[PATCH] savage: Warn if broken drm maps are detected
Tormod Volden
lists.tormod at gmail.com
Sun Sep 18 13:28:31 PDT 2011
From: Tormod Volden <debian.tormod at gmail.com>
Linux kernel 2.6.30 - 2.6.39 had broken drm maps which would result
in assorted problems. Leave a message in the log if it looks like
the framebuffer map and the aperture map are mixed up.
https://bugs.freedesktop.org/show_bug.cgi?id=32511
Signed-off-by: Tormod Volden <debian.tormod at gmail.com>
---
src/savage_dri.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/savage_dri.c b/src/savage_dri.c
index 69563bd..8750925 100644
--- a/src/savage_dri.c
+++ b/src/savage_dri.c
@@ -1070,6 +1070,11 @@ Bool SAVAGEDRIScreenInit( ScreenPtr pScreen )
return FALSE;
}
+ /* Linux kernel DRM broken in 2.6.30 through 2.6.39 */
+ if (pDRIInfo->hFrameBuffer == pSAVAGEDRIServer->aperture.handle)
+ xf86DrvMsg( pScrn->scrnIndex, X_WARNING,
+ "[drm] Detected broken drm maps. Please upgrade to linux kernel 3.x\n");
+
if ( !SAVAGEDRIBuffersInit( pScreen ) ) {
SAVAGEDRICloseScreen( pScreen );
return FALSE;
--
1.7.5.4
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