[PATCH i-g-t] lib/kms: Handle no connectors for igt_enable_connectors()

[Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>]

Take the device fd from the caller as to which card we should try and
enable connectors for (or else we may not enable the right connectors
for the test!) and fail gracefully if there is no kms support on the
device.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 lib/igt_kms.c                | 10 +++-------
 lib/igt_kms.h                |  2 +-
 tests/kms_flip.c             |  2 +-
 tests/kms_invalid_dotclock.c |  2 +-
 tests/kms_pipe_crc_basic.c   |  2 +-
 5 files changed, 7 insertions(+), 11 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 3894eeaff..b2cbaa114 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -3905,15 +3905,13 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe)
  * An exit handler is installed to ensure connectors are reset when the test
  * exits.
  */
-void igt_enable_connectors(void)
+void igt_enable_connectors(int drm_fd)
 {
 	drmModeRes *res;
-	int drm_fd;
-
-	drm_fd = drm_open_driver(DRIVER_ANY);
 
 	res = drmModeGetResources(drm_fd);
-	igt_assert(res != NULL);
+	if (!res)
+		return;
 
 	for (int i = 0; i < res->count_connectors; i++) {
 		drmModeConnector *c;
@@ -3940,8 +3938,6 @@ void igt_enable_connectors(void)
 
 		drmModeFreeConnector(c);
 	}
-
-	close(drm_fd);
 }
 
 /**
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 2d862665e..38fa944ef 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -734,7 +734,7 @@ extern void igt_pipe_obj_replace_prop_blob(igt_pipe_t *pipe,
 
 void igt_pipe_refresh(igt_display_t *display, enum pipe pipe, bool force);
 
-void igt_enable_connectors(void);
+void igt_enable_connectors(int drm_fd);
 void igt_reset_connectors(void);
 
 uint32_t kmstest_get_vbl_flag(uint32_t pipe_id);
diff --git a/tests/kms_flip.c b/tests/kms_flip.c
index f7d08a60a..44a820538 100644
--- a/tests/kms_flip.c
+++ b/tests/kms_flip.c
@@ -1575,7 +1575,7 @@ int main(int argc, char **argv)
 	igt_fixture {
 		drm_fd = drm_open_driver_master(DRIVER_ANY);
 
-		igt_enable_connectors();
+		igt_enable_connectors(drm_fd);
 
 		kmstest_set_vt_graphics_mode();
 		igt_install_exit_handler(kms_flip_exit_handler);
diff --git a/tests/kms_invalid_dotclock.c b/tests/kms_invalid_dotclock.c
index e7a80d884..568889a98 100644
--- a/tests/kms_invalid_dotclock.c
+++ b/tests/kms_invalid_dotclock.c
@@ -131,7 +131,7 @@ igt_simple_main
 	data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
 	igt_require_intel(data.drm_fd);
 
-	igt_enable_connectors();
+	igt_enable_connectors(data.drm_fd);
 	kmstest_set_vt_graphics_mode();
 	igt_display_require(&data.display, data.drm_fd);
 	data.res = drmModeGetResources(data.drm_fd);
diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
index 9c9078e9b..5bc0952fc 100644
--- a/tests/kms_pipe_crc_basic.c
+++ b/tests/kms_pipe_crc_basic.c
@@ -181,7 +181,7 @@ igt_main
 	igt_fixture {
 		data.drm_fd = drm_open_driver_master(DRIVER_ANY);
 
-		igt_enable_connectors();
+		igt_enable_connectors(data.drm_fd);
 
 		kmstest_set_vt_graphics_mode();
 
-- 
2.19.0

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