[PATCH 3/3] drm/amd/pp: Remove dead struct pp_gpu_power

Rex Zhu Rex.Zhu at amd.com
Wed Apr 4 08:25:04 UTC 2018


Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c            |  7 ++-----
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c             | 22 +++++++---------------
 drivers/gpu/drm/amd/include/kgd_pp_interface.h     |  7 -------
 drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c   | 14 ++++----------
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 17 +++++++----------
 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 13 ++++---------
 6 files changed, 24 insertions(+), 56 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 487d39e..1e59818 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -701,9 +701,6 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		}
 	}
 	case AMDGPU_INFO_SENSOR: {
-		struct pp_gpu_power query = {0};
-		int query_size = sizeof(query);
-
 		if (!adev->pm.dpm_enabled)
 			return -ENOENT;
 
@@ -746,10 +743,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 			/* get average GPU power */
 			if (amdgpu_dpm_read_sensor(adev,
 						   AMDGPU_PP_SENSOR_GPU_POWER,
-						   (void *)&query, &query_size)) {
+						   (void *)&ui32, &ui32_size)) {
 				return -EINVAL;
 			}
-			ui32 = query.average_gpu_power >> 8;
+			ui32 >>= 8;
 			break;
 		case AMDGPU_INFO_SENSOR_VDDNB:
 			/* get VDDNB in millivolts */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index e5f60fc..744f105 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1020,8 +1020,8 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	struct drm_device *ddev = adev->ddev;
-	struct pp_gpu_power query = {0};
-	int r, size = sizeof(query);
+	u32 query = 0;
+	int r, size = sizeof(u32);
 	unsigned uw;
 
 	/* Can't get power when the card is off */
@@ -1041,7 +1041,7 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
 		return r;
 
 	/* convert to microwatts */
-	uw = (query.average_gpu_power >> 8) * 1000000;
+	uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
 
 	return snprintf(buf, PAGE_SIZE, "%u\n", uw);
 }
@@ -1752,7 +1752,7 @@ void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
 static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *adev)
 {
 	uint32_t value;
-	struct pp_gpu_power query = {0};
+	uint32_t query = 0;
 	int size;
 
 	/* sanity check PP is enabled */
@@ -1775,17 +1775,9 @@ static int amdgpu_debugfs_pm_info_pp(struct seq_file *m, struct amdgpu_device *a
 		seq_printf(m, "\t%u mV (VDDGFX)\n", value);
 	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&value, &size))
 		seq_printf(m, "\t%u mV (VDDNB)\n", value);
-	size = sizeof(query);
-	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size)) {
-		seq_printf(m, "\t%u.%u W (VDDC)\n", query.vddc_power >> 8,
-				query.vddc_power & 0xff);
-		seq_printf(m, "\t%u.%u W (VDDCI)\n", query.vddci_power >> 8,
-				query.vddci_power & 0xff);
-		seq_printf(m, "\t%u.%u W (max GPU)\n", query.max_gpu_power >> 8,
-				query.max_gpu_power & 0xff);
-		seq_printf(m, "\t%u.%u W (average GPU)\n", query.average_gpu_power >> 8,
-				query.average_gpu_power & 0xff);
-	}
+	size = sizeof(uint32_t);
+	if (!amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&query, &size))
+		seq_printf(m, "\t%u.%u W (average GPU)\n", query >> 8, query & 0xff);
 	size = sizeof(value);
 	seq_printf(m, "\n");
 
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index 5c840c0..1bec907 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -149,13 +149,6 @@ struct pp_states_info {
 	uint32_t states[16];
 };
 
-struct pp_gpu_power {
-	uint32_t vddc_power;
-	uint32_t vddci_power;
-	uint32_t max_gpu_power;
-	uint32_t average_gpu_power;
-};
-
 #define PP_GROUP_MASK        0xF0000000
 #define PP_GROUP_SHIFT       28
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index c0ce672..81a50cf 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3360,17 +3360,14 @@ static int smu7_get_pp_table_entry(struct pp_hwmgr *hwmgr,
 	return 0;
 }
 
