From: Alex Deucher alexander.deucher@amd.com

[ Upstream commit 98fdcacb45f7cd2092151d6af2e60152811eb79c ]

Some architectures (e.g., ARM) throw an compilation error if the udelay is too long. In general udelays of longer than 2000us are not recommended on any architecture. Switch to msleep in these cases.

Reviewed-by: Harry Wentland harry.wentland@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/core/dc_link_dp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 01ac1a64c78b9..d1b47c0d7791a 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6038,7 +6038,7 @@ bool dpcd_write_128b_132b_sst_payload_allocation_table( } } retries++; - udelay(5000); + msleep(5); }

if (!result && retries == max_retries) { @@ -6090,7 +6090,7 @@ bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link) break; }

- udelay(5000); + msleep(5); }

if (result == ACT_FAILED) {