From: Jarkko Sakkinen
> Sent: 06 March 2022 05:32
>
> For device memory (aka VM_IO | VM_PFNMAP) MAP_POPULATE does nothing. Allow
> to use that for initializing the device memory by providing a new callback
> f_ops->populate() for the purpose.
>
> SGX patches are provided to show the callback in c
On Sun, Mar 06, 2022 at 07:32:05AM +0200, Jarkko Sakkinen wrote:
> Sometimes you might want to use MAP_POPULATE to ask a device driver to
> initialize the device memory in some specific manner. SGX driver can use
> this to request more memory by issuing ENCLS[EAUG] x86 opcode for each
> page in the
Ted wrote:
> On Sat, Mar 05, 2022 at 11:55:34PM +0900, Byungchul Park wrote:
> > > that is why some of the DEPT reports were completely incomprehensible
> >
> > It's because you are blinded to blame at it without understanding how
> > Dept works at all. I will fix those that must be fixed. Don't w
On Sun, Mar 06, 2022 at 07:32:04AM +0200, Jarkko Sakkinen wrote:
> For device memory (aka VM_IO | VM_PFNMAP) MAP_POPULATE does nothing. Allow
> to use that for initializing the device memory by providing a new callback
> f_ops->populate() for the purpose.
As I said, NAK.
https://bugzilla.kernel.org/show_bug.cgi?id=205089
zccrs (zc...@live.com) changed:
What|Removed |Added
CC||zc...@live.com
--- Comment #32 f
On Sun, Mar 06, 2022 at 07:51:42PM +0900, Byungchul Park wrote:
> >
> > Users of DEPT must not have to understand how DEPT works in order to
>
> Users must not have to understand how Dept works for sure, and haters
> must not blame things based on what they guess wrong.
For the record, I don't h
On Sun, Mar 06, 2022 at 08:30:14AM +, David Laight wrote:
> From: Jarkko Sakkinen
> > Sent: 06 March 2022 05:32
> >
> > For device memory (aka VM_IO | VM_PFNMAP) MAP_POPULATE does nothing. Allow
> > to use that for initializing the device memory by providing a new callback
> > f_ops->populate(
On Sun, Mar 06, 2022 at 11:01:36AM +0100, Greg Kroah-Hartman wrote:
> On Sun, Mar 06, 2022 at 07:32:05AM +0200, Jarkko Sakkinen wrote:
> > Sometimes you might want to use MAP_POPULATE to ask a device driver to
> > initialize the device memory in some specific manner. SGX driver can use
> > this to
On Sun, Mar 06, 2022 at 07:03:00PM +0200, Jarkko Sakkinen wrote:
> On Sun, Mar 06, 2022 at 11:01:36AM +0100, Greg Kroah-Hartman wrote:
> > On Sun, Mar 06, 2022 at 07:32:05AM +0200, Jarkko Sakkinen wrote:
> > > Sometimes you might want to use MAP_POPULATE to ask a device driver to
> > > initialize t
Hello Xin,
(Question for Rob below, and I'm afraid this is urgent as we need to
merge a fix in v5.17).
On Fri, Nov 05, 2021 at 11:19:03AM +0800, Xin Ji wrote:
> The basic anx7625 driver only support MIPI DSI rx signal input.
> This patch add MIPI DPI rx input configuration support, after apply
>
Hello,
This small patch series is the result of me getting a bus-type numerical
value wrong in a device tree file and spending too long debugging the
issue. Hopefully there's nothing controversial here.
Compared to v1, the PARALLEL bus type has been renamed to BT601, and
patch 3/3 now converts ex
Now that a header exists with macros for the media interface bus-type
values, replace hardcoding numerical constants with the corresponding
macros in the DT binding examples.
Signed-off-by: Laurent Pinchart
---
Changes since v1:
- Rename PARALLEL to BT601
---
.../devicetree/bindings/display/bri
Add a new dt-bindings/media/video-interfaces.h header that defines
macros corresponding to the bus types from media/video-interfaces.yaml.
This allows avoiding hardcoded constants in device tree sources.
Signed-off-by: Laurent Pinchart
---
Changes since v1:
- Dual-license under GPL-2.0-only or M
Now that a header exists with macros for the media interface bus-type
values, replace hardcoding numerical constants with the corresponding
macros in the DT sources.
