Re: [PATCH i-g-t v2 09/14] lib/igt_kms: Add igt_$obj_get_prop functions

[Mika Kahola <mika.kahola@intel.com>]

Reviewed-by: Mika Kahola <mika.kahola@intel.com>

On Thu, 2017-10-12 at 13:54 +0200, Maarten Lankhorst wrote:
> Some tests need to get the current kernel value for properties
> as part of the test. Add get_prop functions that will retrieve
> the current kernel value.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
>  lib/igt_kms.c | 81
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  lib/igt_kms.h | 24 ++++++++++++++++++
>  2 files changed, 105 insertions(+)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index 339c11843154..176e6825a492 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -2407,6 +2407,51 @@ static int igt_output_commit(igt_output_t
> *output,
>  	return 0;
>  }
>  
> +static uint64_t igt_mode_object_get_prop(igt_display_t *display,
> +					 uint32_t object_type,
> +					 uint32_t object_id,
> +					 uint32_t prop)
> +{
> +	drmModeObjectPropertiesPtr proplist;
> +	bool found = false;
> +	int i;
> +	uint64_t ret;
> +
> +	proplist = drmModeObjectGetProperties(display->drm_fd,
> object_id, object_type);
> +	for (i = 0; i < proplist->count_props; i++) {
> +		if (proplist->props[i] != prop)
> +			continue;
> +
> +		found = true;
> +		break;
> +	}
> +
> +	igt_assert(found);
> +
> +	ret = proplist->prop_values[i];
> +
> +	drmModeFreeObjectProperties(proplist);
> +	return ret;
> +}
> +
> +/**
> + * igt_plane_get_prop - Return current value on a plane for a given
> property.
> + *
> + * @plane: Target plane.
> + * @prop: Property to check.
> + *
> + * Returns: The value the property is set to, if this
> + * is a blob, the blob id is returned. This can be passed
> + * to drmModeGetPropertyBlob() to get the contents of the blob.
> + */
> +uint64_t igt_plane_get_prop(igt_plane_t *plane, enum
> igt_atomic_plane_properties prop)
> +{
> +	igt_assert(igt_plane_has_prop(plane, prop));
> +
> +	return igt_mode_object_get_prop(plane->pipe->display,
> DRM_MODE_OBJECT_PLANE,
> +					plane->drm_plane->plane_id,
> plane->props[prop]);
> +}
> +
>  /**
>   * igt_plane_replace_prop_blob:
>   * @plane: plane to set property on.
> @@ -2439,6 +2484,24 @@ igt_plane_replace_prop_blob(igt_plane_t
> *plane, enum igt_atomic_plane_properties
>  	igt_plane_set_prop_changed(plane, prop);
>  }
>  
> +/**
> + * igt_output_get_prop - Return current value on an output for a
> given property.
> + *
> + * @output: Target output.
> + * @prop: Property to return.
> + *
> + * Returns: The value the property is set to, if this
> + * is a blob, the blob id is returned. This can be passed
> + * to drmModeGetPropertyBlob() to get the contents of the blob.
> + */
> +uint64_t igt_output_get_prop(igt_output_t *output, enum
> igt_atomic_connector_properties prop)
> +{
> +	igt_assert(igt_output_has_prop(output, prop));
> +
> +	return igt_mode_object_get_prop(output->display,
> DRM_MODE_OBJECT_CONNECTOR,
> +					output->id, output-
> >props[prop]);
> +}
> +
>  /**
>   * igt_output_replace_prop_blob:
>   * @output: output to set property on.
> @@ -2471,6 +2534,24 @@ igt_output_replace_prop_blob(igt_output_t
> *output, enum igt_atomic_connector_pro
>  	igt_output_set_prop_changed(output, prop);
>  }
>  
> +/**
> + * igt_pipe_obj_get_prop - Return current value on a pipe for a
> given property.
> + *
> + * @pipe: Target pipe.
> + * @prop: Property to return.
> + *
> + * Returns: The value the property is set to, if this
> + * is a blob, the blob id is returned. This can be passed
> + * to drmModeGetPropertyBlob() to get the contents of the blob.
> + */
> +uint64_t igt_pipe_obj_get_prop(igt_pipe_t *pipe, enum
> igt_atomic_crtc_properties prop)
> +{
> +	igt_assert(igt_pipe_obj_has_prop(pipe, prop));
> +
> +	return igt_mode_object_get_prop(pipe->display,
> DRM_MODE_OBJECT_CRTC,
> +					pipe->crtc_id, pipe-
> >props[prop]);
> +}
> +
>  /**
>   * igt_pipe_obj_replace_prop_blob:
>   * @pipe: pipe to set property on.
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 916cd359519a..fda94cb640de 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -503,6 +503,8 @@ igt_plane_has_prop(igt_plane_t *plane, enum
> igt_atomic_plane_properties prop)
>  	return plane->props[prop];
>  }
>  
> +uint64_t igt_plane_get_prop(igt_plane_t *plane, enum
> igt_atomic_plane_properties prop);
> +
>  #define igt_plane_is_prop_changed(plane, prop) \
>  	(!!((plane)->changed & (1 << (prop))))
>  
> @@ -536,6 +538,8 @@ igt_output_has_prop(igt_output_t *output, enum
> igt_atomic_connector_properties p
>  	return output->props[prop];
>  }
>  
> +uint64_t igt_output_get_prop(igt_output_t *output, enum
> igt_atomic_connector_properties prop);
> +
>  #define igt_output_is_prop_changed(output, prop) \
>  	(!!((output)->changed & (1 << (prop))))
>  #define igt_output_set_prop_changed(output, prop) \
> @@ -568,6 +572,26 @@ igt_pipe_obj_has_prop(igt_pipe_t *pipe, enum
> igt_atomic_crtc_properties prop)
>  	return pipe->props[prop];
>  }
>  
> +uint64_t igt_pipe_obj_get_prop(igt_pipe_t *pipe, enum
> igt_atomic_crtc_properties prop);
> +
> +/**
> + * igt_pipe_get_prop - Return current value on a pipe for a given
> property.
> + *
> + * @display: Pointer to display.
> + * @pipe: Target pipe.
> + * @prop: Property to return.
> + *
> + * Returns: The value the property is set to, if this
> + * is a blob, the blob id is returned. This can be passed
> + * to drmModeGetPropertyBlob() to get the contents of the blob.
> + */
> +static inline uint64_t
> +igt_pipe_get_prop(igt_display_t *display, enum pipe pipe,
> +		  enum igt_atomic_crtc_properties prop)
> +{
> +	return igt_pipe_obj_get_prop(&display->pipes[pipe], prop);
> +}
> +
>  /**
>   * igt_pipe_has_prop - Check whether pipe supports a given property.
>   *
-- 
Mika Kahola - Intel OTC

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