[PATCH v2] drm/amdgpu: fix build error without x86 kconfig (v2)

Deucher, Alexander Alexander.Deucher at amd.com
Mon Jan 18 15:50:20 UTC 2021


[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: Huang, Ray <Ray.Huang at amd.com>
Sent: Monday, January 18, 2021 7:32 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Huang, Ray <Ray.Huang at amd.com>; Stephen Rothwell <sfr at canb.auug.org.au>
Subject: [PATCH v2] drm/amdgpu: fix build error without x86 kconfig (v2)

This patch is to fix below build error while we are using the kconfig
without x86.

drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_get_smu_metrics_data':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:300:10:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
  300 |          boot_cpu_data.x86_max_cores * sizeof(uint16_t));
      |          ^~~~~~~~~~~~~
      |          boot_cpuid
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_read_sensor':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:1320:11:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
 1320 |   *size = boot_cpu_data.x86_max_cores * sizeof(uint16_t);
      |           ^~~~~~~~~~~~~
      |           boot_cpuid
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c: In function
'vangogh_od_edit_dpm_table':
drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/vangogh_ppt.c:1460:19:
error: 'boot_cpu_data' undeclared (first use in this function); did you
mean 'boot_cpuid'?
 1460 |   if (input[0] >= boot_cpu_data.x86_max_cores) {
      |                   ^~~~~~~~~~~~~
      |                   boot_cpuid

v2: fix #ifdef and add comment for APU only

Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
Signed-off-by: Huang Rui <ray.huang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/pm/amdgpu_pm.c              |  4 ++--
 drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h         |  2 ++
 .../gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c    | 17 ++++++++++++-----
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 80d6298912aa..e9b569b76716 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -3633,12 +3633,12 @@ static void amdgpu_debugfs_prints_cpu_info(struct seq_file *m,
         int i;

         if (is_support_cclk_dpm(adev)) {
-               p_val = kcalloc(boot_cpu_data.x86_max_cores, sizeof(uint16_t),
+               p_val = kcalloc(adev->smu.cpu_core_num, sizeof(uint16_t),
                                 GFP_KERNEL);

                 if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_CPU_CLK,
                                             (void *)p_val, &size)) {
-                       for (i = 0; i < boot_cpu_data.x86_max_cores; i++)
+                       for (i = 0; i < adev->smu.cpu_core_num; i++)
                                 seq_printf(m, "\t%u MHz (CPU%d)\n",
                                            *(p_val + i), i);
                 }
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
index 25ee9f51813b..a087e00382e6 100644
--- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
@@ -466,11 +466,13 @@ struct smu_context
         uint32_t gfx_actual_hard_min_freq;
         uint32_t gfx_actual_soft_max_freq;

+       /* APU only */
         uint32_t cpu_default_soft_min_freq;
         uint32_t cpu_default_soft_max_freq;
         uint32_t cpu_actual_soft_min_freq;
         uint32_t cpu_actual_soft_max_freq;
         uint32_t cpu_core_id_select;
+       uint16_t cpu_core_num;
 };

 struct i2c_adapter;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 2f0cb0ea243b..dc41abe7b1d3 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -297,7 +297,7 @@ static int vangogh_get_smu_metrics_data(struct smu_context *smu,
                 break;
         case METRICS_AVERAGE_CPUCLK:
                 memcpy(value, &metrics->CoreFrequency[0],
-                      boot_cpu_data.x86_max_cores * sizeof(uint16_t));
+                      smu->cpu_core_num * sizeof(uint16_t));
                 break;
         default:
                 *value = UINT_MAX;
@@ -335,6 +335,13 @@ static int vangogh_init_smc_tables(struct smu_context *smu)
         if (ret)
                 return ret;

+#ifdef CONFIG_X86
+       /* AMD x86 APU only */
+       smu->cpu_core_num = boot_cpu_data.x86_max_cores;
+#else
+       smu->cpu_core_num = 4;
+#endif
+
         return smu_v11_0_init_smc_tables(smu);
 }

@@ -1317,7 +1324,7 @@ static int vangogh_read_sensor(struct smu_context *smu,
                 ret = vangogh_get_smu_metrics_data(smu,
                                                    METRICS_AVERAGE_CPUCLK,
                                                    (uint32_t *)data);
-               *size = boot_cpu_data.x86_max_cores * sizeof(uint16_t);
+               *size = smu->cpu_core_num * sizeof(uint16_t);
                 break;
         default:
                 ret = -EOPNOTSUPP;
@@ -1457,9 +1464,9 @@ static int vangogh_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TAB
                         dev_err(smu->adev->dev, "Input parameter number not correct (should be 4 for processor)\n");
                         return -EINVAL;
                 }
-               if (input[0] >= boot_cpu_data.x86_max_cores) {
+               if (input[0] >= smu->cpu_core_num) {
                         dev_err(smu->adev->dev, "core index is overflow, should be less than %d\n",
-                               boot_cpu_data.x86_max_cores);
+                               smu->cpu_core_num);
                 }
                 smu->cpu_core_id_select = input[0];
                 if (input[1] == 0) {
@@ -1535,7 +1542,7 @@ static int vangogh_od_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_TAB
                                 break;
                         }

-                       for (i = 0; i < boot_cpu_data.x86_max_cores; i++) {
+                       for (i = 0; i < smu->cpu_core_num; i++) {
                                 ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinCclk,
                                                                       (i << 20) | smu->cpu_actual_soft_min_freq,
                                                                       NULL);
--
2.25.1

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