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broadcom/vc4: Detect syncobj support

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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 <stschake@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Stefan Schake 2018-04-25 00:00:58 +02:00 • committed by Eric Anholt
parent 4fc0ebdff5
commit 9ed05e2520
2 changed files with 7 additions and 0 deletions
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6
src/gallium/drivers/vc4/vc4_screen.c
View file

@ -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;

1
src/gallium/drivers/vc4/vc4_screen.h
View file

@ -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;
};