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MLK-17991-2 gpu: imx: dpu: common: Add some prefetch engine helpers support 

This patch adds some prefetch engine helpers support
in the dpu common driver so that callers may deal with
the prefetch engines of the fetch units the callers
are interested in.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
pull/10/head
Liu Ying 2018-04-09 17:15:54 +08:00 committed by Jason Liu
parent d0f3617538
commit 112cebb4d2
2 changed files with 154 additions and 0 deletions
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118
drivers/gpu/imx/dpu/dpu-common.c
View File

@ -591,6 +591,124 @@ u32 dpu_vproc_get_vscale_cap(u32 cap_mask)
}
EXPORT_SYMBOL_GPL(dpu_vproc_get_vscale_cap);
bool fetchunit_has_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl)
{
if (fd)
return fetchdecode_has_prefetch(fd);
else
return fetchlayer_has_prefetch(fl);
}
EXPORT_SYMBOL_GPL(fetchunit_has_prefetch);
bool fetchunit_prefetch_format_supported(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
u32 format, u64 modifier)
{
if (fd)
return fetchdecode_prefetch_format_supported(fd,
format, modifier);
else
return fetchlayer_prefetch_format_supported(fl,
format, modifier);
}
EXPORT_SYMBOL_GPL(fetchunit_prefetch_format_supported);
bool fetchunit_prefetch_stride_supported(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stride,
unsigned int uv_stride,
unsigned int width,
u32 format)
{
if (fd)
return fetchdecode_prefetch_stride_supported(fd,
stride, uv_stride, width, format);
else
return fetchlayer_prefetch_stride_supported(fl,
stride, width, format);
}
EXPORT_SYMBOL_GPL(fetchunit_prefetch_stride_supported);
bool fetchunit_prefetch_stride_double_check(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stride,
unsigned int uv_stride,
unsigned int width,
u32 format,
dma_addr_t baseaddr,
dma_addr_t uv_baseaddr)
{
if (fd)
return fetchdecode_prefetch_stride_double_check(fd, stride,
uv_stride, width, format, baseaddr, uv_baseaddr);
else
return fetchlayer_prefetch_stride_double_check(fl, stride,
width, format, baseaddr);
}
EXPORT_SYMBOL_GPL(fetchunit_prefetch_stride_double_check);
void fetchunit_configure_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stream_id,
unsigned int width, unsigned int height,
unsigned int x_offset, unsigned int y_offset,
unsigned int stride, u32 format, u64 modifier,
unsigned long baddr, unsigned long uv_baddr,
bool start, bool aux_start)
{
if (fd)
fetchdecode_configure_prefetch(fd, stream_id, width, height,
x_offset, y_offset, stride,
format, modifier, baddr, uv_baddr,
start, aux_start);
else
fetchlayer_configure_prefetch(fl, stream_id, width, height,
x_offset, y_offset, stride,
format, modifier, baddr, start);
}
EXPORT_SYMBOL_GPL(fetchunit_configure_prefetch);
void fetchunit_enable_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl)
{
if (fd)
fetchdecode_enable_prefetch(fd);
else
fetchlayer_enable_prefetch(fl);
}
EXPORT_SYMBOL_GPL(fetchunit_enable_prefetch);
void fetchunit_reg_update_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl)
{
if (fd)
fetchdecode_reg_update_prefetch(fd);
else
fetchlayer_reg_update_prefetch(fl);
}
EXPORT_SYMBOL_GPL(fetchunit_reg_update_prefetch);
void fetchunit_prefetch_first_frame_handle(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl)
{
if (fd)
fetchdecode_prefetch_first_frame_handle(fd);
else
fetchlayer_prefetch_first_frame_handle(fl);
}
EXPORT_SYMBOL_GPL(fetchunit_prefetch_first_frame_handle);
void fetchunit_disable_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl)
{
if (fd)
fetchdecode_disable_prefetch(fd);
else
fetchlayer_disable_prefetch(fl);
}
EXPORT_SYMBOL_GPL(fetchunit_disable_prefetch);
int dpu_format_horz_chroma_subsampling(u32 format)
{
switch (format) {

36
include/video/dpu.h
View File

@ -739,6 +739,42 @@ u32 dpu_vproc_get_fetcheco_cap(u32 cap_mask);
u32 dpu_vproc_get_hscale_cap(u32 cap_mask);
u32 dpu_vproc_get_vscale_cap(u32 cap_mask);
bool fetchunit_has_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl);
bool fetchunit_prefetch_format_supported(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
u32 format, u64 modifier);
bool fetchunit_prefetch_stride_supported(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stride,
unsigned int uv_stride,
unsigned int width,
u32 format);
bool fetchunit_prefetch_stride_double_check(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stride,
unsigned int uv_stride,
unsigned int width,
u32 format,
dma_addr_t baseaddr,
dma_addr_t uv_baseaddr);
void fetchunit_configure_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl,
unsigned int stream_id,
unsigned int width, unsigned int height,
unsigned int x_offset, unsigned int y_offset,
unsigned int stride, u32 format, u64 modifier,
unsigned long baddr, unsigned long uv_baddr,
bool start, bool aux_start);
void fetchunit_enable_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl);
void fetchunit_reg_update_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl);
void fetchunit_prefetch_first_frame_handle(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl);
void fetchunit_disable_prefetch(struct dpu_fetchdecode *fd,
struct dpu_fetchlayer *fl);
/* dpu blit engine */
struct dpu_bliteng;
int dpu_bliteng_init(struct dpu_bliteng *dpu_bliteng);