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authorMario Limonciello (AMD) <superm1@kernel.org>2025-08-11 20:00:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-11-24 12:29:38 +0300
commiteeb8ea76c912a2315bed10ef524f2bff64e15afc (patch)
tree67653556df263fc25b9b42322c0f662e64b2bbe9 /drivers/gpu/drm/amd/amdgpu
parent19618f480cda6a20f0849197a0e4478cb51871fd (diff)
downloadlinux-eeb8ea76c912a2315bed10ef524f2bff64e15afc.tar.xz
drm/amd: Avoid evicting resources at S5
[ Upstream commit 531df041f2a5296174abd8292d298eb62fe1ea97 ] Normally resources are evicted on dGPUs at suspend or hibernate and on APUs at hibernate. These steps are unnecessary when using the S4 callbacks to put the system into S5. Cc: AceLan Kao <acelan.kao@canonical.com> Cc: Kai-Heng Feng <kaihengf@nvidia.com> Cc: Mark Pearson <mpearson-lenovo@squebb.ca> Cc: Denis Benato <benato.denis96@gmail.com> Cc: Merthan Karakaş <m3rthn.k@gmail.com> Tested-by: Eric Naim <dnaim@cachyos.org> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 475d93d4a40b..b2a1dc193cb8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4113,6 +4113,10 @@ static int amdgpu_device_evict_resources(struct amdgpu_device *adev)
if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU))
return 0;
+ /* No need to evict when going to S5 through S4 callbacks */
+ if (system_state == SYSTEM_POWER_OFF)
+ return 0;
+
ret = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM);
if (ret)
DRM_WARN("evicting device resources failed\n");