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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/msm/msm_fbdev.c
..
..
@@ -1,22 +1,12 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2013 Red Hat
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  * Author: Rob Clark <robdclark@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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6
 
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 #include <drm/drm_crtc.h>
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8
 #include <drm/drm_fb_helper.h>
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+#include <drm/drm_fourcc.h>
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10
 
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 #include "msm_drv.h"
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12
 #include "msm_kms.h"
..
..
@@ -36,7 +26,7 @@
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 	struct drm_framebuffer *fb;
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 };
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28
 
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-static struct fb_ops msm_fb_ops = {
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+static const struct fb_ops msm_fb_ops = {
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 	.owner = THIS_MODULE,
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 	DRM_FB_HELPER_DEFAULT_OPS,
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32
 
..
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@@ -91,7 +81,7 @@
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 			sizes->surface_height, pitch, format);
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82
 
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 	if (IS_ERR(fb)) {
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-		dev_err(dev->dev, "failed to allocate fb\n");
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+		DRM_DEV_ERROR(dev->dev, "failed to allocate fb\n");
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 		return PTR_ERR(fb);
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 	}
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87
 
..
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@@ -104,15 +94,15 @@
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 	 * in panic (ie. lock-safe, etc) we could avoid pinning the
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 	 * buffer now:
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 	 */
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-	ret = msm_gem_get_iova(bo, priv->kms->aspace, &paddr);
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+	ret = msm_gem_get_and_pin_iova(bo, priv->kms->aspace, &paddr);
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 	if (ret) {
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-		dev_err(dev->dev, "failed to get buffer obj iova: %d\n", ret);
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+		DRM_DEV_ERROR(dev->dev, "failed to get buffer obj iova: %d\n", ret);
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 		goto fail_unlock;
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 	}
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 	fbi = drm_fb_helper_alloc_fbi(helper);
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 	if (IS_ERR(fbi)) {
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-		dev_err(dev->dev, "failed to allocate fb info\n");
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+		DRM_DEV_ERROR(dev->dev, "failed to allocate fb info\n");
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 		ret = PTR_ERR(fbi);
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 		goto fail_unlock;
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 	}
..
..
@@ -122,13 +112,9 @@
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 	fbdev->fb = fb;
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 	helper->fb = fb;
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114
 
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-	fbi->par = helper;
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 	fbi->fbops = &msm_fb_ops;
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116
 
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-	strcpy(fbi->fix.id, "msm");
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-
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-	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth);
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-	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
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+	drm_fb_helper_fill_info(fbi, helper, sizes);
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118
 
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 	dev->mode_config.fb_base = paddr;
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120
 
..
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@@ -174,15 +160,14 @@
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160
 
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 	drm_fb_helper_prepare(dev, helper, &msm_fb_helper_funcs);
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162
 
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-	ret = drm_fb_helper_init(dev, helper, priv->num_connectors);
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+	ret = drm_fb_helper_init(dev, helper);
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 	if (ret) {
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-		dev_err(dev->dev, "could not init fbdev: ret=%d\n", ret);
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+		DRM_DEV_ERROR(dev->dev, "could not init fbdev: ret=%d\n", ret);
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 		goto fail;
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 	}
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168
 
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-	ret = drm_fb_helper_single_add_all_connectors(helper);
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-	if (ret)
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-		goto fini;
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+	/* the fw fb could be anywhere in memory */
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+	drm_fb_helper_remove_conflicting_framebuffers(NULL, "msm", false);
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171
 
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 	ret = drm_fb_helper_initial_config(helper, 32);
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 	if (ret)