* [PATCH 1/2] drm/amdgpu/powerplay/smu10: add support for gpu busy query (v2)
@ 2021-03-10 17:11 Alex Deucher
2021-03-10 17:11 ` [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails Alex Deucher
0 siblings, 1 reply; 3+ messages in thread
From: Alex Deucher @ 2021-03-10 17:11 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
Was added in newer versions of the firmware. Add support
for it.
v2: return an error in SMU error, drop needless break.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/pm/inc/rv_ppsmc.h | 1 +
.../drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c | 28 ++++++++++++++++++-
2 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/inc/rv_ppsmc.h b/drivers/gpu/drm/amd/pm/inc/rv_ppsmc.h
index 4c7e08ba5fa4..171f12b82716 100644
--- a/drivers/gpu/drm/amd/pm/inc/rv_ppsmc.h
+++ b/drivers/gpu/drm/amd/pm/inc/rv_ppsmc.h
@@ -84,6 +84,7 @@
#define PPSMC_MSG_PowerGateMmHub 0x35
#define PPSMC_MSG_SetRccPfcPmeRestoreRegister 0x36
#define PPSMC_MSG_GpuChangeState 0x37
+#define PPSMC_MSG_GetGfxBusy 0x3D
#define PPSMC_Message_Count 0x42
typedef uint16_t PPSMC_Result;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
index c932b632ddd4..f5d59fa3a030 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
@@ -1261,9 +1261,21 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
void *value, int *size)
{
struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend);
- uint32_t sclk, mclk;
+ struct amdgpu_device *adev = hwmgr->adev;
+ uint32_t sclk, mclk, activity_percent;
+ bool has_gfx_busy;
int ret = 0;
+ /* GetGfxBusy support was added on RV SMU FW 30.85.00 and PCO 4.30.59 */
+ if ((adev->apu_flags & AMD_APU_IS_PICASSO) &&
+ (hwmgr->smu_version >= 0x41e3b))
+ has_gfx_busy = true;
+ else if ((adev->apu_flags & AMD_APU_IS_RAVEN) &&
+ (hwmgr->smu_version >= 0x1e5500))
+ has_gfx_busy = true;
+ else
+ has_gfx_busy = false;
+
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &sclk);
@@ -1284,6 +1296,20 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
*(uint32_t *)value = smu10_data->vcn_power_gated ? 0 : 1;
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GPU_LOAD:
+ if (has_gfx_busy) {
+ ret = smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetGfxBusy,
+ &activity_percent);
+ if (!ret)
+ activity_percent = activity_percent > 100 ? 100 : activity_percent;
+ else
+ return -EIO;
+ *((uint32_t *)value) = activity_percent;
+ return 0;
+ } else {
+ return -EOPNOTSUPP;
+ }
default:
ret = -EOPNOTSUPP;
break;
--
2.29.2
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails
2021-03-10 17:11 [PATCH 1/2] drm/amdgpu/powerplay/smu10: add support for gpu busy query (v2) Alex Deucher
@ 2021-03-10 17:11 ` Alex Deucher
2021-03-11 1:44 ` Quan, Evan
0 siblings, 1 reply; 3+ messages in thread
From: Alex Deucher @ 2021-03-10 17:11 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
For consistency with SMU10.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
index 2cef9c0c6d6f..e64c6ff75b44 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
@@ -1791,7 +1791,7 @@ static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
if (0 == result) {
activity_percent = activity_percent > 100 ? 100 : activity_percent;
} else {
- activity_percent = 50;
+ return -EIO;
}
*((uint32_t *)value) = activity_percent;
return 0;
--
2.29.2
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* RE: [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails
2021-03-10 17:11 ` [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails Alex Deucher
@ 2021-03-11 1:44 ` Quan, Evan
0 siblings, 0 replies; 3+ messages in thread
From: Quan, Evan @ 2021-03-11 1:44 UTC (permalink / raw)
To: Deucher, Alexander, amd-gfx; +Cc: Deucher, Alexander
[AMD Public Use]
-----Original Message-----
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Thursday, March 11, 2021 1:12 AM
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>
Subject: [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails
For consistency with SMU10.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
index 2cef9c0c6d6f..e64c6ff75b44 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
@@ -1791,7 +1791,7 @@ static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
if (0 == result) {
activity_percent = activity_percent > 100 ? 100 : activity_percent;
} else {
- activity_percent = 50;
+ return -EIO;
}
[Quan, Evan] nitpick: you can drop the { } around if/else. Anyway the series is reviewed-by: Evan Quan <evan.quan@amd.com>
*((uint32_t *)value) = activity_percent;
return 0;
--
2.29.2
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2021-03-10 17:11 [PATCH 1/2] drm/amdgpu/powerplay/smu10: add support for gpu busy query (v2) Alex Deucher
2021-03-10 17:11 ` [PATCH 2/2] drm/amdgpu/smu8: return an error rather than 50% if busy query fails Alex Deucher
2021-03-11 1:44 ` Quan, Evan
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