host support"
> depends on DRM_I915
> depends on 64BIT
> - default n
> help
> Choose this option if you want to enable Intel GVT-g graphics
> virtualization technology host support with integrated graphics.
> @@ -123,7 +121,6 @@ config DRM_I915_GVT_KVMGT
> depends on DRM_I915_GVT
> depends on KVM
> depends on VFIO_MDEV && VFIO_MDEV_DEVICE
> - default n
> help
> Choose this option if you want to enable KVMGT support for
> Intel GVT-g.
> Index: b/drivers/gpu/drm/i915/Kconfig.debug
> ===================================================================
> --- a/drivers/gpu/drm/i915/Kconfig.debug 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/i915/Kconfig.debug 2019-04-12 11:42:30.066095359 +0200
> @@ -6,7 +6,6 @@ config DRM_I915_WERROR
> # We use the dependency on !COMPILE_TEST to not be enabled in
> # allmodconfig or allyesconfig configurations
> depends on !COMPILE_TEST
> - default n
> help
> Add -Werror to the build flags for (and only for) i915.ko.
> Do not enable this unless you are writing code for the i915.ko module.
> @@ -31,7 +30,6 @@ config DRM_I915_DEBUG
> select DRM_I915_SW_FENCE_DEBUG_OBJECTS
> select DRM_I915_SELFTEST
> select DRM_I915_DEBUG_RUNTIME_PM
> - default n
> help
> Choose this option to turn on extra driver debugging that may affect
> performance but will catch some internal issues.
> @@ -42,7 +40,6 @@ config DRM_I915_DEBUG
>
> config DRM_I915_DEBUG_GEM
> bool "Insert extra checks into the GEM internals"
> - default n
> depends on DRM_I915_WERROR
> help
> Enable extra sanity checks (including BUGs) along the GEM driver
> @@ -54,7 +51,6 @@ config DRM_I915_DEBUG_GEM
>
> config DRM_I915_ERRLOG_GEM
> bool "Insert extra logging (very verbose) for common GEM errors"
> - default n
> depends on DRM_I915_DEBUG_GEM
> help
> Enable additional logging that may help track down the cause of
> @@ -68,7 +64,6 @@ config DRM_I915_TRACE_GEM
> bool "Insert extra ftrace output from the GEM internals"
> depends on DRM_I915_DEBUG_GEM
> select TRACING
> - default n
> help
> Enable additional and verbose debugging output that will spam
> ordinary tests, but may be vital for post-mortem debugging when
> @@ -82,7 +77,6 @@ config DRM_I915_SW_FENCE_DEBUG_OBJECTS
> bool "Enable additional driver debugging for fence objects"
> depends on DRM_I915
> select DEBUG_OBJECTS
> - default n
> help
> Choose this option to turn on extra driver debugging that may affect
> performance but will catch some internal issues.
> @@ -94,7 +88,6 @@ config DRM_I915_SW_FENCE_DEBUG_OBJECTS
> config DRM_I915_SW_FENCE_CHECK_DAG
> bool "Enable additional driver debugging for detecting dependency cycles"
> depends on DRM_I915
> - default n
> help
> Choose this option to turn on extra driver debugging that may affect
> performance but will catch some internal issues.
> @@ -106,7 +99,6 @@ config DRM_I915_SW_FENCE_CHECK_DAG
> config DRM_I915_DEBUG_GUC
> bool "Enable additional driver debugging for GuC"
> depends on DRM_I915
> - default n
> help
> Choose this option to turn on extra driver debugging that may affect
> performance but will help resolve GuC related issues.
> @@ -118,7 +110,6 @@ config DRM_I915_DEBUG_GUC
> config DRM_I915_SELFTEST
> bool "Enable selftests upon driver load"
> depends on DRM_I915
> - default n
> select FAULT_INJECTION
> select PRIME_NUMBERS
> help
> @@ -135,7 +126,6 @@ config DRM_I915_SELFTEST_BROKEN
> bool "Enable broken and dangerous selftests"
> depends on DRM_I915_SELFTEST
> depends on BROKEN
> - default n
> help
> This option enables the execution of selftests that are "dangerous"
> and may trigger unintended HW side-effects as they break strict
> @@ -148,7 +138,6 @@ config DRM_I915_SELFTEST_BROKEN
> config DRM_I915_LOW_LEVEL_TRACEPOINTS
> bool "Enable low level request tracing events"
> depends on DRM_I915
> - default n
> help
> Choose this option to turn on low level request tracing events.