Signed-off-by: Laurent Pinchart
---
arch/arm/boot/dts/imx6ul-14x14-evk.dtsi | 4 +++-
arch/arm/boot/dts/omap3-n900.
22.12.2021 22:30, Dmitry Osipenko пишет:
> 20.12.2021 13:48, Thierry Reding пишет:
>> From: Thierry Reding
>>
>> Move the eDP panel on Venice 2 and Nyan boards into the corresponding
>> AUX bus device tree node. This allows us to avoid a nasty circular
>> dependency that would otherwise be created
On Sun, Mar 06, 2022 at 07:39:03PM +0200, Laurent Pinchart wrote:
> Add a new dt-bindings/media/video-interfaces.h header that defines
> macros corresponding to the bus types from media/video-interfaces.yaml.
> This allows avoiding hardcoded constants in device tree sources.
>
> Signed-off-by: Lau
Hi Andrzej,
[...]
> > -int intel_gt_probe_lmem(struct intel_gt *gt)
> > +static int intel_gt_probe_lmem(struct intel_gt *gt)
> > {
> > struct drm_i915_private *i915 = gt->i915;
> > + unsigned int instance = gt->info.id;
> > struct intel_memory_region *mem;
> > int id;
> > int
Hi Andrzej and Michal,
> > > The "gt_is_root(struct intel_gt *gt)" helper return true if the
> > > gt is the root gt, which means that its id is 0. Return false
> > > otherwise.
> > >
> > > Suggested-by: Michal Wajdeczko
> > > Signed-off-by: Andi Shyti
> > > ---
> > > drivers/gpu/drm/i915/gt/
On Thu, Mar 3, 2022 at 1:45 PM Geert Uytterhoeven
wrote:
>
> It does not make sense to have a comma after a sentinel, as any new
> elements must be added before the sentinel.
agreed, thanks for taking care of this!
> Signed-off-by: Geert Uytterhoeven
> ---
> drivers/gpu/drm/bridge/nwl-dsi.c |
Refactor and simplify various parts of the memory management. This
includes locking, initialization and finalizer functions, and code
organization.
Tested on Atom N2800 hardware.
Thomas Zimmermann (10):
drm/gma500: Remove struct psb_gem_object.npage
drm/gma500: Acquire reservation lock for GE
The GTT init and restore functions contain logic to populate the
GTT entries. Move the code into helper functions.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gtt.c | 115 +--
1 file changed, 68 insertions(+), 47 deletions(-)
diff --git a/drivers/
Acquire the GTT mutex in psb_gtt_{insert,remove}_pages(). Remove
locking from callers. Also remove the GTT locking around the resume
code. Resume does not run concurrently with other GTT operations.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gem.c | 11 ++-
drivers/gpu/d
The semaphore at struct psb_mmu_driver.sem protects access to the MMU
fields. Additional locking with struct psb_gtt.sem is unnecessary. Remove
the field and related code.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gtt.c | 7 ---
drivers/gpu/drm/gma500/gtt.h | 1 -
d
Inline psb_gtt_restore() into its only caller in power.c.
Perform the GTT restoration in psb_gem_mm_resume(). The restoration
step is part of GEM anyway and will be moved over at some point.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gtt.c | 15 ++-
drivers/gpu/dr
Calculate the number of pages in the BO's backing storage from
the size. Remove the npage field.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gem.c | 9 +
drivers/gpu/drm/gma500/gem.h | 1 -
drivers/gpu/drm/gma500/gma_display.c | 8 +++-
3 files changed
Protect concurrent access to struct psb_gem_object by acquiring
the GEM object's reservation lock; as it's supposed to be. The
use of the GTT mutex can now be moved into GTT code.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gem.c | 12
1 file changed, 12 insertions(+
The current implementation of psb_gtt_init() also does resume
handling. Move the resume code into its own helper.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gtt.c | 122 ++-
drivers/gpu/drm/gma500/gtt.h | 2 +-
drivers/gpu/drm/gma500/psb_drv
The GTT init, fini and resume functions contain both, GTT and GEM,
code. Split each into a separate GTT and a GEM function. The GEM
code is responsible for mmap_mutex and the stolen memory area. The
rest of the functionality is left in GTT functions.
