Attachment 21734 Details for Bug 19203 – hacky patch

[patch] hacky patch

0001-bodge-in-continuous-timings-when-the-scaler-is-in-us.patch (text/plain), 1.73 KB, created by Stuart Bennett on 2009-01-06 13:29:40 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Stuart Bennett

Created: 2009-01-06 13:29:40 UTC

Size: 1.73 KB

patch

obsolete

>From 0f774d28737667fde7cb1ef15bb459c87f1879b2 Mon Sep 17 00:00:00 2001
>From: Stuart Bennett <sb476@cam.ac.uk>
>Date: Tue, 6 Jan 2009 16:23:33 +0000
>Subject: [PATCH] bodge-in continuous timings when the scaler is in use. waiting for resolution of http://bugs.freedesktop.org/show_bug.cgi?id=19247 or http://marc.info/?l=dri-devel&m=123053570717146&w=2 to see if anyone comes up with a better solution.
>
>a pity the xserver has no idea of scalers and so each driver ends up with this hack.
>---
> src/nv_output.c |   17 +++++++++++++++++
> 1 files changed, 17 insertions(+), 0 deletions(-)
>
>diff --git a/src/nv_output.c b/src/nv_output.c
>index e079f68..87fd932 100644
>--- a/src/nv_output.c
>+++ b/src/nv_output.c
>@@ -219,6 +219,19 @@ nv_output_detect(xf86OutputPtr output)
> 	return ret;
> }
> 
>+static void munge_edid_for_scaler(xf86OutputPtr output, xf86MonPtr edid)
>+{
>+	/* the digital scaler is not limited to modes given in the EDID, so
>+	 * enable the GTF bit so the xserver thinks continuous timing is
>+	 * available and adds the standard modes */
>+
>+	edid->features.msc |= 1;
>+	xf86OutputSetEDID(output, edid);
>+
>+	/* FIXME: add/modify a sync ranges block to allow full range of modes,
>+	 * a la http://bugs.freedesktop.org/attachment.cgi?id=21548 ?? */
>+}
>+
> static DisplayModePtr
> get_native_mode_from_edid(xf86OutputPtr output, DisplayModePtr edid_modes)
> {
>@@ -279,6 +292,10 @@ nv_output_get_edid_modes(xf86OutputPtr output)
> 	ScrnInfoPtr pScrn = output->scrn;
> 	DisplayModePtr edid_modes;
> 
>+	if (nv_encoder->dcb->type == OUTPUT_LVDS ||
>+	    (nv_encoder->dcb->type == OUTPUT_TMDS && nv_encoder->scaling_mode != SCALE_PANEL))
>+		munge_edid_for_scaler(output, nv_connector->edid);
>+
> 	if (!(edid_modes = xf86OutputGetEDIDModes(output)))
> 		return edid_modes;
> 
>-- 
>1.5.4.4
>

Actions: View | Splinter Review

Attachments on bug 19203: 21734 | 21806 | 22643 | 22644 | 22645 | 22692

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.