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Message-Id: <20191104212150.477728899@linuxfoundation.org>
Date:   Mon,  4 Nov 2019 22:45:30 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pelle van Gils <pelle@...gils.xyz>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.3 140/163] drm/amdgpu/powerplay/vega10: allow undervolting in p7

From: Pelle van Gils <pelle@...gils.xyz>

commit e6f4e274c1e52d1f0bfe293fb44ddf59de6c0374 upstream.

The vega10_odn_update_soc_table() function does not allow the SCLK
dependent voltage to be set for power-state 7 to a value below the default
in pptable. Change the for-loop condition to allow undervolting in the
highest state.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=205277
Signed-off-by: Pelle van Gils <pelle@...gils.xyz>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -5097,9 +5097,7 @@ static void vega10_odn_update_soc_table(
 
 	if (type == PP_OD_EDIT_SCLK_VDDC_TABLE) {
 		podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_sclk;
-		for (i = 0; i < podn_vdd_dep->count - 1; i++)
-			od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc;
-		if (od_vddc_lookup_table->entries[i].us_vdd < podn_vdd_dep->entries[i].vddc)
+		for (i = 0; i < podn_vdd_dep->count; i++)
 			od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc;
 	} else if (type == PP_OD_EDIT_MCLK_VDDC_TABLE) {
 		podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_mclk;


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