the driver would also allow us to use dev_err_probe(). But as a point
fix this patch is fine and correct. Thanks!
> Signed-off-by: Chris Morgan
Reviewed-by: Steven Price
I'll apply this to drm-misc-next.
Thanks,
Steve
> ---
> drivers/gpu/drm/panfrost/panfrost_devfreq.c |
On 22/04/2021 09:14, Claire Chang wrote:
Add the initialization function to create restricted DMA pools from
matching reserved-memory nodes.
Signed-off-by: Claire Chang
---
include/linux/device.h | 4 +++
include/linux/swiotlb.h | 3 +-
kernel/dma/swiotlb.c| 80 ++
On 26/04/2021 17:37, Claire Chang wrote:
On Fri, Apr 23, 2021 at 7:34 PM Steven Price wrote:
[...]
But even then if it's not and we have the situation where debugfs==NULL
then the debugfs_create_dir() here will cause a subsequent attempt in
swiotlb_create_debugfs() to fail (directory al
a
bigger issue with it being completely wrong when size == ~0 (see below).
> Signed-off-by: Alyssa Rosenzweig
> Reported-and-tested-by: Chris Morgan
> Cc:
However, I've confirmed this returns the same values and is certainly
more simple, so:
Reviewed-by: Steven Price
> ---
&
anfrost: Add initial panfrost driver")
Reviewed-by: Steven Price
Steve
> ---
> drivers/gpu/drm/panfrost/panfrost_mmu.c | 12 ++--
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c
> b/drivers/gpu/drm/pa
larger than the 4k page size. Add a
> hardware definition for the minimum lock region size (corresponding to
> KBASE_LOCK_REGION_MIN_SIZE_LOG2 in kbase) and respect it.
>
> Signed-off-by: Alyssa Rosenzweig
> Tested-by: Chris Morgan
> Cc:
Reviewed-by: Steven Price
> ---
&g
On 23 August 2021 22:09:08 BST, Alyssa Rosenzweig wrote:
>> > In lock_region, simplify the calculation of the region_width parameter.
>> > This field is the size, but encoded as log2(ceil(size)) - 1.
>> > log2(ceil(size)) may be computed directly as fls(size - 1). However, we
>> > want to use the
On 23 August 2021 22:11:09 BST, Alyssa Rosenzweig wrote:
>> > Mali virtual addresses are 48-bit. Use a u64 instead of size_t to ensure
>> > we can express the "lock everything" condition as ~0ULL without relying
>> > on platform-specific behaviour.
>>
>> 'platform-specific behaviour' makes it sou
On 23 August 2021 22:13:45 BST, Alyssa Rosenzweig wrote:
>> > When locking a region, we currently clamp to a PAGE_SIZE as the minimum
>> > lock region. While this is valid for Midgard, it is invalid for Bifrost,
>>
>> While the spec does seem to state it's invalid for Bifrost - kbase
>> didn't bo
gt;
> The new form of the calculation corrects this special case and avoids
> the undefined behaviour.
>
> Signed-off-by: Alyssa Rosenzweig
> Reported-and-tested-by: Chris Morgan
> Fixes: f3ba91228e8e ("drm/panfrost: Add initial panfrost driver")
> Cc:
ng the 4GB boundary) requires locking
*at least* 0x-0x2 (i.e. locking the first 8GB).
This appears to be broken in kbase (which actually does zero out the low
bits of the address) - I've raised a bug internally so hopefully someone
will tell me if I've read the spec completely w
GPU_PERFCNT_BASE_HI, upper_32_bits(gpuva));
gpu_write(pfdev, GPU_INT_CLEAR,
GPU_IRQ_CLEAN_CACHES_COMPLETED |
GPU_IRQ_PERFCNT_SAMPLE_COMPLETED);
---8<--
With that squashed in:
Reviewed-by: Steven Price
Thanks,
Steve
> ---
> drivers/gpu/drm/panfrost/
On 25/08/2021 15:07, Alyssa Rosenzweig wrote:
>>> In practice, the current callers pass PAGE_SIZE aligned inputs, avoiding
>>> the bug. Therefore this doesn't need to be backported. Still, that's a
>>> happy accident and not a precondition of lock_region, so we let's do the
>>> right thing to futur
ly "creative" way of writing upper_32_bits.
>
> v2: Use helpers for one more call site and add review tag (Steven).
