Note that radeonsi can override the GPU family for which shaders are
compiled with an environment variable (SI_FORCE_FAMILY). Maybe you could
achieve even more than what this patch does in a similar way.
This option is fine as well of course.
Reviewed-by: Nicolai Hähnle <[email protected]>
On 12.09.2016 23:27, Samuel Pitoiset wrote:
When multiple GPUs are plugged in the same box, we might want to
use /dev/dri/renderD129 without updating/compiling the code. This
doesn't change the existing behaviour.
---
run.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/run.c b/run.c
index c7f0be6..408049f 100644
--- a/run.c
+++ b/run.c
@@ -301,7 +301,7 @@ const struct platform platforms[] = {
void print_usage(const char *prog_name)
{
fprintf(stderr,
- "Usage: %s [-p <platform>] <directories and *.shader_test files>\n"
+ "Usage: %s [-d <device>] [-p <platform>] <directories and *.shader_test
files>\n"
"Other options: \n"
" -1 Disable multi-threading\n",
prog_name);
@@ -323,12 +323,24 @@ static void addenv(const char *name, const char *value)
int
main(int argc, char **argv)
{
+ char device_path[64];
+ int device_id = 0;
int opt;
max_threads = omp_get_max_threads();
- while((opt = getopt(argc, argv, "1p:")) != -1) {
+ while((opt = getopt(argc, argv, "1d:p:")) != -1) {
switch(opt) {
+ case 'd': {
+ char *endptr;
+
+ device_id = strtol(optarg, &endptr, 10);
+ if (endptr == optarg) {
+ fprintf(stderr, "Invalid device ID.\n");
+ return -1;
+ }
+ break;
+ }
case 'p': {
const struct platform *platform = NULL;
for (unsigned i = 0; i < ARRAY_SIZE(platforms); i++) {
@@ -386,9 +398,12 @@ main(int argc, char **argv)
int ret = 0;
- int fd = open("/dev/dri/renderD128", O_RDWR);
+ snprintf(device_path, sizeof(device_path),
+ "/dev/dri/renderD%d", device_id + 128);
+
+ int fd = open(device_path, O_RDWR);
if (unlikely(fd < 0)) {
- fprintf(stderr, "ERROR: Couldn't open /dev/dri/renderD128\n");
+ fprintf(stderr, "ERROR: Couldn't open %s\n", device_path);
return -1;
}
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