From 6d77dd9f75bc7fd6b984aeea48e4919523c2e3c9 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Tue, 16 Mar 2021 19:34:38 +0800 Subject: drm/amd/pm: Add function to wait for smu events v1: Add function to wait for specific event/states from PMFW v2: Add mutex lock, simplify sequence Signed-off-by: Lijo Lazar Reviewed-by: Feifei Xu Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/pm/inc') diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h index c823570ba7ef..65672bb46337 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h @@ -195,6 +195,11 @@ struct smu_user_dpm_profile { uint32_t clk_dependency; }; +enum smu_event_type { + + SMU_EVENT_RESET_COMPLETE = 0, +}; + #define SMU_TABLE_INIT(tables, table_id, s, a, d) \ do { \ tables[table_id].size = s; \ @@ -338,7 +343,6 @@ struct smu_power_context { struct smu_power_gate power_gate; }; - #define SMU_FEATURE_MAX (64) struct smu_feature { @@ -1167,6 +1171,12 @@ struct pptable_funcs { * @set_light_sbr: Set light sbr mode for the SMU. */ int (*set_light_sbr)(struct smu_context *smu, bool enable); + + /** + * @wait_for_event: Wait for events from SMU. + */ + int (*wait_for_event)(struct smu_context *smu, + enum smu_event_type event, uint64_t event_arg); }; typedef enum { @@ -1283,5 +1293,8 @@ int smu_gfx_state_change_set(struct smu_context *smu, uint32_t state); int smu_set_light_sbr(struct smu_context *smu, bool enable); +int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event, + uint64_t event_arg); + #endif #endif -- cgit v1.2.3