Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-10 Thread Thierry Reding
On Thu, Dec 10, 2020 at 05:50:00PM +0100, Daniel Vetter wrote: > On Thu, Dec 10, 2020 at 5:44 PM Thierry Reding > wrote: > > > > On Thu, Dec 10, 2020 at 11:15:38AM +0100, Daniel Vetter wrote: > > > On Wed, Dec 09, 2020 at 02:28:18PM -0600, Bjorn Andersson wrote: > > > > On Tue 08 Dec 17:52 CST

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-10 Thread Daniel Vetter
On Thu, Dec 10, 2020 at 5:44 PM Thierry Reding wrote: > > On Thu, Dec 10, 2020 at 11:15:38AM +0100, Daniel Vetter wrote: > > On Wed, Dec 09, 2020 at 02:28:18PM -0600, Bjorn Andersson wrote: > > > On Tue 08 Dec 17:52 CST 2020, Daniel Vetter wrote: > > > > > > > On Tue, Dec 08, 2020 at 04:02:16PM

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-10 Thread Thierry Reding
On Thu, Dec 10, 2020 at 11:15:38AM +0100, Daniel Vetter wrote: > On Wed, Dec 09, 2020 at 02:28:18PM -0600, Bjorn Andersson wrote: > > On Tue 08 Dec 17:52 CST 2020, Daniel Vetter wrote: > > > > > On Tue, Dec 08, 2020 at 04:02:16PM -0600, Bjorn Andersson wrote: > > > > On Tue 08 Dec 06:47 CST 2020,

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-10 Thread Daniel Vetter
On Wed, Dec 09, 2020 at 02:28:18PM -0600, Bjorn Andersson wrote: > On Tue 08 Dec 17:52 CST 2020, Daniel Vetter wrote: > > > On Tue, Dec 08, 2020 at 04:02:16PM -0600, Bjorn Andersson wrote: > > > On Tue 08 Dec 06:47 CST 2020, Thierry Reding wrote: > > > > > > > On Mon, Dec 07, 2020 at 10:44:46PM

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-09 Thread Bjorn Andersson
On Tue 08 Dec 17:52 CST 2020, Daniel Vetter wrote: > On Tue, Dec 08, 2020 at 04:02:16PM -0600, Bjorn Andersson wrote: > > On Tue 08 Dec 06:47 CST 2020, Thierry Reding wrote: > > > > > On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > > > > Some bridge chips, such as the TI

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-08 Thread Daniel Vetter
On Tue, Dec 08, 2020 at 04:02:16PM -0600, Bjorn Andersson wrote: > On Tue 08 Dec 06:47 CST 2020, Thierry Reding wrote: > > > On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > > > Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides > > > means of generating a PWM

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-08 Thread Bjorn Andersson
On Tue 08 Dec 06:47 CST 2020, Thierry Reding wrote: > On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > > Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides > > means of generating a PWM signal for backlight control of the attached > > panel. The provided PWM

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-08 Thread Bjorn Andersson
On Mon 07 Dec 23:48 CST 2020, Sam Ravnborg wrote: > Hi Bjorn, > On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > > Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides > > means of generating a PWM signal for backlight control of the attached > > panel. The

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-08 Thread Thierry Reding
On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides > means of generating a PWM signal for backlight control of the attached > panel. The provided PWM chip is typically controlled by the > pwm-backlight driver,

Re: [RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-07 Thread Sam Ravnborg
Hi Bjorn, On Mon, Dec 07, 2020 at 10:44:46PM -0600, Bjorn Andersson wrote: > Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides > means of generating a PWM signal for backlight control of the attached > panel. The provided PWM chip is typically controlled by the > pwm-backlight

[RFC PATCH] drm/panel: Make backlight attachment lazy

2020-12-07 Thread Bjorn Andersson
Some bridge chips, such as the TI SN65DSI86 DSI/eDP bridge, provides means of generating a PWM signal for backlight control of the attached panel. The provided PWM chip is typically controlled by the pwm-backlight driver, which if tied to the panel will provide DPMS. But with the current