drm/amd/display: Handle Y carry-over in VCP X.Y calculation
authorGeorge Shen <george.shen@amd.com>
Thu, 16 Sep 2021 23:55:39 +0000 (19:55 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 1 May 2024 01:26:04 +0000 (21:26 -0400)
commit719564737a9ac3d0b49c314450b56cf6f7d71358
tree70a828ba0ff24db0b0621ff3013da54eb4d465a0
parentf06446ef23216090d1ee8ede1a7d7ae430c22dcc
drm/amd/display: Handle Y carry-over in VCP X.Y calculation

Theoretically rare corner case where ceil(Y) results in rounding up to
an integer. If this happens, the 1 should be carried over to the X
value.

CC: stable@vger.kernel.org
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_link_encoder.c