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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4278-drm-amd-powerplay-Add-interface-for-I2C-transactions.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4278-drm-amd-powerplay-Add-interface-for-I2C-transactions.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4278-drm-amd-powerplay-Add-interface-for-I2C-transactions.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4278-drm-amd-powerplay-Add-interface-for-I2C-transactions.patch
new file mode 100644
index 00000000..ba17c20f
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4278-drm-amd-powerplay-Add-interface-for-I2C-transactions.patch
@@ -0,0 +1,53 @@
+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
+