Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-21 Thread Thierry Reding
On Wed, Feb 21, 2018 at 03:30:41PM +0100, Thierry Reding wrote: > On Wed, Feb 21, 2018 at 02:15:13PM +0100, Lukas Wunner wrote: > > On Wed, Feb 21, 2018 at 01:30:23PM +0200, Jyri Sarha wrote: > > > On 21/02/18 09:18, Lukas Wunner wrote: > > > > On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-21 Thread Thierry Reding
On Wed, Feb 21, 2018 at 02:15:13PM +0100, Lukas Wunner wrote: > On Wed, Feb 21, 2018 at 01:30:23PM +0200, Jyri Sarha wrote: > > On 21/02/18 09:18, Lukas Wunner wrote: > > > On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha wrote: > > >> On 20/02/18 14:03, Thierry Reding wrote: > > >>> On Tue,

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-21 Thread Thierry Reding
On Wed, Feb 21, 2018 at 08:18:42AM +0100, Lukas Wunner wrote: > [+cc Rafael] > > On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha wrote: > > On 20/02/18 14:03, Thierry Reding wrote: > > > On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: > > >> On 20/02/18 12:34, Thierry Reding

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-21 Thread Lukas Wunner
On Wed, Feb 21, 2018 at 01:30:23PM +0200, Jyri Sarha wrote: > On 21/02/18 09:18, Lukas Wunner wrote: > > On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha wrote: > >> On 20/02/18 14:03, Thierry Reding wrote: > >>> On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: > On 20/02/18

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-21 Thread Jyri Sarha
On 21/02/18 09:18, Lukas Wunner wrote: > [+cc Rafael] > > On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha wrote: >> On 20/02/18 14:03, Thierry Reding wrote: >>> On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: On 20/02/18 12:34, Thierry Reding wrote: >> On Mon, Feb 19,

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-20 Thread Lukas Wunner
[+cc Rafael] On Tue, Feb 20, 2018 at 05:04:00PM +0200, Jyri Sarha wrote: > On 20/02/18 14:03, Thierry Reding wrote: > > On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: > >> On 20/02/18 12:34, Thierry Reding wrote: > On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: >

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-20 Thread Jyri Sarha
On 20/02/18 14:03, Thierry Reding wrote: > On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: >> On 20/02/18 12:34, Thierry Reding wrote: >>> On Mon, Feb 19, 2018 at 11:59:23PM +0100, Daniel Vetter wrote: On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: > Currently

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-20 Thread Thierry Reding
On Tue, Feb 20, 2018 at 01:28:48PM +0200, Jyri Sarha wrote: > On 20/02/18 12:34, Thierry Reding wrote: > > On Mon, Feb 19, 2018 at 11:59:23PM +0100, Daniel Vetter wrote: > >> On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: > >>> Currently there is no way for a master drm driver to

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-20 Thread Jyri Sarha
On 20/02/18 12:34, Thierry Reding wrote: > On Mon, Feb 19, 2018 at 11:59:23PM +0100, Daniel Vetter wrote: >> On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: >>> Currently there is no way for a master drm driver to protect against an >>> attached panel driver from being unloaded while

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-20 Thread Thierry Reding
On Mon, Feb 19, 2018 at 11:59:23PM +0100, Daniel Vetter wrote: > On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: > > Currently there is no way for a master drm driver to protect against an > > attached panel driver from being unloaded while it is in use. The > > least we can do is to

Re: [PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-19 Thread Daniel Vetter
On Mon, Feb 19, 2018 at 10:06:22PM +0200, Jyri Sarha wrote: > Currently there is no way for a master drm driver to protect against an > attached panel driver from being unloaded while it is in use. The > least we can do is to indicate the usage by incrementing the module > reference count. > >

[PATCH RFC] drm/bridge: panel: Add module_get/but calls to attached panel driver

2018-02-19 Thread Jyri Sarha
Currently there is no way for a master drm driver to protect against an attached panel driver from being unloaded while it is in use. The least we can do is to indicate the usage by incrementing the module reference count. Signed-off-by: Jyri Sarha cc: e...@anholt.net cc: