From 4b1bd2bb6cbd46393e84812c01bad445f2226aa3 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 2 Sep 2019 12:37:23 +0800 Subject: [PATCH 3671/4256] drm/amd/powerplay: do proper cleanups on hw_fini These are needed for smu_reset support. Change-Id: If29ede4b99758adb08fd4e16665f44fd893ec99b Signed-off-by: Evan Quan Reviewed-by: Jack Gui --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 17 +++++++++++++++++ drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++ drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 10 ++++++++++ 3 files changed, 30 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 7c5ab9139d0e..e53ea7b9e8f9 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1278,6 +1278,11 @@ static int smu_hw_init(void *handle) return ret; } +static int smu_stop_dpms(struct smu_context *smu) +{ + return smu_send_smc_msg(smu, SMU_MSG_DisableAllSmuFeatures); +} + static int smu_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -1290,6 +1295,18 @@ static int smu_hw_fini(void *handle) smu_powergate_vcn(&adev->smu, true); } + ret = smu_stop_thermal_control(smu); + if (ret) { + pr_warn("Fail to stop thermal control!\n"); + return ret; + } + + ret = smu_stop_dpms(smu); + if (ret) { + pr_warn("Fail to stop Dpms!\n"); + return ret; + } + kfree(table_context->driver_pptable); table_context->driver_pptable = NULL; diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index e9b99355bd88..e1237ea8844c 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -497,6 +497,7 @@ struct smu_funcs int (*get_current_clk_freq)(struct smu_context *smu, enum smu_clk_type clk_id, uint32_t *value); int (*init_max_sustainable_clocks)(struct smu_context *smu); int (*start_thermal_control)(struct smu_context *smu); + int (*stop_thermal_control)(struct smu_context *smu); int (*read_sensor)(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size); int (*set_deep_sleep_dcefclk)(struct smu_context *smu, uint32_t clk); @@ -646,6 +647,8 @@ struct smu_funcs ((smu)->ppt_funcs->set_thermal_fan_table ? (smu)->ppt_funcs->set_thermal_fan_table((smu)) : 0) #define smu_start_thermal_control(smu) \ ((smu)->funcs->start_thermal_control? (smu)->funcs->start_thermal_control((smu)) : 0) +#define smu_stop_thermal_control(smu) \ + ((smu)->funcs->stop_thermal_control? (smu)->funcs->stop_thermal_control((smu)) : 0) #define smu_read_sensor(smu, sensor, data, size) \ ((smu)->ppt_funcs->read_sensor? (smu)->ppt_funcs->read_sensor((smu), (sensor), (data), (size)) : 0) #define smu_smc_read_sensor(smu, sensor, data, size) \ diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index e85f0c8c5dd7..022b5c8672a1 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1211,6 +1211,15 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) return ret; } +static int smu_v11_0_stop_thermal_control(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + + WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0); + + return 0; +} + static uint16_t convert_to_vddc(uint8_t vid) { return (uint16_t) ((6200 - (vid * 25)) / SMU11_VOLTAGE_SCALE); @@ -1785,6 +1794,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .get_current_clk_freq = smu_v11_0_get_current_clk_freq, .init_max_sustainable_clocks = smu_v11_0_init_max_sustainable_clocks, .start_thermal_control = smu_v11_0_start_thermal_control, + .stop_thermal_control = smu_v11_0_stop_thermal_control, .read_sensor = smu_v11_0_read_sensor, .set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk, .display_clock_voltage_request = smu_v11_0_display_clock_voltage_request, -- 2.17.1