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[AMD Public Use]<br>
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Reviewed-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> Quan, Evan <Evan.Quan@amd.com><br>
<b>Sent:</b> Thursday, December 10, 2020 3:44 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Deucher, Alexander <Alexander.Deucher@amd.com>; Quan, Evan <Evan.Quan@amd.com><br>
<b>Subject:</b> [PATCH] drm/amd/pm: add deep sleep control for uclk and fclk</font>
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<div class="PlainText">These are supported by Sienna Cichlid and should be<br>
taken into consideration during DS control.<br>
<br>
Change-Id: I93ed67ae863a91b75d6dfecd87e74029ffafd302<br>
Signed-off-by: Evan Quan <evan.quan@amd.com><br>
---<br>
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 16 ++++++++++++++++<br>
1 file changed, 16 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c<br>
index 45ecd0386e9f..0372cb83cdd9 100644<br>
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c<br>
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c<br>
@@ -2087,6 +2087,22 @@ int smu_v11_0_deep_sleep_control(struct smu_context *smu,<br>
}<br>
}<br>
<br>
+ if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_UCLK_BIT)) {<br>
+ ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_UCLK_BIT, enablement);<br>
+ if (ret) {<br>
+ dev_err(adev->dev, "Failed to %s UCLK DS!\n", enablement ? "enable" : "disable");<br>
+ return ret;<br>
+ }<br>
+ }<br>
+<br>
+ if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_FCLK_BIT)) {<br>
+ ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_FCLK_BIT, enablement);<br>
+ if (ret) {<br>
+ dev_err(adev->dev, "Failed to %s FCLK DS!\n", enablement ? "enable" : "disable");<br>
+ return ret;<br>
+ }<br>
+ }<br>
+<br>
if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_DS_SOCCLK_BIT)) {<br>
ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_DS_SOCCLK_BIT, enablement);<br>
if (ret) {<br>
-- <br>
2.29.0<br>
<br>
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