Update XY_COLOR_BLT command for Broadwell.
v2: stash devid and remove ugly double allocation. (by Chris).
v3: fix inverted blt command size and stash fd, devid and intel_gen.
v4: improved len calculation and noop between blt commands. (by Chris).
Cc: Chris Wilson ch...@chris-wilson.co.uk>
Signed-off-by: Rodrigo Vivi <rodrigo.v...@gmail.com>
---
tests/gem_gtt_hog.c | 52 +++++++++++++++++++++++++++++++++-------------------
1 file changed, 33 insertions(+), 19 deletions(-)
diff --git a/tests/gem_gtt_hog.c b/tests/gem_gtt_hog.c
index 53cd7eb..cf5b0e2 100644
--- a/tests/gem_gtt_hog.c
+++ b/tests/gem_gtt_hog.c
@@ -44,20 +44,26 @@
static const uint32_t canary = 0xdeadbeef;
+typedef struct data {
+ int fd;
+ int devid;
+ int intel_gen;
+} data_t;
+
static double elapsed(const struct timeval *start,
const struct timeval *end)
{
return 1e6*(end->tv_sec - start->tv_sec) + (end->tv_usec -
start->tv_usec);
}
-static void busy(int fd, uint32_t handle, int size, int loops)
+static void busy(data_t *data, uint32_t handle, int size, int loops)
{
struct drm_i915_gem_relocation_entry reloc[20];
struct drm_i915_gem_exec_object2 gem_exec[2];
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_pwrite gem_pwrite;
struct drm_i915_gem_create create;
- uint32_t buf[122], *b;
+ uint32_t buf[170], *b;
int i;
memset(reloc, 0, sizeof(reloc));
@@ -66,7 +72,8 @@ static void busy(int fd, uint32_t handle, int size, int loops)
b = buf;
for (i = 0; i < 20; i++) {
- *b++ = XY_COLOR_BLT_CMD_NOLEN | 4 |
+ *b++ = XY_COLOR_BLT_CMD_NOLEN |
+ ((data->intel_gen >= 8) ? 5 : 4) |
COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB;
*b++ = 0xf0 << 16 | 1 << 25 | 1 << 24 | 4096;
*b++ = 0;
@@ -76,66 +83,68 @@ static void busy(int fd, uint32_t handle, int size, int
loops)
reloc[i].read_domains = I915_GEM_DOMAIN_RENDER;
reloc[i].write_domain = I915_GEM_DOMAIN_RENDER;
*b++ = 0;
+ if (data->intel_gen >= 8)
+ *b++ = 0;
*b++ = canary;
}
*b++ = MI_BATCH_BUFFER_END;
- *b++ = 0;
+ if ((b - buf) & 1)
+ *b++ = 0;
gem_exec[0].handle = handle;
gem_exec[0].flags = EXEC_OBJECT_NEEDS_FENCE;
create.handle = 0;
create.size = 4096;
- drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
+ drmIoctl(data->fd, DRM_IOCTL_I915_GEM_CREATE, &create);
gem_exec[1].handle = create.handle;
gem_exec[1].relocation_count = 20;
gem_exec[1].relocs_ptr = (uintptr_t)reloc;
execbuf.buffers_ptr = (uintptr_t)gem_exec;
execbuf.buffer_count = 2;
- execbuf.batch_len = sizeof(buf);
+ execbuf.batch_len = (b - buf) * sizeof(buf[0]);
execbuf.flags = 1 << 11;
- if (HAS_BLT_RING(intel_get_drm_devid(fd)))
+ if (HAS_BLT_RING(data->devid))
execbuf.flags |= I915_EXEC_BLT;
gem_pwrite.handle = gem_exec[1].handle;
gem_pwrite.offset = 0;
- gem_pwrite.size = sizeof(buf);
+ gem_pwrite.size = execbuf.batch_len;
gem_pwrite.data_ptr = (uintptr_t)buf;
- if (drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &gem_pwrite) == 0) {
+ if (drmIoctl(data->fd, DRM_IOCTL_I915_GEM_PWRITE, &gem_pwrite) == 0) {
while (loops--)
- drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf);
+ drmIoctl(data->fd, DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf);
}
- drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &create.handle);
+ drmIoctl(data->fd, DRM_IOCTL_GEM_CLOSE, &create.handle);
}
-static void run(int child)
+static void run(data_t *data, int child)
{
const int size = 4096 * (256 + child * child);
const int tiling = child % 2;
const int write = child % 2;
- int fd = drm_open_any();
- uint32_t handle = gem_create(fd, size);
+ uint32_t handle = gem_create(data->fd, size);
uint32_t *ptr;
uint32_t x;
igt_assert(handle);
if (tiling != I915_TILING_NONE)
- gem_set_tiling(fd, handle, tiling, 4096);
+ gem_set_tiling(data->fd, handle, tiling, 4096);
/* load up the unfaulted bo */
- busy(fd, handle, size, 100);
+ busy(data, handle, size, 100);
/* Note that we ignore the API and rely on the implict
* set-to-gtt-domain within the fault handler.
*/
if (write) {
- ptr = gem_mmap(fd, handle, size, PROT_READ | PROT_WRITE);
+ ptr = gem_mmap(data->fd, handle, size, PROT_READ | PROT_WRITE);
ptr[rand() % (size / 4)] = canary;
} else
- ptr = gem_mmap(fd, handle, size, PROT_READ);
+ ptr = gem_mmap(data->fd, handle, size, PROT_READ);
x = ptr[rand() % (size / 4)];
munmap(ptr, size);
@@ -147,15 +156,20 @@ igt_simple_main
{
struct timeval start, end;
pid_t children[64];
+ data_t data = {};
int n;
igt_skip_on_simulation();
+ data.fd = drm_open_any();
+ data.devid = intel_get_drm_devid(data.fd);
+ data.intel_gen = intel_gen(data.devid);
+
gettimeofday(&start, NULL);
for (n = 0; n < ARRAY_SIZE(children); n++) {
switch ((children[n] = fork())) {
case -1: igt_assert(0);
- case 0: run(n); break;
+ case 0: run(&data, n); break;
default: break;
}
}
--
1.8.3.1
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