diff options
Diffstat (limited to 'lib/drmtest.c')
| -rw-r--r-- | lib/drmtest.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/drmtest.c b/lib/drmtest.c index d2aa1c19..35914c50 100644 --- a/lib/drmtest.c +++ b/lib/drmtest.c @@ -123,6 +123,31 @@ static bool has_known_intel_chipset(int fd) return true; } +static char _forced_driver[16] = ""; + +/** + * __set_forced_driver: + * @name: name of driver to forcibly use + * + * Set the name of a driver to use when calling #drm_open_driver with + * the #DRIVER_ANY flag. + */ +void __set_forced_driver(const char *name) +{ + if (!name) + igt_warn("No driver specified, keep default behaviour\n"); + + strncpy(_forced_driver, name, sizeof(_forced_driver) - 1); +} + +static const char *forced_driver(void) +{ + if (_forced_driver[0]) + return _forced_driver; + + return NULL; +} + #define LOCAL_I915_EXEC_VEBOX (4 << 0) /** * gem_quiescent_gpu: @@ -212,6 +237,7 @@ static const struct module { static int open_device(const char *name, unsigned int chipset) { + const char *forced; char dev_name[16] = ""; int chip = DRIVER_ANY; int fd; @@ -223,6 +249,12 @@ static int open_device(const char *name, unsigned int chipset) if (__get_drm_device_name(fd, dev_name, sizeof(dev_name) - 1) == -1) goto err; + forced = forced_driver(); + if (forced && chipset == DRIVER_ANY && !strcmp(forced, dev_name)) { + igt_debug("Force option used: Using driver %s\n", dev_name); + return fd; + } + for (int start = 0, end = ARRAY_SIZE(modules) - 1; start < end; ){ int mid = start + (end - start) / 2; int ret = strcmp(modules[mid].module, dev_name); |