From 86f8c599b09c916f9aad30563271440dbd79213a Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 3 Oct 2016 20:46:36 +0800 Subject: [PATCH] drm/amdgpu: when suspend, set boot state instand of disable dpm. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit fix pm-hibernate bug, when suspend/resume, dpm start failed. Signed-off-by: Rex Zhu Acked-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h | 2 ++ drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 17 +++++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index e5e0a9a1abaf..bd85e35998e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -404,6 +404,8 @@ struct amdgpu_dpm { enum amd_vce_level vce_level; enum amd_pm_state_type state; enum amd_pm_state_type user_state; + enum amd_pm_state_type last_state; + enum amd_pm_state_type last_user_state; u32 platform_caps; u32 voltage_response_time; u32 backbias_response_time; diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 6ecfc4885b84..1c3b5c411ef7 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -6345,12 +6345,19 @@ static int ci_dpm_suspend(void *handle) if (adev->pm.dpm_enabled) { mutex_lock(&adev->pm.mutex); - /* disable dpm */ - ci_dpm_disable(adev); - /* reset the power state */ - adev->pm.dpm.current_ps = adev->pm.dpm.requested_ps = adev->pm.dpm.boot_ps; + amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq, + AMDGPU_THERMAL_IRQ_LOW_TO_HIGH); + amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq, + AMDGPU_THERMAL_IRQ_HIGH_TO_LOW); + adev->pm.dpm.last_user_state = adev->pm.dpm.user_state; + adev->pm.dpm.last_state = adev->pm.dpm.state; + adev->pm.dpm.user_state = POWER_STATE_TYPE_INTERNAL_BOOT; + adev->pm.dpm.state = POWER_STATE_TYPE_INTERNAL_BOOT; mutex_unlock(&adev->pm.mutex); + amdgpu_pm_compute_clocks(adev); + } + return 0; } @@ -6368,6 +6375,8 @@ static int ci_dpm_resume(void *handle) adev->pm.dpm_enabled = false; else adev->pm.dpm_enabled = true; + adev->pm.dpm.user_state = adev->pm.dpm.last_user_state; + adev->pm.dpm.state = adev->pm.dpm.last_state; mutex_unlock(&adev->pm.mutex); if (adev->pm.dpm_enabled) amdgpu_pm_compute_clocks(adev); -- 2.20.1