[PATCH 53/77] drm/amd/display: Use DRM provided page flip flag.

andrey andrey.grodzovsky at amd.com
Fri Sep 1 01:10:19 UTC 2017



On 2017-08-31 08:55 PM, Michel Dänzer wrote:
> On 01/09/17 03:08 AM, Harry Wentland wrote:
>> From: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
>>
>> Starting with 4.12 kernel DRM provides page flip flags so we
>> don't need to have our own copy.
>>
>> Change-Id: I15d8db215001f887c47d16be82df04216f9265c3
>> Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
>> Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
>> ---
>>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++-------
>>   1 file changed, 2 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> index e24c44f6720b..2f2592d8e7d5 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> @@ -3882,7 +3882,7 @@ static void amdgpu_dm_do_flip(
>>   	struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb);
>>   	struct amdgpu_bo *abo = gem_to_amdgpu_bo(afb->obj);
>>   	struct amdgpu_device *adev = crtc->dev->dev_private;
>> -	bool async_flip = (acrtc->flip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
>> +	bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
>>   	struct dc_flip_addrs addr = { {0} };
>>   	/* TODO eliminate or rename surface_update */
>>   	struct dc_surface_update surface_updates[1] = { {0} };
>> @@ -4014,7 +4014,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
>>   			 * TODO Check if it's correct
>>   			 */
>>   			*wait_for_vblank =
>> -				acrtc_attach->flip_flags & DRM_MODE_PAGE_FLIP_ASYNC ?
>> +					pcrtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ?
>>   				false : true;
>>   
>>   			/* TODO: Needs rework for multiplane flip */
>> @@ -4025,11 +4025,6 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
>>   				crtc,
>>   				fb,
>>   				drm_crtc_vblank_count(crtc) + *wait_for_vblank);
>> -
>> -			/*TODO BUG remove ASAP in 4.12 to avoid race between worker and flip IOCTL */
>> -
>> -			/*clean up the flags for next usage*/
>> -			acrtc_attach->flip_flags = 0;
>>   		}
>>   
>>   	}
>>
> Can the acrtc->flip_flags field be removed now? If so, with that,

It was, I guess we missed that change on our private kernel branch, 
Harry can you please check in emails to see a patch about that
>
> Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>
>
>



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