Attachment 126814 Details for Bug 76490 – possible fix

[patch] possible fix

0001-drm-radeon-si-dpm-fix-phase-shedding-setup.patch (text/plain), 1.75 KB, created by Alex Deucher on 2016-09-27 19:00:51 UTC

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Creator: Alex Deucher

Created: 2016-09-27 19:00:51 UTC

Size: 1.75 KB

patch

obsolete

>From 5452363c2c5a2410a91b8a501b0616117365a5cb Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Tue, 27 Sep 2016 14:51:53 -0400
>Subject: [PATCH 1/2] drm/radeon/si/dpm: fix phase shedding setup
>
>Used the wrong index to setup the phase shedding mask.
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/si_dpm.c       | 2 +-
> drivers/gpu/drm/radeon/sislands_smc.h | 1 +
> 2 files changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
>index 1f78ec2..89bdf20 100644
>--- 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_tables(struct radeon_device *rdev,
> 							      &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,
>diff --git a/drivers/gpu/drm/radeon/sislands_smc.h b/drivers/gpu/drm/radeon/sislands_smc.h
>index 3c77983..966e3a5 100644
>--- 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 SISLANDS_SMC_SWSTATE;
> #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
>-- 
>2.5.5
>

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Attachments on bug 76490: 96217 | 98989 | 98997 | 99000 | 101819 | 112040 | 112051 | 112144 | 115340 | 116921 | 116922 | 116923 | 118004 | 118292 | 119434 | 120154 | 122942 | 122946 | 123371 | 125334 | 126814

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