drm: Place Renesas drivers in a separate dir

Create vendor specific renesas directory and move renesas drivers
to that directory.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

1 files changed, 0 insertions, 246 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
deleted file mode 100644
index 8cd37d7b8ae2..000000000000
--- a/drivers/gpu/drm/rcar-du/rcar_du_writeback.c
+++ /dev/null
@@ -1,246 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * R-Car Display Unit Writeback Support
- *
- * Copyright (C) 2019 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- */
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_device.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_framebuffer.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_writeback.h>
-
-#include "rcar_du_crtc.h"
-#include "rcar_du_drv.h"
-#include "rcar_du_kms.h"
-#include "rcar_du_writeback.h"
-
-/**
- * struct rcar_du_wb_conn_state - Driver-specific writeback connector state
- * @state: base DRM connector state
- * @format: format of the writeback framebuffer
- */
-struct rcar_du_wb_conn_state {
-	struct drm_connector_state state;
-	const struct rcar_du_format_info *format;
-};
-
-#define to_rcar_wb_conn_state(s) \
-	container_of(s, struct rcar_du_wb_conn_state, state)
-
-/**
- * struct rcar_du_wb_job - Driver-private data for writeback jobs
- * @sg_tables: scatter-gather tables for the framebuffer memory
- */
-struct rcar_du_wb_job {
-	struct sg_table sg_tables[3];
-};
-
-static int rcar_du_wb_conn_get_modes(struct drm_connector *connector)
-{
-	struct drm_device *dev = connector->dev;
-
-	return drm_add_modes_noedid(connector, dev->mode_config.max_width,
-				    dev->mode_config.max_height);
-}
-
-static int rcar_du_wb_prepare_job(struct drm_writeback_connector *connector,
-				  struct drm_writeback_job *job)
-{
-	struct rcar_du_crtc *rcrtc = wb_to_rcar_crtc(connector);
-	struct rcar_du_wb_job *rjob;
-	int ret;
-
-	if (!job->fb)
-		return 0;
-
-	rjob = kzalloc(sizeof(*rjob), GFP_KERNEL);
-	if (!rjob)
-		return -ENOMEM;
-
-	/* Map the framebuffer to the VSP. */
-	ret = rcar_du_vsp_map_fb(rcrtc->vsp, job->fb, rjob->sg_tables);
-	if (ret < 0) {
-		kfree(rjob);
-		return ret;
-	}
-
-	job->priv = rjob;
-	return 0;
-}
-
-static void rcar_du_wb_cleanup_job(struct drm_writeback_connector *connector,
-				   struct drm_writeback_job *job)
-{
-	struct rcar_du_crtc *rcrtc = wb_to_rcar_crtc(connector);
-	struct rcar_du_wb_job *rjob = job->priv;
-
-	if (!job->fb)
-		return;
-
-	rcar_du_vsp_unmap_fb(rcrtc->vsp, job->fb, rjob->sg_tables);
-	kfree(rjob);
-}
-
-static const struct drm_connector_helper_funcs rcar_du_wb_conn_helper_funcs = {
-	.get_modes = rcar_du_wb_conn_get_modes,
-	.prepare_writeback_job = rcar_du_wb_prepare_job,
-	.cleanup_writeback_job = rcar_du_wb_cleanup_job,
-};
-
-static struct drm_connector_state *
-rcar_du_wb_conn_duplicate_state(struct drm_connector *connector)
-{
-	struct rcar_du_wb_conn_state *copy;
-
-	if (WARN_ON(!connector->state))
-		return NULL;
-
-	copy = kzalloc(sizeof(*copy), GFP_KERNEL);
-	if (!copy)
-		return NULL;
-
-	__drm_atomic_helper_connector_duplicate_state(connector, &copy->state);
-
-	return &copy->state;
-}
-
-static void rcar_du_wb_conn_destroy_state(struct drm_connector *connector,
-					  struct drm_connector_state *state)
-{
-	__drm_atomic_helper_connector_destroy_state(state);
-	kfree(to_rcar_wb_conn_state(state));
-}
-
-static void rcar_du_wb_conn_reset(struct drm_connector *connector)
-{
-	struct rcar_du_wb_conn_state *state;
-
-	if (connector->state) {
-		rcar_du_wb_conn_destroy_state(connector, connector->state);
-		connector->state = NULL;
-	}
-
-	state = kzalloc(sizeof(*state), GFP_KERNEL);
-	if (state == NULL)
-		return;
-
-	__drm_atomic_helper_connector_reset(connector, &state->state);
-}
-
-static const struct drm_connector_funcs rcar_du_wb_conn_funcs = {
-	.reset = rcar_du_wb_conn_reset,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.destroy = drm_connector_cleanup,
-	.atomic_duplicate_state = rcar_du_wb_conn_duplicate_state,
-	.atomic_destroy_state = rcar_du_wb_conn_destroy_state,
-};
-
-static int rcar_du_wb_enc_atomic_check(struct drm_encoder *encoder,
-				       struct drm_crtc_state *crtc_state,
-				       struct drm_connector_state *conn_state)
-{
-	struct rcar_du_wb_conn_state *wb_state =
-		to_rcar_wb_conn_state(conn_state);
-	const struct drm_display_mode *mode = &crtc_state->mode;
-	struct drm_device *dev = encoder->dev;
-	struct drm_framebuffer *fb;
-
-	if (!conn_state->writeback_job)
-		return 0;
-
-	fb = conn_state->writeback_job->fb;
-
-	/*
-	 * Verify that the framebuffer format is supported and that its size
-	 * matches the current mode.
