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e7f54e6c19
The hardware never sees the uv_wm values (apart from uv_wm.min_ddb_alloc affecting the ddb allocation). Thus there is no point in comparing uv_wm to determine if we need to reprogram the watermark registers. So let's check only the rgb/y watermark in skl_plane_wm_equals(). But let's leave a comment behind so that the next person reading this doesn't get as confused as I did when I added this check. If the ddb allocation ends up changing due to uv_wm skl_ddb_add_affected_planes() takes care of adding the plane to the state. TODO: we should perhaps just eliminate uv_wm from the state and simply track the min_ddb_alloc for uv instead. Cc: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200228203552.30273-1-ville.syrjala@linux.intel.com Reviewed-by: José Roberto de Souza <jose.souza@intel.com> |
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