>
> Signed-off-by: Alyssa Rosenzweig
> Reviewed-by: Rob Herring (v1)
> Reviewed-by: Steven Price
Pushed to drm-misc-next
Thanks,
Steve
> ---
On 15/03/2021 05:23, Zhang, Jack (Jian) wrote:
[AMD Public Use]
Hi, Rob/Tomeu/Steven,
Would you please help to review this patch for panfrost driver?
Thanks,
Jack Zhang
-Original Message-
From: Jack Zhang
Sent: Monday, March 15, 2021 1:21 PM
To: dri-devel@lists.freedesktop.org; amd-.
n top of struct drm_sched_job. So there may be scope for cleaning
up Panfrost afterwards even if your work doesn't directly affect it.
Thanks,
Steve
Best,
Jack
-Original Message-----
From: Steven Price
Sent: Monday, March 22, 2021 11:29 PM
To: Zhang, Jack (Jian) ;
thout taking care of those constraints.
Disable devfreq for now on those GPUs.
Signed-off-by: Nicolas Boichat
Reviewed-by: Tomeu Vizoso
Thanks for the clarification in the commit message.
Reviewed-by: Steven Price
---
(no changes since v9)
Changes in v9:
- Explain why devfreq needs
On 13/01/2021 06:07, Nicolas Boichat wrote:
Add support for MT8183's G72 Bifrost.
Signed-off-by: Nicolas Boichat
Reviewed-by: Tomeu Vizoso
LGTM
Reviewed-by: Steven Price
---
(no changes since v7)
Changes in v7:
- Fix GPU ID in commit message
Changes in v6:
- Context conf
On 18/01/2021 14:20, carsten.haitz...@foss.arm.com wrote:
From: Carsten Haitzler
Another issue found by KASAN. The bit finding is bueried inside the
NIT: s/bueried/buried/
dp_for_each_set_bit() macro (that passes on to for_each_set_bit() that
calls the bit stuff. These bit functions want an
: Christian Gmeiner
Cc: Qiang Yu
Cc: Rob Herring
Cc: Tomeu Vizoso
Cc: Steven Price
Cc: Alyssa Rosenzweig
Cc: Eric Anholt
Reported-by: kernel test robot
Signed-off-by: Luben Tuikov
Acked-by: Steven Price
___
dri-devel mailing list
dri-dev
On 21/01/2021 12:22, Carsten Haitzler wrote:
On 1/20/21 3:44 PM, Steven Price wrote:
On 18/01/2021 14:20, carsten.haitz...@foss.arm.com wrote:
From: Carsten Haitzler
Another issue found by KASAN. The bit finding is bueried inside the
NIT: s/bueried/buried/
Yup. typo not spotted by me
% threshold more easily (AFAICT kbase
uses the default 90/5 thresholds), but this seems like a reasonable
change for now.
Reviewed-by: Steven Price
Thanks,
Steve
[1] When I get some time I need to rework the "queue jobs on the
hardware"[2] patch I posted ages ago. Last time it actua
On 22/01/2021 10:11, Lukasz Luba wrote:
On 1/21/21 5:15 PM, Daniel Lezcano wrote:
On 21/01/2021 18:04, Lukasz Luba wrote:
The simple_ondemand devfreq governor uses two thresholds to decide about
the frequency change: upthreshold, downdifferential. These two tunable
change the behavior of the
On 22/01/2021 10:00, Lukasz Luba wrote:
On 1/22/21 8:21 AM, Steven Price wrote:
On 21/01/2021 17:04, Lukasz Luba wrote:
The simple_ondemand devfreq governor uses two thresholds to decide about
the frequency change: upthreshold, downdifferential. These two tunable
change the behavior of the
NIT: This is the second version of this patch so should have "[PATCH
v2]" in the subject.
On 27/01/2021 12:34, carsten.haitz...@foss.arm.com wrote:
From: Carsten Haitzler
Another issue found by KASAN. The bit finding is buried inside the
dp_for_each_set_bit() macro (that passes on to for_each
: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon
Good catch (although this oddly rings a bell - so perhaps it was me you
discussed it with before)
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 4 ++-
("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c
b/drive
Back-to-back MMU faults should (hopefully) be
fairly uncommon.
