[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 04/10] hw/arm_sysctl: Implement SYS_CFG_DVIMODE as a
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 04/10] hw/arm_sysctl: Implement SYS_CFG_DVIMODE as a no-op |
Date: |
Mon, 4 Feb 2013 13:44:30 +0000 |
SYS_CFG_DVIMODE allows the guest to select whether the
output DVI signal is VGA, SVGA, XGA, SGA or UXGA. Since
this makes no difference to QEMU, implement writes as a
no-op so Linux doesn't complain.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/arm_sysctl.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/arm_sysctl.c b/hw/arm_sysctl.c
index 960b664..bb56238 100644
--- a/hw/arm_sysctl.c
+++ b/hw/arm_sysctl.c
@@ -295,6 +295,14 @@ static bool vexpress_cfgctrl_write(arm_sysctl_state *s,
unsigned int dcc,
return true;
}
break;
+ case SYS_CFG_DVIMODE:
+ if (site == SYS_CFG_SITE_MB && device == 0) {
+ /* Selecting DVI mode is meaningless for QEMU: we will
+ * always display the output correctly according to the
+ * pixel height/width programmed into the CLCD controller.
+ */
+ return true;
+ }
default:
break;
}
--
1.7.9.5
- [Qemu-devel] [PATCH 06/10] qdev: Implement (variable length) array properties, (continued)
- [Qemu-devel] [PATCH 06/10] qdev: Implement (variable length) array properties, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 07/10] hw/arm_sysctl: Implement SYS_CFG_VOLT, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 09/10] hw/arm_sysctl: Implement SYS_CFG_OSC function, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 03/10] hw/arm_sysctl: Implement SYS_CFG_MUXFPGA writes as a no-op, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 01/10] hw/vexpress: Pass proc_id via VEDBoardInfo, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 10/10] hw/vexpress: Set reset values for daughterboard oscillators, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 02/10] hw/arm_sysctl: Handle SYS_CFGCTRL in a more structured way, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 08/10] hw/vexpress: Pass voltage sensor properties to sysctl device, Peter Maydell, 2013/02/04
- [Qemu-devel] [PATCH 04/10] hw/arm_sysctl: Implement SYS_CFG_DVIMODE as a no-op,
Peter Maydell <=