Attachment 34851 Details for Bug 26582 – possible fix

[patch] possible fix

0001-drm-radeon-kms-adjust-pll-settings-for-tv.patch (text/plain), 1.14 KB, created by Alex Deucher on 2010-04-09 12:34:00 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Alex Deucher

Created: 2010-04-09 12:34:00 UTC

Size: 1.14 KB

patch

obsolete

>From c69493066489b351544ddecac65f350c8851754e Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Fri, 9 Apr 2010 15:31:56 -0400
>Subject: [PATCH] drm/radeon/kms: adjust pll settings for tv
>
>May fix fdo bug 26582.
>
>Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
>---
> drivers/gpu/drm/radeon/atombios_crtc.c |    4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
>index 6300675..3feca6a 100644
>--- a/drivers/gpu/drm/radeon/atombios_crtc.c
>+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
>@@ -517,6 +517,10 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
> 				/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
> 				if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
> 					adjusted_clock = mode->clock * 2;
>+				if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
>+					pll->algo = PLL_ALGO_LEGACY;
>+					pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
>+				}
> 			} else {
> 				if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
> 					pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
>-- 
>1.5.6.3
>

Actions: View | Splinter Review

Attachments on bug 26582: 33321 | 33322 | 33351 | 33352 | 34763 | 34767 | 34768 | 34805 | 34810 | 34813 | 34814 | 34815 | 34816 | 34818 | 34851

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.