Attachment 103773 Details for Bug 74250 – patch 2/2

[patch] patch 2/2

0002-drm-radeon-dpm-handle-voltage-info-fetching-on-hawai.patch (text/plain), 1.71 KB, created by Alex Deucher on 2014-07-31 22:17:58 UTC

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Creator: Alex Deucher

Created: 2014-07-31 22:17:58 UTC

Size: 1.71 KB

patch

obsolete

>From 42c5b58ef09ddb4d21201130834c5978fcd5c144 Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Thu, 31 Jul 2014 18:07:17 -0400
>Subject: [PATCH 2/2] drm/radeon/dpm: handle voltage info fetching on hawaii
>
>Some hawaii cards use a different method to fetch the
>voltage info from the vbios.
>
>bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=74250
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/ci_dpm.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
>index 584090a..022561e 100644
>--- a/drivers/gpu/drm/radeon/ci_dpm.c
>+++ b/drivers/gpu/drm/radeon/ci_dpm.c
>@@ -940,7 +940,18 @@ static void ci_get_leakage_voltages(struct radeon_device *rdev)
> 	pi->vddc_leakage.count = 0;
> 	pi->vddci_leakage.count = 0;
> 
>-	if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) {
>+	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_EVV) {
>+		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
>+			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
>+			if (radeon_atom_get_voltage_evv(rdev, virtual_voltage_id, &vddc) != 0)
>+				continue;
>+			if (vddc != 0 && vddc != virtual_voltage_id) {
>+				pi->vddc_leakage.actual_voltage[pi->vddc_leakage.count] = vddc;
>+				pi->vddc_leakage.leakage_id[pi->vddc_leakage.count] = virtual_voltage_id;
>+				pi->vddc_leakage.count++;
>+			}
>+		}
>+	} else if (radeon_atom_get_leakage_id_from_vbios(rdev, &leakage_id) == 0) {
> 		for (i = 0; i < CISLANDS_MAX_LEAKAGE_COUNT; i++) {
> 			virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
> 			if (radeon_atom_get_leakage_vddc_based_on_leakage_params(rdev, &vddc, &vddci,
>-- 
>1.8.3.1
>

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Attachments on bug 74250: 93090 | 93093 | 103772 | 103773 | 103938 | 103939 | 103940 | 103941

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