Attachment 113387 Details for Bug 87457 – possible fix

[patch] possible fix

0001-drm-radeon-fix-voltage-setup-on-hawaii.patch (text/plain), 1.13 KB, created by Alex Deucher on 2015-02-12 05:44:34 UTC

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Creator: Alex Deucher

Created: 2015-02-12 05:44:34 UTC

Size: 1.13 KB

patch

obsolete

>From 691c2e10708b13924bf3eb5152c4395685a22b9f Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 12 Feb 2015 00:40:58 -0500
>Subject: [PATCH] drm/radeon: fix voltage setup on hawaii
>
>Missing parameter when fetching the real voltage values
>from atom.  Fixes problems with dynamic clocking on
>certain boards.
>
>bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=87457
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/radeon_atombios.c | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
>index dbc94f3..fc1b3f3 100644
>--- a/drivers/gpu/drm/radeon/radeon_atombios.c
>+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
>@@ -3289,6 +3289,7 @@ int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
> 
> 	args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
> 	args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
>+	args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
> 	args.in.ulSCLKFreq =
> 		cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
> 
>-- 
>1.8.3.1
>

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Attachments on bug 87457: 111007 | 111008 | 111009 | 113387

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