From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52886) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYJNw-0002HD-4Z for qemu-devel@nongnu.org; Wed, 18 Mar 2015 15:12:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YYJNq-0005qr-0g for qemu-devel@nongnu.org; Wed, 18 Mar 2015 15:12:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47619) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YYJNp-0005qj-QR for qemu-devel@nongnu.org; Wed, 18 Mar 2015 15:12:01 -0400 From: Andrew Jones Date: Wed, 18 Mar 2015 15:11:48 -0400 Message-Id: <1426705908-2765-5-git-send-email-drjones@redhat.com> In-Reply-To: <1426705908-2765-1-git-send-email-drjones@redhat.com> References: <1426705700-2564-1-git-send-email-drjones@redhat.com> <1426705908-2765-1-git-send-email-drjones@redhat.com> Subject: [Qemu-devel] [RFC PATCH 4/4] vga: flag vram as uncached List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: kvmarm@lists.cs.columbia.edu, qemu-devel@nongnu.org, ard.biesheuvel@linaro.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, peter.maydell@linaro.org, pbonzini@redhat.com Cc: catalin.marinas@arm.com, lersek@redhat.com, agraf@suse.de, m.smarduch@samsung.com Video RAM is typically mapped as uncached by guests. Flag it as such. Signed-off-by: Andrew Jones --- hw/display/vga.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/display/vga.c b/hw/display/vga.c index c0f7b343bbab5..5c8c249a8d780 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -2143,6 +2143,7 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate) s->is_vbe_vmstate = 1; memory_region_init_ram(&s->vram, obj, "vga.vram", s->vram_size, &error_abort); + memory_region_set_uncached(&s->vram); vmstate_register_ram(&s->vram, global_vmstate ? NULL : DEVICE(obj)); xen_register_framebuffer(&s->vram); s->vram_ptr = memory_region_get_ram_ptr(&s->vram); -- 1.8.3.1