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build/patch/kernel/archive/meson64-6.4/general-meson-vdec-improve-mmu-and-fbc-handling-.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: benjamin545 <benjamin545@gmail.com>
Date: Thu, 15 Jul 2021 16:32:39 -0400
Subject: WIP: drivers: meson: vdec: improve mmu and fbc handling and add 10
bit handling
Unknown patch. From LibreELEC?
---
drivers/staging/media/meson/vdec/codec_h264.c | 3 +-
drivers/staging/media/meson/vdec/codec_hevc_common.c | 164 ++++++----
drivers/staging/media/meson/vdec/codec_hevc_common.h | 3 +-
drivers/staging/media/meson/vdec/codec_vp9.c | 36 +-
drivers/staging/media/meson/vdec/esparser.c | 1 +
drivers/staging/media/meson/vdec/vdec.h | 1 +
drivers/staging/media/meson/vdec/vdec_helpers.c | 46 ++-
drivers/staging/media/meson/vdec/vdec_helpers.h | 10 +-
8 files changed, 163 insertions(+), 101 deletions(-)
diff --git a/drivers/staging/media/meson/vdec/codec_h264.c b/drivers/staging/media/meson/vdec/codec_h264.c
index c61128fc4bb9..d53c9a464bde 100644
--- a/drivers/staging/media/meson/vdec/codec_h264.c
+++ b/drivers/staging/media/meson/vdec/codec_h264.c
@@ -353,7 +353,8 @@ static void codec_h264_src_change(struct amvdec_session *sess)
frame_width, frame_height, crop_right, crop_bottom);
codec_h264_set_par(sess);
- amvdec_src_change(sess, frame_width, frame_height, h264->max_refs + 5);
+ amvdec_src_change(sess, frame_width, frame_height,
+ h264->max_refs + 5, 8);
}
/*
diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.c b/drivers/staging/media/meson/vdec/codec_hevc_common.c
index 0315cc0911cd..d6ed82dc93ca 100644
--- a/drivers/staging/media/meson/vdec/codec_hevc_common.c
+++ b/drivers/staging/media/meson/vdec/codec_hevc_common.c
@@ -30,8 +30,11 @@ const u16 vdec_hevc_parser_cmd[] = {
void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit)
{
struct amvdec_core *core = sess->core;
- u32 body_size = amvdec_am21c_body_size(sess->width, sess->height);
- u32 head_size = amvdec_am21c_head_size(sess->width, sess->height);
+ u32 use_mmu = codec_hevc_use_mmu(core->platform->revision,
+ sess->pixfmt_cap, is_10bit);
+ u32 body_size = amvdec_amfbc_body_size(sess->width, sess->height,
+ is_10bit, use_mmu);
+ u32 head_size = amvdec_amfbc_head_size(sess->width, sess->height);
if (!codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) {
/* Enable 2-plane reference read mode */
@@ -39,9 +42,17 @@ void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit)
return;
}
+ /* enable mem saving mode for 8-bit */
+ if (!is_10bit)
+ amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(9));
+ else
+ amvdec_clear_dos_bits(core, HEVC_SAO_CTRL5, BIT(9));
+
if (codec_hevc_use_mmu(core->platform->revision,
sess->pixfmt_cap, is_10bit))
amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(4));
+ else if (!is_10bit)
+ amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(3));
else
amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, 0);
@@ -73,7 +84,7 @@ static void codec_hevc_setup_buffers_gxbb(struct amvdec_session *sess,
idx = vb->index;
- if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit))
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit))
buf_y_paddr = comm->fbc_buffer_paddr[idx];
else
buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
@@ -114,8 +125,8 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess,
{
struct amvdec_core *core = sess->core;
struct v4l2_m2m_buffer *buf;
- u32 revision = core->platform->revision;
u32 pixfmt_cap = sess->pixfmt_cap;
+ const u32 revision = core->platform->revision;
int i;
amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR,
@@ -127,12 +138,14 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess,
dma_addr_t buf_uv_paddr = 0;
u32 idx = vb->index;
- if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit))
- buf_y_paddr = comm->mmu_header_paddr[idx];
- else if (codec_hevc_use_downsample(pixfmt_cap, is_10bit))