Signed-off-by: Thomas Zimmermann
---
drivers/
Move GEM functions from gtt.c to gem.c. Adapt some names. No
functional changes.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gem.c | 133 +++
drivers/gpu/drm/gma500/gem.h | 12 +++
drivers/gpu/drm/gma500/gtt.c | 127 +--
Replace psb_gtt_takedown() with finalizer function that is only called
for unloading the driver. Use roll-back pattern for error handling in
psb_gtt_init() and _resume(). Also fixes a bug where vmap_addr was never
unmapped.
Signed-off-by: Thomas Zimmermann
---
drivers/gpu/drm/gma500/gtt.c |
On Sun, Mar 06, 2022 at 07:02:57PM +0200, Jarkko Sakkinen wrote:
> So can I conclude from this that in general having populate available for
> device memory is something horrid, or just the implementation path?
You haven't even attempted to explain what the problem is you're trying
to solve. You'
Hi Andrzej,
[...]
> > +bool is_object_gt(struct kobject *kobj)
> > +{
> > + return !strncmp(kobj->name, "gt", 2);
> > +}
>
> It looks quite fragile, at the moment I do not have better idea:) maybe
> after reviewing the rest of the patches.
yeah... it's not pretty, I agree, but I couldn't come
Now with 100% less documentation. (See v7 notes.)
This is John/Rodrigo's 2 patches with some changes. There are various
changes suggested by Michal in John's "fetch" patch. The table
terminology was also changed to "blob" as requested by Joonas.
Dropped these 2 patches (which were in v1-v6):
* "
From: Rodrigo Vivi
In this interface i915 is returning a blob of data which it receives
from the guc software. This blob provides some useful data about the
hardware for drivers. The format of this blob will be documented in
the Programmer Reference Manuals when released.
Cc: Tvrtko Ursulin
Cc:
From: John Harrison
Implement support for fetching the hardware description table from the
GuC. The call is made twice - once without a destination buffer to
query the size and then a second time to fill in the buffer.
The table is stored in the GT structure so that it can be fetched once
at dri
On Sun, 6 Mar 2022 05:26:55 +0200 Jarkko Sakkinen wrote:
> Sometimes you might want to use MAP_POPULATE to ask a device driver to
> initialize the device memory in some specific manner. SGX driver can use
> this to request more memory by issuing ENCLS[EAUG] x86 opcode for each
> page in the addr
On 3/6/22 15:24, Andrew Morton wrote:
> On Sun, 6 Mar 2022 05:26:55 +0200 Jarkko Sakkinen wrote:
>
>> Sometimes you might want to use MAP_POPULATE to ask a device driver to
>> initialize the device memory in some specific manner. SGX driver can use
>> this to request more memory by issuing ENCLS
On Mon, 2022-02-07 at 13:46 +0800, Liu Ying wrote:
> If the CRTC state is already inactive, it doesn't make sense to trigger
> the entry timer for self refresh work to make the display enter self
> refresh mode, because the disabled CRTC hints that either the entire
> display pipeline is disabled o
On Sat, Mar 05, 2022 at 03:05:23PM +, Joel Fernandes wrote:
> On Sat, Mar 05, 2022 at 11:15:38PM +0900, Byungchul Park wrote:
> > Almost all you've been blaming at Dept are totally non-sense. Based on
> > what you're saying, I'm conviced that you don't understand how Dept
> > works even 1%. You
On Sun, Mar 06, 2022 at 07:13:30PM +0200, Laurent Pinchart wrote:
> Hello Xin,
>
> (Question for Rob below, and I'm afraid this is urgent as we need to
> merge a fix in v5.17).
>
> On Fri, Nov 05, 2021 at 11:19:03AM +0800, Xin Ji wrote:
> > The basic anx7625 driver only support MIPI DSI rx signal
Hello Xin,
On Mon, Mar 07, 2022 at 11:22:48AM +0800, Xin Ji wrote:
> On Sun, Mar 06, 2022 at 07:13:30PM +0200, Laurent Pinchart wrote:
> > Hello Xin,
> >
> > (Question for Rob below, and I'm afraid this is urgent as we need to
> > merge a fix in v5.17).
