Set up all the parameters required for SMU fan control if supported.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=201539
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
.../amd/pm/powerplay/hwmgr/processpptables.c | 103 +++++++++++++++++-
1 file changed, 102 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
index 48d550d26c6a..182118e3fd5f 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c
@@ -24,6 +24,8 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/pci.h>
+
#include <drm/amdgpu_drm.h>
#include "processpptables.h"
#include <atom-types.h>
@@ -980,6 +982,8 @@ static int init_thermal_controller(
struct pp_hwmgr *hwmgr,
const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table)
{
+ struct amdgpu_device *adev = hwmgr->adev;
+
hwmgr->thermal_controller.ucType =
powerplay_table->sThermalController.ucType;
hwmgr->thermal_controller.ucI2cLine =
@@ -1004,7 +1008,104 @@ static int init_thermal_controller(
ATOM_PP_THERMALCONTROLLER_NONE !=
hwmgr->thermal_controller.ucType,
PHM_PlatformCaps_ThermalController);
- hwmgr->thermal_controller.use_hw_fan_control = 1;
+ if (powerplay_table->usTableSize >=
sizeof(ATOM_PPLIB_POWERPLAYTABLE3)) {
+ const ATOM_PPLIB_POWERPLAYTABLE3 *powerplay_table3 =
+ (const ATOM_PPLIB_POWERPLAYTABLE3 *)powerplay_table;
+
+ if (0 == le16_to_cpu(powerplay_table3->usFanTableOffset)) {
+ hwmgr->thermal_controller.use_hw_fan_control = 1;
+ return 0;
+ } else {
+ const ATOM_PPLIB_FANTABLE *fan_table =
+ (const ATOM_PPLIB_FANTABLE *)(((unsigned
long)powerplay_table) +
+
le16_to_cpu(powerplay_table3->usFanTableOffset));
+
+ if (1 <= fan_table->ucFanTableFormat) {
+
hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst =
+ fan_table->ucTHyst;
+
hwmgr->thermal_controller.advanceFanControlParameters.usTMin =
+ le16_to_cpu(fan_table->usTMin);
+
hwmgr->thermal_controller.advanceFanControlParameters.usTMed =
+ le16_to_cpu(fan_table->usTMed);
+
hwmgr->thermal_controller.advanceFanControlParameters.usTHigh =
+ le16_to_cpu(fan_table->usTHigh);
+
hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin =
+ le16_to_cpu(fan_table->usPWMMin);
+
hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed =
+ le16_to_cpu(fan_table->usPWMMed);
+
hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh =
+ le16_to_cpu(fan_table->usPWMHigh);
+
hwmgr->thermal_controller.advanceFanControlParameters.usTMax = 10900;
+
hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay = 100000;
+
+
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+
PHM_PlatformCaps_MicrocodeFanControl);
+ }
+
+ if (2 <= fan_table->ucFanTableFormat) {
+ const ATOM_PPLIB_FANTABLE2 *fan_table2 =
+ (const ATOM_PPLIB_FANTABLE2
*)(((unsigned long)powerplay_table) +
+
le16_to_cpu(powerplay_table3->usFanTableOffset));
+
hwmgr->thermal_controller.advanceFanControlParameters.usTMax =
+ le16_to_cpu(fan_table2->usTMax);
+ }
+
+ if (3 <= fan_table->ucFanTableFormat) {
+ const ATOM_PPLIB_FANTABLE3 *fan_table3 =
+ (const ATOM_PPLIB_FANTABLE3 *)
(((unsigned long)powerplay_table) +
+
le16_to_cpu(powerplay_table3->usFanTableOffset));
+
+
hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode =
+ fan_table3->ucFanControlMode;
+
+ if ((3 == fan_table->ucFanTableFormat) &&
+ (0x67B1 == adev->pdev->device))
+
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM =
+ 47;
+ else
+
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM =
+
le16_to_cpu(fan_table3->usFanPWMMax);
+
+
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
=
+ 4836;
+
hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity =
+
le16_to_cpu(fan_table3->usFanOutputSensitivity);
+ }
+
+ if (6 <= fan_table->ucFanTableFormat) {
+ const ATOM_PPLIB_FANTABLE4 *fan_table4 =
+ (const ATOM_PPLIB_FANTABLE4
*)(((unsigned long)powerplay_table) +
+
le16_to_cpu(powerplay_table3->usFanTableOffset));
+
+
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+
PHM_PlatformCaps_FanSpeedInTableIsRPM);
+
+
hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM =
+ le16_to_cpu(fan_table4->usFanRPMMax);
+ }
+
+ if (7 <= fan_table->ucFanTableFormat) {
+ const ATOM_PPLIB_FANTABLE5 *fan_table5 =
+ (const ATOM_PPLIB_FANTABLE5
*)(((unsigned long)powerplay_table) +
+
le16_to_cpu(powerplay_table3->usFanTableOffset));
+
+ if (0x67A2 == adev->pdev->device ||
+ 0x67A9 == adev->pdev->device ||
+ 0x67B9 == adev->pdev->device) {
+
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+
PHM_PlatformCaps_GeminiRegulatorFanControlSupport);
+
hwmgr->thermal_controller.advanceFanControlParameters.usFanCurrentLow =
+
le16_to_cpu(fan_table5->usFanCurrentLow);
+
hwmgr->thermal_controller.advanceFanControlParameters.usFanCurrentHigh =
+
le16_to_cpu(fan_table5->usFanCurrentHigh);
+
hwmgr->thermal_controller.advanceFanControlParameters.usFanRPMLow =
+
le16_to_cpu(fan_table5->usFanRPMLow);
+
hwmgr->thermal_controller.advanceFanControlParameters.usFanRPMHigh =
+
le16_to_cpu(fan_table5->usFanRPMHigh);
+ }
+ }
+ }
+ }
return 0;
}
--
2.25.4
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