drm/amd/display: Refactor DML2 interfaces

[Why&How}
Some interfaces needed changes to support future architectures.
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -340,7 +340,7 @@ void dc_state_release(struct dc_state *state)
  * dc_state_add_stream() - Add a new dc_stream_state to a dc_state.
  */
 enum dc_status dc_state_add_stream(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *stream)
 {
@@ -369,7 +369,7 @@ enum dc_status dc_state_add_stream(
  * dc_state_remove_stream() - Remove a stream from a dc_state.
  */
 enum dc_status dc_state_remove_stream(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *stream)
 {
@@ -679,7 +679,7 @@ void dc_state_release_phantom_stream(const struct dc *dc,
 	dc_stream_release(phantom_stream);
 }
 
-struct dc_plane_state *dc_state_create_phantom_plane(struct dc *dc,
+struct dc_plane_state *dc_state_create_phantom_plane(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_plane_state *main_plane)
 {
@@ -715,7 +715,7 @@ void dc_state_release_phantom_plane(const struct dc *dc,
 }
 
 /* add phantom streams to context and generate correct meta inside dc_state */
-enum dc_status dc_state_add_phantom_stream(struct dc *dc,
+enum dc_status dc_state_add_phantom_stream(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *phantom_stream,
 		struct dc_stream_state *main_stream)
@@ -741,7 +741,7 @@ enum dc_status dc_state_add_phantom_stream(struct dc *dc,
 	return res;
 }
 
-enum dc_status dc_state_remove_phantom_stream(struct dc *dc,
+enum dc_status dc_state_remove_phantom_stream(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *phantom_stream)
 {
@@ -835,7 +835,7 @@ bool dc_state_add_all_phantom_planes_for_stream(
 }
 
 bool dc_state_remove_phantom_streams_and_planes(
-	struct dc *dc,
+	const struct dc *dc,
 	struct dc_state *state)
 {
 	int i;
@@ -857,7 +857,7 @@ bool dc_state_remove_phantom_streams_and_planes(
 }
 
 void dc_state_release_phantom_streams_and_planes(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state)
 {
 	int i;

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

@@ -103,7 +103,7 @@ void enable_surface_flip_reporting(struct dc_plane_state *plane_state,
 	/*register_flip_interrupt(surface);*/
 }
 
-struct dc_plane_state *dc_create_plane_state(struct dc *dc)
+struct dc_plane_state *dc_create_plane_state(const struct dc *dc)
 {
 	struct dc_plane_state *plane_state = kvzalloc(sizeof(*plane_state),
 							GFP_KERNEL);

drivers/gpu/drm/amd/display/dc/dc.h

@@ -996,6 +996,7 @@ struct dc_debug_options {
 	bool enable_idle_reg_checks;
 	unsigned int static_screen_wait_frames;
 	bool force_chroma_subsampling_1tap;
+	bool disable_422_left_edge_pixel;
 };
 
 struct gpu_info_soc_bounding_box_v1_0;

drivers/gpu/drm/amd/display/dc/dc_plane.h

@@ -29,7 +29,7 @@
 #include "dc.h"
 #include "dc_hw_types.h"
 
-struct dc_plane_state *dc_create_plane_state(struct dc *dc);
+struct dc_plane_state *dc_create_plane_state(const struct dc *dc);
 const struct dc_plane_status *dc_plane_get_status(
 		const struct dc_plane_state *plane_state);
 void dc_plane_state_retain(struct dc_plane_state *plane_state);

drivers/gpu/drm/amd/display/dc/dc_state.h

@@ -39,12 +39,12 @@ void dc_state_destruct(struct dc_state *state);
 void dc_state_retain(struct dc_state *state);
 void dc_state_release(struct dc_state *state);
 
