enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/gpu/drm/mediatek/mtk_drm_plane.c
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@@ -1,32 +1,31 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2015 MediaTek Inc.
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  * Author: CK Hu <ck.hu@mediatek.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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6
 
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-#include <drm/drmP.h>
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 #include <drm/drm_atomic.h>
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 #include <drm/drm_atomic_helper.h>
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+#include <drm/drm_fourcc.h>
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+#include <drm/drm_atomic_uapi.h>
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 #include <drm/drm_plane_helper.h>
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+#include <drm/drm_gem_framebuffer_helper.h>
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13
 
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 #include "mtk_drm_crtc.h"
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 #include "mtk_drm_ddp_comp.h"
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 #include "mtk_drm_drv.h"
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-#include "mtk_drm_fb.h"
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 #include "mtk_drm_gem.h"
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 #include "mtk_drm_plane.h"
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19
 
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 static const u32 formats[] = {
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 	DRM_FORMAT_XRGB8888,
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 	DRM_FORMAT_ARGB8888,
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+	DRM_FORMAT_BGRX8888,
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+	DRM_FORMAT_BGRA8888,
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+	DRM_FORMAT_ABGR8888,
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+	DRM_FORMAT_XBGR8888,
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+	DRM_FORMAT_RGB888,
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+	DRM_FORMAT_BGR888,
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 	DRM_FORMAT_RGB565,
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 	DRM_FORMAT_UYVY,
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 	DRM_FORMAT_YUYV,
..
..
@@ -77,6 +76,57 @@
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 	kfree(to_mtk_plane_state(state));
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 }
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+static int mtk_plane_atomic_async_check(struct drm_plane *plane,
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+					struct drm_plane_state *state)
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+{
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+	struct drm_crtc_state *crtc_state;
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+	int ret;
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+
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+	if (plane != state->crtc->cursor)
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+		return -EINVAL;
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+
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+	if (!plane->state)
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+		return -EINVAL;
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+
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+	if (!plane->state->fb)
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+		return -EINVAL;
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+
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+	ret = mtk_drm_crtc_plane_check(state->crtc, plane,
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+				       to_mtk_plane_state(state));
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+	if (ret)
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+		return ret;
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+
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+	if (state->state)
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+		crtc_state = drm_atomic_get_existing_crtc_state(state->state,
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+								state->crtc);
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+	else /* Special case for asynchronous cursor updates. */
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+		crtc_state = state->crtc->state;
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+
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+	return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
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+						   DRM_PLANE_HELPER_NO_SCALING,
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+						   DRM_PLANE_HELPER_NO_SCALING,
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+						   true, true);
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+}
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+
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+static void mtk_plane_atomic_async_update(struct drm_plane *plane,
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+					  struct drm_plane_state *new_state)
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+{
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+	struct mtk_plane_state *state = to_mtk_plane_state(plane->state);
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+
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+	plane->state->crtc_x = new_state->crtc_x;
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+	plane->state->crtc_y = new_state->crtc_y;
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+	plane->state->crtc_h = new_state->crtc_h;
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+	plane->state->crtc_w = new_state->crtc_w;
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+	plane->state->src_x = new_state->src_x;
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+	plane->state->src_y = new_state->src_y;
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+	plane->state->src_h = new_state->src_h;
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+	plane->state->src_w = new_state->src_w;
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+	swap(plane->state->fb, new_state->fb);
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+	state->pending.async_dirty = true;
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+
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+	mtk_drm_crtc_async_update(new_state->crtc, plane, new_state);
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+}
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+
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 static const struct drm_plane_funcs mtk_plane_funcs = {
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 	.update_plane = drm_atomic_helper_update_plane,
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 	.disable_plane = drm_atomic_helper_disable_plane,
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@@ -91,12 +141,18 @@
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 {
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 	struct drm_framebuffer *fb = state->fb;
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 	struct drm_crtc_state *crtc_state;
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+	int ret;
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 	if (!fb)
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 		return 0;
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-	if (!state->crtc)
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+	if (WARN_ON(!state->crtc))
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 		return 0;
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+
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+	ret = mtk_drm_crtc_plane_check(state->crtc, plane,
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+				       to_mtk_plane_state(state));
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+	if (ret)
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+		return ret;
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 	crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);
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 	if (IS_ERR(crtc_state))
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@@ -154,18 +210,23 @@
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 	state->pending.y = plane->state->dst.y1;
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 	state->pending.width = drm_rect_width(&plane->state->dst);
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 	state->pending.height = drm_rect_height(&plane->state->dst);
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+	state->pending.rotation = plane->state->rotation;
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 	wmb(); /* Make sure the above parameters are set before update */
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 	state->pending.dirty = true;
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 }
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 static const struct drm_plane_helper_funcs mtk_plane_helper_funcs = {
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+	.prepare_fb = drm_gem_fb_prepare_fb,
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 	.atomic_check = mtk_plane_atomic_check,
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 	.atomic_update = mtk_plane_atomic_update,
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 	.atomic_disable = mtk_plane_atomic_disable,
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+	.atomic_async_update = mtk_plane_atomic_async_update,
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+	.atomic_async_check = mtk_plane_atomic_async_check,
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 };
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 int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane,
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-		   unsigned long possible_crtcs, enum drm_plane_type type)
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+		   unsigned long possible_crtcs, enum drm_plane_type type,
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+		   unsigned int supported_rotations)
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 {
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 	int err;
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@@ -177,6 +238,14 @@
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 		return err;
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 	}
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+	if (supported_rotations & ~DRM_MODE_ROTATE_0) {
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+		err = drm_plane_create_rotation_property(plane,
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+							 DRM_MODE_ROTATE_0,
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+							 supported_rotations);
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+		if (err)
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+			DRM_INFO("Create rotation property failed\n");
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+	}
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+
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 	drm_plane_helper_add(plane, &mtk_plane_helper_funcs);
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 	return 0;