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[AMD Official Use Only - General]<br>
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<div dir="auto"><span style="font-family:-apple-system, HelveticaNeue;font-size:14.6667px;display:inline !important">Reviewed-by: Asad Kamal <</span><a href="mailto:asad.kamal@amd.com" class="ms-outlook-linkify" style="font-family: -apple-system, HelveticaNeue; font-size: 14.6667px; color: rgb(0, 120, 212);">asad.kamal@amd.com</a><span style="font-family:-apple-system, HelveticaNeue;font-size:14.6667px;display:inline !important">></span><br>
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<div id="ms-outlook-mobile-signature" dir="auto">Thanks & Rega<span>rds</span></div>
<div id="ms-outlook-mobile-signature" dir="auto"><span>Asad</span></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Lijo Lazar <lijo.lazar@amd.com><br>
<b>Sent:</b> Friday, September 15, 2023 6:29:37 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Deucher, Alexander <Alexander.Deucher@amd.com>; Kamal, Asad <Asad.Kamal@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com><br>
<b>Subject:</b> [PATCH] drm/amd/pm: Round Q10 format values in SMU v13.0.6</font>
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<div class="PlainText">Instead of neglecting fractional part, round the Q10 format values in<br>
SMU v13.0.6 metrics table.<br>
<br>
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com><br>
---<br>
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  | 70 ++++++++++---------<br>
 1 file changed, 36 insertions(+), 34 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c<br>
index f9c1219f0c4f..11a6cd96c601 100644<br>
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c<br>
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c<br>
@@ -244,6 +244,8 @@ struct PPTable_t {<br>
 };<br>
 <br>
 #define SMUQ10_TO_UINT(x) ((x) >> 10)<br>
+#define SMUQ10_FRAC(x) ((x) & 0x3ff)<br>
+#define SMUQ10_ROUND(x) ((SMUQ10_TO_UINT(x)) + ((SMUQ10_FRAC(x)) >= 0x200))<br>
 <br>
 struct smu_v13_0_6_dpm_map {<br>
         enum smu_clk_type clk_type;<br>
@@ -389,25 +391,25 @@ static int smu_v13_0_6_setup_driver_pptable(struct smu_context *smu)<br>
                         return -ETIME;<br>
 <br>
                 pptable->MaxSocketPowerLimit =<br>
-                       SMUQ10_TO_UINT(metrics->MaxSocketPowerLimit);<br>
+                       SMUQ10_ROUND(metrics->MaxSocketPowerLimit);<br>
                 pptable->MaxGfxclkFrequency =<br>
-                       SMUQ10_TO_UINT(metrics->MaxGfxclkFrequency);<br>
+                       SMUQ10_ROUND(metrics->MaxGfxclkFrequency);<br>
                 pptable->MinGfxclkFrequency =<br>
-                       SMUQ10_TO_UINT(metrics->MinGfxclkFrequency);<br>
+                       SMUQ10_ROUND(metrics->MinGfxclkFrequency);<br>
 <br>
                 for (i = 0; i < 4; ++i) {<br>
                         pptable->FclkFrequencyTable[i] =<br>
-                               SMUQ10_TO_UINT(metrics->FclkFrequencyTable[i]);<br>
+                               SMUQ10_ROUND(metrics->FclkFrequencyTable[i]);<br>
                         pptable->UclkFrequencyTable[i] =<br>
-                               SMUQ10_TO_UINT(metrics->UclkFrequencyTable[i]);<br>
-                       pptable->SocclkFrequencyTable[i] = SMUQ10_TO_UINT(<br>
+                               SMUQ10_ROUND(metrics->UclkFrequencyTable[i]);<br>
+                       pptable->SocclkFrequencyTable[i] = SMUQ10_ROUND(<br>
                                 metrics->SocclkFrequencyTable[i]);<br>
                         pptable->VclkFrequencyTable[i] =<br>
