diff options
| author | Robin Chen <robin.chen@amd.com> | 2024-08-23 15:00:28 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-18 16:15:06 -0400 |
| commit | c03fca619fc687338a3b6511fdbed94096abdf79 (patch) | |
| tree | e7953e4667a4cad12986b3b91864fc99077436d8 /drivers/gpu | |
| parent | 2778701b165eda674756537054d460fb4b0cf2e2 (diff) | |
| download | linux-stable-c03fca619fc687338a3b6511fdbed94096abdf79.tar.gz linux-stable-c03fca619fc687338a3b6511fdbed94096abdf79.tar.bz2 linux-stable-c03fca619fc687338a3b6511fdbed94096abdf79.zip | |
drm/amd/display: Round calculated vtotal
[WHY]
The calculated vtotal may has 1 line deviation. To get precisely
vtotal number, round the vtotal result.
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Signed-off-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index a40e6590215a..bbd259cea4f4 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -134,7 +134,7 @@ unsigned int mod_freesync_calc_v_total_from_refresh( v_total = div64_u64(div64_u64(((unsigned long long)( frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)), - stream->timing.h_total), 1000000); + stream->timing.h_total) + 500000, 1000000); /* v_total cannot be less than nominal */ if (v_total < stream->timing.v_total) { |