Hi Luca,
On Mon, 2025-05-12 at 13:39 +0200, Alexander Sverdlin wrote:
> > led-backlight is a consumer of one or multiple LED class devices, but no
> > devlink is created for such supplier-producer relationship. One consequence
> > is that removal ordered is not correctly enforced.
> >
> > Issues
Hi Luca,
On Tue, 2024-09-17 at 10:53 +0200, Luca Ceresoli wrote:
> led-backlight is a consumer of one or multiple LED class devices, but no
> devlink is created for such supplier-producer relationship. One consequence
> is that removal ordered is not correctly enforced.
>
> Issues happen for exam
On Wed, 2025-02-26 at 21:27 +0530, Aradhya Bhatia wrote:
> From: Aradhya Bhatia
>
> The way any singular display pipeline, in need of a modeset, gets
> enabled is as follows -
>
> crtc enable
> (all) bridge pre-enable
> encoder enable
> (all) bridge enable
>
> - and the
Hi Rob, Dmitry,
On Tue, 2025-03-11 at 15:27 +, Zini, Alessandro wrote:
> > > The h/vsync-disable properties are used to control whether to use or
> > > not h/vsync signals, by configuring their pulse width to zero.
> > >
> > > This is required on some panels which are driven in DE-only mode b
On Wed, 2025-02-26 at 21:27 +0530, Aradhya Bhatia wrote:
> The encoder-bridge ops occur by looping over the new connector states of
> the display pipelines. The enable sequence runs as follows -
>
> - pre_enable(bridge),
> - enable(encoder),
> - enable(bridge),
>
> while the dis
On Wed, 2025-02-26 at 21:27 +0530, Aradhya Bhatia wrote:
> Move the bridge pre_enable call before crtc enable, and the bridge
> post_disable call after the crtc disable.
>
> The sequence of enable after this patch will look like:
>
> bridge[n]_pre_enable
> ...
> bridge[1]_pre_en
Thank you for your work Aradhya!
On Wed, 2025-02-26 at 23:43 +0530, Aradhya Bhatia wrote:
> From: Aradhya Bhatia
>
> The AM62x and AM62Px SoCs feature 2 OLDI TXes each, which makes it
> possible to connect them in dual-link or cloned single-link OLDI display
> modes. The current OLDI support in
Hi Aradhya!
On Thu, 2025-03-20 at 18:54 +0530, Aradhya Bhatia wrote:
> > I've tried to test the patchset with necessary pre-requisites and DT
> > additions
> > with a single channel LVDS pannel and while I'm not successful yet, I've
> > also noticed
> > the following warning:
> >
> > tidss 3020
Hi Aradhya!
On Thu, 2025-03-20 at 18:54 +0530, Aradhya Bhatia wrote:
> While you have mentioned that you did add the prerequisites, could you
> confirm that you applied the (now older) dependency patch mentioned in
> the v4 cover-letter[1]?
> Ideally, you should not observe these concerns if [1] w
Thank you for the patches, Aradhya!
On Sun, 2024-11-24 at 20:06 +0530, Aradhya Bhatia wrote:
> Regardless, I'd appreciate it if somebody can test it, and report back if they
> observe any issues.
I've tried to test the patchset with necessary pre-requisites and DT additions
with a single channel
Hi Aradhya!
On Sun, 2024-11-24 at 20:06 +0530, Aradhya Bhatia wrote:
> From: Aradhya Bhatia
>
> The AM62x and AM62Px SoCs feature 2 OLDI TXes each, which makes it
> possible to connect them in dual-link or cloned single-link OLDI display
> modes. The current OLDI support in tidss_dispc.c can onl
Hi Andrew!
On Tue, 2024-12-17 at 09:56 -0600, Andrew Davis wrote:
> > +static int lp8864_fault_check(struct lp8864_led *led)
> > +{
> > + int ret, i;
> > + unsigned int val;
> > +
> > + ret = regmap_read(led->regmap, LP8864_SUPPLY_STATUS, &val);
> > + if (ret)
> > + goto err;
>
Hi Andrew!