-                               SMUQ10_TO_UINT(metrics->VclkFrequencyTable[i]);<br>
+                               SMUQ10_ROUND(metrics->VclkFrequencyTable[i]);<br>
                         pptable->DclkFrequencyTable[i] =<br>
-                               SMUQ10_TO_UINT(metrics->DclkFrequencyTable[i]);<br>
+                               SMUQ10_ROUND(metrics->DclkFrequencyTable[i]);<br>
                         pptable->LclkFrequencyTable[i] =<br>
-                               SMUQ10_TO_UINT(metrics->LclkFrequencyTable[i]);<br>
+                               SMUQ10_ROUND(metrics->LclkFrequencyTable[i]);<br>
                 }<br>
 <br>
                 /* use AID0 serial number by default */<br>
@@ -730,50 +732,50 @@ static int smu_v13_0_6_get_smu_metrics_data(struct smu_context *smu,<br>
                 smu_cmn_get_smc_version(smu, NULL, &smu_version);<br>
                 if (smu_version >= 0x552F00) {<br>
                         xcc_id = GET_INST(GC, 0);<br>
-                       *value = SMUQ10_TO_UINT(metrics->GfxclkFrequency[xcc_id]);<br>
+                       *value = SMUQ10_ROUND(metrics->GfxclkFrequency[xcc_id]);<br>
                 } else {<br>
                         *value = 0;<br>
                 }<br>
                 break;<br>
         case METRICS_CURR_SOCCLK:<br>
         case METRICS_AVERAGE_SOCCLK:<br>
-               *value = SMUQ10_TO_UINT(metrics->SocclkFrequency[0]);<br>
+               *value = SMUQ10_ROUND(metrics->SocclkFrequency[0]);<br>
                 break;<br>
         case METRICS_CURR_UCLK:<br>
         case METRICS_AVERAGE_UCLK:<br>
-               *value = SMUQ10_TO_UINT(metrics->UclkFrequency);<br>
+               *value = SMUQ10_ROUND(metrics->UclkFrequency);<br>
                 break;<br>
         case METRICS_CURR_VCLK:<br>
-               *value = SMUQ10_TO_UINT(metrics->VclkFrequency[0]);<br>
+               *value = SMUQ10_ROUND(metrics->VclkFrequency[0]);<br>
                 break;<br>
         case METRICS_CURR_DCLK:<br>
-               *value = SMUQ10_TO_UINT(metrics->DclkFrequency[0]);<br>
+               *value = SMUQ10_ROUND(metrics->DclkFrequency[0]);<br>
                 break;<br>
         case METRICS_CURR_FCLK:<br>
-               *value = SMUQ10_TO_UINT(metrics->FclkFrequency);<br>
+               *value = SMUQ10_ROUND(metrics->FclkFrequency);<br>
                 break;<br>
         case METRICS_AVERAGE_GFXACTIVITY:<br>
-               *value = SMUQ10_TO_UINT(metrics->SocketGfxBusy);<br>
+               *value = SMUQ10_ROUND(metrics->SocketGfxBusy);<br>
                 break;<br>
         case METRICS_AVERAGE_MEMACTIVITY:<br>
-               *value = SMUQ10_TO_UINT(metrics->DramBandwidthUtilization);<br>
+               *value = SMUQ10_ROUND(metrics->DramBandwidthUtilization);<br>
                 break;<br>
         case METRICS_CURR_SOCKETPOWER:<br>
-               *value = SMUQ10_TO_UINT(metrics->SocketPower) << 8;<br>
+               *value = SMUQ10_ROUND(metrics->SocketPower) << 8;<br>
                 break;<br>
         case METRICS_TEMPERATURE_HOTSPOT:<br>
-               *value = SMUQ10_TO_UINT(metrics->MaxSocketTemperature) *<br>
+               *value = SMUQ10_ROUND(metrics->MaxSocketTemperature) *<br>
                          SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;<br>
                 break;<br>
         case METRICS_TEMPERATURE_MEM:<br>
-               *value = SMUQ10_TO_UINT(metrics->MaxHbmTemperature) *<br>
+               *value = SMUQ10_ROUND(metrics->MaxHbmTemperature) *<br>
                          SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;<br>
                 break;<br>
         /* This is the max of all VRs and not just SOC VR.<br>
