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present: Wait for GPU idle before setting modes for unflip

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To make sure the screen pixmap contents are up to date when it starts
being scanned out.

(Ported from radeon commit 244d4bc7f8c8f6bc90f49556c0b9344c8aa40295)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2017-03-03 16:26:26 +09:00
committed by Michel Dänzer
parent 012ffffb45
commit f6a3c87c30
1 changed files with 1 additions and 0 deletions
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src/amdgpu_present.c
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@@ -378,6 +378,7 @@ modeset:
old_fb_id = info->drmmode.fb_id;
info->drmmode.fb_id = 0;
amdgpu_glamor_finish(scrn);
for (i = 0; i < config->num_crtc; i++) {
xf86CrtcPtr crtc = config->crtc[i];
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;