Op 17-01-17 om 02:12 schreef Laurent Pinchart:
> Hi Maarten,
>
> Thank you for the patch.
>
> I don't think you need the "v2" at the end of the subject line.
>
> On Monday 16 Jan 2017 10:37:43 Maarten Lankhorst wrote:
>> This is a straightforward conversion that converts all the users of
>> get_existing_state in atomic core to use get_old_state or get_new_state
>>
>> Changes since v1:
>> - Fix using the wrong state in
>> drm_atomic_helper_update_legacy_modeset_state.
>>
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/drm_atomic.c | 6 +++---
>> drivers/gpu/drm/drm_atomic_helper.c | 39 +++++++++++++++------------------
>> drivers/gpu/drm/drm_blend.c | 3 +--
>> 3 files changed, 22 insertions(+), 26 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
>> index 7b61e0da9ace..6428e9469607 100644
>> --- a/drivers/gpu/drm/drm_atomic.c
>> +++ b/drivers/gpu/drm/drm_atomic.c
> [snip]
>
>> @@ -1835,7 +1832,7 @@ drm_atomic_helper_commit_planes_on_crtc(struct
>> drm_crtc_state *old_crtc_state)
>>
>> drm_for_each_plane_mask(plane, crtc->dev, plane_mask) {
>> struct drm_plane_state *old_plane_state =
>> - drm_atomic_get_existing_plane_state(old_state, plane);
>> + drm_atomic_get_old_plane_state(old_state, plane);
> I believe this change to be correct, but given that the function is called
> after state swap, didn't it use the new state before this patch ?
get_existing_state returns the old state after swap.
But the call to drm_atomic_plane_disabling is confusing to me. I'm changing
the function to pass old and new plane state, which should make it easier to understand.
Cheers,
~Maarten
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