Attachment 106442 Details for Bug 81382 – patch 2/2

[patch] patch 2/2

0002-drm-radeon-add-a-backlight-quirk-for-Amilo-Xi-2550.patch (text/plain), 1.25 KB, created by Alex Deucher on 2014-09-17 15:39:17 UTC

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Creator: Alex Deucher

Created: 2014-09-17 15:39:17 UTC

Size: 1.25 KB

patch

obsolete

>From 324bcec5952d4e8a7a157547c361d3b3c59ffd1f Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Wed, 17 Sep 2014 11:31:02 -0400
>Subject: [PATCH 2/2] drm/radeon: add a backlight quirk for Amilo Xi 2550
>
>Only the acpi backlight seems to work.  Using the
>radeon backlight controller causes the backlight to
>go off.
>
>bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=81382
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>---
> drivers/gpu/drm/radeon/radeon_encoders.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
>index 2a9cd7b..15edf23 100644
>--- a/drivers/gpu/drm/radeon/radeon_encoders.c
>+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
>@@ -173,7 +173,14 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
> 	} else if (radeon_backlight == 1) {
> 		use_bl = true;
> 	} else if (radeon_backlight == -1) {
>-		use_bl = true;
>+		/* Quirks */
>+		/* Amilo Xi 2550 only works with acpi bl */
>+		if ((rdev->pdev->device == 0x9583) &&
>+		    (rdev->pdev->subsystem_vendor == 0x1734) &&
>+		    (rdev->pdev->subsystem_device == 0x1107))
>+			use_bl = false;
>+		else
>+			use_bl = true;
> 	}
> 
> 	if (use_bl) {
>-- 
>1.8.3.1
>

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Attachments on bug 81382: 102847 | 102852 | 102856 | 106353 | 106354 | 106410 | 106441 | 106442 | 106554 | 115253

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