linux-kernel - [PATCH 4.4 09/51] drm/radeon/si/dpm: fix phase shedding setup

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Message-Id: <20161029134922.876559214@linuxfoundation.org>
Date:   Sat, 29 Oct 2016 09:49:10 -0400
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 4.4 09/51] drm/radeon/si/dpm: fix phase shedding setup

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@....com>

commit 427920292b00474d978d632bc03a8e4e50029af3 upstream.

Used the wrong index to setup the phase shedding mask.

Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/radeon/si_dpm.c       |    2 +-
 drivers/gpu/drm/radeon/sislands_smc.h |    1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -4112,7 +4112,7 @@ static int si_populate_smc_voltage_table
 							      &rdev->pm.dpm.dyn_state.phase_shedding_limits_table)) {
 				si_populate_smc_voltage_table(rdev, &si_pi->vddc_phase_shed_table, table);
 
-				table->phaseMaskTable.lowMask[SISLANDS_SMC_VOLTAGEMASK_VDDC] =
+				table->phaseMaskTable.lowMask[SISLANDS_SMC_VOLTAGEMASK_VDDC_PHASE_SHEDDING] =
 					cpu_to_be32(si_pi->vddc_phase_shed_table.mask_low);
 
 				si_write_smc_soft_register(rdev, SI_SMC_SOFT_REGISTER_phase_shedding_delay,
--- a/drivers/gpu/drm/radeon/sislands_smc.h
+++ b/drivers/gpu/drm/radeon/sislands_smc.h
@@ -194,6 +194,7 @@ typedef struct SISLANDS_SMC_SWSTATE SISL
 #define SISLANDS_SMC_VOLTAGEMASK_VDDC  0
 #define SISLANDS_SMC_VOLTAGEMASK_MVDD  1
 #define SISLANDS_SMC_VOLTAGEMASK_VDDCI 2
+#define SISLANDS_SMC_VOLTAGEMASK_VDDC_PHASE_SHEDDING 3
 #define SISLANDS_SMC_VOLTAGEMASK_MAX   4
 
 struct SISLANDS_SMC_VOLTAGEMASKTABLE