Use the common pipe_screen ref counting and fd hashing functions for
vc4. This is necessary to only create a single pipe_screen for a
process and avoid multiple imports of same prime fd.
Cc: Eric Anholt <e...@anholt.net>
Signed-off-by: Rob Herring <r...@kernel.org>
---
src/gallium/winsys/vc4/drm/vc4_drm_winsys.c | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
b/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
index b2ffa90fe19e..51c6414ad848 100644
--- a/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
+++ b/src/gallium/winsys/vc4/drm/vc4_drm_winsys.c
@@ -27,15 +27,32 @@
#include "renderonly/renderonly.h"
#include "vc4_drm_public.h"
#include "vc4/vc4_screen.h"
+#include "util/u_screen.h"
struct pipe_screen *
vc4_drm_screen_create(int fd)
{
- return vc4_screen_create(fcntl(fd, F_DUPFD_CLOEXEC, 3), NULL);
+ int dupfd;
+ struct pipe_screen *pscreen = pipe_screen_reference(fd);
+ if (pscreen)
+ return pscreen;
+
+ dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
+ pscreen = vc4_screen_create(dupfd, NULL);
+ pipe_screen_reference_init(pscreen, dupfd);
+ return pscreen;
}
struct pipe_screen *
vc4_drm_screen_create_renderonly(struct renderonly *ro)
{
- return vc4_screen_create(fcntl(ro->gpu_fd, F_DUPFD_CLOEXEC, 3), ro);
+ int dupfd;
+ struct pipe_screen *pscreen = pipe_screen_reference(ro->gpu_fd);
+ if (pscreen)
+ return pscreen;
+
+ dupfd = fcntl(ro->gpu_fd, F_DUPFD_CLOEXEC, 3);
+ pscreen = vc4_screen_create(dupfd, ro);
+ pipe_screen_reference_init(pscreen, dupfd);
+ return pscreen;
}
--
2.11.0
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