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path: root/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 7ef202761998..fa636cb462c1 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -1528,6 +1528,21 @@ static int pp_asic_reset_mode_2(void *handle)
return ret;
}
+static int pp_smu_i2c_bus_access(void *handle, bool acquire)
+{
+ struct pp_hwmgr *hwmgr = handle;
+
+ if (!hwmgr || !hwmgr->pm_en)
+ return -EINVAL;
+
+ if (hwmgr->hwmgr_func->smu_i2c_bus_access == NULL) {
+ pr_info_ratelimited("%s was not implemented.\n", __func__);
+ return -EINVAL;
+ }
+
+ return hwmgr->hwmgr_func->smu_i2c_bus_access(hwmgr, acquire);
+}
+
static const struct amd_pm_funcs pp_dpm_funcs = {
.load_firmware = pp_dpm_load_fw,
.wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
@@ -1585,4 +1600,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = {
.get_ppfeature_status = pp_get_ppfeature_status,
.set_ppfeature_status = pp_set_ppfeature_status,
.asic_reset_mode_2 = pp_asic_reset_mode_2,
+ .smu_i2c_bus_access = pp_smu_i2c_bus_access,
};