@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/amdgpu: New debugfs interface for MMIO registers
(v5)
If there are two threads using the same fd, I don't see anything that
prevent this order
set_state (T1) // State1
set_state (T2) // State2
read (T1
To: StDenis, Tom; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/amdgpu: New debugfs interface for MMIO registers
(v5)
Does that really need a lock? Can't local variables solve it?
Thanks,
Lijo
On 8/26/2021 5:52 PM, StDenis, Tom wrote:
> [AMD Official Use Only]
>
> The issue i
: [PATCH] drm/amd/amdgpu: New debugfs interface for MMIO registers
(v5)
If there are two threads using the same fd, I don't see anything that
prevent this order
set_state (T1) // State1
set_state (T2) // State2
read (T1)
write (T2)
If there are separate fds, I guess
is fine.
Tom
From: Lazar, Lijo
Sent: Thursday, August 26, 2021 08:19
To: StDenis, Tom; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/amdgpu: New debugfs interface for MMIO registers
(v5)
If there are two threads using the same fd, I don't
: Re: [PATCH] drm/amd/amdgpu: New debugfs interface for MMIO registers
(v5)
On 8/25/2021 10:56 PM, Tom St Denis wrote:
This new debugfs interface uses an IOCTL interface in order to pass
along state information like SRBM and GRBM bank switching. This
new interface also allows a full 32-bit MMIO
is the
only likely user of this it's still ideal to avoid potential race conditions as
a matter of correctness.
Tom
From: Lazar, Lijo
Sent: Thursday, August 26, 2021 08:12
To: StDenis, Tom; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/amdgpu: New
On 8/25/2021 10:56 PM, Tom St Denis wrote:
This new debugfs interface uses an IOCTL interface in order to pass
along state information like SRBM and GRBM bank switching. This
new interface also allows a full 32-bit MMIO address range which
the previous didn't. With this new design we have
Am 25.08.21 um 19:26 schrieb Tom St Denis:
This new debugfs interface uses an IOCTL interface in order to pass
along state information like SRBM and GRBM bank switching. This
new interface also allows a full 32-bit MMIO address range which
the previous didn't. With this new design we have
This new debugfs interface uses an IOCTL interface in order to pass
along state information like SRBM and GRBM bank switching. This
new interface also allows a full 32-bit MMIO address range which
the previous didn't. With this new design we have room to grow
the flexibility of the file as need