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drm/amd/pm: re-enable the gfx imu when smu resume

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commit f7f28f268b861c29dd18086bb636abedf0ff59ff upstream.

If the gfx imu is poweroff when suspend, then
it need to be re-enabled when resume.

Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tim Huang 2023-03-22 14:39:16 +08:00 committed by Greg Kroah-Hartman
parent d78777c1d4
commit f455c9cb9e
1 changed files with 28 additions and 12 deletions
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40
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@ -161,10 +161,15 @@ int smu_get_dpm_freq_range(struct smu_context *smu,
int smu_set_gfx_power_up_by_imu(struct smu_context *smu)
{
if (!smu->ppt_funcs || !smu->ppt_funcs->set_gfx_power_up_by_imu)
return -EOPNOTSUPP;
int ret = 0;
struct amdgpu_device *adev = smu->adev;
return smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
if (ret)
dev_err(adev->dev, "Failed to enable gfx imu!\n");
}
return ret;
}
static u32 smu_get_mclk(void *handle, bool low)
@ -195,6 +200,19 @@ static u32 smu_get_sclk(void *handle, bool low)
return clk_freq * 100;
}
static int smu_set_gfx_imu_enable(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
return 0;
if (amdgpu_in_reset(smu->adev) || adev->in_s0ix)
return 0;
return smu_set_gfx_power_up_by_imu(smu);
}
static int smu_dpm_set_vcn_enable(struct smu_context *smu,
bool enable)
{
@ -1386,15 +1404,9 @@ static int smu_hw_init(void *handle)
}
if (smu->is_apu) {
if ((smu->ppt_funcs->set_gfx_power_up_by_imu) &&
likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
if (ret) {
dev_err(adev->dev, "Failed to Enable gfx imu!\n");
return ret;
}
}
ret = smu_set_gfx_imu_enable(smu);
if (ret)
return ret;
smu_dpm_set_vcn_enable(smu, true);
smu_dpm_set_jpeg_enable(smu, true);
smu_set_gfx_cgpg(smu, true);
@ -1670,6 +1682,10 @@ static int smu_resume(void *handle)
return ret;
}
ret = smu_set_gfx_imu_enable(smu);
if (ret)
return ret;
smu_set_gfx_cgpg(smu, true);
smu->disable_uclk_switch = 0;