disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
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..
@@ -1,15 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Copyright (c) 2016 MediaTek Inc.
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  * Author: PC Chen <pc.chen@mediatek.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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6
 
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 #include <linux/module.h>
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@@ -37,6 +29,9 @@
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 #define H264_MAX_FB_NUM				17
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 #define HDR_PARSING_BUF_SZ			1024
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31
 
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+#define DEC_ERR_RET(ret)			((ret) >> 16)
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+#define H264_ERR_NOT_VALID			3
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+
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 /**
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  * struct h264_fb - h264 decode frame buffer information
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  * @vdec_fb_va  : virtual address of struct vdec_fb
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@@ -55,7 +50,7 @@
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50
 
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 /**
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  * struct h264_ring_fb_list - ring frame buffer list
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- * @fb_list   : frame buffer arrary
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+ * @fb_list   : frame buffer array
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  * @read_idx  : read index
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  * @write_idx : write index
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  * @count     : buffer count in list
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@@ -72,7 +67,7 @@
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 /**
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  * struct vdec_h264_dec_info - decode information
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  * @dpb_sz		: decoding picture buffer size
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- * @resolution_changed  : resoltion change happen
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+ * @resolution_changed  : resolution change happen
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  * @realloc_mv_buf	: flag to notify driver to re-allocate mv buffer
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  * @reserved		: for 8 bytes alignment
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  * @bs_dma		: Input bit-stream buffer dma address
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@@ -253,8 +248,8 @@
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 	*pic = inst->vsi->pic;
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 	mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
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 			 pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
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-	mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
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-			 pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
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+	mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
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+			 pic->fb_sz[0], pic->fb_sz[1]);
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 }
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 static void get_crop_info(struct vdec_h264_inst *inst, struct v4l2_rect *cr)
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@@ -274,7 +269,7 @@
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 	mtk_vcodec_debug(inst, "sz=%d", *dpb_sz);
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 }
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271
 
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-static int vdec_h264_init(struct mtk_vcodec_ctx *ctx, unsigned long *h_vdec)
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+static int vdec_h264_init(struct mtk_vcodec_ctx *ctx)
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 {
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 	struct vdec_h264_inst *inst = NULL;
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 	int err;
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@@ -286,9 +281,7 @@
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 	inst->ctx = ctx;
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 	inst->vpu.id = IPI_VDEC_H264;
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-	inst->vpu.dev = ctx->dev->vpu_plat_dev;
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 	inst->vpu.ctx = ctx;
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-	inst->vpu.handler = vpu_dec_ipi_handler;
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285
 
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 	err = vpu_dec_init(&inst->vpu);
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 	if (err) {
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@@ -303,7 +296,7 @@
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 	mtk_vcodec_debug(inst, "H264 Instance >> %p", inst);
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-	*h_vdec = (unsigned long)inst;
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+	ctx->drv_handle = inst;
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 	return 0;
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 error_deinit:
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@@ -314,7 +307,7 @@
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 	return err;
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 }
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-static void vdec_h264_deinit(unsigned long h_vdec)
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+static void vdec_h264_deinit(void *h_vdec)
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 {
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 	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
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313
 
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@@ -339,7 +332,7 @@
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 	return -1;
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 }
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-static int vdec_h264_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,
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+static int vdec_h264_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
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 			    struct vdec_fb *fb, bool *res_chg)
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 {
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 	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
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@@ -365,8 +358,11 @@
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 	buf = (unsigned char *)bs->va;
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 	buf_sz = bs->size;
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 	nal_start_idx = find_start_code(buf, buf_sz);
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-	if (nal_start_idx < 0)
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+	if (nal_start_idx < 0) {
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+		mtk_vcodec_err(inst, "invalid nal start code");
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+		err = -EIO;
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 		goto err_free_fb_out;
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+	}
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 	nal_start = buf[nal_start_idx];
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 	nal_type = NAL_TYPE(buf[nal_start_idx]);
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@@ -390,8 +386,14 @@
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 	data[0] = buf_sz;
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 	data[1] = nal_start;
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 	err = vpu_dec_start(vpu, data, 2);
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-	if (err)
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+	if (err) {
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+		if (err > 0 && (DEC_ERR_RET(err) == H264_ERR_NOT_VALID)) {
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+			mtk_vcodec_err(inst, "- error bitstream - err = %d -",
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+				       err);
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+			err = -EIO;
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+		}
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 		goto err_free_fb_out;
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+	}
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 	*res_chg = inst->vsi->dec.resolution_changed;
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 	if (*res_chg) {
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@@ -459,8 +461,8 @@
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 	list->count--;
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 }
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-static int vdec_h264_get_param(unsigned long h_vdec,
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-			       enum vdec_get_param_type type, void *out)
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+static int vdec_h264_get_param(void *h_vdec, enum vdec_get_param_type type,
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+			       void *out)
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 {
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 	struct vdec_h264_inst *inst = (struct vdec_h264_inst *)h_vdec;
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@@ -493,16 +495,9 @@
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 	return 0;
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 }
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-static struct vdec_common_if vdec_h264_if = {
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+const struct vdec_common_if vdec_h264_if = {
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 	.init		= vdec_h264_init,
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 	.decode		= vdec_h264_decode,
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 	.get_param	= vdec_h264_get_param,
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 	.deinit		= vdec_h264_deinit,
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 };
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-
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-struct vdec_common_if *get_h264_dec_comm_if(void);
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-
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-struct vdec_common_if *get_h264_dec_comm_if(void)
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-{
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-	return &vdec_h264_if;
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-}