add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c
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@@ -1,21 +1,12 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2014, The Linux Foundation. All rights reserved.
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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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+#include <drm/drm_fourcc.h>
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+#include <drm/drm_util.h>
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 #include "mdp5_kms.h"
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 #include "mdp5_smp.h"
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@@ -88,7 +79,7 @@
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 	avail = cnt - bitmap_weight(state->state, cnt);
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 	if (nblks > avail) {
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-		dev_err(smp->dev->dev, "out of blks (req=%d > avail=%d)\n",
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+		DRM_DEV_ERROR(smp->dev->dev, "out of blks (req=%d > avail=%d)\n",
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 				nblks, avail);
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 		return -ENOSPC;
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 	}
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@@ -126,14 +117,14 @@
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 		const struct mdp_format *format,
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 		u32 width, bool hdecim)
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 {
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+	const struct drm_format_info *info = drm_format_info(format->base.pixel_format);
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 	struct mdp5_kms *mdp5_kms = get_kms(smp);
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 	int rev = mdp5_cfg_get_hw_rev(mdp5_kms->cfg);
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 	int i, hsub, nplanes, nlines;
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-	u32 fmt = format->base.pixel_format;
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 	uint32_t blkcfg = 0;
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-	nplanes = drm_format_num_planes(fmt);
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-	hsub = drm_format_horz_chroma_subsampling(fmt);
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+	nplanes = info->num_planes;
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+	hsub = info->hsub;
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 	/* different if BWC (compressed framebuffer?) enabled: */
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 	nlines = 2;
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@@ -143,7 +134,6 @@
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 	 * them together, writes to SMP using a single client.
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 	 */
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 	if ((rev > 0) && (format->chroma_sample > CHROMA_FULL)) {
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-		fmt = DRM_FORMAT_NV24;
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 		nplanes = 2;
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 		/* if decimation is enabled, HW decimates less on the
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@@ -156,7 +146,7 @@
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 	for (i = 0; i < nplanes; i++) {
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 		int n, fetch_stride, cpp;
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-		cpp = drm_format_plane_cpp(fmt, i);
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+		cpp = info->cpp[i];
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 		fetch_stride = width * cpp / (i ? hsub : 1);
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 		n = DIV_ROUND_UP(fetch_stride * nlines, smp->blk_size);
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@@ -188,7 +178,7 @@
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 		DBG("%s[%d]: request %d SMP blocks", pipe2name(pipe), i, n);
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 		ret = smp_request_block(smp, state, cid, n);
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 		if (ret) {
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-			dev_err(dev->dev, "Cannot allocate %d SMP blocks: %d\n",
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+			DRM_DEV_ERROR(dev->dev, "Cannot allocate %d SMP blocks: %d\n",
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 					n, ret);
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 			return ret;
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 		}