[PATCH libdrm 2/3] amdgpu: A new option to choose which device to run most tests

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This can be used to test multiple GPUs

Signed-off-by: Alex Xie <AlexBin.Xie at amd.com>
---
 tests/amdgpu/amdgpu_test.c | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/tests/amdgpu/amdgpu_test.c b/tests/amdgpu/amdgpu_test.c
index e42ef9d..2437db4 100644
--- a/tests/amdgpu/amdgpu_test.c
+++ b/tests/amdgpu/amdgpu_test.c
@@ -108,12 +108,14 @@ static void display_test_suites(void)
 
 
 /** Help string for command line parameters */
-static const char usage[] = "Usage: %s [-hl] [<-s <suite id>> [-t <test id>]]\n"
-				"where:\n"
-				"       l - Display all suites and their tests\n"
-				"       h - Display this help\n";
+static const char usage[] =
+	"Usage: %s [-hl] [<-s <suite id>> [-t <test id>]] [-d <device_id>]\n"
+	"where:\n"
+	"       l - Display all suites and their tests\n"
+	"       d - Choose which device to run tests\n"
+	"       h - Display this help\n";
 /** Specified options strings for getopt */
-static const char options[]   = "hls:t:";
+static const char options[]   = "hls:t:d:";
 
 /* Open AMD devices.
  * Return the number of AMD device openned.
@@ -238,6 +240,7 @@ int main(int argc, char **argv)
 	int i = 0;
 	int suite_id = -1;	/* By default run everything */
 	int test_id  = -1;	/* By default run all tests in the suite */
+	int device_id = 0;	/* By default run most tests on device 0 */
 	CU_pSuite pSuite = NULL;
 	CU_pTest  pTest  = NULL;
 
@@ -266,6 +269,9 @@ int main(int argc, char **argv)
 		case 't':
 			test_id = atoi(optarg);
 			break;
+		case 'd':
+			device_id = atoi(optarg);
+			break;
 		case '?':
 		case 'h':
 			fprintf(stderr, usage, argv[0]);
@@ -283,6 +289,15 @@ int main(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	}
 
+	if (device_id) {
+		/* Most tests run on device 0.
+		 * Swap the chosen device to device 0.
+		 */
+		i = drm_amdgpu[0];
+		drm_amdgpu[0] = drm_amdgpu[device_id];
+		drm_amdgpu[device_id] = i;
+	}
+
 	amdgpu_print_devices();
 
 	/* Initialize test suites to run */
-- 
2.7.4



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