drm/amd/display: Add support for setting multiple CRC windows in dc

[Why & How]
Have to support multiple CRC windows setting to dmub. Add new dmub forward
functions for supporting/forwarding multiple crc windows setting to dmub.

Reviewed-by: HaoPing Liu <haoping.liu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 74 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 91a4c52289ac..97b3237772f9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -615,6 +615,68 @@ dc_stream_forward_crc_window(struct dc_stream_state *stream,
 
 	return true;
 }
+
+static void
+dc_stream_forward_dmub_multiple_crc_window(struct dc_dmub_srv *dmub_srv,
+		struct crc_window *window, struct otg_phy_mux *mux_mapping, bool stop)
+{
+	int i;
+	union dmub_rb_cmd cmd = {0};
+
+	cmd.secure_display.mul_roi_ctl.phy_id = mux_mapping->phy_output_num;
+	cmd.secure_display.mul_roi_ctl.otg_id = mux_mapping->otg_output_num;
+
+	cmd.secure_display.header.type = DMUB_CMD__SECURE_DISPLAY;
+
+	if (stop) {
+		cmd.secure_display.header.sub_type = DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_STOP_UPDATE;
+	} else {
+		cmd.secure_display.header.sub_type = DMUB_CMD__SECURE_DISPLAY_MULTIPLE_CRC_WIN_NOTIFY;
+		for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) {
+			cmd.secure_display.mul_roi_ctl.roi_ctl[i].x_start = window[i].rect.x;
+			cmd.secure_display.mul_roi_ctl.roi_ctl[i].y_start = window[i].rect.y;
+			cmd.secure_display.mul_roi_ctl.roi_ctl[i].x_end = window[i].rect.x + window[i].rect.width;
+			cmd.secure_display.mul_roi_ctl.roi_ctl[i].y_end = window[i].rect.y + window[i].rect.height;
+			cmd.secure_display.mul_roi_ctl.roi_ctl[i].enable = window[i].enable;
+		}
+	}
+
+	dc_wake_and_execute_dmub_cmd(dmub_srv->ctx, &cmd, DM_DMUB_WAIT_TYPE_NO_WAIT);
+}
+
+bool
+dc_stream_forward_multiple_crc_window(struct dc_stream_state *stream,
+		struct crc_window *window, uint8_t phy_id, bool stop)
+{
+	struct dc_dmub_srv *dmub_srv;
+	struct otg_phy_mux mux_mapping;
+	struct pipe_ctx *pipe;
+	int i;
+	struct dc *dc = stream->ctx->dc;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+		if (pipe->stream == stream && !pipe->top_pipe && !pipe->prev_odm_pipe)
+			break;
+	}
+
+	/* Stream not found */
+	if (i == MAX_PIPES)
+		return false;
+
+	mux_mapping.phy_output_num = phy_id;
+	mux_mapping.otg_output_num = pipe->stream_res.tg->inst;
+
+	dmub_srv = dc->ctx->dmub_srv;
+
+	/* forward to dmub only. no dmcu support*/
+	if (dmub_srv)
+		dc_stream_forward_dmub_multiple_crc_window(dmub_srv, window, &mux_mapping, stop);
+	else
+		return false;
+
+	return true;
+}
 #endif /* CONFIG_DRM_AMD_SECURE_DISPLAY */
 
 /**
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 7ccdeb681918..50cbf0661f2e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -539,6 +539,11 @@ bool dc_stream_forward_crc_window(struct dc_stream_state *stream,
 		struct rect *rect,
 		uint8_t phy_id,
 		bool is_stop);
+
+bool dc_stream_forward_multiple_crc_window(struct dc_stream_state *stream,
+		struct crc_window *window,
+		uint8_t phy_id,
+		bool stop);
 #endif
 
 bool dc_stream_configure_crc(struct dc *dc,
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 0243d1b675d8..778627ddc746 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -939,10 +939,17 @@ enum backlight_control_type {
 };
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
+#define MAX_CRC_WINDOW_NUM	2
+
 struct otg_phy_mux {
 	uint8_t phy_output_num;
 	uint8_t otg_output_num;
 };
+
+struct crc_window {
+	struct rect rect;
+	bool enable;
+};
 #endif
 
 enum dc_detect_reason {