- buf_y_paddr = comm->fbc_buffer_paddr[idx];
- else
- buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ if (codec_hevc_use_downsample(pixfmt_cap, is_10bit)) {
+ if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit))
+ buf_y_paddr = comm->mmu_header_paddr[idx];
+ else
+ buf_y_paddr = comm->fbc_buffer_paddr[idx];
+ } else {
+ buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ }
amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_DATA,
buf_y_paddr >> 5);
@@ -150,60 +163,67 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess,
amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, 0);
}
-void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,
+void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
struct codec_hevc_common *comm)
{
struct device *dev = sess->core->dev;
- u32 am21_size = amvdec_am21c_size(sess->width, sess->height);
int i;
for (i = 0; i < MAX_REF_PIC_NUM; ++i) {
- if (comm->fbc_buffer_vaddr[i]) {
- dma_free_coherent(dev, am21_size,
- comm->fbc_buffer_vaddr[i],
- comm->fbc_buffer_paddr[i]);
- comm->fbc_buffer_vaddr[i] = NULL;
+ if (comm->mmu_header_vaddr[i]) {
+ dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
+ comm->mmu_header_vaddr[i],
+ comm->mmu_header_paddr[i]);
+ comm->mmu_header_vaddr[i] = NULL;
}
}
}
-EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers);
+EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers);
-static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess,
+static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess,
struct codec_hevc_common *comm)
{
struct device *dev = sess->core->dev;
struct v4l2_m2m_buffer *buf;
- u32 am21_size = amvdec_am21c_size(sess->width, sess->height);
v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
u32 idx = buf->vb.vb2_buf.index;
dma_addr_t paddr;
- void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr,
- GFP_KERNEL);
+ void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
+ &paddr, GFP_KERNEL);
if (!vaddr) {
- codec_hevc_free_fbc_buffers(sess, comm);
+ codec_hevc_free_mmu_headers(sess, comm);
return -ENOMEM;
}
- comm->fbc_buffer_vaddr[idx] = vaddr;
- comm->fbc_buffer_paddr[idx] = paddr;
+ comm->mmu_header_vaddr[idx] = vaddr;
+ comm->mmu_header_paddr[idx] = paddr;
}
return 0;
}
-void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
+void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,
struct codec_hevc_common *comm)
{
struct device *dev = sess->core->dev;
+ u32 use_mmu;
+ u32 am21_size;
int i;
+ use_mmu = codec_hevc_use_mmu(sess->core->platform->revision,
+ sess->pixfmt_cap,
+ sess->bitdepth == 10 ? 1 : 0);
+
+ am21_size = amvdec_amfbc_size(sess->width, sess->height,
+ sess->bitdepth == 10 ? 1 : 0, use_mmu);
+
for (i = 0; i < MAX_REF_PIC_NUM; ++i) {
- if (comm->mmu_header_vaddr[i]) {
- dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
- comm->mmu_header_vaddr[i],
- comm->mmu_header_paddr[i]);
- comm->mmu_header_vaddr[i] = NULL;
+ if (comm->fbc_buffer_vaddr[i]) {
+ dma_free_coherent(dev, am21_size,
+ comm->fbc_buffer_vaddr[i],
+ comm->fbc_buffer_paddr[i]);
+ comm->fbc_buffer_vaddr[i] = NULL;
}
}
@@ -213,33 +233,49 @@ void codec_hevc_free_mmu_headers(struct amvdec_session *sess,
comm->mmu_map_paddr);
comm->mmu_map_vaddr = NULL;
}
+
+ codec_hevc_free_mmu_headers(sess, comm);
}
-EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers);
+EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers);
-static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess,
+static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess,
struct codec_hevc_common *comm)
{
struct device *dev = sess->core->dev;
struct v4l2_m2m_buffer *buf;
+ u32 use_mmu;
+ u32 am21_size;
+ const u32 revision = sess->core->platform->revision;
+ const u32 is_10bit = sess->bitdepth == 10 ? 1 : 0;
+ int ret;
- comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE,
- &comm->mmu_map_paddr,
- GFP_KERNEL);
