drm/amd/pm: update the data type for retrieving enabled ppfeatures

Use uint64_t instead of an array of uint32_t. This can avoid
some non-necessary intermediate uint32_t -> uint64_t conversions.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -2341,7 +2341,7 @@ static int smu_read_sensor(void *handle,
 		*size = 4;
 		break;
 	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
-		ret = smu_feature_get_enabled_mask(smu, (uint32_t *)data, 2);
+		ret = smu_feature_get_enabled_mask(smu, (uint64_t *)data);
 		*size = 8;
 		break;
 	case AMDGPU_PP_SENSOR_UVD_POWER:

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

@@ -989,10 +989,9 @@ struct pptable_funcs {
 	/**
 	 * @get_enabled_mask: Get a mask of features that are currently enabled
 	 *                    on the SMU.
-	 * &feature_mask: Array representing enabled feature mask.
-	 * &num: Elements in &feature_mask.
+	 * &feature_mask: Enabled feature mask.
 	 */
-	int (*get_enabled_mask)(struct smu_context *smu, uint32_t *feature_mask, uint32_t num);
+	int (*get_enabled_mask)(struct smu_context *smu, uint64_t *feature_mask);
 
 	/**
 	 * @feature_is_enabled: Test if a feature is enabled.

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

@@ -2021,15 +2021,12 @@ static void arcturus_dump_pptable(struct smu_context *smu)
 static bool arcturus_is_dpm_running(struct smu_context *smu)
 {
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 	if (ret)
 		return false;
 
-	feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0];
-
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 

drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c

@@ -350,20 +350,16 @@ static bool cyan_skillfish_is_dpm_running(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
 	/* we need to re-init after suspend so return false */
 	if (adev->in_suspend)
 		return false;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 	if (ret)
 		return false;
 
-	feature_enabled = (uint64_t)feature_mask[0] |
-				((uint64_t)feature_mask[1] << 32);
-
 	/*
 	 * cyan_skillfish specific, query default sclk inseted of hard code.
 	 */

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

@@ -1639,15 +1639,12 @@ static int navi10_display_config_changed(struct smu_context *smu)
 static bool navi10_is_dpm_running(struct smu_context *smu)
 {
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 	if (ret)
 		return false;
 
-	feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0];
-
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

@@ -1297,15 +1297,12 @@ static int sienna_cichlid_display_config_changed(struct smu_context *smu)
 static bool sienna_cichlid_is_dpm_running(struct smu_context *smu)
 {
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 	if (ret)
 		return false;
 
-	feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0];
-
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 

drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c

@@ -799,7 +799,7 @@ int smu_v11_0_system_features_control(struct smu_context *smu,
 					     bool en)
 {
 	struct smu_feature *feature = &smu->smu_feature;
-	uint32_t feature_mask[2];
+	uint64_t feature_mask;
 	int ret = 0;
 
 	ret = smu_cmn_send_smc_msg(smu, (en ? SMU_MSG_EnableAllSmuFeatures :
@@ -811,7 +811,7 @@ int smu_v11_0_system_features_control(struct smu_context *smu,
 	bitmap_zero(feature->supported, feature->feature_num);
 
 	if (en) {
-		ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+		ret = smu_cmn_get_enabled_mask(smu, &feature_mask);
 		if (ret)
 			return ret;
 

drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c

@@ -500,21 +500,17 @@ static bool vangogh_is_dpm_running(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
 	/* we need to re-init after suspend so return false */
 	if (adev->in_suspend)
 		return false;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 
 	if (ret)
 		return false;
 
-	feature_enabled = (unsigned long)((uint64_t)feature_mask[0] |
-				((uint64_t)feature_mask[1] << 32));
-
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 
@@ -1952,7 +1948,7 @@ static int vangogh_system_features_control(struct smu_context *smu, bool en)
 {
 	struct amdgpu_device *adev = smu->adev;
 	struct smu_feature *feature = &smu->smu_feature;
-	uint32_t feature_mask[2];
+	uint64_t feature_mask;
 	int ret = 0;
 
 	if (adev->pm.fw_version >= 0x43f1700 && !en)
@@ -1965,7 +1961,7 @@ static int vangogh_system_features_control(struct smu_context *smu, bool en)
 	if (!en)
 		return ret;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_mask);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c

