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drm/amd/powerplay: enable Arcturus runtime VCN dpm on/off

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Enable runtime VCN DPM on/off on Arcturus.

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>
This commit is contained in:
Evan Quan 2019-10-10 16:42:31 +08:00 committed by Alex Deucher
parent 372120f0a5
commit 5bcc92407c
2 changed files with 37 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
View File

@ -25,6 +25,7 @@
#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;
}

30
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
View File

@ -1898,6 +1898,35 @@ 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,
@ -1936,6 +1965,7 @@ 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)