- if (!comm->mmu_map_vaddr)
- return -ENOMEM;
+ use_mmu = codec_hevc_use_mmu(revision, sess->pixfmt_cap,
+ is_10bit);
+
+ am21_size = amvdec_amfbc_size(sess->width, sess->height,
+ is_10bit, use_mmu);
v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) {
u32 idx = buf->vb.vb2_buf.index;
dma_addr_t paddr;
- void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE,
- &paddr, GFP_KERNEL);
+ void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr,
+ GFP_KERNEL);
if (!vaddr) {
- codec_hevc_free_mmu_headers(sess, comm);
+ codec_hevc_free_fbc_buffers(sess, comm);
return -ENOMEM;
}
- comm->mmu_header_vaddr[idx] = vaddr;
- comm->mmu_header_paddr[idx] = paddr;
+ comm->fbc_buffer_vaddr[idx] = vaddr;
+ comm->fbc_buffer_paddr[idx] = paddr;
+ }
+
+ if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, is_10bit) &&
+ codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) {
+ ret = codec_hevc_alloc_mmu_headers(sess, comm);
+ if (ret) {
+ codec_hevc_free_fbc_buffers(sess, comm);
+ return ret;
+ }
}
return 0;
@@ -250,21 +286,24 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess,
int is_10bit)
{
struct amvdec_core *core = sess->core;
+ struct device *dev = core->dev;
int ret;
- if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) {
- ret = codec_hevc_alloc_fbc_buffers(sess, comm);
- if (ret)
- return ret;
+ if (codec_hevc_use_mmu(core->platform->revision,
+ sess->pixfmt_cap, is_10bit)) {
+ comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE,
+ &comm->mmu_map_paddr,
+ GFP_KERNEL);
+ if (!comm->mmu_map_vaddr)
+ return -ENOMEM;
}
if (codec_hevc_use_mmu(core->platform->revision,
- sess->pixfmt_cap, is_10bit)) {
- ret = codec_hevc_alloc_mmu_headers(sess, comm);
- if (ret) {
- codec_hevc_free_fbc_buffers(sess, comm);
- return ret;
- }
+ sess->pixfmt_cap, is_10bit) ||
+ codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) {
+ ret = codec_hevc_alloc_fbc_buffers(sess, comm);
+ if (ret)
+ return ret;
}
if (core->platform->revision == VDEC_REVISION_GXBB)
@@ -278,19 +317,24 @@ EXPORT_SYMBOL_GPL(codec_hevc_setup_buffers);
void codec_hevc_fill_mmu_map(struct amvdec_session *sess,
struct codec_hevc_common *comm,
- struct vb2_buffer *vb)
+ struct vb2_buffer *vb,
+ u32 is_10bit)
{
- u32 size = amvdec_am21c_size(sess->width, sess->height);
- u32 nb_pages = size / PAGE_SIZE;
+ u32 use_mmu;
+ u32 size;
+ u32 nb_pages;
u32 *mmu_map = comm->mmu_map_vaddr;
u32 first_page;
u32 i;
- if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M)
- first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT;
- else
- first_page = vb2_dma_contig_plane_dma_addr(vb, 0) >> PAGE_SHIFT;
+ use_mmu = codec_hevc_use_mmu(sess->core->platform->revision,
+ sess->pixfmt_cap, is_10bit);
+
+ size = amvdec_amfbc_size(sess->width, sess->height, is_10bit,
+ use_mmu);
+ nb_pages = size / PAGE_SIZE;
+ first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT;
for (i = 0; i < nb_pages; ++i)
mmu_map[i] = first_page + i;
}
diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.h b/drivers/staging/media/meson/vdec/codec_hevc_common.h
index cf072b8a9da2..13f9f1d90a94 100644
--- a/drivers/staging/media/meson/vdec/codec_hevc_common.h
+++ b/drivers/staging/media/meson/vdec/codec_hevc_common.h
@@ -64,6 +64,7 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess,
void codec_hevc_fill_mmu_map(struct amvdec_session *sess,
struct codec_hevc_common *comm,
- struct vb2_buffer *vb);
+ struct vb2_buffer *vb,
+ u32 is_10bit);
#endif
diff --git a/drivers/staging/media/meson/vdec/codec_vp9.c b/drivers/staging/media/meson/vdec/codec_vp9.c
index 394df5761556..c2fec7a89fea 100644
--- a/drivers/staging/media/meson/vdec/codec_vp9.c
+++ b/drivers/staging/media/meson/vdec/codec_vp9.c
@@ -458,12 +458,6 @@ struct codec_vp9 {
struct list_head ref_frames_list;
u32 frames_num;
- /* In case of downsampling (decoding with FBC but outputting in NV12M),
- * we need to allocate additional buffers for FBC.
