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From e1a4c575f55bd3eccc3d1a079b47fe553008e0fd Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Fri, 11 Oct 2019 13:48:24 -0400
Subject: [PATCH 4278/4736] drm/amd/powerplay: Add interface for I2C
transactions to SMU.
Will be used by Arcturus support for RAS page retirement.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 402a021f237b..8120e7587585 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -393,6 +393,8 @@ struct smu_context
};
+struct i2c_adapter;
+
struct pptable_funcs {
int (*alloc_dpm_context)(struct smu_context *smu);
int (*store_powerplay_table)(struct smu_context *smu);
@@ -469,6 +471,8 @@ struct pptable_funcs {
uint32_t dpm_level, uint32_t *freq);
int (*set_df_cstate)(struct smu_context *smu, enum pp_df_cstate state);
int (*update_pcie_parameters)(struct smu_context *smu, uint32_t pcie_gen_cap, uint32_t pcie_width_cap);
+ int (*i2c_eeprom_init)(struct i2c_adapter *control);
+ void (*i2c_eeprom_fini)(struct i2c_adapter *control);
int (*get_dpm_clock_table)(struct smu_context *smu, struct dpm_clocks *clock_table);
int (*init_microcode)(struct smu_context *smu);
int (*load_microcode)(struct smu_context *smu);
@@ -552,6 +556,11 @@ int smu_check_fw_status(struct smu_context *smu);
int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
+#define smu_i2c_eeprom_init(smu, control) \
+ ((smu)->ppt_funcs->i2c_eeprom_init ? (smu)->ppt_funcs->i2c_eeprom_init((control)) : -EINVAL)
+#define smu_i2c_eeprom_fini(smu, control) \
+ ((smu)->ppt_funcs->i2c_eeprom_fini ? (smu)->ppt_funcs->i2c_eeprom_fini((control)) : -EINVAL)
+
int smu_set_fan_speed_rpm(struct smu_context *smu, uint32_t speed);
int smu_get_power_limit(struct smu_context *smu,
--
2.17.1
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