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Commit 96b5b27b authored by Clarence Ip's avatar Clarence Ip
Browse files

drm/msm: add ability to flag properties as dirty 



This patch adds a new msm_property function to allow clients
to explicitly flag a property as being dirty. This is helpful
if certain properties need to be conditionally reevaluated
even if their values haven't changed.

CRs-Fixed: 2062083
Change-Id: Ic510c618587508f8602bfb03ad57a1047309e4f2
Signed-off-by: default avatarClarence Ip <cip@codeaurora.org>
parent 96854c2d

drivers/gpu/drm/msm/msm_prop.c

+12 −0
Original line number Diff line number Diff line
@@ -371,6 +371,18 @@ int msm_property_index(struct msm_property_info *info, 
	return rc;

}



int msm_property_set_dirty(struct msm_property_info *info, int property_idx)

{

	if (!info) {

		DRM_ERROR("invalid property info\n");

		return -EINVAL;

	}

	mutex_lock(&info->property_lock);

	_msm_property_set_dirty_no_lock(info, property_idx);

	mutex_unlock(&info->property_lock);

	return 0;

}



int msm_property_atomic_set(struct msm_property_info *info,

		uint64_t *property_values,

		struct drm_property_blob **property_blobs,

drivers/gpu/drm/msm/msm_prop.h

+9 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -265,6 +265,14 @@ int msm_property_install_get_status(struct msm_property_info *info); 
int msm_property_index(struct msm_property_info *info,

		struct drm_property *property);



/**

 * msm_property_set_dirty - forcibly flag a property as dirty

 * @info: Pointer to property info container struct

 * @property_idx: Property index

 * Returns: Zero on success

 */

int msm_property_set_dirty(struct msm_property_info *info, int property_idx);



/**

 * msm_property_atomic_set - helper function for atomic property set callback

 * @info: Pointer to property info container struct