change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/gpu/drm/sti/sti_drv.c
..
..
@@ -4,24 +4,23 @@
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4
  * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
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  */
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6
 
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-#include <drm/drmP.h>
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-
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 #include <linux/component.h>
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-#include <linux/debugfs.h>
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+#include <linux/dma-mapping.h>
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9
 #include <linux/kernel.h>
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 #include <linux/module.h>
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 #include <linux/of_platform.h>
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12
 
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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_crtc_helper.h>
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+#include <drm/drm_debugfs.h>
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+#include <drm/drm_drv.h>
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+#include <drm/drm_fb_cma_helper.h>
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+#include <drm/drm_fb_helper.h>
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 #include <drm/drm_gem_cma_helper.h>
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 #include <drm/drm_gem_framebuffer_helper.h>
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-#include <drm/drm_fb_helper.h>
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-#include <drm/drm_fb_cma_helper.h>
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 #include <drm/drm_of.h>
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+#include <drm/drm_probe_helper.h>
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-#include "sti_crtc.h"
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 #include "sti_drv.h"
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 #include "sti_plane.h"
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..
..
@@ -93,35 +92,20 @@
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 	{"fps_get", sti_drm_fps_dbg_show, 0},
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 };
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94
 
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-static int sti_drm_dbg_init(struct drm_minor *minor)
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+static void sti_drm_dbg_init(struct drm_minor *minor)
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 {
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-	struct dentry *dentry;
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-	int ret;
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+	drm_debugfs_create_files(sti_drm_dbg_list,
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+				 ARRAY_SIZE(sti_drm_dbg_list),
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+				 minor->debugfs_root, minor);
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-	ret = drm_debugfs_create_files(sti_drm_dbg_list,
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-				       ARRAY_SIZE(sti_drm_dbg_list),
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-				       minor->debugfs_root, minor);
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-	if (ret)
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-		goto err;
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-
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-	dentry = debugfs_create_file("fps_show", S_IRUGO | S_IWUSR,
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-				     minor->debugfs_root, minor->dev,
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-				     &sti_drm_fps_fops);
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-	if (!dentry) {
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-		ret = -ENOMEM;
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-		goto err;
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-	}
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+	debugfs_create_file("fps_show", S_IRUGO | S_IWUSR, minor->debugfs_root,
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+			    minor->dev, &sti_drm_fps_fops);
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 	DRM_INFO("%s: debugfs installed\n", DRIVER_NAME);
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-	return 0;
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-err:
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-	DRM_ERROR("%s: cannot install debugfs\n", DRIVER_NAME);
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-	return ret;
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105
 }
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 static const struct drm_mode_config_funcs sti_mode_config_funcs = {
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 	.fb_create = drm_gem_fb_create,
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-	.output_poll_changed = drm_fb_helper_output_poll_changed,
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 	.atomic_check = drm_atomic_helper_check,
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 	.atomic_commit = drm_atomic_helper_commit,
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 };
..
..
@@ -147,25 +131,9 @@
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 DEFINE_DRM_GEM_CMA_FOPS(sti_driver_fops);
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 static struct drm_driver sti_driver = {
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-	.driver_features = DRIVER_MODESET |
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-	    DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC,
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-	.gem_free_object_unlocked = drm_gem_cma_free_object,
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-	.gem_vm_ops = &drm_gem_cma_vm_ops,
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-	.dumb_create = drm_gem_cma_dumb_create,
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+	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
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 	.fops = &sti_driver_fops,
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-
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-	.enable_vblank = sti_crtc_enable_vblank,
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-	.disable_vblank = sti_crtc_disable_vblank,
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-
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-	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
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-	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
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-	.gem_prime_export = drm_gem_prime_export,
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-	.gem_prime_import = drm_gem_prime_import,
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-	.gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
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-	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
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-	.gem_prime_vmap = drm_gem_cma_prime_vmap,
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-	.gem_prime_vunmap = drm_gem_cma_prime_vunmap,
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-	.gem_prime_mmap = drm_gem_cma_prime_mmap,
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+	DRM_GEM_CMA_DRIVER_OPS,
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 	.debugfs_init = sti_drm_dbg_init,
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139
 
..
..
@@ -206,8 +174,9 @@
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 {
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 	struct sti_private *private = ddev->dev_private;
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-	drm_fb_cma_fbdev_fini(ddev);
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 	drm_kms_helper_poll_fini(ddev);
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+	drm_atomic_helper_shutdown(ddev);
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+	drm_mode_config_cleanup(ddev);
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 	component_unbind_all(ddev->dev, ddev);
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 	kfree(private);
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 	ddev->dev_private = NULL;
..
..
@@ -232,20 +201,14 @@
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 	ret = drm_dev_register(ddev, 0);
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 	if (ret)
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-		goto err_register;
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+		goto err_cleanup;
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 	drm_mode_config_reset(ddev);
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207
 
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-	if (ddev->mode_config.num_connector) {
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-		ret = drm_fb_cma_fbdev_init(ddev, 32, 0);
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-		if (ret)
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-			DRM_DEBUG_DRIVER("Warning: fails to create fbdev\n");
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-	}
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+	drm_fbdev_generic_setup(ddev, 32);
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209
 
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 	return 0;
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211
 
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-err_register:
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-	drm_mode_config_cleanup(ddev);
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 err_cleanup:
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 	sti_cleanup(ddev);
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 err_drm_dev_put: