[PATCH v6 3/9] drm/amd/pm: Add common throttler translation func

[Graham Sider]

Defines smu_cmn_get_indep_throttler_status which performs ASIC
independent translation given a corresponding lookup table.

Signed-off-by: Graham Sider <Graham.Sider at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 13 +++++++++++++
 drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index 01645537d9ab..269a42c0536a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
@@ -398,6 +398,19 @@ int smu_cmn_get_enabled_32_bits_mask(struct smu_context *smu,
 
 }
 
+uint64_t smu_cmn_get_indep_throttler_status(
+					const unsigned long dep_status,
+					const uint8_t *throttler_map)
+{
+	uint64_t indep_status = 0;
+	uint8_t dep_bit = 0;
+
+	for_each_set_bit(dep_bit, &dep_status, 32)
+		indep_status |= 1ULL << throttler_map[dep_bit];
+
+	return indep_status;
+}
+
 int smu_cmn_feature_update_enable_state(struct smu_context *smu,
 					uint64_t feature_mask,
 					bool enabled)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
index da6ff6f024f9..c57ce2b2cdc6 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
@@ -60,6 +60,10 @@ int smu_cmn_get_enabled_32_bits_mask(struct smu_context *smu,
 					uint32_t *feature_mask,
 					uint32_t num);
 
+uint64_t smu_cmn_get_indep_throttler_status(
+					const unsigned long dep_status,
+					const uint8_t *throttler_map);
+
 int smu_cmn_feature_update_enable_state(struct smu_context *smu,
 					uint64_t feature_mask,
 					bool enabled);
-- 
2.17.1