-static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
-		struct pp_gpu_power *query)
+static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query)
 {
 	if (!query)
 		return -EINVAL;
 
-	memset(query, 0, sizeof *query);
-
 	if (hwmgr->chip_id >= CHIP_POLARIS10) {
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr);
-		query->average_gpu_power = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+		*query = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
 	} else {
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart);
 		cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
@@ -3380,7 +3377,7 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
 
 		smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample);
 
-		query->average_gpu_power = cgs_read_ind_register(hwmgr->device,
+		*query = cgs_read_ind_register(hwmgr->device,
 							CGS_IND_REG__SMC,
 							ixSMU_PM_STATUS_94);
 	}
@@ -3436,10 +3433,7 @@ static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*size = 4;
 		return 0;
 	case AMDGPU_PP_SENSOR_GPU_POWER:
-		if (*size < sizeof(struct pp_gpu_power))
-			return -EINVAL;
-		*size = sizeof(struct pp_gpu_power);
-		return smu7_get_gpu_power(hwmgr, (struct pp_gpu_power *)value);
+		return smu7_get_gpu_power(hwmgr, (uint32_t *)value);
 	case AMDGPU_PP_SENSOR_VDDGFX:
 		if ((data->vr_config & 0xff) == 0x2)
 			val_vid = PHM_READ_INDIRECT_FIELD(hwmgr->device,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index ba29942..c2cf89f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3791,16 +3791,18 @@ static uint32_t vega10_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
 }
 
 static int vega10_get_gpu_power(struct pp_hwmgr *hwmgr,
-		struct pp_gpu_power *query)
+		uint32_t *query)
 {
 	uint32_t value;
 
+	if (!query)
+		return -EINVAL;
+
 	smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr);
 	value = smum_get_argument(hwmgr);
 
-	/* power value is an integer */
-	memset(query, 0, sizeof *query);
-	query->average_gpu_power = value << 8;
+	/* SMC returning actual watts, keep consistent with legacy asics, low 8 bit as 8 fractional bits */
+	*query = value << 8;
 
 	return 0;
 }
@@ -3854,12 +3856,7 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*size = 4;
 		break;
 	case AMDGPU_PP_SENSOR_GPU_POWER:
-		if (*size < sizeof(struct pp_gpu_power))
-			ret = -EINVAL;
-		else {
-			*size = sizeof(struct pp_gpu_power);
-			ret = vega10_get_gpu_power(hwmgr, (struct pp_gpu_power *)value);
-		}
+		ret = vega10_get_gpu_power(hwmgr, (uint32_t *)value);
 		break;
 	case AMDGPU_PP_SENSOR_VDDGFX:
 		reg = soc15_get_register_offset(SMUIO_HWID, 0,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 6a85238..2bd3fd7 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -1064,8 +1064,7 @@ static uint32_t vega12_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
 	return (mem_clk * 100);
 }
 
-static int vega12_get_gpu_power(struct pp_hwmgr *hwmgr,
-		struct pp_gpu_power *query)
+static int vega12_get_gpu_power(struct pp_hwmgr *hwmgr, uint32_t *query)
 {
 #if 0
 	uint32_t value;
@@ -1077,7 +1076,7 @@ static int vega12_get_gpu_power(struct pp_hwmgr *hwmgr,
 
 	vega12_read_arg_from_smc(hwmgr, &value);
 	/* power value is an integer */
-	query->average_gpu_power = value << 8;
+	*query = value << 8;
 #endif
 	return 0;
 }
@@ -1186,12 +1185,8 @@ static int vega12_read_sensor(struct pp_hwmgr *hwmgr, int idx,
 		*size = 4;
 		break;
 	case AMDGPU_PP_SENSOR_GPU_POWER:
-		if (*size < sizeof(struct pp_gpu_power))
-			ret = -EINVAL;
-		else {
-			*size = sizeof(struct pp_gpu_power);
-			ret = vega12_get_gpu_power(hwmgr, (struct pp_gpu_power *)value);
-		}
+		ret = vega12_get_gpu_power(hwmgr, (uint32_t *)value);
+
 		break;
 	default:
 		ret = -EINVAL;
-- 
1.9.1



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