1 /* 2 * 3 * (C) COPYRIGHT 2012-2017 ARM Limited. All rights reserved. 4 * 5 * This program is free software and is provided to you under the terms of the 6 * GNU General Public License version 2 as published by the Free Software 7 * Foundation, and any use by you of this program is subject to the terms 8 * of such GNU licence. 9 * 10 * A copy of the licence is included with the program, and can also be obtained 11 * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 12 * Boston, MA 02110-1301, USA. 13 * 14 */ 15 16 17 18 19 20 /** 21 * @file 22 * Run-time work-arounds helpers 23 */ 24 25 #ifndef _KBASE_HW_H_ 26 #define _KBASE_HW_H_ 27 28 #include "mali_kbase_defs.h" 29 30 /** 31 * @brief Tell whether a work-around should be enabled 32 */ 33 #define kbase_hw_has_issue(kbdev, issue)\ 34 test_bit(issue, &(kbdev)->hw_issues_mask[0]) 35 36 /** 37 * @brief Tell whether a feature is supported 38 */ 39 #define kbase_hw_has_feature(kbdev, feature)\ 40 test_bit(feature, &(kbdev)->hw_features_mask[0]) 41 42 /** 43 * kbase_hw_set_issues_mask - Set the hardware issues mask based on the GPU ID 44 * @kbdev: Device pointer 45 * 46 * Return: 0 if the GPU ID was recognized, otherwise -EINVAL. 47 * 48 * The GPU ID is read from the @kbdev. 49 * 50 * In debugging versions of the driver, unknown versions of a known GPU with a 51 * new-format ID will be treated as the most recent known version not later 52 * than the actual version. In such circumstances, the GPU ID in @kbdev will 53 * also be replaced with the most recent known version. 54 * 55 * Note: The GPU configuration must have been read by 56 * kbase_gpuprops_get_props() before calling this function. 57 */ 58 int kbase_hw_set_issues_mask(struct kbase_device *kbdev); 59 60 /** 61 * @brief Set the features mask depending on the GPU ID 62 */ 63 void kbase_hw_set_features_mask(struct kbase_device *kbdev); 64 65 #endif /* _KBASE_HW_H_ */ 66