From 9ed05e2520f77a11f73d21bccfe149b2b800082c Mon Sep 17 00:00:00 2001 From: Stefan Schake Date: Wed, 25 Apr 2018 00:00:58 +0200 Subject: [PATCH] broadcom/vc4: Detect syncobj support 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 Reviewed-by: Eric Anholt --- 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 81c8049..5476b8c 100644 --- a/src/gallium/drivers/vc4/vc4_screen.c +++ b/src/gallium/drivers/vc4/vc4_screen.c @@ -659,7 +659,9 @@ 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; @@ -695,6 +697,10 @@ 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