Re: [Intel-gfx] [PATCH v2] drm/i915/params: Align visibility of device level and global modparams

[Jani Nikula <jani.nikula@intel.com>]

On Wed, 26 May 2021, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>
> We have a few modparams which get conditionaly exposed based on a Kconfig
> options and in most cases this also means portions of the driver
> implementing the respective feature are also left out.
>
> Align the visibility of device level and global modparams to make them
> consistent in this respect.
>
> v2:
>  * Fix misplaced parentheses.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Jani Nikula <jani.nikula@intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula@intel.com>

I'd happily accept patches removing some of the module params, and just
leaving the debugfs device params in place. ;)

> ---
>  drivers/gpu/drm/i915/i915_params.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
> index 14cd64cc61d0..4a114a5ad000 100644
> --- a/drivers/gpu/drm/i915/i915_params.h
> +++ b/drivers/gpu/drm/i915/i915_params.h
> @@ -71,18 +71,18 @@ struct drm_printer;
>  	param(int, fastboot, -1, 0600) \
>  	param(int, enable_dpcd_backlight, -1, 0600) \
>  	param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \
> -	param(unsigned long, fake_lmem_start, 0, 0400) \
> -	param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, 0600) \
> +	param(unsigned long, fake_lmem_start, 0, IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM) ? 0400 : 0) \
> +	param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, CONFIG_DRM_I915_REQUEST_TIMEOUT ? 0600 : 0) \
>  	/* leave bools at the end to not create holes */ \
>  	param(bool, enable_hangcheck, true, 0600) \
>  	param(bool, load_detect_test, false, 0600) \
>  	param(bool, force_reset_modeset_test, false, 0600) \
> -	param(bool, error_capture, true, 0600) \
> +	param(bool, error_capture, true, IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) ? 0600 : 0) \
>  	param(bool, disable_display, false, 0400) \
>  	param(bool, verbose_state_checks, true, 0) \
>  	param(bool, nuclear_pageflip, false, 0400) \
>  	param(bool, enable_dp_mst, true, 0600) \
> -	param(bool, enable_gvt, false, 0400)
> +	param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0)
>  
>  #define MEMBER(T, member, ...) T member;
>  struct i915_params {

-- 
Jani Nikula, Intel Open Source Graphics Center
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