slackware-current/source/x/x11/patch/xf86-video-intel/0001-sna-Let-modestting-glamor-handle-gen9.patch
Patrick J Volkerding d31c50870d Slackware 14.2
Thu Jun 30 20:26:57 UTC 2016
Slackware 14.2 x86_64 stable is released!

The long development cycle (the Linux community has lately been living in
"interesting times", as they say) is finally behind us, and we're proud to
announce the release of Slackware 14.2.  The new release brings many updates
and modern tools, has switched from udev to eudev (no systemd), and adds
well over a hundred new packages to the system.  Thanks to the team, the
upstream developers, the dedicated Slackware community, and everyone else
who pitched in to help make this release a reality.

The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a dual-sided
32-bit/64-bit x86/x86_64 DVD.  Please consider supporting the Slackware
project by picking up a copy from store.slackware.com.  We're taking
pre-orders now, and offer a discount if you sign up for a subscription.

Have fun!  :-)
2018-05-31 23:31:18 +02:00

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From 442ac0a20132f49fbfb37f05db9d90f04b13698d Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 29 Feb 2016 14:43:35 +0100
Subject: [RFC/PATCH xf86-video-intel] sna: Let modestting + glamor handle
gen9+
sna has no meaningfull accel for gen9+, this causes problems with i.e.
apps using XVideo since the sprite XVideo support does not work well
for many apps.
Therefor it is better to just let the xserver fall back to modesetting +
glamor. This is implemented by returning FALSE from the probe methods,
just like how nouveau handles falling back to modesetting for newer cards.
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1305369
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
src/intel_module.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/intel_module.c b/src/intel_module.c
index 60835b9..5979cb9 100644
--- a/src/intel_module.c
+++ b/src/intel_module.c
@@ -571,6 +571,13 @@ intel_scrn_create(DriverPtr driver,
return FALSE;
}
+ /*
+ * We've no accel support for these, so let modesetting + glamor
+ * handle them.
+ */
+ if ((unsigned)((struct intel_device_info *)match_data)->gen >= 0110)
+ return FALSE;
+
scrn = xf86AllocateScreen(driver, flags);
if (scrn == NULL)
return FALSE;
--
2.7.2