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i915: Add a Kconfig option to turn on i915.preliminary_hw_support by default

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When building kernels for a preliminary hardware target, having to add a
kernel command-line option can prove inconvenient.  Add a Kconfig option
that changes the default of this option to 1.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Pimp the Kconfig help text a bit as suggested by Damien in
his 2nd review.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Josh Triplett 2013-08-13 16:23:17 -07:00 committed by Daniel Vetter
parent 79f8dea133
commit 99486b8e61
2 changed files with 13 additions and 2 deletions
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11
drivers/gpu/drm/Kconfig
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@ -168,6 +168,17 @@ config DRM_I915_KMS
the driver to bind to PCI devices, which precludes loading things the driver to bind to PCI devices, which precludes loading things
like intelfb. like intelfb.
config DRM_I915_PRELIMINARY_HW_SUPPORT
bool "Enable preliminary support for prerelease Intel hardware by default"
depends on DRM_I915
help
Choose this option if you have prerelease Intel hardware and want the
i915 driver to support it by default. You can enable such support at
runtime with the module option i915.preliminary_hw_support=1; this
option changes the default for that module option.
If in doubt, say "N".
config DRM_MGA config DRM_MGA
tristate "Matrox g200/g400" tristate "Matrox g200/g400"
depends on DRM && PCI depends on DRM && PCI

4
drivers/gpu/drm/i915/i915_drv.c
View File

@ -122,10 +122,10 @@ int i915_enable_psr __read_mostly = 0;
module_param_named(enable_psr, i915_enable_psr, int, 0600); module_param_named(enable_psr, i915_enable_psr, int, 0600);
MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)"); MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
unsigned int i915_preliminary_hw_support __read_mostly = 0; unsigned int i915_preliminary_hw_support __read_mostly = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT);
module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600); module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600);
MODULE_PARM_DESC(preliminary_hw_support, MODULE_PARM_DESC(preliminary_hw_support,
"Enable preliminary hardware support. (default: false)"); "Enable preliminary hardware support.");
int i915_disable_power_well __read_mostly = 1; int i915_disable_power_well __read_mostly = 1;
module_param_named(disable_power_well, i915_disable_power_well, int, 0600); module_param_named(disable_power_well, i915_disable_power_well, int, 0600);