diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h')
| -rw-r--r-- | drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h b/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h index da865698133a..ef9bfd721618 100644 --- a/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h +++ b/drivers/gpu/arm/midgard/platform/vexpress/mali_kbase_cpu_vexpress.h @@ -1,6 +1,6 @@ /* * - * (C) COPYRIGHT 2012-2013, 2015-2016 ARM Limited. All rights reserved. + * (C) COPYRIGHT 2012-2013, 2015 ARM Limited. All rights reserved. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -26,13 +26,23 @@ int kbase_get_vexpress_cpu_clock_speed(u32 *cpu_clock); /** - * Get the minimum GPU frequency for the attached logic tile - */ -u32 kbase_get_platform_min_freq(void); - -/** - * Get the maximum GPU frequency for the attached logic tile + * kbase_get_platform_logic_tile_type - determines which LogicTile type + * is used by Versatile Express + * + * When platform_config build parameter is specified as vexpress, i.e., + * platform_config=vexpress, GPU frequency may vary dependent on the + * particular platform. The GPU frequency depends on the LogicTile type. + * + * This function is called by kbase_common_device_init to determine + * which LogicTile type is used by the platform by reading the HBI value + * of the daughterboard which holds the LogicTile: + * + * 0x192 HBI0192 Virtex-5 + * 0x217 HBI0217 Virtex-6 + * 0x247 HBI0247 Virtex-7 + * + * Return: HBI value of the logic tile daughterboard, zero if not accessible */ -u32 kbase_get_platform_max_freq(void); +u32 kbase_get_platform_logic_tile_type(void); #endif /* _KBASE_CPU_VEXPRESS_H_ */ |