From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/sun4i/sun4i_layer.c | 87 +++++++++++++++++++++++++++++++++++--------
1 files changed, 70 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/gpu/drm/sun4i/sun4i_layer.c b/kernel/drivers/gpu/drm/sun4i/sun4i_layer.c
index 750ad24..acfbfd4 100644
--- a/kernel/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/kernel/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -1,18 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2015 Free Electrons
* Copyright (C) 2015 NextThing Co
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
*/
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane_helper.h>
-#include <drm/drmP.h>
#include "sun4i_backend.h"
#include "sun4i_frontend.h"
@@ -35,9 +31,7 @@
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (state) {
- plane->state = &state->state;
- plane->state->plane = plane;
- plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
+ __drm_atomic_helper_plane_reset(plane, &state->state);
plane->state->zpos = layer->id;
}
}
@@ -94,14 +88,16 @@
struct sun4i_backend *backend = layer->backend;
struct sun4i_frontend *frontend = backend->frontend;
+ sun4i_backend_cleanup_layer(backend, layer->id);
+
if (layer_state->uses_frontend) {
sun4i_frontend_init(frontend);
sun4i_frontend_update_coord(frontend, plane);
sun4i_frontend_update_buffer(frontend, plane);
sun4i_frontend_update_formats(frontend, plane,
- DRM_FORMAT_ARGB8888);
+ DRM_FORMAT_XRGB8888);
sun4i_backend_update_layer_frontend(backend, layer->id,
- DRM_FORMAT_ARGB8888);
+ DRM_FORMAT_XRGB8888);
sun4i_frontend_enable(frontend);
} else {
sun4i_backend_update_layer_formats(backend, layer->id, plane);
@@ -113,7 +109,20 @@
sun4i_backend_layer_enable(backend, layer->id, true);
}
+static bool sun4i_layer_format_mod_supported(struct drm_plane *plane,
+ uint32_t format, uint64_t modifier)
+{
+ struct sun4i_layer *layer = plane_to_sun4i_layer(plane);
+
+ if (IS_ERR_OR_NULL(layer->backend->frontend))
+ sun4i_backend_format_is_supported(format, modifier);
+
+ return sun4i_backend_format_is_supported(format, modifier) ||
+ sun4i_frontend_format_is_supported(format, modifier);
+}
+
static const struct drm_plane_helper_funcs sun4i_backend_layer_helper_funcs = {
+ .prepare_fb = drm_gem_fb_prepare_fb,
.atomic_disable = sun4i_backend_layer_atomic_disable,
.atomic_update = sun4i_backend_layer_atomic_update,
};
@@ -125,6 +134,35 @@
.disable_plane = drm_atomic_helper_disable_plane,
.reset = sun4i_backend_layer_reset,
.update_plane = drm_atomic_helper_update_plane,
+ .format_mod_supported = sun4i_layer_format_mod_supported,
+};
+
+static const uint32_t sun4i_layer_formats[] = {
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ARGB4444,
+ DRM_FORMAT_ARGB1555,
+ DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_RGBA5551,
+ DRM_FORMAT_RGBA4444,
+ DRM_FORMAT_RGB888,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_NV12,
+ DRM_FORMAT_NV16,
+ DRM_FORMAT_NV21,
+ DRM_FORMAT_NV61,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_VYUY,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_YUV411,
+ DRM_FORMAT_YUV420,
+ DRM_FORMAT_YUV422,
+ DRM_FORMAT_YUV444,
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_YVU411,
+ DRM_FORMAT_YVU420,
+ DRM_FORMAT_YVU422,
+ DRM_FORMAT_YVU444,
+ DRM_FORMAT_YVYU,
};
static const uint32_t sun4i_backend_layer_formats[] = {
@@ -142,10 +180,19 @@
DRM_FORMAT_YVYU,
};
+static const uint64_t sun4i_layer_modifiers[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_ALLWINNER_TILED,
+ DRM_FORMAT_MOD_INVALID
+};
+
static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
struct sun4i_backend *backend,
enum drm_plane_type type)
{
+ const uint64_t *modifiers = sun4i_layer_modifiers;
+ const uint32_t *formats = sun4i_layer_formats;
+ unsigned int formats_len = ARRAY_SIZE(sun4i_layer_formats);
struct sun4i_layer *layer;
int ret;
@@ -153,12 +200,19 @@
if (!layer)
return ERR_PTR(-ENOMEM);
+ layer->backend = backend;
+
+ if (IS_ERR_OR_NULL(backend->frontend)) {
+ formats = sun4i_backend_layer_formats;
+ formats_len = ARRAY_SIZE(sun4i_backend_layer_formats);
+ modifiers = NULL;
+ }
+
/* possible crtcs are set later */
ret = drm_universal_plane_init(drm, &layer->plane, 0,
&sun4i_backend_layer_funcs,
- sun4i_backend_layer_formats,
- ARRAY_SIZE(sun4i_backend_layer_formats),
- NULL, type, NULL);
+ formats, formats_len,
+ modifiers, type, NULL);
if (ret) {
dev_err(drm->dev, "Couldn't initialize layer\n");
return ERR_PTR(ret);
@@ -166,7 +220,6 @@
drm_plane_helper_add(&layer->plane,
&sun4i_backend_layer_helper_funcs);
- layer->backend = backend;
drm_plane_create_alpha_property(&layer->plane);
drm_plane_create_zpos_property(&layer->plane, 0, 0,
@@ -197,11 +250,11 @@
dev_err(drm->dev, "Couldn't initialize %s plane\n",
i ? "overlay" : "primary");
return ERR_CAST(layer);
- };
+ }
layer->id = i;
planes[i] = &layer->plane;
- };
+ }
return planes;
}
--
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