inuxdriverproject.org
> Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
> Driver
>
> On Fri, Feb 15, Haiyang Zhang wrote:
>
> > + if (fb_get_options("hyperv_fb", ) || !opt || !*opt)
>
> > + strcpy(info->fix.id, "hy
On Fri, Feb 15, Haiyang Zhang wrote:
> + if (fb_get_options("hyperv_fb", ) || !opt || !*opt)
> + strcpy(info->fix.id, "hyperv");
Here is a mismatch between video= and /proc/fb output.
Both should have the same string IMO.
Olaf
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On Fri, Feb 15, Haiyang Zhang wrote:
+ if (fb_get_options(hyperv_fb, opt) || !opt || !*opt)
+ strcpy(info-fix.id, hyperv);
Here is a mismatch between video=optname and /proc/fb output.
Both should have the same string IMO.
Olaf
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Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
Driver
On Fri, Feb 15, Haiyang Zhang wrote:
+ if (fb_get_options(hyperv_fb, opt) || !opt || !*opt)
+ strcpy(info-fix.id, hyperv);
Here is a mismatch between video=optname and /proc/fb output.
Both should have
> From: Olaf Hering
> Sent: Thursday, February 21, 2013 10:53 AM
> To: Haiyang Zhang
> Cc: florianschandi...@gmx.de; linux-fb...@vger.kernel.org; KY Srinivasan;
> jasow...@redhat.com; linux-kernel@vger.kernel.org;
> de...@linuxdriverproject.org
> Subject: Re: [PATCH RF
On Tue, Feb 19, Haiyang Zhang wrote:
> > I havent read the vesafb code, but I think it can kind of give up the
> > hardware, something ata_piix can not do.
>
> In my test, the vesafb doesn't automatically give up the emulated video
> device,
> unless I add the DMI based mechanism to let it exit
On Tue, Feb 19, Haiyang Zhang wrote:
I havent read the vesafb code, but I think it can kind of give up the
hardware, something ata_piix can not do.
In my test, the vesafb doesn't automatically give up the emulated video
device,
unless I add the DMI based mechanism to let it exit on
From: Olaf Hering
Sent: Thursday, February 21, 2013 10:53 AM
To: Haiyang Zhang
Cc: florianschandi...@gmx.de; linux-fb...@vger.kernel.org; KY Srinivasan;
jasow...@redhat.com; linux-kernel@vger.kernel.org;
de...@linuxdriverproject.org
Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic
rinivasan;
> jasow...@redhat.com; linux-kernel@vger.kernel.org;
> de...@linuxdriverproject.org
> Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
> Driver
>
> On Tue, Feb 19, Haiyang Zhang wrote:
>
> > The emulated video device is a separate device from th
On Tue, Feb 19, Haiyang Zhang wrote:
> The emulated video device is a separate device from the synthetic video.
> The synthetic driver can only take control of the synthetic video, but not
> the emulated video.
Please add this to the comment above.
> Actually, we already have a similar
inuxdriverproject.org
> Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
> Driver
>
> On Fri, Feb 15, Haiyang Zhang wrote:
>
> > @@ -508,6 +544,18 @@ static int __init vesafb_init(void)
> > int ret;
> > char *o
On Fri, Feb 15, Haiyang Zhang wrote:
> @@ -508,6 +544,18 @@ static int __init vesafb_init(void)
> int ret;
> char *option = NULL;
>
> +#if IS_ENABLED(CONFIG_HYPERV_FB)
> + /*
> + * On Hyper-V both the emulated and synthetic video devices are
> + * available. To avoid
On Fri, Feb 15, Haiyang Zhang wrote:
@@ -508,6 +544,18 @@ static int __init vesafb_init(void)
int ret;
char *option = NULL;
+#if IS_ENABLED(CONFIG_HYPERV_FB)
+ /*
+ * On Hyper-V both the emulated and synthetic video devices are
+ * available. To avoid
: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
Driver
On Fri, Feb 15, Haiyang Zhang wrote:
@@ -508,6 +544,18 @@ static int __init vesafb_init(void)
int ret;
char *option = NULL;
+#if IS_ENABLED(CONFIG_HYPERV_FB)
+ /*
+* On Hyper-V both
On Tue, Feb 19, Haiyang Zhang wrote:
The emulated video device is a separate device from the synthetic video.
The synthetic driver can only take control of the synthetic video, but not
the emulated video.
Please add this to the comment above.
Actually, we already have a similar mechanism in
; linux-kernel@vger.kernel.org;
de...@linuxdriverproject.org
Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
Driver
On Tue, Feb 19, Haiyang Zhang wrote:
The emulated video device is a separate device from the synthetic
video.
The synthetic driver can only take
;
> o...@aepfle.de; jasow...@redhat.com; linux-kernel@vger.kernel.org;
> de...@linuxdriverproject.org
> Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
> Driver
>
> On Fri, Feb 15, 2013 at 8:09 PM, Haiyang Zhang
> wrote:
> > +/* Allocate framebuf
On Fri, Feb 15, 2013 at 8:09 PM, Haiyang Zhang wrote:
> +/* Allocate framebuffer memory */
> +#define FOUR_MEGA (4*1024*1024)
> +#define NALLOC 10
> +static void *hvfb_getmem(void)
> +{
> + ulong *p;
> + int i, j;
> + ulong ret = 0;
> +
> + if (screen_fb_size == FOUR_MEGA)
On Fri, Feb 15, 2013 at 8:09 PM, Haiyang Zhang haiya...@microsoft.com wrote:
+/* Allocate framebuffer memory */
+#define FOUR_MEGA (4*1024*1024)
+#define NALLOC 10
+static void *hvfb_getmem(void)
+{
+ ulong *p;
+ int i, j;
+ ulong ret = 0;
+
+ if (screen_fb_size
...@redhat.com; linux-kernel@vger.kernel.org;
de...@linuxdriverproject.org
Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video Frame Buffer
Driver
On Fri, Feb 15, 2013 at 8:09 PM, Haiyang Zhang haiya...@microsoft.com
wrote:
+/* Allocate framebuffer memory */
Please instead reserve some
> From: Olaf Hering
> Sent: Sunday, February 17, 2013 9:32 AM
> To: Haiyang Zhang
> Cc: florianschandi...@gmx.de; linux-fb...@vger.kernel.org; KY Srinivasan;
> jasow...@redhat.com; linux-kernel@vger.kernel.org;
> de...@linuxdriverproject.org
> Subject: Re: [PATCH RF
On Fri, Feb 15, Haiyang Zhang wrote:
> +config HYPERV_FB
This should probably be FB_HYPERB to follow the naming of all other
drivers.
Olaf
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On Fri, Feb 15, Haiyang Zhang wrote:
+config HYPERV_FB
This should probably be FB_HYPERB to follow the naming of all other
drivers.
Olaf
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the body of a message to majord...@vger.kernel.org
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From: Olaf Hering
Sent: Sunday, February 17, 2013 9:32 AM
To: Haiyang Zhang
Cc: florianschandi...@gmx.de; linux-fb...@vger.kernel.org; KY Srinivasan;
jasow...@redhat.com; linux-kernel@vger.kernel.org;
de...@linuxdriverproject.org
Subject: Re: [PATCH RFC] video: Add Hyper-V Synthetic Video
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