From f7516fd3a01241aaeab65cd409091e68b4be234a Mon Sep 17 00:00:00 2001 From: Tormod Volden Date: Sun, 18 Sep 2011 22:28:31 +0200 Subject: savage: Warn if broken drm maps are detected 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 --- src/savage_dri.c | 5 +++++ 1 file changed, 5 insertions(+) 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; -- cgit v1.2.3