From: Ben Skeggs Date: Tue, 28 Jul 2015 07:20:57 +0000 (+1000) Subject: drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~6167^2~2^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=697bb728d9e2367020aa0c5af7363809d7658e43;p=mirror_ubuntu-zesty-kernel.git drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads Userspace has started doing this, which upsets the display class hw error checking in various unpleasant ways. Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7da7958556a3..981342d142ff 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -979,7 +979,7 @@ nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update) { struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); - if (show && nv_crtc->cursor.nvbo) + if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled) nv50_crtc_cursor_show(nv_crtc); else nv50_crtc_cursor_hide(nv_crtc);