- */
- void *fbc_buffer_vaddr[MAX_REF_PIC_NUM];
- dma_addr_t fbc_buffer_paddr[MAX_REF_PIC_NUM];
-
int ref_frame_map[REF_FRAMES];
int next_ref_frame_map[REF_FRAMES];
struct vp9_frame *frame_refs[REFS_PER_FRAME];
@@ -901,11 +895,8 @@ static void codec_vp9_set_sao(struct amvdec_session *sess,
buf_y_paddr =
vb2_dma_contig_plane_dma_addr(vb, 0);
- if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) {
- val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0200;
- amvdec_write_dos(core, HEVC_SAO_CTRL5, val);
- amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr);
- }
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit))
+ amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr);
if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) {
buf_y_paddr =
@@ -920,8 +911,12 @@ static void codec_vp9_set_sao(struct amvdec_session *sess,
if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
vp9->is_10bit)) {
- amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR,
- vp9->common.mmu_header_paddr[vb->index]);
+ dma_addr_t header_adr;
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, vp9->is_10bit))
+ header_adr = vp9->common.mmu_header_paddr[vb->index];
+ else
+ header_adr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr);
/* use HEVC_CM_HEADER_START_ADDR */
amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10));
}
@@ -1148,9 +1143,13 @@ static void codec_vp9_set_mc(struct amvdec_session *sess,
{
struct amvdec_core *core = sess->core;
u32 scale = 0;
+ u32 use_mmu;
u32 sz;
int i;
+ use_mmu = codec_hevc_use_mmu(core->platform->revision,
+ sess->pixfmt_cap, vp9->is_10bit);
+
amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1);
codec_vp9_set_refs(sess, vp9);
amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR,
@@ -1166,8 +1165,9 @@ static void codec_vp9_set_mc(struct amvdec_session *sess,
vp9->frame_refs[i]->height != vp9->height)
scale = 1;
- sz = amvdec_am21c_body_size(vp9->frame_refs[i]->width,
- vp9->frame_refs[i]->height);
+ sz = amvdec_amfbc_body_size(vp9->frame_refs[i]->width,
+ vp9->frame_refs[i]->height,
+ vp9->is_10bit, use_mmu);
amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA,
vp9->frame_refs[i]->width);
@@ -1283,7 +1283,8 @@ static void codec_vp9_process_frame(struct amvdec_session *sess)
if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
vp9->is_10bit))
codec_hevc_fill_mmu_map(sess, &vp9->common,
- &vp9->cur_frame->vbuf->vb2_buf);
+ &vp9->cur_frame->vbuf->vb2_buf,
+ vp9->is_10bit);
intra_only = param->p.show_frame ? 0 : param->p.intra_only;
@@ -2130,7 +2131,8 @@ static irqreturn_t codec_vp9_threaded_isr(struct amvdec_session *sess)
codec_vp9_fetch_rpm(sess);
if (codec_vp9_process_rpm(vp9)) {
- amvdec_src_change(sess, vp9->width, vp9->height, 16);
+ amvdec_src_change(sess, vp9->width, vp9->height, 16,
+ vp9->is_10bit ? 10 : 8);
/* No frame is actually processed */
vp9->cur_frame = NULL;
diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c
index cc1e9d480dc4..06f627b141fb 100644
--- a/drivers/staging/media/meson/vdec/esparser.c
+++ b/drivers/staging/media/meson/vdec/esparser.c
@@ -320,6 +320,7 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf)
if (esparser_vififo_get_free_space(sess) < payload_size ||
atomic_read(&sess->esparser_queued_bufs) >= num_dst_bufs)
return -EAGAIN;
+
} else if (esparser_vififo_get_free_space(sess) < payload_size) {
return -EAGAIN;
}
diff --git a/drivers/staging/media/meson/vdec/vdec.h b/drivers/staging/media/meson/vdec/vdec.h
index 0906b8fb5cc6..a48170fe4cff 100644
--- a/drivers/staging/media/meson/vdec/vdec.h
+++ b/drivers/staging/media/meson/vdec/vdec.h
@@ -244,6 +244,7 @@ struct amvdec_session {
u32 width;
u32 height;
u32 colorspace;
+ u32 bitdepth;
u8 ycbcr_enc;
u8 quantization;
u8 xfer_func;
diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index 7d2a75653250..d684057509bf 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -50,32 +50,40 @@ void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val)
}
EXPORT_SYMBOL_GPL(amvdec_write_parser);
-/* 4 KiB per 64x32 block */
-u32 amvdec_am21c_body_size(u32 width, u32 height)