@@ -1450,14 +1450,11 @@ static int aldebaran_usr_edit_dpm_table(struct smu_context *smu, enum PP_OD_DPM_
 static bool aldebaran_is_dpm_running(struct smu_context *smu)
 {
 	int ret;
-	uint32_t feature_mask[2];
-	unsigned long feature_enabled;
+	uint64_t feature_enabled;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 	if (ret)
 		return false;
-	feature_enabled = (unsigned long)((uint64_t)feature_mask[0] |
-					  ((uint64_t)feature_mask[1] << 32));
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -765,7 +765,7 @@ int smu_v13_0_system_features_control(struct smu_context *smu,
 				      bool en)
 {
 	struct smu_feature *feature = &smu->smu_feature;
-	uint32_t feature_mask[2];
+	uint64_t feature_mask;
 	int ret = 0;
 
 	ret = smu_cmn_send_smc_msg(smu, (en ? SMU_MSG_EnableAllSmuFeatures :
@@ -777,7 +777,7 @@ int smu_v13_0_system_features_control(struct smu_context *smu,
 	bitmap_zero(feature->supported, feature->feature_num);
 
 	if (en) {
-		ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+		ret = smu_cmn_get_enabled_mask(smu, &feature_mask);
 		if (ret)
 			return ret;
 

drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c

@@ -197,7 +197,7 @@ static int yellow_carp_system_features_control(struct smu_context *smu, bool en)
 {
 	struct smu_feature *feature = &smu->smu_feature;
 	struct amdgpu_device *adev = smu->adev;
-	uint32_t feature_mask[2];
+	uint64_t feature_mask;
 	int ret = 0;
 
 	if (!en && !adev->in_s0ix)
@@ -209,7 +209,7 @@ static int yellow_carp_system_features_control(struct smu_context *smu, bool en)
 	if (!en)
 		return ret;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_mask);
 	if (ret)
 		return ret;
 
@@ -255,16 +255,13 @@ static int yellow_carp_dpm_set_jpeg_enable(struct smu_context *smu, bool enable)
 static bool yellow_carp_is_dpm_running(struct smu_context *smu)
 {
 	int ret = 0;
-	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
-	ret = smu_cmn_get_enabled_mask(smu, feature_mask, 2);
+	ret = smu_cmn_get_enabled_mask(smu, &feature_enabled);
 
 	if (ret)
 		return false;
 
-	feature_enabled = (uint64_t)feature_mask[1] << 32 | feature_mask[0];
-
 	return !!(feature_enabled & SMC_DPM_FEATURE);
 }
 

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

@@ -542,8 +542,7 @@ bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu,
 }
 
 int smu_cmn_get_enabled_mask(struct smu_context *smu,
-			     uint32_t *feature_mask,
-			     uint32_t num)
+			     uint64_t *feature_mask)
 {
 	struct smu_feature *feature = &smu->smu_feature;
 	struct amdgpu_device *adev = smu->adev;
@@ -551,7 +550,7 @@ int smu_cmn_get_enabled_mask(struct smu_context *smu,
 	uint32_t *feature_mask_low;
 	int ret = 0;
 
-	if (!feature_mask || num < 2)
+	if (!feature_mask)
 		return -EINVAL;
 
 	if (!bitmap_empty(feature->enabled, feature->feature_num)) {
@@ -561,8 +560,8 @@ int smu_cmn_get_enabled_mask(struct smu_context *smu,
 		return 0;
 	}
 
