[igt-dev] [PATCH i-g-t 3/3] intel_gpu_top: Fix interactive mode on serial console

[Tvrtko Ursulin]

From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

TIOCGWINSZ returns zero columns and rows on serial so lets assume 80x24.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 tools/intel_gpu_top.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index d1149eb8e14d..72ad7cbe9a8c 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -1640,6 +1640,11 @@ int main(int argc, char **argv)
 		} else if (ioctl(0, TIOCGWINSZ, &ws) != -1) {
 			con_w = ws.ws_col;
 			con_h = ws.ws_row;
+			if (con_w == 0 && con_h == 0) {
+				/* Serial console. */
+				con_w = 80;
+				con_h = 24;
+			}
 		}
 
 		pmu_sample(engines);
-- 
2.25.1