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| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-01-27 18:40:14 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 09:55:40 -0400 |
| commit | 6e01882267a696b022cfe3473a0d3e5ccbe54010 (patch) | |
| tree | 697f93ac19553cab83aad584e9b430d027b8cfa5 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | 4d5275ab0b18d17697392aafd93e206e6b9de647 (diff) | |
| download | lwn-6e01882267a696b022cfe3473a0d3e5ccbe54010.tar.gz lwn-6e01882267a696b022cfe3473a0d3e5ccbe54010.zip | |
drm/amdgpu: Add API to get tmr info from acpi
In certain configs, TMR information is available from ACPI. Add API to
fetch the information.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 880bf9d67284..f4461bc8b1fd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1400,6 +1400,8 @@ int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, u8 dev_state, bool drv_state); int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state); int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev); +int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, u64 *tmr_offset, + u64 *tmr_size); void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps); bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev); @@ -1407,6 +1409,11 @@ void amdgpu_acpi_detect(void); void amdgpu_acpi_release(void); #else static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; } +static inline int amdgpu_acpi_get_tmr_info(struct amdgpu_device *adev, + u64 *tmr_offset, u64 *tmr_size) +{ + return -EINVAL; +} static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { } static inline bool amdgpu_acpi_should_gpu_reset(struct amdgpu_device *adev) { return false; } static inline void amdgpu_acpi_detect(void) { } |