-	feature_mask_low = &feature_mask[0];
-	feature_mask_high = &feature_mask[1];
+	feature_mask_low = &((uint32_t *)feature_mask)[0];
+	feature_mask_high = &((uint32_t *)feature_mask)[1];
 
 	switch (adev->ip_versions[MP1_HWIP][0]) {
 	case IP_VERSION(11, 0, 8):
@@ -695,7 +694,7 @@ static const char *smu_get_feature_name(struct smu_context *smu,
 size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu,
 				   char *buf)
 {
-	uint32_t feature_mask[2] = { 0 };
+	uint64_t feature_mask;
 	int feature_index = 0;
 	uint32_t count = 0;
 	int8_t sort_feature[SMU_FEATURE_COUNT];
@@ -703,13 +702,12 @@ size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu,
 	int ret = 0, i;
 
 	ret = smu_cmn_get_enabled_mask(smu,
-				       feature_mask,
-				       2);
+				       &feature_mask);
 	if (ret)
 		return 0;
 
 	size =  sysfs_emit_at(buf, size, "features high: 0x%08x low: 0x%08x\n",
-			feature_mask[1], feature_mask[0]);
+			upper_32_bits(feature_mask), lower_32_bits(feature_mask));
 
 	memset(sort_feature, -1, sizeof(sort_feature));
 
@@ -745,22 +743,17 @@ int smu_cmn_set_pp_feature_mask(struct smu_context *smu,
 				uint64_t new_mask)
 {
 	int ret = 0;
-	uint32_t feature_mask[2] = { 0 };
+	uint64_t feature_mask;
 	uint64_t feature_2_enabled = 0;
 	uint64_t feature_2_disabled = 0;
-	uint64_t feature_enables = 0;
 
 	ret = smu_cmn_get_enabled_mask(smu,
-				       feature_mask,
-				       2);
+				       &feature_mask);
 	if (ret)
 		return ret;
 
-	feature_enables = ((uint64_t)feature_mask[1] << 32 |
-			   (uint64_t)feature_mask[0]);
-
-	feature_2_enabled  = ~feature_enables & new_mask;
-	feature_2_disabled = feature_enables & ~new_mask;
+	feature_2_enabled  = ~feature_mask & new_mask;
+	feature_2_disabled = feature_mask & ~new_mask;
 
 	if (feature_2_enabled) {
 		ret = smu_cmn_feature_update_enable_state(smu,

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h

@@ -58,8 +58,7 @@ bool smu_cmn_clk_dpm_is_enabled(struct smu_context *smu,
 				enum smu_clk_type clk_type);
 
 int smu_cmn_get_enabled_mask(struct smu_context *smu,
-			     uint32_t *feature_mask,
-			     uint32_t num);
+			     uint64_t *feature_mask);
 
 uint64_t smu_cmn_get_indep_throttler_status(
 					const unsigned long dep_status,

drivers/gpu/drm/amd/pm/swsmu/smu_internal.h

@@ -55,7 +55,7 @@
 #define smu_send_smc_msg(smu, msg, read_arg)				smu_ppt_funcs(send_smc_msg, 0, smu, msg, read_arg)
 #define smu_init_display_count(smu, count)				smu_ppt_funcs(init_display_count, 0, smu, count)
 #define smu_feature_set_allowed_mask(smu)				smu_ppt_funcs(set_allowed_mask, 0, smu)
-#define smu_feature_get_enabled_mask(smu, mask, num)			smu_ppt_funcs(get_enabled_mask, 0, smu, mask, num)
+#define smu_feature_get_enabled_mask(smu, mask)				smu_ppt_funcs(get_enabled_mask, 0, smu, mask)
 #define smu_feature_is_enabled(smu, mask)				smu_ppt_funcs(feature_is_enabled, 0, smu, mask)
 #define smu_disable_all_features_with_exception(smu, no_hw_disablement, mask)		smu_ppt_funcs(disable_all_features_with_exception, 0, smu, no_hw_disablement, mask)
 #define smu_is_dpm_running(smu)						smu_ppt_funcs(is_dpm_running, 0 , smu)