Attachment 54798 Details for Bug 44130 – Patch for issue

[patch] Patch for issue

0001-Fixed-issue-with-radeon-cards-that-have-no-power-sta.patch (text/plain), 1.22 KB, created by serveralex on 2011-12-24 14:51:36 UTC

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Creator: serveralex

Created: 2011-12-24 14:51:36 UTC

Size: 1.22 KB

patch

obsolete

>From 2be0aa11ca8c27f286f7c2a2d84001d4075a08b9 Mon Sep 17 00:00:00 2001
>From: Alexander MÃ¼ller <serveralex@gmail.com>
>Date: Sat, 24 Dec 2011 23:41:31 +0100
>Subject: [PATCH 1/1] Fixed issue with radeon cards that have no power states registered.
>
>---
> drivers/gpu/drm/radeon/radeon_atombios.c |    9 ++++++++-
> 1 files changed, 8 insertions(+), 1 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
>index d24baf3..1d03d24 100644
>--- a/drivers/gpu/drm/radeon/radeon_atombios.c
>+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
>@@ -2560,7 +2560,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
> 
> 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
> 	rdev->pm.current_clock_mode_index = 0;
>-	rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
>+
>+	/* set default power state (if supported) */
>+	if (rdev->pm.default_power_state_index >= 0) {
>+		rdev->pm.current_vddc = rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
>+	}
>+	else {
>+		rdev->pm.current_vddc = 0;
>+	}
> }
> 
> void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
>-- 
>1.7.0.4
>

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