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Simplify drmmode_handle_transform

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Set crtc->driverIsPerformingTransform for any case we can handle before
calling xf86CrtcRotate. We already clear it afterwards when the latter
clears crtc->transform_in_use.

This should allow our separate scanout buffer mechanism to be used in
more cases.

(Cherry picked from amdgpu commit 8e544b4a0de6717feb4abf00052d57c5b726b5ce)
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2018-07-10 18:52:08 +02:00 • committed by Michel Dänzer
commit e9d2d14948
1 changed files with 1 additions and 5 deletions
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6
src/drmmode_display.c
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@ -669,13 +669,9 @@ drmmode_handle_transform(xf86CrtcPtr crtc)
Bool ret;
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,15,99,903,0)
if (crtc->transformPresent || crtc->rotation != RR_Rotate_0)
crtc->driverIsPerformingTransform = XF86DriverTransformOutput;
else
crtc->driverIsPerformingTransform = XF86DriverTransformNone;
crtc->driverIsPerformingTransform = XF86DriverTransformOutput;
#else
crtc->driverIsPerformingTransform = !crtc->transformPresent &&
crtc->rotation != RR_Rotate_0 &&
(crtc->rotation & 0xf) == RR_Rotate_0;
#endif