From: Max Tseng <Max.Tseng@xxxxxxx> [Why] PSR-SU requires extra conditions while cursor update. Reviewed-by: Robin Chen <robin.chen@xxxxxxx> Acked-by: Alan Liu <HaoPing.Liu@xxxxxxx> Signed-off-by: Max Tseng <Max.Tseng@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 48 ++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 67eef5beab95..4cb912bf400b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -859,11 +859,59 @@ void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv) diag_data.is_cw6_enabled); } +static bool dc_can_pipe_disable_cursor(struct pipe_ctx *pipe_ctx) +{ + struct pipe_ctx *test_pipe, *split_pipe; + const struct scaler_data *scl_data = &pipe_ctx->plane_res.scl_data; + struct rect r1 = scl_data->recout, r2, r2_half; + int r1_r = r1.x + r1.width, r1_b = r1.y + r1.height, r2_r, r2_b; + int cur_layer = pipe_ctx->plane_state->layer_index; + + /** + * Disable the cursor if there's another pipe above this with a + * plane that contains this pipe's viewport to prevent double cursor + * and incorrect scaling artifacts. + */ + for (test_pipe = pipe_ctx->top_pipe; test_pipe; + test_pipe = test_pipe->top_pipe) { + // Skip invisible layer and pipe-split plane on same layer + if (!test_pipe->plane_state->visible || test_pipe->plane_state->layer_index == cur_layer) + continue; + + r2 = test_pipe->plane_res.scl_data.recout; + r2_r = r2.x + r2.width; + r2_b = r2.y + r2.height; + split_pipe = test_pipe; + + /** + * There is another half plane on same layer because of + * pipe-split, merge together per same height. + */ + for (split_pipe = pipe_ctx->top_pipe; split_pipe; + split_pipe = split_pipe->top_pipe) + if (split_pipe->plane_state->layer_index == test_pipe->plane_state->layer_index) { + r2_half = split_pipe->plane_res.scl_data.recout; + r2.x = (r2_half.x < r2.x) ? r2_half.x : r2.x; + r2.width = r2.width + r2_half.width; + r2_r = r2.x + r2.width; + break; + } + + if (r1.x >= r2.x && r1.y >= r2.y && r1_r <= r2_r && r1_b <= r2_b) + return true; + } + + return false; +} + static bool dc_dmub_should_update_cursor_data(struct pipe_ctx *pipe_ctx) { if (pipe_ctx->plane_state != NULL) { if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE) return false; + + if (dc_can_pipe_disable_cursor(pipe_ctx)) + return false; } if ((pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 || -- 2.25.1