-enum dc_status dc_state_add_stream(struct dc *dc,
+enum dc_status dc_state_add_stream(const struct dc *dc,
 				    struct dc_state *state,
 				    struct dc_stream_state *stream);
 
 enum dc_status dc_state_remove_stream(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *stream);
 

drivers/gpu/drm/amd/display/dc/dc_state_priv.h

@@ -47,7 +47,7 @@ struct dc_stream_state *dc_state_get_paired_subvp_stream(const struct dc_state *
 struct dc_stream_state *dc_state_create_phantom_stream(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *main_stream);
-struct dc_plane_state *dc_state_create_phantom_plane(struct dc *dc,
+struct dc_plane_state *dc_state_create_phantom_plane(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_plane_state *main_plane);
 
@@ -60,11 +60,11 @@ void dc_state_release_phantom_plane(const struct dc *dc,
 		struct dc_plane_state *phantom_plane);
 
 /* add/remove phantom stream to context and generate subvp meta data */
-enum dc_status dc_state_add_phantom_stream(struct dc *dc,
+enum dc_status dc_state_add_phantom_stream(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *phantom_stream,
 		struct dc_stream_state *main_stream);
-enum dc_status dc_state_remove_phantom_stream(struct dc *dc,
+enum dc_status dc_state_remove_phantom_stream(const struct dc *dc,
 		struct dc_state *state,
 		struct dc_stream_state *phantom_stream);
 
@@ -94,11 +94,11 @@ bool dc_state_add_all_phantom_planes_for_stream(
 		struct dc_state *state);
 
 bool dc_state_remove_phantom_streams_and_planes(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state);
 
 void dc_state_release_phantom_streams_and_planes(
-		struct dc *dc,
+		const struct dc *dc,
 		struct dc_state *state);
 
 #endif /* _DC_STATE_PRIV_H_ */

drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c

@@ -794,7 +794,7 @@ static void map_pipes_for_plane(struct dml2_context *ctx, struct dc_state *state
 }
 
 static unsigned int get_mpc_factor(struct dml2_context *ctx,
-		const struct dc_state *state,
+		struct dc_state *state,
 		const struct dml_display_cfg_st *disp_cfg,
 		struct dml2_dml_to_dc_pipe_mapping *mapping,
 		const struct dc_stream_status *status,
@@ -805,10 +805,10 @@ static unsigned int get_mpc_factor(struct dml2_context *ctx,
 	unsigned int cfg_idx;
 	unsigned int mpc_factor;
 
-	get_plane_id(ctx, state, status->plane_states[plane_idx],
-			stream->stream_id, plane_idx, &plane_id);
-	cfg_idx = find_disp_cfg_idx_by_plane_id(mapping, plane_id);
 	if (ctx->architecture == dml2_architecture_20) {
+		get_plane_id(ctx, state, status->plane_states[plane_idx],
+				stream->stream_id, plane_idx, &plane_id);
+		cfg_idx = find_disp_cfg_idx_by_plane_id(mapping, plane_id);
 		mpc_factor = (unsigned int)disp_cfg->hw.DPPPerSurface[cfg_idx];
 	} else {
 		mpc_factor = 1;
@@ -824,14 +824,16 @@ static unsigned int get_mpc_factor(struct dml2_context *ctx,
 
 static unsigned int get_odm_factor(
 		const struct dml2_context *ctx,
+		struct dc_state *state,
 		const struct dml_display_cfg_st *disp_cfg,
 		struct dml2_dml_to_dc_pipe_mapping *mapping,
 		const struct dc_stream_state *stream)
 {
-	unsigned int cfg_idx = find_disp_cfg_idx_by_stream_id(
-			mapping, stream->stream_id);
+	unsigned int cfg_idx;
 
