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_drv.c | 111 +++++++++++++++++++++++++++++--------------------------
1 files changed, 58 insertions(+), 53 deletions(-)
diff --git a/kernel/drivers/gpu/drm/sun4i/sun4i_drv.c b/kernel/drivers/gpu/drm/sun4i/sun4i_drv.c
index 57f61ec..9c6ae8c 100644
--- a/kernel/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/kernel/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -1,26 +1,26 @@
+// 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 <linux/component.h>
#include <linux/kfifo.h>
+#include <linux/module.h>
#include <linux/of_graph.h>
#include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
-#include <drm/drmP.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_drv.h>
#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_of.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
#include "sun4i_drv.h"
#include "sun4i_frontend.h"
@@ -28,13 +28,22 @@
#include "sun4i_tcon.h"
#include "sun8i_tcon_top.h"
+static int drm_sun4i_gem_dumb_create(struct drm_file *file_priv,
+ struct drm_device *drm,
+ struct drm_mode_create_dumb *args)
+{
+ /* The hardware only allows even pitches for YUV buffers. */
+ args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), 2);
+
+ return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
+}
+
DEFINE_DRM_GEM_CMA_FOPS(sun4i_drv_fops);
static struct drm_driver sun4i_drv_driver = {
- .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC,
+ .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
/* Generic Operations */
- .lastclose = drm_fb_helper_lastclose,
.fops = &sun4i_drv_fops,
.name = "sun4i-drm",
.desc = "Allwinner sun4i Display Engine",
@@ -43,39 +52,8 @@
.minor = 0,
/* GEM Operations */
- .dumb_create = drm_gem_cma_dumb_create,
- .gem_free_object_unlocked = drm_gem_cma_free_object,
- .gem_vm_ops = &drm_gem_cma_vm_ops,
-
- /* PRIME Operations */
- .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
- .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_import = drm_gem_prime_import,
- .gem_prime_export = drm_gem_prime_export,
- .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
- .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
- .gem_prime_vmap = drm_gem_cma_prime_vmap,
- .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
- .gem_prime_mmap = drm_gem_cma_prime_mmap,
-
- /* Frame Buffer Operations */
+ DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_sun4i_gem_dumb_create),
};
-
-static void sun4i_remove_framebuffers(void)
-{
- struct apertures_struct *ap;
-
- ap = alloc_apertures(1);
- if (!ap)
- return;
-
- /* The framebuffer can be located anywhere in RAM */
- ap->ranges[0].base = 0;
- ap->ranges[0].size = ~0;
-
- drm_fb_helper_remove_conflicting_framebuffers(ap, "sun4i-drm-fb", false);
- kfree(ap);
-}
static int sun4i_drv_bind(struct device *dev)
{
@@ -93,7 +71,6 @@
goto free_drm;
}
- dev_set_drvdata(dev, drm);
drm->dev_private = drv;
INIT_LIST_HEAD(&drv->frontend_list);
INIT_LIST_HEAD(&drv->engine_list);
@@ -116,19 +93,14 @@
/* drm_vblank_init calls kcalloc, which can fail */
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (ret)
- goto cleanup_mode_config;
+ goto unbind_all;
drm->irq_enabled = true;
/* Remove early framebuffers (ie. simplefb) */
- sun4i_remove_framebuffers();
+ drm_fb_helper_remove_conflicting_framebuffers(NULL, "sun4i-drm-fb", false);
- /* Create our framebuffer */
- ret = sun4i_framebuffer_init(drm);
- if (ret) {
- dev_err(drm->dev, "Couldn't create our framebuffer\n");
- goto cleanup_mode_config;
- }
+ sun4i_framebuffer_init(drm);
/* Enable connectors polling */
drm_kms_helper_poll_init(drm);
@@ -137,11 +109,16 @@
if (ret)
goto finish_poll;
+ drm_fbdev_generic_setup(drm, 32);
+
+ dev_set_drvdata(dev, drm);
+
return 0;
finish_poll:
drm_kms_helper_poll_fini(drm);
- sun4i_framebuffer_free(drm);
+unbind_all:
+ component_unbind_all(dev, NULL);
cleanup_mode_config:
drm_mode_config_cleanup(drm);
of_reserved_mem_device_release(dev);
@@ -154,9 +131,10 @@
{
struct drm_device *drm = dev_get_drvdata(dev);
+ dev_set_drvdata(dev, NULL);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);
- sun4i_framebuffer_free(drm);
+ drm_atomic_helper_shutdown(drm);
drm_mode_config_cleanup(drm);
component_unbind_all(dev, NULL);
@@ -181,6 +159,7 @@
of_device_is_compatible(node, "allwinner,sun5i-a13-display-frontend") ||
of_device_is_compatible(node, "allwinner,sun6i-a31-display-frontend") ||
of_device_is_compatible(node, "allwinner,sun7i-a20-display-frontend") ||
+ of_device_is_compatible(node, "allwinner,sun8i-a23-display-frontend") ||
of_device_is_compatible(node, "allwinner,sun8i-a33-display-frontend") ||
of_device_is_compatible(node, "allwinner,sun9i-a80-display-frontend");
}
@@ -369,6 +348,27 @@
return count;
}
+#ifdef CONFIG_PM_SLEEP
+static int sun4i_drv_drm_sys_suspend(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_suspend(drm);
+}
+
+static int sun4i_drv_drm_sys_resume(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_resume(drm);
+}
+#endif
+
+static const struct dev_pm_ops sun4i_drv_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(sun4i_drv_drm_sys_suspend,
+ sun4i_drv_drm_sys_resume)
+};
+
static int sun4i_drv_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
@@ -422,11 +422,15 @@
{ .compatible = "allwinner,sun6i-a31-display-engine" },
{ .compatible = "allwinner,sun6i-a31s-display-engine" },
{ .compatible = "allwinner,sun7i-a20-display-engine" },
+ { .compatible = "allwinner,sun8i-a23-display-engine" },
{ .compatible = "allwinner,sun8i-a33-display-engine" },
{ .compatible = "allwinner,sun8i-a83t-display-engine" },
{ .compatible = "allwinner,sun8i-h3-display-engine" },
+ { .compatible = "allwinner,sun8i-r40-display-engine" },
{ .compatible = "allwinner,sun8i-v3s-display-engine" },
{ .compatible = "allwinner,sun9i-a80-display-engine" },
+ { .compatible = "allwinner,sun50i-a64-display-engine" },
+ { .compatible = "allwinner,sun50i-h6-display-engine" },
{ }
};
MODULE_DEVICE_TABLE(of, sun4i_drv_of_table);
@@ -437,6 +441,7 @@
.driver = {
.name = "sun4i-drm",
.of_match_table = sun4i_drv_of_table,
+ .pm = &sun4i_drv_drm_pm_ops,
},
};
module_platform_driver(sun4i_drv_platform_driver);
--
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