<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> [AMD Official Use Only - Internal Distribution Only] <div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> </div> <div id="appendonsend"></div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr">From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Likun Gao <likun.gao@amd.com> Sent: Friday, December 11, 2020 4:01 AM To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Gao, Likun <Likun.Gao@amd.com>; Feng, Kenneth <Kenneth.Feng@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com> Subject: [V2] drm/amdgpu: add judgement for suspend/resume sequence <div> </div> </div> <div class="BodyFragment"> <div class="PlainText">From: Likun Gao <Likun.Gao@amd.com> S0ix only makes sense on APUs since they are part of the platform, so only when the ASIC is APU should set amdgpu_acpi_is_s0ix_supported flag to deal with the related situation. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Change-Id: Ic89df206734fa7e6ce3e5a784171f149a07edc80 --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 8 +++++--- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +++--- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 83ac06a3ec05..eed5410947e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1314,11 +1314,11 @@ int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev); void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev, struct amdgpu_dm_backlight_caps *caps); -bool amdgpu_acpi_is_s0ix_supported(void); +bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev); #else static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; } static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { } -static inline bool amdgpu_acpi_is_s0ix_supported(void) { return false; } +static inline bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) { return false; } #endif int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index fd66ac00c7f5..8155c54392c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -901,10 +901,12 @@ void amdgpu_acpi_fini(struct amdgpu_device *adev) * * returns true if supported, false if not. */ -bool amdgpu_acpi_is_s0ix_supported() +bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) { - if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) - return true; + if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { + if (adev->flags & AMD_IS_APU) + return true; + } return false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 52d6f1fbe890..66b790dfb151 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2651,7 +2651,7 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) { int i, r; - if (!amdgpu_acpi_is_s0ix_supported() || amdgpu_in_reset(adev)) { + if (!amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) { amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); } @@ -3712,7 +3712,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) amdgpu_fence_driver_suspend(adev); - if (!amdgpu_acpi_is_s0ix_supported() || amdgpu_in_reset(adev)) + if (!amdgpu_acpi_is_s0ix_supported(adev) || amdgpu_in_reset(adev)) r = amdgpu_device_ip_suspend_phase2(adev); else amdgpu_gfx_state_change_set(adev, sGpuChangeState_D3Entry); @@ -3747,7 +3747,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon) if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; - if (amdgpu_acpi_is_s0ix_supported()) + if (amdgpu_acpi_is_s0ix_supported(adev)) amdgpu_gfx_state_change_set(adev, sGpuChangeState_D0Entry); /* post card */ -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org <a href="https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7Cf91d4568bfcc442e773808d89db36073%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637432741044140311%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=sxM%2BF4tq7x73lRdc%2FftMGE8yrN%2BoBgs3syxFoK0q8Cc%3D&reserved=0">https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Calexander.deucher%40amd.com%7Cf91d4568bfcc442e773808d89db36073%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637432741044140311%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=sxM%2BF4tq7x73lRdc%2FftMGE8yrN%2BoBgs3syxFoK0q8Cc%3D&reserved=0</a> </div> </div> </div> </body> </html>