<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="blue" vlink="purple"> <div class="WordSection1"> Comment inline<o:p></o:p> <o:p> </o:p> <div style="border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt"> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Kevin(Yang) <Kevin1.Wang@amd.com> Sent: Friday, August 16, 2019 7:04 PM To: Quan, Evan <Evan.Quan@amd.com>; amd-gfx@lists.freedesktop.org Subject: Re: [PATCH] drm/amd/powerplay: correct SW smu11 thermal range settings<o:p></o:p> </div> </div> <o:p> </o:p> <div> Hi Evan,<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> the temperature min value should be 0, not -273 on smu11.<o:p></o:p> </div> <div> you can refrence window driver code or register spec.<o:p></o:p> </div> <div> output_ptr->operating_temperature_min_Limit = 0; output_ptr->operating_temperature_max_Limit = ppt_info->software_shutdown_temp;<o:p></o:p> [Quan, Evan] There was a discussion over the min value(0 or -273.15) and we decided to use the later considering the OD case.<o:p></o:p> All the existing and coming ASICs should follow this design.<o:p></o:p> </div> <div> and in smu11, the thermal control has a 8bit register to set min and max value, and the unit is temperature.<o:p></o:p> [Quan, Evan] That is still honored, no violation here.<o:p></o:p> </div> <div> so there is something wrong with this patch.<o:p></o:p> </div> <div> <div> <o:p> </o:p> </div> </div> <div> Best Regards, Kevin<o:p></o:p> </div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="2" width="98%" align="center"> </div> <div id="divRplyFwdMsg"> From: amd-gfx <<a href="mailto:amd-gfx-bounces@lists.freedesktop.org">amd-gfx-bounces@lists.freedesktop.org</a>> on behalf of Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>> Sent: Friday, August 16, 2019 5:31 PM To: <a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a> <<a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a>> Cc: Quan, Evan <<a href="mailto:Evan.Quan@amd.com">Evan.Quan@amd.com</a>> Subject: [PATCH] drm/amd/powerplay: correct SW smu11 thermal range settings <o:p></o:p> <div> <o:p></o:p> </div> </div> <div> <div> Problems with current settings: 1. The min value was overrided to 0 on Vega20 & Navi10. While the expected should be -273.15 C. 2. The thermal min/max threshold was output in wrong unit on Navi10 & Arcturus. As TEMP_RANGE_MIN/MAX is already in millicelsius. And "*1000" in smu_v11_0_start_thermal_control makes the output wrongly. Change-Id: I2f1866edd1baf264f521310343f492eaede26c33 Signed-off-by: Evan Quan <<a href="mailto:evan.quan@amd.com">evan.quan@amd.com</a>> --- drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 10 ---- drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h | 6 +++ drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 5 +- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 51 +++++++------------ drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 20 +++++--- 5 files changed, 38 insertions(+), 54 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 4060607fbb35..1a1f64a9e1e0 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -880,23 +880,14 @@ static int arcturus_force_clk_levels(struct smu_context *smu, return ret; } -static const struct smu_temperature_range arcturus_thermal_policy[] = -{ - {-273150, 99000, 99000, -273150, 99000, 99000, -273150, 99000, 99000}, - { 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000}, -}; - static int arcturus_get_thermal_temperature_range(struct smu_context *smu, struct smu_temperature_range *range) { - PPTable_t *pptable = smu->smu_table.driver_pptable; if (!range) return -EINVAL; - memcpy(range, &arcturus_thermal_policy[0], sizeof(struct smu_temperature_range)); - range->max = pptable->TedgeLimit * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; range->edge_emergency_max = (pptable->TedgeLimit + CTF_OFFSET_EDGE) * @@ -910,7 +901,6 @@ static int arcturus_get_thermal_temperature_range(struct smu_context *smu, range->mem_emergency_max = (pptable->TmemLimit + CTF_OFFSET_HBM)* SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h index 0a22fa48ff5a..59b2045e37e4 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h @@ -64,6 +64,12 @@ #define WORKLOAD_MAP(profile, workload) \ [profile] = {1, (workload)} +static const struct smu_temperature_range smu11_thermal_policy[] = +{ + {-273150, 99000, 99000, -273150, 99000, 99000, -273150, 99000, 99000}, + { 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000, 120000}, +}; + struct smu_11_0_cmn2aisc_mapping { int valid_mapping; int map_to; diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index d7d4186b762f..e804d18f61d0 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1505,9 +1505,8 @@ static int navi10_get_thermal_temperature_range(struct smu_context *smu, if (!range || !powerplay_table) return -EINVAL; - /* The unit is temperature */ - range->min = 0; - range->max = powerplay_table->software_shutdown_temp; + range->max = powerplay_table->software_shutdown_temp * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index df7b65360ac7..5f5fd3a88e48 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1125,23 +1125,17 @@ static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, } static int smu_v11_0_set_thermal_range(struct smu_context *smu, - struct smu_temperature_range *range) + struct smu_temperature_range range) { struct amdgpu_device *adev = smu->adev; int low = SMU_THERMAL_MINIMUM_ALERT_TEMP; int high = SMU_THERMAL_MAXIMUM_ALERT_TEMP; uint32_t val; - if (!range) - return -EINVAL; - - if (low < range->min) - low = range->min; - if (high > range->max) - high = range->max; - - low = max(SMU_THERMAL_MINIMUM_ALERT_TEMP, range->min); - high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP, range->max); + low = max(SMU_THERMAL_MINIMUM_ALERT_TEMP, + range.min / SMU_TEMPERATURE_UNITS_PER_CENTIGRADES); + high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP, + range.max / SMU_TEMPERATURE_UNITS_PER_CENTIGRADES); if (low > high) return -EINVAL; @@ -1177,27 +1171,20 @@ static int smu_v11_0_enable_thermal_alert(struct smu_context *smu) static int smu_v11_0_start_thermal_control(struct smu_context *smu) { int ret = 0; - struct smu_temperature_range range = { - TEMP_RANGE_MIN, - TEMP_RANGE_MAX, - TEMP_RANGE_MAX, - TEMP_RANGE_MIN, - TEMP_RANGE_MAX, - TEMP_RANGE_MAX, - TEMP_RANGE_MIN, - TEMP_RANGE_MAX, - TEMP_RANGE_MAX}; + struct smu_temperature_range range; struct amdgpu_device *adev = smu->adev; if (!smu->pm_enabled) return ret; + memcpy(&range, &smu11_thermal_policy[0], sizeof(struct smu_temperature_range)); + ret = smu_get_thermal_temperature_range(smu, &range); if (ret) return ret; if (smu->smu_table.thermal_controller_type) { - ret = smu_v11_0_set_thermal_range(smu, &range); + ret = smu_v11_0_set_thermal_range(smu, range); if (ret) return ret; @@ -1210,17 +1197,15 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) return ret; } - adev->pm.dpm.thermal.min_temp = range.min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_temp = range.max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_edge_emergency_temp = range.edge_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.min_hotspot_temp = range.hotspot_min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_hotspot_crit_temp = range.hotspot_crit_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_hotspot_emergency_temp = range.hotspot_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.min_mem_temp = range.mem_min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.min_temp = range.min * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; - adev->pm.dpm.thermal.max_temp = range.max * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + adev->pm.dpm.thermal.min_temp = range.min; + adev->pm.dpm.thermal.max_temp = range.max; + adev->pm.dpm.thermal.max_edge_emergency_temp = range.edge_emergency_max; + adev->pm.dpm.thermal.min_hotspot_temp = range.hotspot_min; + adev->pm.dpm.thermal.max_hotspot_crit_temp = range.hotspot_crit_max; + adev->pm.dpm.thermal.max_hotspot_emergency_temp = range.hotspot_emergency_max; + adev->pm.dpm.thermal.min_mem_temp = range.mem_min; + adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max; + adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max; return ret; } diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index acf075393c13..e14363182691 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -3113,14 +3113,18 @@ static int vega20_get_thermal_temperature_range(struct smu_context *smu, if (!range || !powerplay_table) return -EINVAL; - /* The unit is temperature */ - range->min = 0; - range->max = powerplay_table->usSoftwareShutdownTemp; - range->edge_emergency_max = (pptable->TedgeLimit + CTF_OFFSET_EDGE); - range->hotspot_crit_max = pptable->ThotspotLimit; - range->hotspot_emergency_max = (pptable->ThotspotLimit + CTF_OFFSET_HOTSPOT); - range->mem_crit_max = pptable->ThbmLimit; - range->mem_emergency_max = (pptable->ThbmLimit + CTF_OFFSET_HBM); + range->max = powerplay_table->usSoftwareShutdownTemp * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + range->edge_emergency_max = (pptable->TedgeLimit + CTF_OFFSET_EDGE) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + range->hotspot_crit_max = pptable->ThotspotLimit * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + range->hotspot_emergency_max = (pptable->ThotspotLimit + CTF_OFFSET_HOTSPOT) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + range->mem_crit_max = pptable->ThbmLimit * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + range->mem_emergency_max = (pptable->ThbmLimit + CTF_OFFSET_HBM) * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; return 0; -- 2.22.0 _______________________________________________ amd-gfx mailing list <a href="mailto:amd-gfx@lists.freedesktop.org">amd-gfx@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><o:p></o:p> </div> </div> </div> </div> </body> </html>