diff options
| author |   Murton Liu <murton.liu@amd.com> | 2018-09-19 14:31:12 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 17:03:53 -0500 |
| commit | a37786abc3bbbbd3a6dc470665af083b9a492cf7 (patch) | |
| tree | 369720143eb64f2a3036ec0b4c62432183c19f65 /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | |
| parent | drm/amd/display: fix Interlace video timing. (diff) | |
| download | linux-dev-a37786abc3bbbbd3a6dc470665af083b9a492cf7.tar.xz linux-dev-a37786abc3bbbbd3a6dc470665af083b9a492cf7.zip | |
drm/amd/display: HLK Periodic Frame Notification test failed
[Why]
Due to a small pre-fetch window, the active vline timing is a couple
of lines off when compared to what it should be.
[How]
Changed the calculation for the start vline to account for this window.
Signed-off-by: Murton Liu <murton.liu@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index ad46294dff63..54626682bab2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -150,7 +150,7 @@ void optc1_program_vline_interrupt( req_delta_lines--; if (req_delta_lines > vsync_line) - start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) - 1; + start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) + 2; else start_line = vsync_line - req_delta_lines; |