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

Sasha Levin
2024-01-22T15:07:34Z

From: Josip Pavic <josip.pavic@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@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Josip Pavic <josip.pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@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