Regardless:
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c
b/drivers/gpu/drm/panfrost/panfrost_mmu
On 01/02/2021 12:59, Boris Brezillon wrote:
On Mon, 1 Feb 2021 12:13:49 +
Steven Price wrote:
On 01/02/2021 08:21, Boris Brezillon wrote:
Doing a hw-irq -> threaded-irq round-trip is counter-productive, stay
in the threaded irq handler as long as we can.
Signed-off-by: Boris Brezil
On 03/02/2021 14:45, Rob Herring wrote:
On Mon, Feb 1, 2021 at 2:21 AM Boris Brezillon
wrote:
Doing a hw-irq -> threaded-irq round-trip is counter-productive, stay
in the threaded irq handler as long as we can.
Signed-off-by: Boris Brezillon
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 7
want an unsigned long pointer
as input and just dumbly casting leads to out-of-bounds accesses.
This fixes that.
Signed-off-by: Carsten Haitzler
Looks fine to me:
Reviewed-by: Steven Price
---
.../drm/arm/display/include/malidp_utils.h| 3 ---
.../drm/arm/display/komeda
On 05/02/2021 11:17, Boris Brezillon wrote:
Doing a hw-irq -> threaded-irq round-trip is counter-productive, stay
in the threaded irq handler as long as we can.
v2:
* Rework the loop to avoid a goto
Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfr
On 17/02/2021 16:59, Neil Roberts wrote:
When mmapping the shmem, it would previously adjust the pgoff in the
vm_area_struct to remove the fake offset that is added to be able to
identify the buffer. This patch removes the adjustment and makes the
fault handler use the vm_fault address to calcula
On 18/02/2021 15:45, Alyssa Rosenzweig wrote:
Yeah plus Cc: stable for backporting and I think an igt or similar for
panfrost to check this works correctly would be pretty good too. Since
if it took us over 1 year to notice this bug it's pretty clear that
normal testing doesn't catch this. So ver
On 18/02/2021 16:38, Rob Herring wrote:
On Thu, Feb 18, 2021 at 10:15 AM Steven Price wrote:
On 18/02/2021 15:45, Alyssa Rosenzweig wrote:
Yeah plus Cc: stable for backporting and I think an igt or similar for
panfrost to check this works correctly would be pretty good too. Since
if it took
On 18/02/2021 18:20, Daniel Vetter wrote:
On Thu, Feb 18, 2021 at 6:16 PM Rob Herring wrote:
On Thu, Feb 18, 2021 at 10:51 AM Steven Price wrote:
On 18/02/2021 16:38, Rob Herring wrote:
On Thu, Feb 18, 2021 at 10:15 AM Steven Price wrote:
On 18/02/2021 15:45, Alyssa Rosenzweig wrote
On 19/02/2021 15:13, Daniel Vetter wrote:
On Fri, Feb 19, 2021 at 01:36:06PM +, Steven Price wrote:
On 18/02/2021 18:20, Daniel Vetter wrote:
On Thu, Feb 18, 2021 at 6:16 PM Rob Herring wrote:
On Thu, Feb 18, 2021 at 10:51 AM Steven Price wrote:
On 18/02/2021 16:38, Rob Herring wrote
purge helpers")
Signed-off-by: Neil Roberts
Reviewed-by: Steven Price
---
drivers/gpu/drm/drm_gem_shmem_helper.c | 18 ++
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c
b/drivers/gpu/drm/drm_gem_shmem_help
from other buffers
v2: Don't check whether the unsigned page_offset is less than 0.
Cc: sta...@vger.kernel.org
Fixes: 17acb9f35ed7 ("drm/shmem: Add madvise state and purge helpers")
Signed-off-by: Neil Roberts
Reviewed-by: Steven Price
---
drivers/gpu/drm/drm_gem
On 04/03/2021 12:50, Daniel Lezcano wrote:
Currently the default behavior is to manually having the devfreq
backend to register themselves as a devfreq cooling device.
There are no so many and actually it makes more sense to register the
devfreq device when adding it.
