As far as I know, we haven't gotten to the arm implementation yet, since
we are trying to get i915 compile for arm without using random ifdefs
and dummy functions.
"Noob question - why is i915 the only driver calling it? Do other GPUs
never need to flush CPU cache?"
Unfortunately I don't hav
On 01/02/2022 15:41, Michael Cheng wrote:
Ah, thanks for the clarification! While discussion goes on about the
route you suggested, could we land these patches (after addressing the
reviews) to unblock compiling i915 on arm?
I am 60-40 to no, since follow up can be hard. I'd prefer a little
Ah, thanks for the clarification! While discussion goes on about the
route you suggested, could we land these patches (after addressing the
reviews) to unblock compiling i915 on arm?
On 2022-02-01 1:25 a.m., Tvrtko Ursulin wrote:
On 31/01/2022 17:02, Michael Cheng wrote:
Hey Tvrtko,
Are you
On 31/01/2022 17:02, Michael Cheng wrote:
Hey Tvrtko,
Are you saying when adding drm_clflush_virt_range(addr, sizeof(addr),
this function forces an x86 code path only? If that is the case,
drm_clflush_virt_range(addr, sizeof(addr) currently has ifdefs that
seperate out x86 and powerpc, so w
Hey Tvrtko,
Are you saying when adding drm_clflush_virt_range(addr, sizeof(addr),
this function forces an x86 code path only? If that is the case,
drm_clflush_virt_range(addr, sizeof(addr) currently has ifdefs that
seperate out x86 and powerpc, so we can add an ifdef for arm in the near
futur
On 28/01/2022 22:10, Michael Cheng wrote:
Use drm_clflush_virt_range instead of clflushopt and remove the memory
barrier, since drm_clflush_virt_range takes care of that.
Signed-off-by: Michael Cheng
---
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 8 +++-
1 file changed, 3 inserti
> -Original Message-
> From: Cheng, Michael
> Sent: Friday, January 28, 2022 2:10 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Cheng, Michael ; Bowman, Casey G
> ; De Marchi, Lucas
> ; Boyer, Wayne ;
> ville.syrj...@linux.intel.com; Kuoppala, Mika ;
> Auld, Matthew
> Subject: [PATCH
Use drm_clflush_virt_range instead of clflushopt and remove the memory
barrier, since drm_clflush_virt_range takes care of that.
Signed-off-by: Michael Cheng
---
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 8 +++-
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu
