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gem_stress: option to use cpu mappings

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This things just won't die (libva!!!), so add an option to test them.

_Not_ meant to test snoopable mappings.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-04-27 22:13:29 +02:00
parent 9bfda1a809
commit b11d67a33b
2 changed files with 56 additions and 4 deletions
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58
tests/gem_stress.c
View File

@ -152,6 +152,24 @@ void keep_gpu_busy(void)
busy_bo, 0, 4096, 0, 128);
}
static void set_to_cpu_domain(struct scratch_buf *buf, int write)
{
struct drm_i915_gem_set_domain set_domain;
int ret;
set_domain.handle = buf->bo->handle;
set_domain.read_domains = I915_GEM_DOMAIN_CPU;
if (write)
set_domain.write_domain = I915_GEM_DOMAIN_CPU;
else
set_domain.write_domain = 0;
ret = drmIoctl(drm_fd,
DRM_IOCTL_I915_GEM_SET_DOMAIN,
&set_domain);
assert(ret == 0);
}
static unsigned int copyfunc_seq = 0;
static void (*copyfunc)(struct scratch_buf *src, unsigned src_x, unsigned src_y,
struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
@ -190,6 +208,12 @@ static void cpu_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y
struct scratch_buf *dst, unsigned dst_x, unsigned dst_y,
unsigned logical_tile_no)
{
if (options.use_cpu_maps) {
set_to_cpu_domain(src, 0);
set_to_cpu_domain(dst, 1);
}
cpucpy2d(src->data, src->stride/sizeof(uint32_t), src_x, src_y,
dst->data, dst->stride/sizeof(uint32_t), dst_x, dst_y,
logical_tile_no);
@ -210,6 +234,9 @@ static void prw_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y
tmp_tile + TILE_SIZE*i);
}
} else {
if (options.use_cpu_maps)
set_to_cpu_domain(src, 0);
cpucpy2d(src->data, src->stride/sizeof(uint32_t), src_x, src_y,
tmp_tile, TILE_SIZE, 0, 0, logical_tile_no);
}
@ -222,6 +249,9 @@ static void prw_copyfunc(struct scratch_buf *src, unsigned src_x, unsigned src_y
tmp_tile + TILE_SIZE*i);
}
} else {
if (options.use_cpu_maps)
set_to_cpu_domain(dst, 1);
cpucpy2d(tmp_tile, TILE_SIZE, 0, 0,
dst->data, dst->stride/sizeof(uint32_t), dst_x, dst_y,
logical_tile_no);
@ -327,6 +357,9 @@ static void fan_out(void)
for (k = 0; k < TILE_SIZE*TILE_SIZE; k++)
tmp_tile[k] = seq++;
if (options.use_cpu_maps)
set_to_cpu_domain(&buffers[current_set][buf_idx], 1);
cpucpy2d(tmp_tile, TILE_SIZE, 0, 0,
buffers[current_set][buf_idx].data,
buffers[current_set][buf_idx].stride / sizeof(uint32_t),
@ -349,6 +382,9 @@ static void fan_in_and_check(void)
tile2xy(&buffers[current_set][buf_idx], tile, &x, &y);
if (options.use_cpu_maps)
set_to_cpu_domain(&buffers[current_set][buf_idx], 0);
cpucpy2d(buffers[current_set][buf_idx].data,
buffers[current_set][buf_idx].stride / sizeof(uint32_t),
x, y,
@ -367,7 +403,10 @@ static void init_buffer(struct scratch_buf *buf, unsigned size)
if (options.no_hw)
buf->data = malloc(size);
else {
drm_intel_gem_bo_map_gtt(buf->bo);
if (options.use_cpu_maps)
drm_intel_bo_map(buf->bo, 1);
else
drm_intel_gem_bo_map_gtt(buf->bo);
buf->data = buf->bo->virtual;
}
@ -561,7 +600,8 @@ static void parse_options(int argc, char **argv)
{"trace-tile", 1, 0, 't'},
{"disable-render", 0, 0, 'r'},
{"untiled", 0, 0, 'u'},
{"x-tiled", 0, 0, 'x'}
{"x-tiled", 0, 0, 'x'},
{"use-cpu-maps", 0, 0, 'm'}
};
options.scratch_buf_size = 256*4096;
@ -571,8 +611,9 @@ static void parse_options(int argc, char **argv)
options.trace_tile = -1;
options.use_render = 1;
options.forced_tiling = -1;
options.use_cpu_maps = 0;
while((c = getopt_long(argc, argv, "ns:g:c:t:rux",
while((c = getopt_long(argc, argv, "ds:g:c:t:ruxm",
long_options, &option_index)) != -1) {
switch(c) {
case 'd':
@ -617,7 +658,16 @@ static void parse_options(int argc, char **argv)
printf("disabling tiling\n");
break;
case 'x':
options.forced_tiling = I915_TILING_X;
if (options.use_cpu_maps) {
printf("tiling not possible with cpu maps\n");
} else {
options.forced_tiling = I915_TILING_X;
printf("using only X-tiling\n");
}
break;
case 'm':
options.use_cpu_maps = 1;
options.forced_tiling = I915_TILING_NONE;
printf("using only X-tiling\n");
break;
default:

2
tests/gem_stress.h
View File

@ -21,6 +21,7 @@ struct scratch_buf {
uint32_t stride;
uint32_t tiling;
uint32_t *data;
uint32_t *cpu_mapping;
unsigned num_tiles;
};
@ -32,6 +33,7 @@ struct option_struct {
int gpu_busy_load;
int use_render;
int forced_tiling;
int use_cpu_maps;
};
extern struct option_struct options;