+/* AMFBC body is made out of 64x32 blocks with varying block size */
+u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu)
{
u32 width_64 = ALIGN(width, 64) / 64;
u32 height_32 = ALIGN(height, 32) / 32;
+ u32 blk_size = 4096;
- return SZ_4K * width_64 * height_32;
+ if (!is_10bit) {
+ if (use_mmu)
+ blk_size = 3200;
+ else
+ blk_size = 3072;
+ }
+
+ return blk_size * width_64 * height_32;
}
-EXPORT_SYMBOL_GPL(amvdec_am21c_body_size);
+EXPORT_SYMBOL_GPL(amvdec_amfbc_body_size);
/* 32 bytes per 128x64 block */
-u32 amvdec_am21c_head_size(u32 width, u32 height)
+u32 amvdec_amfbc_head_size(u32 width, u32 height)
{
u32 width_128 = ALIGN(width, 128) / 128;
u32 height_64 = ALIGN(height, 64) / 64;
return 32 * width_128 * height_64;
}
-EXPORT_SYMBOL_GPL(amvdec_am21c_head_size);
+EXPORT_SYMBOL_GPL(amvdec_amfbc_head_size);
-u32 amvdec_am21c_size(u32 width, u32 height)
+u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu)
{
- return ALIGN(amvdec_am21c_body_size(width, height) +
- amvdec_am21c_head_size(width, height), SZ_64K);
+ return ALIGN(amvdec_amfbc_body_size(width, height, is_10bit, use_mmu) +
+ amvdec_amfbc_head_size(width, height), SZ_64K);
}
-EXPORT_SYMBOL_GPL(amvdec_am21c_size);
+EXPORT_SYMBOL_GPL(amvdec_amfbc_size);
static int canvas_alloc(struct amvdec_session *sess, u8 *canvas_id)
{
@@ -440,7 +448,7 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess,
EXPORT_SYMBOL_GPL(amvdec_set_par_from_dar);
void amvdec_src_change(struct amvdec_session *sess, u32 width,
- u32 height, u32 dpb_size)
+ u32 height, u32 dpb_size, u32 bitdepth)
{
static const struct v4l2_event ev = {
.type = V4L2_EVENT_SOURCE_CHANGE,
@@ -448,25 +456,27 @@ void amvdec_src_change(struct amvdec_session *sess, u32 width,
v4l2_ctrl_s_ctrl(sess->ctrl_min_buf_capture, dpb_size);
+ sess->bitdepth = bitdepth;
+
/*
* Check if the capture queue is already configured well for our
- * usecase. If so, keep decoding with it and do not send the event
+ * usecase. If so, keep decoding with it.
*/
if (sess->streamon_cap &&
sess->width == width &&
sess->height == height &&
dpb_size <= sess->num_dst_bufs) {
sess->fmt_out->codec_ops->resume(sess);
- return;
- }
+ } else {
+ sess->status = STATUS_NEEDS_RESUME;
+ sess->changed_format = 0;
+ }
- sess->changed_format = 0;
sess->width = width;
sess->height = height;
- sess->status = STATUS_NEEDS_RESUME;
- dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB size %u\n",
- width, height, dpb_size);
+ dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB %u, bitdepth %u\n",
+ width, height, dpb_size, bitdepth);
v4l2_event_queue_fh(&sess->fh, &ev);
}
EXPORT_SYMBOL_GPL(amvdec_src_change);
diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.h b/drivers/staging/media/meson/vdec/vdec_helpers.h
index 4bf3e61d081b..1a711679d26a 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.h
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.h
@@ -27,9 +27,10 @@ void amvdec_clear_dos_bits(struct amvdec_core *core, u32 reg, u32 val);
u32 amvdec_read_parser(struct amvdec_core *core, u32 reg);
void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val);
-u32 amvdec_am21c_body_size(u32 width, u32 height);
-u32 amvdec_am21c_head_size(u32 width, u32 height);
-u32 amvdec_am21c_size(u32 width, u32 height);
+/* Helpers for the Amlogic compressed framebuffer format */
+u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu);
+u32 amvdec_amfbc_head_size(u32 width, u32 height);
+u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu);
/**
* amvdec_dst_buf_done_idx() - Signal that a buffer is done decoding
@@ -77,9 +78,10 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess,
* @width: picture width detected by the hardware
* @height: picture height detected by the hardware
* @dpb_size: Decoded Picture Buffer size (= amount of buffers for decoding)
+ * @bitdepth: Bit depth (usually 10 or 8) of the coded content
*/
void amvdec_src_change(struct amvdec_session *sess, u32 width,
- u32 height, u32 dpb_size);
+ u32 height, u32 dpb_size, u32 bitdepth);
/**
* amvdec_abort() - Abort the current decoding session
--
Armbian
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