Consequently, every devfre
On 23/02/2021 15:51, Neil Roberts wrote:
These two patches fix a problem with the madvise purging code for the
shmem helpers where the mmaping for a purged buffer wouldn't get
invalidated correctly. This presumably ends up as a security hole
where the mapping can be accessed from user-space to re
el Lezcano
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfrost/panfrost_devfreq.c | 14 +-
drivers/gpu/drm/panfrost/panfrost_devfreq.h | 3 ---
2 files changed, 1 insertion(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
b/drivers/gpu/dr
On 11/03/2021 09:25, Boris Brezillon wrote:
Hello,
I've been playing with Vulkan lately and struggled quite a bit to
implement VkQueueSubmit with the submit ioctl we have. There are
several limiting factors that can be worked around if we really have to,
but I think it'd be much easier and futur
On 11/05/2021 07:29, Zou Wei wrote:
pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
Reported-by: Hulk Robot
Signed-off-by
or to return a failure code from panfrost_job_hw_submit() and
report the failure back to the DRM scheduler. This means there's no need
to wait for the scheduler to timeout on the job and the failure can be
handled immediately.
Signed-off-by: Steven Price
---
This hopefully will also stop future
printing here to simplify code and reduce the
binary size.
Reported-by: Hulk Robot
Signed-off-by: Zhen Lei
Reviewed-by: Steven Price
I'll push to drm-misc-next.
Thanks,
Steve
---
drivers/gpu/drm/panfrost/panfrost_device.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gp
On 14/05/2021 15:48, Neil Armstrong wrote:
> On 13/05/2021 16:55, Ezequiel Garcia wrote:
>> Hi Neil,
>>
>> On Mon, 26 Apr 2021 at 06:59, Neil Armstrong wrote:
>>>
>>> Hi,
>>>
>>> On 21/04/2021 07:28, Nicolas Boichat wrote:
Hi!
This is just a rebase of the v11, untested (but it seems
eap allocations")
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/panfrost_mmu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c
> b/drivers/gpu/drm/panfrost/panfrost_mmu
On 25/11/2020 03:17, Luben Tuikov wrote:
The job timeout handler now returns status
indicating back to the DRM layer whether the job
was successfully cancelled or whether more time
should be given to the job to complete.
I'm not sure I understand in what circumstances you would want to give
th
On 25/11/2020 03:17, Luben Tuikov wrote:
Add a "done" list to which all completed jobs are added
to be freed. The drm_sched_job_done() callback is the
producer of jobs to this list.
Add a "done" thread which consumes from the done list
and frees up jobs. Now, the main scheduler thread only
pushe
On 25/11/2020 11:15, Lucas Stach wrote:
Am Mittwoch, den 25.11.2020, 11:04 + schrieb Steven Price:
On 25/11/2020 03:17, Luben Tuikov wrote:
The job timeout handler now returns status
indicating back to the DRM layer whether the job
was successfully cancelled or whether more time
should be
y: Robin Murphy
LGTM
Reviewed-by: Steven Price
---
Reviewing the Mediatek TLB optimisation patches just left me thinking
"why do we even have this?"... Panfrost folks, this has zero functional
impact to you, merely wants an ack for straying outside drivers/iommu.
Robin.
driver
On 27/11/2020 09:44, Qinglang Miao wrote:
pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to putting operation will result in a
reference leak here.
A new function pm_runtime_resume_and_get is introduced in
[0] to keep usage counter balanced. So We fix the referenc
On 27/11/2020 11:00, carsten.haitz...@foss.arm.com wrote:
From: Carsten Haitzler
ret is not actually read after this (only written in one case then
returned), so this assign line is useless. This removes that assignment.
Signed-off-by: Carsten Haitzler
Reviewed-by: Steven Price
)
+ if (!old_st ||
+ memcmp(&(to_compiz_st(old_st)->cins[idx]), cin, sizeof(*cin)))
c_st->changed_active_inputs |= BIT(idx);
Even better, you can move the WARN_ON into the if:
if (WARN_ON(!old_st) || ...
Either way:
Reviewed-by
Herring
Cc: Tomeu Vizoso
Cc: Steven Price
Cc: Alyssa Rosenzweig
Cc: Eric Anholt
Reported-by: kernel test robot
This reported-by seems a little odd for this patch.
Signed-off-by: Luben Tuikov
---
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 6 +++--
drivers/gpu/drm/etnaviv/etnaviv_sched
-by: Boris Brezillon
> ---
> drivers/gpu/drm/panfrost/panfrost_device.h | 7
> drivers/gpu/drm/panfrost/panfrost_job.c| 42 ++
> 2 files changed, 43 insertions(+), 6 deletions(-)
The panfrost_exception_is_fault() makes the code much more readable -
thanks!