> >
> > On Fri, Nov 05, 2021 at 11:19:03AM
On Mon, Mar 07, 2022 at 05:30:09AM +0200, Laurent Pinchart wrote:
> Hello Xin,
>
> On Mon, Mar 07, 2022 at 11:22:48AM +0800, Xin Ji wrote:
> > On Sun, Mar 06, 2022 at 07:13:30PM +0200, Laurent Pinchart wrote:
> > > Hello Xin,
> > >
> > > (Question for Rob below, and I'm afraid this is urgent as w
Hello Xin,
On Mon, Mar 07, 2022 at 12:32:49PM +0800, Xin Ji wrote:
> On Mon, Mar 07, 2022 at 05:30:09AM +0200, Laurent Pinchart wrote:
> > On Mon, Mar 07, 2022 at 11:22:48AM +0800, Xin Ji wrote:
> > > On Sun, Mar 06, 2022 at 07:13:30PM +0200, Laurent Pinchart wrote:
> > > > Hello Xin,
> > > >
> >
On Mon, Mar 07, 2022 at 06:47:44AM +0200, Laurent Pinchart wrote:
> Hello Xin,
>
> On Mon, Mar 07, 2022 at 12:32:49PM +0800, Xin Ji wrote:
> > On Mon, Mar 07, 2022 at 05:30:09AM +0200, Laurent Pinchart wrote:
> > > On Mon, Mar 07, 2022 at 11:22:48AM +0800, Xin Ji wrote:
> > > > On Sun, Mar 06, 202
Hello Xin,
On Mon, Mar 07, 2022 at 01:09:45PM +0800, Xin Ji wrote:
> On Mon, Mar 07, 2022 at 06:47:44AM +0200, Laurent Pinchart wrote:
> > On Mon, Mar 07, 2022 at 12:32:49PM +0800, Xin Ji wrote:
> > > On Mon, Mar 07, 2022 at 05:30:09AM +0200, Laurent Pinchart wrote:
> > > > On Mon, Mar 07, 2022 at
On Mon, Mar 7, 2022 at 1:09 PM Xin Ji wrote:
>
> On Mon, Mar 07, 2022 at 06:47:44AM +0200, Laurent Pinchart wrote:
> > Hello Xin,
> >
> > On Mon, Mar 07, 2022 at 12:32:49PM +0800, Xin Ji wrote:
> > > On Mon, Mar 07, 2022 at 05:30:09AM +0200, Laurent Pinchart wrote:
> > > > On Mon, Mar 07, 2022 at
On Mon, Mar 07, 2022 at 01:17:44PM +0800, Hsin-Yi Wang wrote:
> On Mon, Mar 7, 2022 at 1:09 PM Xin Ji wrote:
> >
> > On Mon, Mar 07, 2022 at 06:47:44AM +0200, Laurent Pinchart wrote:
> > > Hello Xin,
> > >
> > > On Mon, Mar 07, 2022 at 12:32:49PM +0800, Xin Ji wrote:
> > > > On Mon, Mar 07, 2022 a
On Sun, Mar 06, 2022 at 07:13:30PM +0200, Laurent Pinchart wrote:
> Hello Xin,
>
> (Question for Rob below, and I'm afraid this is urgent as we need to
> merge a fix in v5.17).
>
> On Fri, Nov 05, 2021 at 11:19:03AM +0800, Xin Ji wrote:
> > The basic anx7625 driver only support MIPI DSI rx signal
[CCing Dave and Daniel]
Hi, this is your Linux kernel regression tracker.
On 23.02.22 20:06, Thomas Zimmermann wrote:
> Am 23.02.22 um 17:11 schrieb Doug Anderson:
>> On Tue, Feb 22, 2022 at 1:31 AM Geert Uytterhoeven
>> wrote:
>>> On Tue, Feb 8, 2022 at 10:39 AM Geert Uytterhoeven
>>> wrote:
>
On Sun, Mar 06, 2022 at 08:59:13PM +0300, Dmitry Osipenko wrote:
> 22.12.2021 22:30, Dmitry Osipenko пишет:
> > 20.12.2021 13:48, Thierry Reding пишет:
> >> From: Thierry Reding
> >>
> >> Move the eDP panel on Venice 2 and Nyan boards into the corresponding
> >> AUX bus device tree node. This allo
50 matches
Mail list logo
