[PATCH i-g-t 2/4] tests/intel/kms_dsc_helper: Add helper to force compressed BPP

Helper function is added to force compressed BPP.

v2: Rebase

Signed-off-by: Swati Sharma <[email protected]>
---
 tests/intel/kms_dsc_helper.c | 10 ++++++++++
 tests/intel/kms_dsc_helper.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/tests/intel/kms_dsc_helper.c b/tests/intel/kms_dsc_helper.c
index 9f581758f..50de12fe1 100644
--- a/tests/intel/kms_dsc_helper.c
+++ b/tests/intel/kms_dsc_helper.c
@@ -29,6 +29,16 @@ void force_dsc_enable_bpc(int drmfd, igt_output_t *output, int input_bpc)
 	igt_assert_f(ret == 0, "forcing input dsc bpc debugfs_write failed\n");
 }
 
+void force_dsc_enable_compressed_bpp(int drmfd, igt_output_t *output, float compressed_bpp)
+{
+	int ret;
+
+	igt_debug("Forcing compressed DSC BPP to %.2f on %s\n",
+		  compressed_bpp, output->name);
+	ret = igt_force_dsc_enable_compressed_bpp(drmfd, output->name, compressed_bpp);
+	igt_assert_f(ret == 0, "forcing compressed dsc bpp debugfs_write failed\n");
+}
+
 void save_force_dsc_en(int drmfd, igt_output_t *output)
 {
 	force_dsc_en_orig =
diff --git a/tests/intel/kms_dsc_helper.h b/tests/intel/kms_dsc_helper.h
index 542fe46de..ba616468e 100644
--- a/tests/intel/kms_dsc_helper.h
+++ b/tests/intel/kms_dsc_helper.h
@@ -24,6 +24,7 @@
 
 void force_dsc_enable(int drmfd, igt_output_t *output);
 void force_dsc_enable_bpc(int drmfd, igt_output_t *output, int input_bpc);
+void force_dsc_enable_compressed_bpp(int drmfd, igt_output_t *output, float compressed_bpp);
 void save_force_dsc_en(int drmfd, igt_output_t *output);
 void restore_force_dsc_en(void);
 void kms_dsc_exit_handler(int sig);
-- 
2.25.1