Mesa (master): broadcom/vc5: Don't forget to get the BO offset when opening a dmabuf.
Eric Anholt
anholt at kemper.freedesktop.org
Sat Jan 27 08:41:12 UTC 2018
Module: Mesa
Branch: master
Commit: e5a81ac70431502bc592c05e4ae639c0504ec816
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e5a81ac70431502bc592c05e4ae639c0504ec816
Author: Eric Anholt <eric at anholt.net>
Date: Wed Jan 24 14:23:01 2018 +1100
broadcom/vc5: Don't forget to get the BO offset when opening a dmabuf.
Fixes black display in DRI due to storing to 0x00000000.
---
src/gallium/drivers/vc5/vc5_bufmgr.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/gallium/drivers/vc5/vc5_bufmgr.c b/src/gallium/drivers/vc5/vc5_bufmgr.c
index c6c06dcfda..5e068400fd 100644
--- a/src/gallium/drivers/vc5/vc5_bufmgr.c
+++ b/src/gallium/drivers/vc5/vc5_bufmgr.c
@@ -348,6 +348,18 @@ vc5_bo_open_handle(struct vc5_screen *screen,
bo->name = "winsys";
bo->private = false;
+ struct drm_vc5_get_bo_offset get = {
+ .handle = handle,
+ };
+ int ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_GET_BO_OFFSET, &get);
+ if (ret) {
+ fprintf(stderr, "Failed to get BO offset: %s\n",
+ strerror(errno));
+ free(bo);
+ return NULL;
+ }
+ bo->offset = get.offset;
+
#ifdef USE_VC5_SIMULATOR
vc5_simulator_open_from_handle(screen->fd, winsys_stride,
bo->handle, bo->size);
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