Attachment 60707 Details for Bug 42490 – possible fix

[patch] possible fix

0001-drm-radeon-kms-need-to-set-up-ss-on-DP-bridges-as-we.patch (text/plain), 1.29 KB, created by Alex Deucher on 2012-04-27 14:18:03 UTC

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Creator: Alex Deucher

Created: 2012-04-27 14:18:03 UTC

Size: 1.29 KB

patch

obsolete

>From 2767c091fccfbca49034068e59b3cbb357e7b3ee Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexander.deucher@amd.com>
>Date: Fri, 27 Apr 2012 16:41:56 -0400
>Subject: [PATCH] drm/radeon/kms: need to set up ss on DP bridges as well
>
>Makes Nutmeg DP to VGA bridges work for me.
>
>Fixes:
>https://bugs.freedesktop.org/show_bug.cgi?id=42490
>
>Noticed by Jerome Glisse
>
>Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>Cc: stable@vger.kernel.org
>---
> drivers/gpu/drm/radeon/atombios_crtc.c |    4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index c5c31e0..af1054f 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -958,8 +958,8 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
> 		break;
> 	}
> 
>-	if (radeon_encoder->active_device &
>-	    (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
>+	if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
>+	    (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
> 		struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
> 		struct drm_connector *connector =
> 			radeon_get_connector_for_encoder(encoder);
>-- 
>1.7.7.5
>

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Attachments on bug 42490: 53026 | 53027 | 60707 | 60730 | 60758 | 60760 | 60765 | 60773 | 60774 | 66808 | 66817 | 66819 | 66822 | 66828

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