Change-Id: I36764951bebbcbf06cf84dd43ee946a34ec7b100
Signed-off-by: Xiaojie Yuan <xiaojie.y...@amd.com>
---
tests/amdgpu/amdgpu_test.c | 44 ++++++++++++++++++++++++++++----------
tests/amdgpu/amdgpu_test.h | 7 +-----
2 files changed, 34 insertions(+), 17 deletions(-)
diff --git a/tests/amdgpu/amdgpu_test.c b/tests/amdgpu/amdgpu_test.c
index 96fcd687..f7ac4ab4 100644
--- a/tests/amdgpu/amdgpu_test.c
+++ b/tests/amdgpu/amdgpu_test.c
@@ -61,7 +61,8 @@
* Open handles for amdgpu devices
*
*/
-int drm_amdgpu[MAX_CARDS_SUPPORTED];
+int *drm_amdgpu;
+size_t num_drm_devices;
/** Open render node to test */
int open_render_node = 0; /* By default run most tests on
primary node */
@@ -238,16 +239,16 @@ static const char options[] = "hlrps:t:b:d:f";
*/
static int amdgpu_open_devices(int open_render_node)
{
- drmDevicePtr devices[MAX_CARDS_SUPPORTED];
+ drmDevicePtr *devices;
int i;
int drm_node;
int amd_index = 0;
int drm_count;
+ int drm_count2;
int fd;
drmVersionPtr version;
- drm_count = drmGetDevices2(0, devices, MAX_CARDS_SUPPORTED);
-
+ drm_count = drmGetDevices2(0, NULL, 0);
if (drm_count < 0) {
fprintf(stderr,
"drmGetDevices2() returned an error %d\n",
@@ -255,6 +256,27 @@ static int amdgpu_open_devices(int
open_render_node)
return 0;
}
+ devices = calloc(drm_count, sizeof(drmDevicePtr));
+ if (!devices) {
+ goto end;
+ }
+
+ drm_amdgpu = calloc(drm_count, sizeof(int));
+ if (!drm_amdgpu) {
+ goto end;
+ }
+
+ for (i = 0; i < drm_count; i++)
+ drm_amdgpu[i] = -1;
+
+ drm_count2 = drmGetDevices2(0, devices, drm_count);
+ if (drm_count2 != drm_count) {
+ fprintf(stderr, "number of drm devices changed");
+ goto end;
+ }
+
+ num_drm_devices = drm_count;
+
for (i = 0; i < drm_count; i++) {
/* If this is not PCI device, skip*/
if (devices[i]->bustype != DRM_BUS_PCI)
@@ -302,7 +324,9 @@ static int amdgpu_open_devices(int open_render_node)
amd_index++;
}
+end:
drmFreeDevices(devices, drm_count);
+ free(devices);
return amd_index;
}
@@ -311,9 +335,11 @@ static int amdgpu_open_devices(int
open_render_node)
static void amdgpu_close_devices()
{
int i;
- for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
+ for (i = 0; i < num_drm_devices; i++)
if (drm_amdgpu[i] >=0)
close(drm_amdgpu[i]);
+
+ free(drm_amdgpu);
}
/* Print AMD devices information */
@@ -339,7 +365,7 @@ static void amdgpu_print_devices()
/* Display information of AMD devices */
printf("Devices:\n");
- for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >=0; i++)
+ for (i = 0; i < num_drm_devices && drm_amdgpu[i] >=0; i++)
if (drmGetDevice2(drm_amdgpu[i],
DRM_DEVICE_GET_PCI_REVISION,
&device) == 0) {
@@ -377,7 +403,7 @@ static int amdgpu_find_device(uint8_t bus,
uint16_t dev)
int i;
drmDevicePtr device;
- for (i = 0; i < MAX_CARDS_SUPPORTED && drm_amdgpu[i] >= 0; i++) {
+ for (i = 0; i < num_drm_devices && drm_amdgpu[i] >= 0; i++) {
if (drmGetDevice2(drm_amdgpu[i],
DRM_DEVICE_GET_PCI_REVISION,
&device) == 0) {
@@ -456,10 +482,6 @@ int main(int argc, char **argv)
int display_list = 0;
int force_run = 0;
- for (i = 0; i < MAX_CARDS_SUPPORTED; i++)
- drm_amdgpu[i] = -1;
-
-
/* Parse command line string */
opterr = 0; /* Do not print error messages from getopt */
while ((c = getopt(argc, argv, options)) != -1) {
diff --git a/tests/amdgpu/amdgpu_test.h b/tests/amdgpu/amdgpu_test.h
index 62875736..8a604fe4 100644
--- a/tests/amdgpu/amdgpu_test.h
+++ b/tests/amdgpu/amdgpu_test.h
@@ -27,13 +27,8 @@
#include "amdgpu.h"
#include "amdgpu_drm.h"
-/**
- * Define max. number of card in system which we are able to handle
- */
-#define MAX_CARDS_SUPPORTED 4
-
/* Forward reference for array to keep "drm" handles */
-extern int drm_amdgpu[MAX_CARDS_SUPPORTED];
+extern int *drm_amdgpu;
/* Global variables */
extern int open_render_node;
