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: v4.9.8~3825^2~2^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=697bb728d9e2367020aa0c5af7363809d7658e43;p=platform%2Fkernel%2Flinux-rpi3.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 7da7958..981342d 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);