          * No need to define another data type for the same.<br>
          */<br>
         case METRICS_TEMPERATURE_VRSOC:<br>
-               *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature) *<br>
+               *value = SMUQ10_ROUND(metrics->MaxVrTemperature) *<br>
                          SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;<br>
                 break;<br>
         default:<br>
@@ -1996,33 +1998,33 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table<br>
         smu_cmn_init_soft_gpu_metrics(gpu_metrics, 1, 3);<br>
 <br>
         gpu_metrics->temperature_hotspot =<br>
-               SMUQ10_TO_UINT(metrics->MaxSocketTemperature);<br>
+               SMUQ10_ROUND(metrics->MaxSocketTemperature);<br>
         /* Individual HBM stack temperature is not reported */<br>
         gpu_metrics->temperature_mem =<br>
-               SMUQ10_TO_UINT(metrics->MaxHbmTemperature);<br>
+               SMUQ10_ROUND(metrics->MaxHbmTemperature);<br>
         /* Reports max temperature of all voltage rails */<br>
         gpu_metrics->temperature_vrsoc =<br>
-               SMUQ10_TO_UINT(metrics->MaxVrTemperature);<br>
+               SMUQ10_ROUND(metrics->MaxVrTemperature);<br>
 <br>
         gpu_metrics->average_gfx_activity =<br>
-               SMUQ10_TO_UINT(metrics->SocketGfxBusy);<br>
+               SMUQ10_ROUND(metrics->SocketGfxBusy);<br>
         gpu_metrics->average_umc_activity =<br>
-               SMUQ10_TO_UINT(metrics->DramBandwidthUtilization);<br>
+               SMUQ10_ROUND(metrics->DramBandwidthUtilization);<br>
 <br>
         gpu_metrics->average_socket_power =<br>
-               SMUQ10_TO_UINT(metrics->SocketPower);<br>
+               SMUQ10_ROUND(metrics->SocketPower);<br>
         /* Energy counter reported in 15.259uJ (2^-16) units */<br>
         gpu_metrics->energy_accumulator = metrics->SocketEnergyAcc;<br>
 <br>
         gpu_metrics->current_gfxclk =<br>
-               SMUQ10_TO_UINT(metrics->GfxclkFrequency[xcc0]);<br>
+               SMUQ10_ROUND(metrics->GfxclkFrequency[xcc0]);<br>
         gpu_metrics->current_socclk =<br>
-               SMUQ10_TO_UINT(metrics->SocclkFrequency[inst0]);<br>
-       gpu_metrics->current_uclk = SMUQ10_TO_UINT(metrics->UclkFrequency);<br>
+               SMUQ10_ROUND(metrics->SocclkFrequency[inst0]);<br>
+       gpu_metrics->current_uclk = SMUQ10_ROUND(metrics->UclkFrequency);<br>
         gpu_metrics->current_vclk0 =<br>
-               SMUQ10_TO_UINT(metrics->VclkFrequency[inst0]);<br>
+               SMUQ10_ROUND(metrics->VclkFrequency[inst0]);<br>
         gpu_metrics->current_dclk0 =<br>
-               SMUQ10_TO_UINT(metrics->DclkFrequency[inst0]);<br>
+               SMUQ10_ROUND(metrics->DclkFrequency[inst0]);<br>
 <br>
         gpu_metrics->average_gfxclk_frequency = gpu_metrics->current_gfxclk;<br>
         gpu_metrics->average_socclk_frequency = gpu_metrics->current_socclk;<br>
@@ -2047,9 +2049,9 @@ static ssize_t smu_v13_0_6_get_gpu_metrics(struct smu_context *smu, void **table<br>
         gpu_metrics->system_clock_counter = ktime_get_boottime_ns();<br>
 <br>
         gpu_metrics->gfx_activity_acc =<br>
-               SMUQ10_TO_UINT(metrics->SocketGfxBusyAcc);<br>
+               SMUQ10_ROUND(metrics->SocketGfxBusyAcc);<br>
         gpu_metrics->mem_activity_acc =<br>
-               SMUQ10_TO_UINT(metrics->DramBandwidthUtilizationAcc);<br>
+               SMUQ10_ROUND(metrics->DramBandwidthUtilizationAcc);<br>
 <br>
         gpu_metrics->firmware_timestamp = metrics->Timestamp;<br>
 <br>
-- <br>
2.25.1<br>
<br>
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