> This provides the ability to precisely monitor engine utilisation
> @@ -159,7 +148,6 @@ config DRM_I915_LOW_LEVEL_TRACEPOINTS
> config DRM_I915_DEBUG_VBLANK_EVADE
> bool "Enable extra debug warnings for vblank evasion"
> depends on DRM_I915
> - default n
> help
> Choose this option to turn on extra debug warnings for the
> vblank evade mechanism. This gives a warning every time the
> @@ -172,7 +160,6 @@ config DRM_I915_DEBUG_VBLANK_EVADE
> config DRM_I915_DEBUG_RUNTIME_PM
> bool "Enable extra state checking for runtime PM"
> depends on DRM_I915
> - default n
> select STACKDEPOT
> help
> Choose this option to turn on extra state checking for the
> Index: b/drivers/gpu/drm/msm/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/msm/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/msm/Kconfig 2019-04-12 11:42:30.066095359 +0200
> @@ -24,7 +24,6 @@ config DRM_MSM
> config DRM_MSM_REGISTER_LOGGING
> bool "MSM DRM register logging"
> depends on DRM_MSM
> - default n
> help
> Compile in support for logging register reads/writes in a format
> that can be parsed by envytools demsm tool. If enabled, register
> @@ -33,7 +32,6 @@ config DRM_MSM_REGISTER_LOGGING
> config DRM_MSM_GPU_SUDO
> bool "Enable SUDO flag on submits"
> depends on DRM_MSM && EXPERT
> - default n
> help
> Enable userspace that has CAP_SYS_RAWIO to submit GPU commands
> that are run from RB instead of IB1. This essentially gives
> Index: b/drivers/gpu/drm/nouveau/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/nouveau/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/nouveau/Kconfig 2019-04-12 11:43:25.998096767 +0200
> @@ -60,7 +60,6 @@ config NOUVEAU_DEBUG_DEFAULT
> config NOUVEAU_DEBUG_MMU
> bool "Enable additional MMU debugging"
> depends on DRM_NOUVEAU
> - default n
> help
> Say Y here if you want to enable verbose MMU debug output.
>
> @@ -79,7 +78,6 @@ config DRM_NOUVEAU_SVM
> depends on STAGING
> select HMM_MIRROR
> select DEVICE_PRIVATE
> - default n
> help
> Say Y here if you want to enable experimental support for
> Shared Virtual Memory (SVM).
> Index: b/drivers/gpu/drm/omapdrm/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/omapdrm/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/omapdrm/Kconfig 2019-04-12 11:42:30.070095359 +0200
> @@ -4,7 +4,6 @@ config DRM_OMAP
> depends on ARCH_OMAP2PLUS || ARCH_MULTIPLATFORM
> select OMAP2_DSS
> select DRM_KMS_HELPER
> - default n
> help
> DRM display driver for OMAP2/3/4 based boards.
>
> Index: b/drivers/gpu/drm/omapdrm/dss/Kconfig
> ===================================================================
> --- a/drivers/gpu/drm/omapdrm/dss/Kconfig 2019-04-12 11:42:30.070095359 +0200
> +++ b/drivers/gpu/drm/omapdrm/dss/Kconfig 2019-04-12 11:42:30.070095359 +0200
> @@ -17,7 +17,6 @@ if OMAP2_DSS
>
> config OMAP2_DSS_DEBUG
> bool "Debug support"
> - default n
> help
> This enables printing of debug messages. Alternatively, debug messages
> can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
> @@ -26,7 +25,6 @@ config OMAP2_DSS_DEBUG
> config OMAP2_DSS_DEBUGFS
> bool "Debugfs filesystem support"
> depends on DEBUG_FS
> - default n
> help
> This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
> querying about clock configuration and register configuration of dss,
> @@ -35,7 +33,6 @@ config OMAP2_DSS_DEBUGFS
> config OMAP2_DSS_COLLECT_IRQ_STATS
> bool "Collect DSS IRQ statistics"
> depends on OMAP2_DSS_DEBUGFS
> - default n
> help
> Collect DSS IRQ statistics, printable via debugfs.
>
> @@ -75,7 +72,6 @@ config OMAP4_DSS_HDMI_CEC
>
> config OMAP5_DSS_HDMI
> bool "HDMI support for OMAP5"
> - default n
> select OMAP2_DSS_HDMI_COMMON
> help
> HDMI Interface for OMAP5 and similar cores. This adds the High
> @@ -84,7 +80,6 @@ config OMAP5_DSS_HDMI
>
> config OMAP2_DSS_SDI
> bool "SDI support"
> - default n
> help
> SDI (Serial Display Interface) support.
>
> @@ -93,7 +88,6 @@ config OMAP2_DSS_SDI
>
> config OMAP2_DSS_DSI
> bool "DSI support"
> - default n
> help
> MIPI DSI (Display Serial Interface) support.
>
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