[igt-dev] [PATCH i-g-t 1/2] lib/kms: Add for_each_pipe_clamped
From: <hidden>
Date: 2021-03-23 11:02:37
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Patnana Venkata Sai <redacted>
for_each_pipe and for_each_pipe_static cannot be used for limiting pipe iteration.
This api will provide limits the pipe iteration
v2: Handle fused pipes (Petri)
Add a variable pipe count (Bhanu)
v3: change api name as suggested (Petri)
Cc: Uma Shankar <redacted>
Cc: Juha-Pekka Heikkilä <redacted>
Cc: Modem Bhanuprakash <redacted>
Cc: Karthik B S <redacted>
Cc: Petri Latvala <redacted>
Signed-off-by: Patnana Venkata Sai <redacted>
---
lib/igt_kms.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 09b10b3e04..7dbf14483c 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h@@ -534,6 +534,18 @@ static inline bool igt_output_is_connected(igt_output_t *output) for_each_pipe_static(pipe) \ for_each_if((display)->pipes[(pipe)].enabled) +/** + * for_each_pipe_clamped: + * @display: a pointer to an #igt_display_t structure + * @pipe: The pipe to iterate. + * @pipe_count: Number of pipes to be iterate + * + * This for loop iterates based on pipe_count and supported by IGT libraries, + */ +#define for_each_pipe_clamped(display, pipe, pipe_count) \ + for_each_pipe_static(pipe) \ + for_each_if((display)->pipes[(pipe)].enabled) \ + for_each_if(pipe_count-- > 0) /** * for_each_pipe_with_valid_output: * @display: a pointer to an #igt_display_t structure
--
2.25.1
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