linux/drivers/gpu/drm/amd/display/dc/dce60/dce60_hw_sequencer.c

/*
 * Copyright 2020 Mauro Rossi <[email protected]>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "dm_services.h"
#include "dc.h"
#include "core_types.h"
#include "dce60_hw_sequencer.h"

#include "dce/dce_hwseq.h"
#include "dce110/dce110_hwseq.h"
#include "dce100/dce100_hwseq.h"

/* include DCE6 register header files */
#include "dce/dce_6_0_d.h"
#include "dce/dce_6_0_sh_mask.h"

#define DC_LOGGER_INIT() …

/*******************************************************************************
 * Private definitions
 ******************************************************************************/

/***************************PIPE_CONTROL***********************************/

/*
 *  Check if FBC can be enabled
 */
static bool dce60_should_enable_fbc(struct dc *dc,
		struct dc_state *context,
		uint32_t *pipe_idx)
{ … }

/*
 *  Enable FBC
 */
static void dce60_enable_fbc(
		struct dc *dc,
		struct dc_state *context)
{ … }


/*******************************************************************************
 * Front End programming
 ******************************************************************************/

static void dce60_set_default_colors(struct pipe_ctx *pipe_ctx)
{ … }

/*******************************************************************************
 * In order to turn on surface we will program
 * CRTC
 *
 * DCE6 has no bottom_pipe and no Blender HW
 * We need to set 'blank_target' to false in order to turn on the display
 *
 * |-----------|------------|---------|
 * |curr pipe  | set_blank  |         |
 * |Surface    |blank_target|  CRCT   |
 * |visibility |  argument  |         |
 * |-----------|------------|---------|
 * |    off    |   true     | blank   |
 * |    on     |   false    | unblank |
 * |-----------|------------|---------|
 *
 ******************************************************************************/
static void dce60_program_surface_visibility(const struct dc *dc,
		struct pipe_ctx *pipe_ctx)
{ … }


static void dce60_get_surface_visual_confirm_color(const struct pipe_ctx *pipe_ctx,
		struct tg_color *color)
{ … }

static void dce60_program_scaler(const struct dc *dc,
		const struct pipe_ctx *pipe_ctx)
{ … }

static void
dce60_program_front_end_for_pipe(
		struct dc *dc, struct pipe_ctx *pipe_ctx)
{ … }

static void dce60_apply_ctx_for_surface(
		struct dc *dc,
		const struct dc_stream_state *stream,
		int num_planes,
		struct dc_state *context)
{ … }

void dce60_hw_sequencer_construct(struct dc *dc)
{ … }