[PATCH AUTOSEL 6.6 56/73] drm/amd/display: make flip_timestamp_in_us a 64-bit variable

Sasha Levin sashal at kernel.org
Mon Jan 22 15:02:10 UTC 2024


From: Josip Pavic <josip.pavic at amd.com>

[ Upstream commit 6fb12518ca58412dc51054e2a7400afb41328d85 ]

[Why]
This variable currently overflows after about 71 minutes. This doesn't
cause any known functional issues but it does make debugging more
difficult.

[How]
Make it a 64-bit variable.

Reviewed-by: Aric Cyr <aric.cyr at amd.com>
Acked-by: Wayne Lin <wayne.lin at amd.com>
Signed-off-by: Josip Pavic <josip.pavic at amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/gpu/drm/amd/display/dc/dc_hw_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
index 99880b08cda0..00de342e5290 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -244,7 +244,7 @@ enum pixel_format {
 #define DC_MAX_DIRTY_RECTS 3
 struct dc_flip_addrs {
 	struct dc_plane_address address;
-	unsigned int flip_timestamp_in_us;
+	unsigned long long flip_timestamp_in_us;
 	bool flip_immediate;
 	/* TODO: add flip duration for FreeSync */
 	bool triplebuffer_flips;
-- 
2.43.0



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