diff options
| author | Martin Leung <martin.leung@amd.com> | 2020-12-02 23:10:12 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-15 19:34:17 +0300 |
| commit | 5200c4017ef25f85634012a967c78ff64495dd85 (patch) | |
| tree | 681bb8c1cc684f7cce842884153da60ec333d309 /drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h | |
| parent | 09b07f7a188f3b52e7f7c778ab3b4e4aa4e9677a (diff) | |
| download | linux-5200c4017ef25f85634012a967c78ff64495dd85.tar.xz | |
drm/amd/display: delay fp2 programming until vactive before lock
[Why]
race condition of programming FP2 wrt pipe locking
and vactive state can cause underflow/black screen
[How]
Enforce the FP2 is only programmed during vactive,
and unlock pipe soon afterwards.
Signed-off-by: Martin Leung <martin.leung@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index 12d5718caea8..f7632fe25976 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -271,7 +271,7 @@ struct timing_generator_funcs { struct dc_crtc_timing *hw_crtc_timing); void (*set_vtg_params)(struct timing_generator *optc, - const struct dc_crtc_timing *dc_crtc_timing); + const struct dc_crtc_timing *dc_crtc_timing, bool program_fp2); void (*set_dsc_config)(struct timing_generator *optc, enum optc_dsc_mode dsc_mode, |