From 2f25158d7db8a435a65f22ca194fc461cb26db82 Mon Sep 17 00:00:00 2001
From: Kevin Wang <Kevin1.Wang@amd.com>
Date: Wed, 26 Dec 2018 16:13:09 +0800
Subject: [PATCH] drm/amd/powerplay: implement feature get&set functions
add smu feature operation function helper to deal with smu feature
bitmap.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 37 +++++++++++++++++++
.../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 5 +++
2 files changed, 42 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index f9b254c8dad9d..aba3fb1a6bdbc 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -49,6 +49,43 @@ int smu_feature_init_dpm(struct smu_context *smu)
return ret;
}
+int smu_feature_is_enabled(struct smu_context *smu, int feature_id)
+{
+ struct smu_feature *feature = &smu->smu_feature;
+ WARN_ON(feature_id > feature->feature_num);
+ return test_bit(feature_id, feature->enabled);
+}
+
+int smu_feature_set_enabled(struct smu_context *smu, int feature_id, bool enable)
+{
+ struct smu_feature *feature = &smu->smu_feature;
+ WARN_ON(feature_id > feature->feature_num);
+ if (enable)
+ test_and_set_bit(feature_id, feature->enabled);
+ else
+ test_and_clear_bit(feature_id, feature->enabled);
+ return 0;
+}
+
+int smu_feature_is_supported(struct smu_context *smu, int feature_id)
+{
+ struct smu_feature *feature = &smu->smu_feature;
+ WARN_ON(feature_id > feature->feature_num);
+ return test_bit(feature_id, feature->supported);
+}
+
+int smu_feature_set_supported(struct smu_context *smu, int feature_id,
+ bool enable)
+{
+ struct smu_feature *feature = &smu->smu_feature;
+ WARN_ON(feature_id > feature->feature_num);
+ if (enable)
+ test_and_set_bit(feature_id, feature->supported);
+ else
+ test_and_clear_bit(feature_id, feature->supported);
+ return 0;
+}
+
static int smu_set_funcs(struct amdgpu_device *adev)
{
struct smu_context *smu = &adev->smu;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 740dae2d62217..dfabd73fedaf5 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -327,4 +327,9 @@ extern const struct amd_ip_funcs smu_ip_funcs;
extern const struct amdgpu_ip_block_version smu_v11_0_ip_block;
extern int smu_feature_init_dpm(struct smu_context *smu);
+extern int smu_feature_is_enabled(struct smu_context *smu, int feature_id);
+extern int smu_feature_set_enabled(struct smu_context *smu, int feature_id, bool enable);
+extern int smu_feature_is_supported(struct smu_context *smu, int feature_id);
+extern int smu_feature_set_supported(struct smu_context *smu, int feature_id, bool enable);
+
#endif
--
2.30.2