Rev
On 30/06/2021 07:27, Boris Brezillon wrote:
> From: Steven Price
>
> The hardware has a set of '_NEXT' registers that can hold a second job
> while the first is executing. Make use of these registers to enqueue a
> second job per slot.
>
> v5:
> * Fix a comm
the case if devfreq is active.
>
> Let's pick a significantly bigger timeout value (1ms -> 100ms) to be on
> the safe side.
>
> v5:
> * New patch
>
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/panfrost_mmu.c |
On 29/06/2021 04:04, Chunyou Tang wrote:
> Hi Steve,
> thinks for your reply.
> I set the pte in arm_lpae_prot_to_pte(),
> ***
> /*
>* Also Mali has its own notions of shareability wherein its
> Inner
>
ch}_object_fences()
Otherwise:
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/panfrost_job.c | 22 --
> 1 file changed, 8 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c
> b/drivers/gpu/drm/panfrost/panfrost_job.c
On 01/07/2021 10:12, Boris Brezillon wrote:
> So we can re-use it from elsewhere.
>
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/panfrost_drv.c | 52 ++---
> 1 file changed, 29 insertions(+), 23 deletions(-)
access flags will be introduced.
>
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/panfrost_drv.c | 9 +
> drivers/gpu/drm/panfrost/panfrost_job.c | 23 +++
> drivers/gpu/drm/panfrost/panfrost_jo
On 01/07/2021 10:12, Boris Brezillon wrote:
> Needed to keep VkQueues isolated from each other.
>
> Signed-off-by: Boris Brezillon
My Vulkan knowledge is limited so I'm not sure whether this is the right
approach or not. In particular is it correct that an application can
create a high priority
On 01/07/2021 10:12, Boris Brezillon wrote:
> We now have a new ioctl that allows submitting multiple jobs at once
> (among other things) and we support timelined syncobjs. Bump the
> minor version number to reflect those changes.
>
> Signed-off-by: Boris Brezillon
Reviewed-b
On 01/07/2021 10:12, Boris Brezillon wrote:
> This should help limit the number of ioctls when submitting multiple
> jobs. The new ioctl also supports syncobj timelines and BO access flags.
>
> Signed-off-by: Boris Brezillon
The new ioctl looks reasonable, but I think there's a lot of scope for
On 01/07/2021 10:12, Boris Brezillon wrote:
> Now that we have a new SUBMIT ioctl dealing with timelined syncojbs we
Typo: s/syncojbs/syncobjs/
> can advertise the feature.
>
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/
On 01/07/2021 10:12, Boris Brezillon wrote:
> Needed to keep VkQueues isolated from each other.
One more comment I noticed when I tried this out:
[...]
> +struct panfrost_submitqueue *
> +panfrost_submitqueue_create(struct panfrost_file_priv *ctx,
> + enum panfrost_submitq
On 02/07/2021 11:43, Boris Brezillon wrote:
> On Fri, 2 Jul 2021 10:56:29 +0100
> Steven Price wrote:
>
>> On 01/07/2021 10:12, Boris Brezillon wrote:
>>> Needed to keep VkQueues isolated from each other.
>>>
>>> Signed-off-by: Boris Brezillon
>&
On 02/07/2021 11:52, Boris Brezillon wrote:
> On Fri, 2 Jul 2021 11:08:58 +0100
> Steven Price wrote:
>
>> On 01/07/2021 10:12, Boris Brezillon wrote:
>>> Needed to keep VkQueues isolated from each other.
>>
>> One more comment I noticed when I tri
On 02/07/2021 15:32, Boris Brezillon wrote:
> Needed to keep VkQueues isolated from each other.
>
> v3:
> * Limit the number of submitqueue per context to 16
> * Fix a deadlock
>
> Signed-off-by: Boris Brezillon
16 ought to be enough for anyone ;)
Reviewed-by: Steven Pri
On 02/07/2021 15:32, Boris Brezillon wrote:
> This should help limit the number of ioctls when submitting multiple
> jobs. The new ioctl also supports syncobj timelines and BO access flags.
