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[Public]<br>
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Acked-by: Alex Deucher <alexander.deucher@amd.com><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Liang, Prike <Prike.Liang@amd.com><br>
<b>Sent:</b> Wednesday, December 8, 2021 8:51 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Deucher, Alexander <Alexander.Deucher@amd.com>; Huang, Ray <Ray.Huang@amd.com>; Limonciello, Mario <Mario.Limonciello@amd.com>; Liang, Prike <Prike.Liang@amd.com><br>
<b>Subject:</b> [PATCH] drm/amd/pm: skip gfx cgpg in the s0ix suspend-resume</font>
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<div class="PlainText">In the s0ix entry need retain gfx in the gfxoff state,we don't<br>
disable gfx cgpg in the suspend so there is also needn't enable<br>
gfx cgpg in the s0ix resume.<br>
<br>
Signed-off-by: Prike Liang <Prike.Liang@amd.com><br>
---<br>
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 3 ++-<br>
1 file changed, 2 insertions(+), 1 deletion(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c<br>
index 5839918..185269f 100644<br>
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c<br>
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c<br>
@@ -1607,7 +1607,8 @@ static int smu_resume(void *handle)<br>
return ret;<br>
}<br>
<br>
- if (smu->is_apu)<br>
+ /* skip gfx cgpg in the s0ix suspend-resume case*/<br>
+ if (smu->is_apu && !adev->in_s0ix)<br>
smu_set_gfx_cgpg(&adev->smu, true);<br>
<br>
smu->disable_uclk_switch = 0;<br>
-- <br>
2.7.4<br>
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