Commit b9fb2c26 authored by Bas Nieuwenhuizen's avatar Bas Nieuwenhuizen

radv: Add startup debug option.

This adds a RADV_DEBUG=startup option to dump more info about
instance creation and device enumeration.

A common question end users have is why the direver is not loading
for them, and this has two common reasons:
1) They did not install the driver.
2) AMDGPU is not used for the card in the kernel.

This adds some info messages so we can easily get a some useful
output from end users.
Reviewed-by: default avatarTimothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: default avatarSamuel Pitoiset <samuel.pitoiset@gmail.com>
parent 38933c11
......@@ -47,6 +47,7 @@ enum {
RADV_DEBUG_NO_OUT_OF_ORDER = 0x20000,
RADV_DEBUG_INFO = 0x40000,
RADV_DEBUG_ERRORS = 0x80000,
RADV_DEBUG_STARTUP = 0x100000,
};
enum {
......
......@@ -227,12 +227,20 @@ radv_physical_device_init(struct radv_physical_device *device,
int fd;
fd = open(path, O_RDWR | O_CLOEXEC);
if (fd < 0)
if (fd < 0) {
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Could not open device '%s'", path);
return vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
}
version = drmGetVersion(fd);
if (!version) {
close(fd);
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Could not get the kernel driver version for device '%s'", path);
return vk_errorf(instance, VK_ERROR_INCOMPATIBLE_DRIVER,
"failed to get version %s: %m", path);
}
......@@ -240,10 +248,17 @@ radv_physical_device_init(struct radv_physical_device *device,
if (strcmp(version->name, "amdgpu")) {
drmFreeVersion(version);
close(fd);
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Device '%s' is not using the amdgpu kernel driver.", path);
return VK_ERROR_INCOMPATIBLE_DRIVER;
}
drmFreeVersion(version);
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Found compatible device '%s'.", path);
device->_loader_data.loaderMagic = ICD_LOADER_MAGIC;
device->instance = instance;
assert(strlen(path) < ARRAY_SIZE(device->path));
......@@ -252,7 +267,7 @@ radv_physical_device_init(struct radv_physical_device *device,
device->ws = radv_amdgpu_winsys_create(fd, instance->debug_flags,
instance->perftest_flags);
if (!device->ws) {
result = VK_ERROR_INCOMPATIBLE_DRIVER;
result = vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
goto fail;
}
......@@ -323,6 +338,7 @@ radv_physical_device_init(struct radv_physical_device *device,
result = radv_init_wsi(device);
if (result != VK_SUCCESS) {
device->ws->destroy(device->ws);
vk_error(instance, result);
goto fail;
}
......@@ -393,6 +409,7 @@ static const struct debug_control radv_debug_options[] = {
{"nooutoforder", RADV_DEBUG_NO_OUT_OF_ORDER},
{"info", RADV_DEBUG_INFO},
{"errors", RADV_DEBUG_ERRORS},
{"startup", RADV_DEBUG_STARTUP},
{NULL, 0}
};
......@@ -488,6 +505,10 @@ VkResult radv_CreateInstance(
instance->perftest_flags = parse_debug_string(getenv("RADV_PERFTEST"),
radv_perftest_options);
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Created an instance");
for (uint32_t i = 0; i < pCreateInfo->enabledExtensionCount; i++) {
const char *ext_name = pCreateInfo->ppEnabledExtensionNames[i];
int index = radv_get_instance_extension_index(ext_name);
......@@ -550,6 +571,10 @@ radv_enumerate_devices(struct radv_instance *instance)
instance->physicalDeviceCount = 0;
max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
if (instance->debug_flags & RADV_DEBUG_STARTUP)
radv_logi("Found %d drm nodes", max_devices);
if (max_devices < 1)
return vk_error(instance, VK_ERROR_INCOMPATIBLE_DRIVER);
......
......@@ -228,6 +228,8 @@ void __radv_finishme(const char *file, int line, const char *format, ...)
radv_printflike(3, 4);
void radv_loge(const char *format, ...) radv_printflike(1, 2);
void radv_loge_v(const char *format, va_list va);
void radv_logi(const char *format, ...) radv_printflike(1, 2);
void radv_logi_v(const char *format, va_list va);
/**
* Print a FINISHME message, including its source location.
......
......@@ -54,6 +54,26 @@ radv_loge_v(const char *format, va_list va)
fprintf(stderr, "\n");
}
/** Log an error message. */
void radv_printflike(1, 2)
radv_logi(const char *format, ...)
{
va_list va;
va_start(va, format);
radv_logi_v(format, va);
va_end(va);
}
/** \see radv_logi() */
void
radv_logi_v(const char *format, va_list va)
{
fprintf(stderr, "radv: info: ");
vfprintf(stderr, format, va);
fprintf(stderr, "\n");
}
void radv_printflike(3, 4)
__radv_finishme(const char *file, int line, const char *format, ...)
{
......
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