-	if (ctx->architecture == dml2_architecture_20)
+	if (ctx->architecture == dml2_architecture_20) {
+		cfg_idx = find_disp_cfg_idx_by_stream_id(
+				mapping, stream->stream_id);
 		switch (disp_cfg->hw.ODMMode[cfg_idx]) {
 		case dml_odm_mode_bypass:
 			return 1;
@@ -842,6 +844,7 @@ static unsigned int get_odm_factor(
 		default:
 			break;
 		}
+	}
 	ASSERT(false);
 	return 1;
 }
@@ -850,7 +853,7 @@ static void populate_mpc_factors_for_stream(
 		struct dml2_context *ctx,
 		const struct dml_display_cfg_st *disp_cfg,
 		struct dml2_dml_to_dc_pipe_mapping *mapping,
-		const struct dc_state *state,
+		struct dc_state *state,
 		unsigned int stream_idx,
 		unsigned int odm_factor,
 		unsigned int mpc_factors[MAX_PIPES])
@@ -870,14 +873,14 @@ static void populate_mpc_factors_for_stream(
 static void populate_odm_factors(const struct dml2_context *ctx,
 		const struct dml_display_cfg_st *disp_cfg,
 		struct dml2_dml_to_dc_pipe_mapping *mapping,
-		const struct dc_state *state,
+		struct dc_state *state,
 		unsigned int odm_factors[MAX_PIPES])
 {
 	int i;
 
 	for (i = 0; i < state->stream_count; i++)
 		odm_factors[i] = get_odm_factor(
-				ctx, disp_cfg, mapping, state->streams[i]);
+				ctx, state, disp_cfg, mapping, state->streams[i]);
 }
 
 static bool map_dc_pipes_for_stream(struct dml2_context *ctx,

drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c

@@ -681,7 +681,7 @@ static void dml2_apply_debug_options(const struct dc *dc, struct dml2_context *d
 	}
 }
 
-bool dml2_validate(struct dc *in_dc, struct dc_state *context, bool fast_validate)
+bool dml2_validate(const struct dc *in_dc, struct dc_state *context, bool fast_validate)
 {
 	bool out = false;
 

drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h

@@ -109,10 +109,10 @@ struct dml2_dc_svp_callbacks {
 	struct dc_stream_state* (*create_phantom_stream)(const struct dc *dc,
 			struct dc_state *state,
 			struct dc_stream_state *main_stream);
-	struct dc_plane_state* (*create_phantom_plane)(struct dc *dc,
+	struct dc_plane_state* (*create_phantom_plane)(const struct dc *dc,
 			struct dc_state *state,
 			struct dc_plane_state *main_plane);
-	enum dc_status (*add_phantom_stream)(struct dc *dc,
+	enum dc_status (*add_phantom_stream)(const struct dc *dc,
 			struct dc_state *state,
 			struct dc_stream_state *phantom_stream,
 			struct dc_stream_state *main_stream);
@@ -121,7 +121,7 @@ struct dml2_dc_svp_callbacks {
 			struct dc_stream_state *stream,
 			struct dc_plane_state *plane_state,
 			struct dc_state *context);
-	enum dc_status (*remove_phantom_stream)(struct dc *dc,
+	enum dc_status (*remove_phantom_stream)(const struct dc *dc,
 			struct dc_state *state,
 			struct dc_stream_state *stream);
 	void (*release_phantom_plane)(const struct dc *dc,
@@ -135,10 +135,10 @@ struct dml2_dc_svp_callbacks {
 	enum mall_stream_type (*get_stream_subvp_type)(const struct dc_state *state, const struct dc_stream_state *stream);
 	struct dc_stream_state *(*get_paired_subvp_stream)(const struct dc_state *state, const struct dc_stream_state *stream);
 	bool (*remove_phantom_streams_and_planes)(
-			struct dc *dc,
+			const struct dc *dc,
 			struct dc_state *state);
 	void (*release_phantom_streams_and_planes)(
-			struct dc *dc,
+			const struct dc *dc,
 			struct dc_state *state);
 	unsigned int (*calculate_mall_ways_from_bytes)(
 				const struct dc *dc,
@@ -264,7 +264,7 @@ void dml2_reinit(const struct dc *in_dc,
  *          separate dc_states for validation.
  * Return: True if mode is supported, false otherwise.
  */
-bool dml2_validate(struct dc *in_dc,
+bool dml2_validate(const struct dc *in_dc,
 				   struct dc_state *context,
 				   bool fast_validate);