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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
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