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ecore-drm2: Support multiple gpus during vblank 

Summary:
When we try to calculate a drm vblank type, we should take into
account the output's pipe value which is used to determine if we are
using multiple gpus (if so, we need to use the high_crtc_mask.

Reviewers: ManMower

Reviewed By: ManMower

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D7803
This commit is contained in:
Christopher Michael 2019-01-28 14:45:23 -05:00
parent 497acc6722
commit 9dedaddf2d
1 changed files with 15 additions and 0 deletions
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15
src/lib/ecore_drm2/ecore_drm2_outputs.c
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@ -925,6 +925,20 @@ _output_destroy(Ecore_Drm2_Device *dev EINA_UNUSED, Ecore_Drm2_Output *output)
free(output);
}
/* this function is used to indicate if we are in a multi-gpu situation
* and need to calculate vblank sync with high crtc mask */
static unsigned int
_output_vblank_pipe(Ecore_Drm2_Output *output)
{
if (output->pipe > 1)
return ((output->pipe << DRM_VBLANK_HIGH_CRTC_SHIFT) &
DRM_VBLANK_HIGH_CRTC_MASK);
else if (output->pipe > 0)
return DRM_VBLANK_SECONDARY;
else
return 0;
}
EAPI Eina_Bool
ecore_drm2_outputs_create(Ecore_Drm2_Device *device)
{
@ -1619,6 +1633,7 @@ ecore_drm2_output_blanktime_get(Ecore_Drm2_Output *output, int sequence, long *s
memset(&v, 0, sizeof(v));
v.request.type = DRM_VBLANK_RELATIVE;
v.request.type |= _output_vblank_pipe(output);
v.request.sequence = sequence;
ret = sym_drmWaitVBlank(output->fd, &v);
success = (ret == 0) && (v.reply.tval_sec > 0 || v.reply.tval_usec > 0);