XLibre/xf86-video-amdgpu
1
0
Fork 0
mirror of https://github.com/X11Libre/xf86-video-amdgpu.git synced 2026-03-24 01:24:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

glamor: Reallocate linear pixmap BO if necessary for DRI2 PRIME

Browse Source 
Fixes corruption when using DRI2 PRIME render offloading with the master
screen using this driver.

Reported-by: Qiang Yu <qiang.yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Qiang Yu <qiang.yu@amd.com>
This commit is contained in:
Michel Dänzer
2016-06-08 16:27:33 +09:00
committed by Michel Dänzer
parent 5518bf5d79
commit 0007c2f018
1 changed files with 21 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/amdgpu_glamor.c
View File

@@ -327,10 +327,31 @@ amdgpu_glamor_share_pixmap_backing(PixmapPtr pixmap, ScreenPtr slave,
void **handle_p)
{
ScreenPtr screen = pixmap->drawable.pScreen;
uint64_t tiling_info;
CARD16 stride;
CARD32 size;
int fd;
tiling_info = amdgpu_pixmap_get_tiling_info(pixmap);
if (AMDGPU_TILING_GET(tiling_info, ARRAY_MODE) != 0) {
PixmapPtr linear;
/* We don't want to re-allocate the screen pixmap as
* linear, to avoid trouble with page flipping
*/
if (screen->GetScreenPixmap(screen) == pixmap)
return FALSE;
linear = screen->CreatePixmap(screen, pixmap->drawable.width,
pixmap->drawable.height,
pixmap->drawable.depth,
CREATE_PIXMAP_USAGE_SHARED);
if (!linear)
return FALSE;
amdgpu_glamor_set_pixmap_bo(&pixmap->drawable, linear);
}
fd = glamor_fd_from_pixmap(screen, pixmap, &stride, &size);
if (fd < 0)
return FALSE;