>
> v3:
> * Re-use panfrost_get_job_bos() and panfrost_get_job_in_syncs() in the
> old submit path
>
> Si
On 02/07/2021 19:11, Boris Brezillon wrote:
> On Fri, 2 Jul 2021 12:49:55 -0400
> Alyssa Rosenzweig wrote:
>
```
> #define PANFROST_BO_REF_EXCLUSIVE0x1
> +#define PANFROST_BO_REF_NO_IMPLICIT_DEP 0x2
```
This seems logically backwards. NO_IMPLICIT_DEP ma
On 05/07/2021 09:43, Boris Brezillon wrote:
> Hi Steven,
>
> On Mon, 5 Jul 2021 09:22:39 +0100
> Steven Price wrote:
>
>> On 02/07/2021 19:11, Boris Brezillon wrote:
>>> On Fri, 2 Jul 2021 12:49:55 -0400
>>> Alyssa Rosenzweig wrote:
a deadlock
>
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
> ---
> drivers/gpu/drm/panfrost/Makefile | 3 +-
> drivers/gpu/drm/panfrost/panfrost_device.h| 2 +-
> drivers/gpu/drm/panfrost/panfrost_drv.c | 69 -
> dri
On 05/07/2021 09:29, Boris Brezillon wrote:
> This should help limit the number of ioctls when submitting multiple
> jobs. The new ioctl also supports syncobj timelines and BO access flags.
>
> v4:
> * Implement panfrost_ioctl_submit() as a wrapper around
> panfrost_submit_job()
> * Replace stri
es were
applied in the kernel.
I think we'd need some input from the people who did the hardware
integration, and hopefully they would have access to the proprietary
driver from Arm.
Steve
> Thinks very much!
>
> Chunyou.
>
>
> ?? Thu, 1 Jul 2021 11:15:1
On 06/07/2021 13:48, Alyssa Rosenzweig wrote:
>> My concern is if we ever find a security bug which requires new
>> information/behaviour in the submit ABI to properly fix. In this case it
>> would be appropriate to backport a 'feature' (bug fix) which provides a
>> new ABI but it would need to be
in-fences as dependencies.
>
> v2: Correctly clean up the partially set up job, now that job_init()
> and job_arm() are apart (Emma).
>
> Reviewed-by: Steven Price (v1)
v2/v3 are also:
Reviewed-by: Steven Price
Thanks,
Steve
> Signed-off-by: Daniel Vetter
> Cc: Rob H
f the register value
> to custom,so it's better fault_status don't (& 0xFF).
>
> Signed-off-by: ChunyouTang
Reviewed-by: Steven Price
Boris's change has actually modified panfrost_exception_name() to no
longer take pfdev in drm-misc-next. However, I'll just fix th
When bailing out due to the sanity check the iterator value needs to be
freed because the early return prevents for_each_child_of_node() from
doing the dereference itself.
Fixes: 4ee48cc5586b ("drm: of: Fix double-free bug")
Signed-off-by: Steven Price
---
drivers/gpu/drm/drm_of.c |
On 12/07/2021 17:50, Laurent Pinchart wrote:
> Hi Steven,
>
> Thank you for the patch.
>
> On Mon, Jul 12, 2021 at 04:57:58PM +0100, Steven Price wrote:
>> When bailing out due to the sanity check the iterator value needs to be
>> freed because the early return prev
On 12/07/2021 22:55, Laurent Pinchart wrote:
> Hi Steven,
Hi Laurent,
> On Mon, Jul 12, 2021 at 10:31:52PM +0100, Steven Price wrote:
>> On 12/07/2021 17:50, Laurent Pinchart wrote:
>>> On Mon, Jul 12, 2021 at 04:57:58PM +0100, Steven Price wrote:
>>>> When ba
When bailing out due to the sanity check the iterator value needs to be
freed because the early return prevents for_each_child_of_node() from
doing the dereference itself.
Fixes: 6529007522de ("drm: of: Add drm_of_lvds_get_dual_link_pixel_order")
Signed-off-by: Steven Price
---
drive
On 14/07/2021 16:26, Laurent Pinchart wrote:
> Hi Steven,
>
> Thank you for the patch.
>
> On Wed, Jul 14, 2021 at 03:33:00PM +0100, Steven Price wrote:
>> When bailing out due to the sanity check the iterator value needs to be
>> freed because the early return prev
On 03/11/2020 01:48, Yejune Deng wrote:
devm_reset_control_array_get_optional_exclusive() looks more readable
Signed-off-by: Yejune Deng
Reviewed-by: Steven Price
Thanks, I'll push this to drm-misc-next.
