drm/radeon/dpm: add smc fan control for SI (v2)

Enable smc fan control for SI boards.  Should
reduce the fan noise on systems with a higher
default fan profile.

v2: disable by default, add rpm controls

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73338

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/si_dpm.h b/drivers/gpu/drm/radeon/si_dpm.h
index 8b5c06a0832d..d16bb1b5f10f 100644
--- a/drivers/gpu/drm/radeon/si_dpm.h
+++ b/drivers/gpu/drm/radeon/si_dpm.h
@@ -182,6 +182,7 @@ struct si_power_info {
         u32 dte_table_start;
         u32 spll_table_start;
         u32 papm_cfg_table_start;
+        u32 fan_table_start;
         /* CAC stuff */
         const struct si_cac_config_reg *cac_weights;
         const struct si_cac_config_reg *lcac_config;
@@ -197,6 +198,10 @@ struct si_power_info {
         /* SVI2 */
         u8 svd_gpio_id;
         u8 svc_gpio_id;
+        /* fan control */
+        bool fan_ctrl_is_in_default_mode;
+        u32 t_min;
+        u32 fan_ctrl_default_mode;
 };
 
 #define SISLANDS_INITIAL_STATE_ARB_INDEX    0