On Tue, 2024-12-17 at 09:56 -0600, Andrew Davis wrote:
> On 12/17/24 7:37 AM, A. Sverdlin wrote:
> > From: Alexander Sverdlin
> >
> > Add driver for TI LP8864, LP8864S, LP8866 4/6 channel LED-backlight drivers
> > with I2C interface.
> >
> > Link: https://www.ti.com/lit/gpn/lp8864-q1
Hi Luca!
On Fri, 2024-12-13 at 12:28 +0100, Luca Ceresoli wrote:
> > > However for hotplug connectors described via device tree overlays there is
> > > additional level of indirection, which is needed to decouple the overlay
> > > and the base tree:
> > >
> > > --- base device tree ---
> > >
Hi Lee!
On Thu, 2024-12-12 at 18:59 +, Lee Jones wrote:
> On Mon, 09 Dec 2024, A. Sverdlin wrote:
>
> > From: Alexander Sverdlin
> >
> > Add driver for TI LP8864, LP8864S, LP8866 4/6 channel LED-backlight drivers
> > with I2C interface.
> >
> > Link: https://www.ti.com/lit/gpn/lp8864-q1
>
Hi Luca!
On Tue, 2024-09-17 at 10:53 +0200, Luca Ceresoli wrote:
> When device tree nodes are added, the I2C core tries to probe client
> devices based on the classic DT structure:
>
> i2c@abcd {
> some-client@42 { compatible = "xyz,blah"; ... };
> };
>
> However for hotplug connec
On Fri, 2024-12-06 at 22:24 +0100, A. Sverdlin wrote:
> From: Alexander Sverdlin
>
> The series adds support for a family of Texas Instruments' automotive
> high-efficiency LED drivers with boost controller. The four or six
> high-precision current sinks support phase shifting that is automatical
Hi Andrew,
On Fri, 2024-12-06 at 12:02 -0600, Andrew Davis wrote:
> On 12/6/24 11:46 AM, Sverdlin, Alexander wrote:
> > Hi Andrew,
> >
> > On Fri, 2024-12-06 at 11:43 -0600, Andrew Davis wrote:
> > > > Are you sure this is a correct thing to do? The lp8860-q1
Hi Andrew,
On Fri, 2024-12-06 at 11:43 -0600, Andrew Davis wrote:
> > Are you sure this is a correct thing to do? The lp8860-q1 product link
> > cites it as being a 4-channel device. Even if the kernel only ever
> > supports it as a single-channel device, the binding should reflect what
> > it is
Hello Conor,
On Fri, 2024-12-06 at 17:14 +, Conor Dooley wrote:
> > Add Texas Instruments' LP8864/LP8866 bindings into LP8860 converting them
> > into YAML format simultaneously. While here, drop the index of the "led"
> > subnode, this one is neither used nor mandated by the drivers. All the
Hi Zack,
thank you for the patch!
On Thu, 2023-09-28 at 00:13 -0400, Zack Rusin wrote:
> From: Zack Rusin
>
> Surfaces can be backed (i.e. stored in) memory objects (mob's) which
> are created and managed by the userspace as GEM buffers. Surfaces
> grab only a ttm reference which means that the
Hi Luben,
thanks for the patch!
On Sat, 2023-11-25 at 14:22 -0500, Luben Tuikov wrote:
> Fix compilation issues with DRM scheduler priority rename MIN to LOW.
>
> Signed-off-by: Luben Tuikov
> Reported-by: kernel test robot
> Closes:
> https://lore.kernel.org/oe-kbuild-all/202311252109.wgbjss
Hello Sascha,
On Fri, 2023-01-20 at 10:16 +0100, Sascha Hauer wrote:
> > + /* Enable LVDS mode */
> > + return regmap_update_bits(lvds->grf, RK3568_GRF_VO_CON2,
> > + RK3568_LVDS0_MODE_EN(1),
> > + RK3568_LVDS0_MODE_EN(1))
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