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gem_close_race: Tidy up call to execbuffer

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Pass the right pointer to the execlist would be a good start.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2013-10-29 08:38:30 +00:00
parent 7b8784dccf
commit 51783fc7f9
1 changed files with 13 additions and 22 deletions
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35
tests/gem_close_race.c
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@ -46,13 +46,14 @@
#define BLT_WRITE_ALPHA (1<<21) #define BLT_WRITE_ALPHA (1<<21)
#define BLT_WRITE_RGB (1<<20) #define BLT_WRITE_RGB (1<<20)
static char device[80];
static void selfcopy(int fd, uint32_t handle) static void selfcopy(int fd, uint32_t handle)
{ {
struct drm_i915_gem_relocation_entry reloc[2]; struct drm_i915_gem_relocation_entry reloc[2];
struct drm_i915_gem_exec_object2 gem_exec[2]; struct drm_i915_gem_exec_object2 gem_exec[2];
struct drm_i915_gem_execbuffer2 execbuf; struct drm_i915_gem_execbuffer2 execbuf;
uint32_t buf[10]; uint32_t buf[10];
uint32_t batch;
memset(reloc, 0, sizeof(reloc)); memset(reloc, 0, sizeof(reloc));
memset(gem_exec, 0, sizeof(gem_exec)); memset(gem_exec, 0, sizeof(gem_exec));
@ -64,35 +65,30 @@ static void selfcopy(int fd, uint32_t handle)
buf[3] = 1024 << 16 | 1024; buf[3] = 1024 << 16 | 1024;
buf[4] = 0; buf[4] = 0;
reloc[0].offset = 4 * sizeof(uint32_t); reloc[0].offset = 4 * sizeof(uint32_t);
reloc[0].delta = 0;
reloc[0].target_handle = handle; reloc[0].target_handle = handle;
reloc[0].read_domains = I915_GEM_DOMAIN_RENDER; reloc[0].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[0].write_domain = I915_GEM_DOMAIN_RENDER; reloc[0].write_domain = I915_GEM_DOMAIN_RENDER;
reloc[0].presumed_offset = 0;
buf[5] = 0; buf[5] = 0;
buf[6] = 4*1024; buf[6] = 4*1024;
buf[7] = 0; buf[7] = 0;
reloc[1].offset = 7 * sizeof(uint32_t); reloc[1].offset = 7 * sizeof(uint32_t);
reloc[1].delta = 0;
reloc[1].target_handle = handle; reloc[1].target_handle = handle;
reloc[1].read_domains = I915_GEM_DOMAIN_RENDER; reloc[1].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[1].write_domain = 0; reloc[1].write_domain = 0;
reloc[1].presumed_offset = 0;
buf[8] = MI_BATCH_BUFFER_END; buf[8] = MI_BATCH_BUFFER_END;
buf[9] = 0; buf[9] = 0;
gem_exec[0].handle = handle; gem_exec[0].handle = handle;
batch = gem_create(fd, 4096); gem_exec[1].handle = gem_create(fd, 4096);
gem_write(fd, batch, 0, buf, sizeof(buf));
gem_exec[1].handle = batch;
gem_exec[1].relocation_count = 2; gem_exec[1].relocation_count = 2;
gem_exec[1].relocs_ptr = (uintptr_t)reloc; gem_exec[1].relocs_ptr = (uintptr_t)reloc;
execbuf.buffers_ptr = (uintptr_t)&gem_exec; gem_write(fd, gem_exec[1].handle, 0, buf, sizeof(buf));
execbuf.buffers_ptr = (uintptr_t)gem_exec;
execbuf.buffer_count = 2; execbuf.buffer_count = 2;
execbuf.batch_len = sizeof(buf); execbuf.batch_len = sizeof(buf);
if (HAS_BLT_RING(intel_get_drm_devid(fd))) if (HAS_BLT_RING(intel_get_drm_devid(fd)))
@ -101,14 +97,6 @@ static void selfcopy(int fd, uint32_t handle)
gem_execbuf(fd, &execbuf); gem_execbuf(fd, &execbuf);
} }
static int open_drm(void)
{
char name[80];
sprintf(name, "/dev/dri/card%d", drm_get_card());
return open(name, O_RDWR);
}
static uint32_t load(int fd) static uint32_t load(int fd)
{ {
uint32_t handle; uint32_t handle;
@ -123,10 +111,10 @@ static uint32_t load(int fd)
static void run(int child) static void run(int child)
{ {
int fd;
uint32_t handle; uint32_t handle;
int fd;
fd = open_drm(); fd = open(device, O_RDWR);
igt_assert(fd != -1); igt_assert(fd != -1);
handle = load(fd); handle = load(fd);
@ -139,10 +127,13 @@ int main(int argc, char *argv[])
igt_skip_on_simulation(); igt_skip_on_simulation();
igt_subtest_init(argc, argv); igt_subtest_init(argc, argv);
igt_subtest("gem-close-race") sprintf(device, "/dev/dri/card%d", drm_get_card());
igt_subtest("gem-close-race") {
igt_fork(child, 100) igt_fork(child, 100)
run(child); run(child);
igt_waitchildren();
}
igt_waitchildren();
igt_exit(); igt_exit();
} }