diff options
| author | Mullati, Siva <siva.mullati@intel.com> | 2021-10-23 00:57:56 +0530 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2021-10-27 00:32:01 -0700 |
| commit | f0e204e0d32159d783577a4041331fbe49e8beca (patch) | |
| tree | 3b75fa3550e4a3900c2a33d4766c99fdf4302441 /drivers/gpu/drm/i915/i915_iosf_mbi.h | |
| parent | fed98c16f13f4c68fc507384d3429516ef5c3b6d (diff) | |
drm/i915: abstraction for iosf to compile on all archs
The asm/iosf_mbi.h header is x86-only. Let's make IOSF_MBI kconfig
selection conditional to x86 and provide a header with stubs for other
architectures. This helps getting i915 available for other
architectures in future.
Signed-off-by: Mullati, Siva <siva.mullati@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211022192756.1228354-1-siva.mullati@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_iosf_mbi.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_iosf_mbi.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_iosf_mbi.h b/drivers/gpu/drm/i915/i915_iosf_mbi.h new file mode 100644 index 000000000000..8f81b7603d37 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_iosf_mbi.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef __I915_IOSF_MBI_H__ +#define __I915_IOSF_MBI_H__ + +#if IS_ENABLED(CONFIG_IOSF_MBI) +#include <asm/iosf_mbi.h> +#else + +/* Stubs to compile for all non-x86 archs */ +#define MBI_PMIC_BUS_ACCESS_BEGIN 1 +#define MBI_PMIC_BUS_ACCESS_END 2 + +struct notifier_block; + +static inline void iosf_mbi_punit_acquire(void) {} +static inline void iosf_mbi_punit_release(void) {} +static inline void iosf_mbi_assert_punit_acquired(void) {} + +static inline +int iosf_mbi_register_pmic_bus_access_notifier(struct notifier_block *nb) +{ + return 0; +} + +static inline int +iosf_mbi_unregister_pmic_bus_access_notifier_unlocked(struct notifier_block *nb) +{ + return 0; +} + +static inline +int iosf_mbi_unregister_pmic_bus_access_notifier(struct notifier_block *nb) +{ + return 0; +} +#endif + +#endif /* __I915_IOSF_MBI_H__ */ |