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* [PATCH i-g-t 0/2] New test to validate link-off between active regions (LOBF)
@ 2024-06-26 19:15 Jeevan B
  2024-06-26 19:15 ` [PATCH i-g-t 1/2] lib/igt_kms: Added library functions for LOBF status Jeevan B
                   ` (5 more replies)
  0 siblings, 6 replies; 13+ messages in thread
From: Jeevan B @ 2024-06-26 19:15 UTC (permalink / raw)
  To: igt-dev; +Cc: kunal1.joshi, animesh.manna, Jeevan B

Add debugfs entry to validate LOBF status and create a new
test to validate.

Jeevan B (2):
  lib/igt_kms: Added library functions for LOBF status
  RFC: tests/kms_vrr: Add new test to validate LOBF

 lib/igt_kms.c   | 23 ++++++++++++++++++++++
 lib/igt_kms.h   |  1 +
 tests/kms_vrr.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 74 insertions(+), 2 deletions(-)

-- 
2.25.1


^ permalink raw reply	[flat|nested] 13+ messages in thread
* [PATCH i-g-t 1/2] lib/igt_kms: Added library functions for LOBF status
@ 2024-07-22  7:50 Jeevan B
  2024-07-22  9:05 ` [i-g-t,1/2] " Joshi, Kunal1
  0 siblings, 1 reply; 13+ messages in thread
From: Jeevan B @ 2024-07-22  7:50 UTC (permalink / raw)
  To: igt-dev; +Cc: kunal1.joshi, animesh.manna, Jeevan B

Added helper functions to check LOBF status to check weather
it is enabled or disabled.

v2: rename function name.

Signed-off-by: Jeevan B <jeevan.b@intel.com>
---
 lib/igt_kms.c | 23 +++++++++++++++++++++++
 lib/igt_kms.h |  1 +
 2 files changed, 24 insertions(+)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 64318ef7f..e030b35a6 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -6071,6 +6071,29 @@ void igt_dump_crtcs_fd(int drmfd)
 	drmModeFreeResources(mode_resources);
 }
 
+/**
+ * igt_get_i915_edp_lobf_status
+ * @drmfd: A drm file descriptor
+ * @connector_name: Name of the libdrm connector we're going to use
+ *
+ * Return: True if its enabled.
+ */
+bool igt_get_i915_edp_lobf_status(int drmfd, char *connector_name)
+{
+	char buf[24];
+	int fd, res;
+
+	fd = igt_debugfs_connector_dir(drmfd, connector_name, O_RDONLY);
+	igt_assert(fd >= 0);
+
+	res = igt_debugfs_simple_read(fd, "i915_edp_lobf_info", buf, sizeof(buf));
+	igt_require(res > 0);
+
+	close(fd);
+
+	return strstr(buf, "LOBF status: enabled");
+}
+
 /**
  * igt_get_output_max_bpc:
  * @drmfd: A drm file descriptor
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 501d48763..e8582a45b 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -1195,6 +1195,7 @@ void igt_require_pipe(igt_display_t *display,
 void igt_dump_connectors_fd(int drmfd);
 void igt_dump_crtcs_fd(int drmfd);
 bool igt_override_all_active_output_modes_to_fit_bw(igt_display_t *display);
+bool igt_get_i915_edp_lobf_status(int drmfd, char *connector_name);
 unsigned int igt_get_output_max_bpc(int drmfd, char *connector_name);
 unsigned int igt_get_pipe_current_bpc(int drmfd, enum pipe pipe);
 void igt_assert_output_bpc_equal(int drmfd, enum pipe pipe,
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2024-07-22  9:06 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-06-26 19:15 [PATCH i-g-t 0/2] New test to validate link-off between active regions (LOBF) Jeevan B
2024-06-26 19:15 ` [PATCH i-g-t 1/2] lib/igt_kms: Added library functions for LOBF status Jeevan B
2024-07-17  4:45   ` [i-g-t,1/2] " Joshi, Kunal1
2024-07-17  8:51     ` Manna, Animesh
2024-06-26 19:15 ` [PATCH i-g-t 2/2] RFC: tests/kms_vrr: Add new test to validate LOBF Jeevan B
2024-07-03 10:16   ` [i-g-t,2/2] " Joshi, Kunal1
2024-07-03 10:19     ` B, Jeevan
2024-07-03 11:55       ` Manna, Animesh
2024-06-26 21:39 ` ✓ Fi.CI.BAT: success for New test to validate link-off between active regions (LOBF) Patchwork
2024-06-26 21:51 ` ✓ CI.xeBAT: " Patchwork
2024-06-27  7:41 ` ✗ CI.xeFULL: failure " Patchwork
2024-06-28  2:32 ` ✗ Fi.CI.IGT: " Patchwork
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2024-07-22  7:50 [PATCH i-g-t 1/2] lib/igt_kms: Added library functions for LOBF status Jeevan B
2024-07-22  9:05 ` [i-g-t,1/2] " Joshi, Kunal1

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