Enable runtime VCN DPM on/off on Arcturus.
Change-Id: Ie7d94d67cb4c622c96acced1b5ef0f4e63db5aad
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c | 7 +++++
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 30 ++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index 2608c932a775..d270df892223 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -25,6 +25,7 @@
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_vcn.h"
+#include "amdgpu_pm.h"
#include "soc15.h"
#include "soc15d.h"
#include "vcn_v2_0.h"
@@ -709,6 +710,9 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
uint32_t rb_bufsz, tmp;
int i, j, k, r;
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_uvd(adev, true);
+
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
@@ -939,6 +943,9 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
}
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_uvd(adev, false);
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index a00b60968909..6731fed5458e 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -1907,6 +1907,35 @@ static bool arcturus_is_dpm_running(struct smu_context *smu)
return !!(feature_enabled & SMC_DPM_FEATURE);
}
+static int arcturus_dpm_set_uvd_enable(struct smu_context *smu, bool enable)
+{
+ struct smu_power_context *smu_power = &smu->smu_power;
+ struct smu_power_gate *power_gate = &smu_power->power_gate;
+ int ret = 0;
+
+ if (enable) {
+ if (!smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) {
+ ret = smu_feature_set_enabled(smu, SMU_FEATURE_VCN_PG_BIT, 1);
+ if (ret) {
+ pr_err("[EnableVCNDPM] failed!\n");
+ return ret;
+ }
+ }
+ power_gate->vcn_gated = false;
+ } else {
+ if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) {
+ ret = smu_feature_set_enabled(smu, SMU_FEATURE_VCN_PG_BIT, 0);
+ if (ret) {
+ pr_err("[DisableVCNDPM] failed!\n");
+ return ret;
+ }
+ }
+ power_gate->vcn_gated = true;
+ }
+
+ return ret;
+}
+
static const struct pptable_funcs arcturus_ppt_funcs = {
/* translate smu index into arcturus specific index */
.get_smu_msg_index = arcturus_get_smu_msg_index,
@@ -1945,6 +1974,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.dump_pptable = arcturus_dump_pptable,
.get_power_limit = arcturus_get_power_limit,
.is_dpm_running = arcturus_is_dpm_running,
+ .dpm_set_uvd_enable = arcturus_dpm_set_uvd_enable,
};
void arcturus_set_ppt_funcs(struct smu_context *smu)
--
2.23.0
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