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Fix amdgpu_scanout_extents_intersect for GPU screens

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Fixes incorrect screen updates with TearFree enabled on PRIME slave
outputs which are not located at (0, 0).

(Ported from radeon commit a995f5830916a0fee5126263d1bfe48632be3a15)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2016-11-30 16:25:52 +09:00
committed by Michel Dänzer
parent 082b6b8ca1
commit 0f79c30619
1 changed files with 15 additions and 5 deletions
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20
src/amdgpu_kms.c
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@@ -300,11 +300,21 @@ static Bool AMDGPUCreateScreenResources_KMS(ScreenPtr pScreen)
static Bool
amdgpu_scanout_extents_intersect(xf86CrtcPtr xf86_crtc, BoxPtr extents)
{
extents->x1 -= xf86_crtc->filter_width >> 1;
extents->x2 += xf86_crtc->filter_width >> 1;
extents->y1 -= xf86_crtc->filter_height >> 1;
extents->y2 += xf86_crtc->filter_height >> 1;
pixman_f_transform_bounds(&xf86_crtc->f_framebuffer_to_crtc, extents);
#ifdef AMDGPU_PIXMAP_SHARING
if (xf86_crtc->scrn->is_gpu) {
extents->x1 -= xf86_crtc->x;
extents->y1 -= xf86_crtc->y;
extents->x2 -= xf86_crtc->x;
extents->y2 -= xf86_crtc->y;
} else
#endif
{
extents->x1 -= xf86_crtc->filter_width >> 1;
extents->x2 += xf86_crtc->filter_width >> 1;
extents->y1 -= xf86_crtc->filter_height >> 1;
extents->y2 += xf86_crtc->filter_height >> 1;
pixman_f_transform_bounds(&xf86_crtc->f_framebuffer_to_crtc, extents);
}
extents->x1 = max(extents->x1, 0);
extents->y1 = max(extents->y1, 0);