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From: Gerd Hoffmann <kraxel@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: [PULL 24/25] modules: add have_vga
Date: Mon, 10 May 2021 15:20:50 +0200	[thread overview]
Message-ID: <20210510132051.2208563-25-kraxel@redhat.com> (raw)
In-Reply-To: <20210510132051.2208563-1-kraxel@redhat.com>

Introduce a symbol which can be used to prevent display modules which
need vga support being loaded into system emulators with CONFIG_VGA=n.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20210430113547.1816178-1-kraxel@redhat.com
Message-Id: <20210430113547.1816178-16-kraxel@redhat.com>
---
 include/hw/display/vga.h | 6 ++++++
 hw/display/vga.c         | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/include/hw/display/vga.h b/include/hw/display/vga.h
index ca0003dbfd92..5f7825e0e368 100644
--- a/include/hw/display/vga.h
+++ b/include/hw/display/vga.h
@@ -11,6 +11,12 @@
 
 #include "exec/hwaddr.h"
 
+/*
+ * modules can reference this symbol to avoid being loaded
+ * into system emulators without vga support
+ */
+extern bool have_vga;
+
 enum vga_retrace_method {
     VGA_RETRACE_DUMB,
     VGA_RETRACE_PRECISE
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 836ad50c7b6d..28a90e30d0cf 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -39,6 +39,8 @@
 //#define DEBUG_VGA_MEM
 //#define DEBUG_VGA_REG
 
+bool have_vga = true;
+
 /* 16 state changes per vertical frame @60 Hz */
 #define VGA_TEXT_CURSOR_PERIOD_MS       (1000 * 2 * 16 / 60)
 
-- 
2.31.1



  parent reply	other threads:[~2021-05-10 13:35 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-10 13:20 [PULL 00/25] Vga 20210510 patches Gerd Hoffmann
2021-05-10 13:20 ` [PULL 01/25] qemu-edid: use qemu_edid_size() Gerd Hoffmann
2021-05-10 13:20 ` [PULL 02/25] edid: edid_desc_next Gerd Hoffmann
2021-05-10 13:20 ` [PULL 03/25] edid: move xtra3 descriptor Gerd Hoffmann
2021-05-10 13:20 ` [PULL 04/25] edid: use dta extension block descriptors Gerd Hoffmann
2021-05-10 13:20 ` [PULL 05/25] edid: Make refresh rate configurable Gerd Hoffmann
2021-05-10 13:20 ` [PULL 06/25] edid: move timing generation into a separate function Gerd Hoffmann
2021-05-10 13:20 ` [PULL 07/25] edid: allow arbitrary-length checksums Gerd Hoffmann
2021-05-10 13:20 ` [PULL 08/25] edid: add support for DisplayID extension (5k resolution) Gerd Hoffmann
2021-05-10 13:20 ` [PULL 09/25] virtio-gpu: handle partial maps properly Gerd Hoffmann
2021-05-10 13:20 ` [PULL 10/25] virtio-gpu: rename virgl source file Gerd Hoffmann
2021-05-10 13:20 ` [PULL 11/25] virtio-gpu: add virtio-gpu-gl-device Gerd Hoffmann
2021-05-10 13:20 ` [PULL 12/25] virtio-gpu: move virgl realize + properties Gerd Hoffmann
2021-05-21  9:32   ` Michal Prívozník
2021-05-21 10:50     ` Marc-André Lureau
2021-05-21 13:45       ` Gerd Hoffmann
2021-05-21 13:57     ` Gerd Hoffmann
2021-05-10 13:20 ` [PULL 13/25] virtio-gpu: move virgl reset Gerd Hoffmann
2021-05-10 13:20 ` [PULL 14/25] virtio-gpu: use class function for ctrl queue handlers Gerd Hoffmann
2021-05-10 13:20 ` [PULL 15/25] virtio-gpu: move virgl handle_ctrl Gerd Hoffmann
2021-05-10 13:20 ` [PULL 16/25] virtio-gpu: move virgl gl_flushed Gerd Hoffmann
2021-05-10 13:20 ` [PULL 17/25] virtio-gpu: move virgl process_cmd Gerd Hoffmann
2021-05-10 13:20 ` [PULL 18/25] virtio-gpu: move update_cursor_data Gerd Hoffmann
2021-05-10 13:20 ` [PULL 19/25] virtio-gpu: drop VIRGL() macro Gerd Hoffmann
2021-05-10 13:20 ` [PULL 20/25] virtio-gpu: move virtio-gpu-gl-device to separate module Gerd Hoffmann
2021-05-10 13:20 ` [PULL 21/25] virtio-gpu: drop use_virgl_renderer Gerd Hoffmann
2021-05-10 13:20 ` [PULL 22/25] virtio-gpu: move fields to struct VirtIOGPUGL Gerd Hoffmann
2021-05-10 13:20 ` [PULL 23/25] virtio-gpu: add virtio-gpu-gl-pci Gerd Hoffmann
2021-05-10 13:20 ` Gerd Hoffmann [this message]
2021-05-10 13:20 ` [PULL 25/25] virtio-gpu: add virtio-vga-gl Gerd Hoffmann
2021-05-10 13:43 ` [PULL 00/25] Vga 20210510 patches no-reply
2021-05-12 15:05 ` Peter Maydell
2021-06-30 18:16   ` Marc-André Lureau
2021-07-01  6:29     ` Marc-André Lureau

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