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<div class="moz-cite-prefix">On 1/5/2024 9:29 PM, Swati Sharma
wrote:<br>
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<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Add helper functions dsc with big joiner helper functions.
Signed-off-by: Swati Sharma <a class="moz-txt-link-rfc2396E" href="mailto:swati2.sharma@intel.com"><swati2.sharma@intel.com></a>
---
tests/intel/kms_dsc_helper.c | 32 ++++++++++++++++++++++++++++++++
tests/intel/kms_dsc_helper.h | 3 +++
2 files changed, 35 insertions(+)
diff --git a/tests/intel/kms_dsc_helper.c b/tests/intel/kms_dsc_helper.c
index 58057aca3..91ce21062 100644
--- a/tests/intel/kms_dsc_helper.c
+++ b/tests/intel/kms_dsc_helper.c
@@ -7,8 +7,10 @@
static bool force_dsc_en_orig;
static bool force_dsc_fractional_bpp_en_orig;
+static bool force_dsc_bigjoiner_en_orig;
static int force_dsc_restore_fd = -1;
static int force_dsc_fractional_bpp_restore_fd = -1;
+static int force_dsc_bigjoiner_restore_fd = -1;
void force_dsc_enable(int drmfd, igt_output_t *output)
{
@@ -201,3 +203,33 @@ bool is_dsc_fractional_bpp_supported(int disp_ver, int drmfd, igt_output_t *outp
return true;
}
+
+void force_dsc_bigjoiner_enable(int drmfd, igt_output_t *output)
+{
+ int ret;
+
+ igt_debug("Forcing DSC Big Joiner on %s\n", output->name);
+ ret = igt_force_bigjoiner_enable(drmfd, output->name);
+ igt_assert_f(ret == 0, "forcing dsc big joiner debugfs_write failed\n");
+}
+
+void save_force_dsc_bigjoiner_en(int drmfd, igt_output_t *output)
+{
+ force_dsc_bigjoiner_en_orig =
+ igt_is_force_bigjoiner_enabled(drmfd, output->name);
+ force_dsc_bigjoiner_restore_fd =
+ igt_get_bigjoiner_debugfs_fd(drmfd, output->name);
+ igt_assert(force_dsc_bigjoiner_restore_fd >= 0);
+}
+
+void restore_force_dsc_bigjoiner_en(void)
+{
+ if (force_dsc_bigjoiner_restore_fd < 0)
+ return;
+
+ igt_debug("Restoring DSC Big Joiner enable\n");
+ igt_assert(write(force_dsc_bigjoiner_restore_fd, force_dsc_bigjoiner_en_orig ? "1" : "0", 1) == 1);
+
+ close(force_dsc_bigjoiner_restore_fd);
+ force_dsc_bigjoiner_restore_fd = -1;
+}</pre>
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<p>Hello Swati,<br>
</p>
<pre class="moz-quote-pre" wrap="">These functions (force_dsc_enable, save_force_dsc_bigjoiner_en and restore_force_dsc_bigjoiner_en) seems to be generic and not dsc specific.
Can this be somewhere where other IGT"s can use them?
Thanks and Regards
Kunal Joshi
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