Displaying 2 results from an estimated 2 matches for "wait_for_vblank".
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__wait_for_vblank
2017 Jan 18
1
[PATCH 3/4] drm/amd/display: Switch to using atomic_helper for flip.
...ge_flip hook implementation), and drm_crtc_vblank_put must be called
> when the flip completes and the event is sent to userspace. How is this
> supposed to be handled with atomic?
First let me ask you - why we have to enable vlbank as part of pflip,
I understand why it has to be enbbled in WAIT_FOR_VBLANK IOCTL
but not sure about PFLIP IOCTL.
IMHO in atomic as before in legacy page_flip, it's up to the driver
implementation in atomic_commit hook to manage vblank ISR on,off.
>
> Andrey, did you check via code audit and/or testing that the vblank
> reference count is still balance...
2017 Jan 16
4
[PATCH 3/4] drm/amd/display: Switch to using atomic_helper for flip.
Hi Andrey,
Thank you for the patch.
On Monday 16 Jan 2017 10:44:57 Andrey Grodzovsky wrote:
> Change-Id: Iad3e0b9b3546e4e4dc79be9233daf4fe4dba83e0
> Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
> ---
> .../drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 92 ++----------------
> 1 file changed, 6 insertions(+), 86 deletions(-)
>
> diff --git