[igt-dev] [PATCH CI_TEST] tests/kms_flip_tiling

* [igt-dev] [PATCH CI_TEST] tests/kms_flip_tiling
@ 2018-05-15 10:28 Mika Kahola
  2018-05-15 12:59 ` [igt-dev] ✓ Fi.CI.BAT: success for tests/kms_flip_tiling Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 7+ messages in thread
From: Mika Kahola @ 2018-05-15 10:28 UTC (permalink / raw)
  To: igt-dev

Make sure framebuffer compression is disabled when running this test.

Signed-off-by: Mika Kahola <mika.kahola@intel.com>
---
 tests/kms_flip_tiling.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tests/kms_flip_tiling.c b/tests/kms_flip_tiling.c
index 5aae29a..8dde5c8 100644
--- a/tests/kms_flip_tiling.c
+++ b/tests/kms_flip_tiling.c
@@ -33,12 +33,23 @@
 
 IGT_TEST_DESCRIPTION("Test page flips and tiling scenarios");
 
+#define fbc_enable() igt_set_module_param_int("enable_fbc", 1)
+#define fbc_disable() igt_set_module_param_int("enable_fbc", 0)
+
 typedef struct {
 	int drm_fd;
 	igt_display_t display;
 	int gen;
 } data_t;
 
+static bool fbc_is_enabled(int fd)
+{
+	char buf[128];
+
+	igt_debugfs_read(fd, "i915_fbc_status", buf);
+	return strstr(buf, "FBC enabled\n");
+}
+
 static igt_pipe_crc_t *_pipe_crc;
 
 static igt_pipe_crc_t *pipe_crc_new(data_t *data, int pipe)
@@ -88,6 +99,10 @@ test_flip_tiling(data_t *data, enum pipe pipe, igt_output_t *output, uint64_t ti
 	igt_pipe_crc_t *pipe_crc;
 	igt_crc_t reference_crc, crc;
 	int fb_id, ret, width;
+	bool fbc_enabled = fbc_is_enabled(data->drm_fd);
+
+	if (fbc_enabled)
+		fbc_disable();
 
 	pipe_crc = pipe_crc_new(data, pipe);
 	igt_output_set_pipe(output, pipe);
@@ -153,6 +168,9 @@ test_flip_tiling(data_t *data, enum pipe pipe, igt_output_t *output, uint64_t ti
 
 	igt_remove_fb(data->drm_fd, &fb[0]);
 	igt_remove_fb(data->drm_fd, &fb[1]);
+
+	if (fbc_enabled)
+		fbc_enable();
 }
 
 static data_t data;
-- 
2.7.4

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