From a4f1b04216023ff0f4cd89328b59ee6890248130 Mon Sep 17 00:00:00 2001 From: Alvin Lee Date: Thu, 14 Jul 2022 18:21:28 -0400 Subject: [PATCH] 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: Jun Lei Acked-by: Alex Hung Signed-off-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 6752ca44e6e0..f62d50901d92 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -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); -- 2.11.0