[PATCH 5/5] drm/amd/powerplay: correct UVD/VCE/VCN power status retrieval

Feng, Kenneth Kenneth.Feng at amd.com
Mon Jul 22 04:29:03 UTC 2019


Reviewed-by: Kenneth Feng <kenneth.feng at amd.com>


-----Original Message-----
From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of Evan Quan
Sent: Monday, July 22, 2019 11:16 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Quan, Evan <Evan.Quan at amd.com>
Subject: [PATCH 5/5] drm/amd/powerplay: correct UVD/VCE/VCN power status retrieval

[CAUTION: External Email]

VCN should be used for Vega20 later ASICs while UVD and VCE are for previous ASICs.

Change-Id: Icc53d6fa176c48f0fc5348e79b8a5010357867eb
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 56 +++++++++++++++++---------
 1 file changed, 36 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 8f702cf5e080..f2b70db347a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -3065,28 +3065,44 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a
        if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK, (void *)&value64, &size))
                seq_printf(m, "SMC Feature Mask: 0x%016llx\n", value64);

-       /* UVD clocks */
-       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
-               if (!value) {
-                       seq_printf(m, "UVD: Disabled\n");
-               } else {
-                       seq_printf(m, "UVD: Enabled\n");
-                       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
-                               seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
-                       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
-                               seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
+       if (adev->asic_type > CHIP_VEGA20) {
+               /* VCN clocks */
+               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCN_POWER, (void *)&value, &size)) {
+                       if (!value) {
+                               seq_printf(m, "VCN: Disabled\n");
+                       } else {
+                               seq_printf(m, "VCN: Enabled\n");
+                               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
+                                       seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
+                               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
+                                       seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
+                       }
                }
-       }
-       seq_printf(m, "\n");
+               seq_printf(m, "\n");
+       } else {
+               /* UVD clocks */
+               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_POWER, (void *)&value, &size)) {
+                       if (!value) {
+                               seq_printf(m, "UVD: Disabled\n");
+                       } else {
+                               seq_printf(m, "UVD: Enabled\n");
+                               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_DCLK, (void *)&value, &size))
+                                       seq_printf(m, "\t%u MHz (DCLK)\n", value/100);
+                               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_UVD_VCLK, (void *)&value, &size))
+                                       seq_printf(m, "\t%u MHz (VCLK)\n", value/100);
+                       }
+               }
+               seq_printf(m, "\n");

-       /* VCE clocks */
-       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
-               if (!value) {
-                       seq_printf(m, "VCE: Disabled\n");
-               } else {
-                       seq_printf(m, "VCE: Enabled\n");
-                       if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
-                               seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
+               /* VCE clocks */
+               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_POWER, (void *)&value, &size)) {
+                       if (!value) {
+                               seq_printf(m, "VCE: Disabled\n");
+                       } else {
+                               seq_printf(m, "VCE: Enabled\n");
+                               if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VCE_ECCLK, (void *)&value, &size))
+                                       seq_printf(m, "\t%u MHz (ECCLK)\n", value/100);
+                       }
                }
        }

--
2.22.0

_______________________________________________
amd-gfx mailing list
amd-gfx at lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx


More information about the amd-gfx mailing list