diff options
| author | Michel Dänzer <mdaenzer@redhat.com> | 2019-09-20 18:47:02 +0200 |
|---|---|---|
| committer | Michel Dänzer <mdaenzer@redhat.com> | 2019-09-20 18:47:02 +0200 |
| commit | 2cbbd8648cdd27db8076565943b932ef81337053 (patch) | |
| tree | 7c01887eb81922842d4b59038fb3cc7f0c7ad490 /src/radeon_kms.c | |
| parent | c7ed12cb2ea76999351d7cb87877224bdc0664f0 (diff) | |
Don't set up black scanout buffer if LeaveVT is called from CloseScreen
Avoids a crash described in
https://gitlab.freedesktop.org/xorg/driver/xf86-video-amdgpu/merge_requests/43#note_223718
(Ported from amdgpu commit 5b8bc9fc505c551dcd9b0ed5ab835a49fa4f9fda)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'src/radeon_kms.c')
| -rw-r--r-- | src/radeon_kms.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/radeon_kms.c b/src/radeon_kms.c index 777fc14e..107c1ce7 100644 --- a/src/radeon_kms.c +++ b/src/radeon_kms.c @@ -2629,6 +2629,12 @@ void RADEONLeaveVT_KMS(ScrnInfoPtr pScrn) unsigned w = 0, h = 0; int i; + /* If we're called from CloseScreen, trying to clear the black + * scanout BO will likely crash and burn + */ + if (!pScreen->GCperDepth[0]) + goto hide_cursors; + /* Compute maximum scanout dimensions of active CRTCs */ for (i = 0; i < xf86_config->num_crtc; i++) { crtc = xf86_config->crtc[i]; @@ -2701,8 +2707,10 @@ void RADEONLeaveVT_KMS(ScrnInfoPtr pScrn) pScrn->displayWidth * info->pixel_bytes * pScrn->virtualY); } - TimerSet(NULL, 0, 1000, cleanup_black_fb, pScreen); + if (pScreen->GCperDepth[0]) + TimerSet(NULL, 0, 1000, cleanup_black_fb, pScreen); + hide_cursors: xf86_hide_cursors (pScrn); radeon_drop_drm_master(pScrn); |