drm/amd/pm: Add common throttler translation func

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

Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
index babbc5ea29bd68b1af03a14721ef0d72f5daa478..c216d64a1ba499690d33e69120a00bef4d2a46e1 100644 (file)
--- 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 da6ff6f024f91bf53c6a1a5d292793ed46cf1fb5..c57ce2b2cdc64ecc66a03191c4e542957ccb0be7 100644 (file)
--- 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);