-	 */
-	if (fb->width != mode->hdisplay || fb->height != mode->vdisplay) {
-		dev_dbg(dev->dev, "%s: invalid framebuffer size %ux%u\n",
-			__func__, fb->width, fb->height);
-		return -EINVAL;
-	}
-
-	wb_state->format = rcar_du_format_info(fb->format->format);
-	if (wb_state->format == NULL) {
-		dev_dbg(dev->dev, "%s: unsupported format %p4cc\n", __func__,
-			&fb->format->format);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static const struct drm_encoder_helper_funcs rcar_du_wb_enc_helper_funcs = {
-	.atomic_check = rcar_du_wb_enc_atomic_check,
-};
-
-/*
- * Only RGB formats are currently supported as the VSP outputs RGB to the DU
- * and can't convert to YUV separately for writeback.
- */
-static const u32 writeback_formats[] = {
-	DRM_FORMAT_RGB332,
-	DRM_FORMAT_ARGB4444,
-	DRM_FORMAT_XRGB4444,
-	DRM_FORMAT_ARGB1555,
-	DRM_FORMAT_XRGB1555,
-	DRM_FORMAT_RGB565,
-	DRM_FORMAT_BGR888,
-	DRM_FORMAT_RGB888,
-	DRM_FORMAT_BGRA8888,
-	DRM_FORMAT_BGRX8888,
-	DRM_FORMAT_ARGB8888,
-	DRM_FORMAT_XRGB8888,
-};
-
-int rcar_du_writeback_init(struct rcar_du_device *rcdu,
-			   struct rcar_du_crtc *rcrtc)
-{
-	struct drm_writeback_connector *wb_conn = &rcrtc->writeback;
-
-	drm_connector_helper_add(&wb_conn->base,
-				 &rcar_du_wb_conn_helper_funcs);
-
-	return drm_writeback_connector_init(&rcdu->ddev, wb_conn,
-					    &rcar_du_wb_conn_funcs,
-					    &rcar_du_wb_enc_helper_funcs,
-					    writeback_formats,
-					    ARRAY_SIZE(writeback_formats),
-					    1 << drm_crtc_index(&rcrtc->crtc));
-}
-
-void rcar_du_writeback_setup(struct rcar_du_crtc *rcrtc,
-			     struct vsp1_du_writeback_config *cfg)
-{
-	struct rcar_du_wb_conn_state *wb_state;
-	struct drm_connector_state *state;
-	struct rcar_du_wb_job *rjob;
-	struct drm_framebuffer *fb;
-	unsigned int i;
-
-	state = rcrtc->writeback.base.state;
-	if (!state || !state->writeback_job)
-		return;
-
-	fb = state->writeback_job->fb;
-	rjob = state->writeback_job->priv;
-	wb_state = to_rcar_wb_conn_state(state);
-
-	cfg->pixelformat = wb_state->format->v4l2;
-	cfg->pitch = fb->pitches[0];
-
-	for (i = 0; i < wb_state->format->planes; ++i)
-		cfg->mem[i] = sg_dma_address(rjob->sg_tables[i].sgl)
-			    + fb->offsets[i];
-
-	drm_writeback_queue_job(&rcrtc->writeback, state);
-}
-
-void rcar_du_writeback_complete(struct rcar_du_crtc *rcrtc)
-{
-	drm_writeback_signal_completion(&rcrtc->writeback, 0);
-}