lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

media: cedrus: Allow different mod clock rates

Browse Source 
Some VPU variants may run at higher clock speeds. They actually need
extra speed to be capable of decoding more complex codecs like HEVC or
bigger image sizes (4K).

Expand variant structure with mod_rate information.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jernej Skrabec 2019-05-18 13:44:15 -04:00 committed by Mauro Carvalho Chehab
parent b65f1e6546
commit 9d7a1bed07
4 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/staging/media/sunxi/cedrus/cedrus.c
View File

@ -369,36 +369,41 @@ static int cedrus_remove(struct platform_device *pdev)
}
static const struct cedrus_variant sun4i_a10_cedrus_variant = {
/* No particular capability. */
.mod_rate = 320000000,
};
static const struct cedrus_variant sun5i_a13_cedrus_variant = {
/* No particular capability. */
.mod_rate = 320000000,
};
static const struct cedrus_variant sun7i_a20_cedrus_variant = {
/* No particular capability. */
.mod_rate = 320000000,
};
static const struct cedrus_variant sun8i_a33_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED,
.mod_rate = 320000000,
};
static const struct cedrus_variant sun8i_h3_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED,
.mod_rate = 402000000,
};
static const struct cedrus_variant sun50i_a64_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED,
.mod_rate = 402000000,
};
static const struct cedrus_variant sun50i_h5_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED,
.mod_rate = 402000000,
};
static const struct cedrus_variant sun50i_h6_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED,
.quirks = CEDRUS_QUIRK_NO_DMA_OFFSET,
.mod_rate = 600000000,
};
static const struct of_device_id cedrus_dt_match[] = {

1
drivers/staging/media/sunxi/cedrus/cedrus.h
View File

@ -94,6 +94,7 @@ struct cedrus_dec_ops {
struct cedrus_variant {
unsigned int capabilities;
unsigned int quirks;
unsigned int mod_rate;
};
struct cedrus_dev {

2
drivers/staging/media/sunxi/cedrus/cedrus_hw.c
View File

@ -236,7 +236,7 @@ int cedrus_hw_probe(struct cedrus_dev *dev)
goto err_sram;
}
ret = clk_set_rate(dev->mod_clk, CEDRUS_CLOCK_RATE_DEFAULT);
ret = clk_set_rate(dev->mod_clk, variant->mod_rate);
if (ret) {
dev_err(dev->dev, "Failed to set clock rate\n");

2
drivers/staging/media/sunxi/cedrus/cedrus_hw.h
View File

@ -16,8 +16,6 @@
#ifndef _CEDRUS_HW_H_
#define _CEDRUS_HW_H_
#define CEDRUS_CLOCK_RATE_DEFAULT 320000000
int cedrus_engine_enable(struct cedrus_dev *dev, enum cedrus_codec codec);
void cedrus_engine_disable(struct cedrus_dev *dev);