Steve
---
drivers/gpu/drm/panfrost/panfrost_device.c | 2 +-
1 file chang
x27;s R-b
v2:
- Use atomic_cmpxchg() to conditionally schedule the reset work (Steven Price)
Fixes: 1a11a88cfd9a ("drm/panfrost: Fix job timeout handling")
Cc:
Signed-off-by: Boris Brezillon
Hi Boris,
A couple of nits below, but otherwise looks good.
---
drivers/gpu/drm/panfrost/panfr
- Simplify panfrost_scheduler_stop() (Steven Price)
- Always restart the queue in panfrost_scheduler_start() even if
the status is corrupted (Steven Price)
v4:
- Rework the logic to prevent a race between drm_sched_start()
(reset work) and drm_sched_job_timedout() (timeout work)
- Drop Steven's R-b
On 06/11/2020 07:03, Viresh Kumar wrote:
The dev_pm_opp_put_*() APIs now accepts a NULL opp_table pointer and so
there is no need for us to carry the extra check. Drop them.
Signed-off-by: Viresh Kumar
Reviewed-by: Steven Price
---
drivers/gpu/drm/panfrost/panfrost_devfreq.c | 6
- Simplify panfrost_scheduler_stop() (Steven Price)
- Always restart the queue in panfrost_scheduler_start() even if
the status is corrupted (Steven Price)
v4:
- Rework the logic to prevent a race between drm_sched_start()
(reset work) and drm_sched_job_timedout() (timeout work)
- Drop Steven's R-b
On 14/03/2022 22:42, Dmitry Osipenko wrote:
> Introduce a common DRM SHMEM shrinker. It allows to reduce code
> duplication among DRM drivers, it also handles complicated lockings
> for the drivers. This is initial version of the shrinker that covers
> basic needs of GPU drivers.
>
> This patch is
On 14/03/2022 22:42, Dmitry Osipenko wrote:
> Replace Panfrost's memory shrinker with a generic DRM memory shrinker.
>
> Signed-off-by: Dmitry Osipenko
> ---
I gave this a spin on my Firefly-RK3288 board and everything seems to
work. So feel free to add a:
Tested-by: Steven
On 18/03/2022 14:41, Dmitry Osipenko wrote:
>
> On 3/17/22 02:04, Dmitry Osipenko wrote:
>>
>> On 3/16/22 18:04, Steven Price wrote:
>>> On 14/03/2022 22:42, Dmitry Osipenko wrote:
>>>> Replace Panfrost's memory shrinker with a generic DRM memory shrink
On 01/03/2022 12:43, t...@redhat.com wrote:
> From: Tom Rix
>
> For spdx
> change tab to space delimiter
> Use // for *.c
>
> Replacements
> commited to committed, use multiline comment style
> regsiters to registers
> initialze to initialize
>
> Signed-off-by: Tom Rix
Thanks, most of the cha
On 02/03/2022 12:45, t...@redhat.com wrote:
> From: Tom Rix
>
> For spdx
> change tab to space delimiter
> Use // for *.c
>
> Replacements
> commited to committed
> regsiters to registers
> initialze to initialize
>
> Signed-off-by: Tom Rix
Reviewed-b
; labels so we don't do the same mistake again.
>
> Fixes: 53516280cc38 ("drm/panfrost: use scheduler dependency tracking")
> Signed-off-by: Boris Brezillon
Reviewed-by: Steven Price
And also unlike last time...
Tested-by: Steven Price
Thanks for the clean up - I should ha
On 31/08/2021 08:53, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
>
> Signed-off-by: Cai Huoqing
Reviewed-by: Steven Price
I'll push this to drm-misc-n
(subtracting 1 from the
end because the end address is exclusive). The start address is then
aligned based on the size (this is technically unnecessary as the
hardware will ignore these bits, but the spec advises to do this "to
avoid confusion").
Signed-off-by: Steven Price
---
See p
On 03/09/2021 09:51, Boris Brezillon wrote:
> On Thu, 2 Sep 2021 15:00:38 +0100
> Steven Price wrote:
>
>> It turns out that when locking a region, the region must be a naturally
>> aligned power of 2. The upshot of this is that if the desired region
>> crosses a
(subtracting 1 from the
end because the end address is exclusive). The start address is then
aligned based on the size (this is technically unnecessary as the
hardware will ignore these bits, but the spec advises to do this "to
avoid confusion").
Reviewed-by: Boris Brezillon
Si
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