We need to know if the kernel supports syncobj submission since otherwise
all the DRM syncobj calls fail.
v2: Use drmGetCap to detect syncobj support (Eric)
Signed-off-by: Stefan Schake <stsch...@gmail.com>
---
src/gallium/drivers/vc4/vc4_screen.c | 6 ++++++
src/gallium/drivers/vc4/vc4_screen.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/src/gallium/drivers/vc4/vc4_screen.c
b/src/gallium/drivers/vc4/vc4_screen.c
index cead71b..45cbae9 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -648,7 +648,9 @@ struct pipe_screen *
vc4_screen_create(int fd, struct renderonly *ro)
{
struct vc4_screen *screen = rzalloc(NULL, struct vc4_screen);
+ uint64_t syncobj_cap = 0;
struct pipe_screen *pscreen;
+ int err;
pscreen = &screen->base;
@@ -684,6 +686,10 @@ vc4_screen_create(int fd, struct renderonly *ro)
screen->has_perfmon_ioctl =
vc4_has_feature(screen, DRM_VC4_PARAM_SUPPORTS_PERFMON);
+ err = drmGetCap(fd, DRM_CAP_SYNCOBJ, &syncobj_cap);
+ if (err == 0 && syncobj_cap)
+ screen->has_syncobj = true;
+
if (!vc4_get_chip_info(screen))
goto fail;
diff --git a/src/gallium/drivers/vc4/vc4_screen.h
b/src/gallium/drivers/vc4/vc4_screen.h
index 0b88442..438e90a 100644
--- a/src/gallium/drivers/vc4/vc4_screen.h
+++ b/src/gallium/drivers/vc4/vc4_screen.h
@@ -98,6 +98,7 @@ struct vc4_screen {
bool has_madvise;
bool has_tiling_ioctl;
bool has_perfmon_ioctl;
+ bool has_syncobj;
struct vc4_simulator_file *sim_file;
};
--
2.7.4
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