Commit a4f1b042 authored by Alvin Lee's avatar Alvin Lee Committed by Alex Deucher
Browse files

drm/amd/display: Fallback to SW cursor if SubVP + cursor too big 



[Description]
- For SubVP cursor cannot be cached in MALL, therefore
we will switch to SW cursor if the cursor size exceeds
what can fit in the local DCN buffers (64x64x4)
- Returning false / failure for set_cursor_attributes will
fallback to SW cursor

Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ee4a26b4

drivers/gpu/drm/amd/display/dc/core/dc_stream.c

+5 −0
Original line number Diff line number Diff line
@@ -328,6 +328,11 @@ bool dc_stream_set_cursor_attributes( 
	}



	dc = stream->ctx->dc;



	if (attributes->height * attributes->width * 4 > 16384)

		if (stream->mall_stream_config.type == SUBVP_MAIN)

			return false;



	stream->cursor_attributes = *attributes;



	dc_z10_restore(dc);