diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index ccf7bd3d90fe..8ee0d946bb2f 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1904,9 +1904,6 @@ bool dc_is_stream_unchanged( if (memcmp(&old_stream->audio_info, &stream->audio_info, sizeof(stream->audio_info)) != 0) return false; - if (old_stream->odm_2to1_policy_applied != stream->odm_2to1_policy_applied) - return false; - return true; } @@ -3665,3 +3662,25 @@ const struct link_hwss *get_link_hwss(const struct dc_link *link, else return get_virtual_link_hwss(); } + +bool is_h_timing_divisible_by_2(struct dc_stream_state *stream) +{ + bool divisible = false; + uint16_t h_blank_start = 0; + uint16_t h_blank_end = 0; + + if (stream) { + h_blank_start = stream->timing.h_total - stream->timing.h_front_porch; + h_blank_end = h_blank_start - stream->timing.h_addressable; + + /* HTOTAL, Hblank start/end, and Hsync start/end all must be + * divisible by 2 in order for the horizontal timing params + * to be considered divisible by 2. Hsync start is always 0. + */ + divisible = (stream->timing.h_total % 2 == 0) && + (h_blank_start % 2 == 0) && + (h_blank_end % 2 == 0) && + (stream->timing.h_sync_width % 2 == 0); + } + return divisible; +}
\ No newline at end of file |