Hi Thomas,
Thanks for you reminder. The comment you mentioned is added in 2014 for
AST2400 rev 0x20, which means MMIO is not enable by default before that
revision. I will send another patch to handle it.
On 2023/4/18 下午 03:24, Thomas Zimmermann wrote:
Hi
Am 18.04.23 um 03:23 schrieb Jammy
Hi
Am 18.04.23 um 03:23 schrieb Jammy Huang:
Hi Thomas,
The Intel(x86) CPUs have a separate address space for "IO", but the ARM
architecture only has "memory", so all IO devices are accessed as if
they were memory. Which means ARM does not support isolated IO. Here is
a related discussion on
Hi Thomas,
The Intel(x86) CPUs have a separate address space for "IO", but the ARM
architecture only has "memory", so all IO devices are accessed as if
they were memory. Which means ARM does not support isolated IO. Here is
a related discussion on ARM's forum.
https://community.arm.com/suppo
Hi
Am 07.04.23 um 04:09 schrieb Jammy Huang:
Hi Thomas,
Could you help review this patch??
We met some problem on nvidia's ARM platfrom and need this patch to fix it.
On 2023/3/2 上午 10:19, Jammy Huang wrote:
ARM architecture only has 'memory', so all devices are accessed by MMIO.
Signed-off
Hi Thomas,
Could you help review this patch??
We met some problem on nvidia's ARM platfrom and need this patch to fix it.
On 2023/3/2 上午 10:19, Jammy Huang wrote:
ARM architecture only has 'memory', so all devices are accessed by MMIO.
Signed-off-by: Jammy Huang
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drivers/gpu/drm/ast/ast
