linux-kernel - Re: [PATCH 1/8] drm: mali-dp: Set the drm->irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 11 Oct 2016 16:03:52 +0100
From:   liviu.dudau@....com
To:     Brian Starkey <brian.starkey@....com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] drm: mali-dp: Set the drm->irq_enabled flag to match
 driver's state.

On Tue, Oct 11, 2016 at 03:26:02PM +0100, Brian Starkey wrote:
> From: Liviu Dudau <Liviu.Dudau@....com>
> 
> Mali DP driver does not use drm_irq_{un,}install() function so the
> drm->irq_enabled flag does not get set automatically.
> drm_wait_vblank() checks the value of the flag among other functions.
> 
> Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>
> ---
> 
> Hi,
> 
> This series is a bunch of small driver-internal fixes and cleanup for
> Mali-DP.

For the whole series, on the patches not already Signed-off-by me or acked:

Acked-by: Liviu Dudau <Liviu.Dudau@....com>

Many thanks,
Liviu

> 
> -Brian
> 
>  drivers/gpu/drm/arm/malidp_drv.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
> index 9280358..7987ebd 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.c
> +++ b/drivers/gpu/drm/arm/malidp_drv.c
> @@ -377,6 +377,8 @@ static int malidp_bind(struct device *dev)
>  	if (ret < 0)
>  		goto irq_init_fail;
>  
> +	drm->irq_enabled = true;
> +
>  	ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
>  	if (ret < 0) {
>  		DRM_ERROR("failed to initialise vblank\n");
> @@ -402,6 +404,7 @@ fbdev_fail:
>  vblank_fail:
>  	malidp_se_irq_fini(drm);
>  	malidp_de_irq_fini(drm);
> +	drm->irq_enabled = false;
>  irq_init_fail:
>  	component_unbind_all(dev, drm);
>  bind_fail:
> -- 
> 1.7.9.5
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