[Mesa-dev] [PATCH 10/13] radeon/vcn: implement jpeg target buffer cmd

[Leo Liu]

Patch 9-10:

Acked-by: Leo Liu <leo.liu at amd.com>


On 08/16/2018 12:06 PM, boyuan.zhang at amd.com wrote:
> From: Boyuan Zhang <boyuan.zhang at amd.com>
>
> Implement jpeg target buffer cmd by programming registers directly,
> since there is no firmware for VCN Jpeg decode.
>
> Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
> ---
>   src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c | 73 +++++++++++++++++++++++-
>   1 file changed, 72 insertions(+), 1 deletion(-)
>
> diff --git a/src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c b/src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c
> index d46581c..7ab4e67 100644
> --- a/src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c
> +++ b/src/gallium/drivers/radeon/radeon_vcn_dec_jpeg.c
> @@ -116,7 +116,78 @@ static void send_cmd_target(struct radeon_decoder *dec,
>   		     struct pb_buffer* buf, uint32_t off,
>   		     enum radeon_bo_usage usage, enum radeon_bo_domain domain)
>   {
> -	/* TODO */
> +	uint64_t addr;
> +
> +	set_reg_jpeg(dec, mmUVD_JPEG_PITCH, COND0, TYPE0, (dec->jpg.dt_pitch >> 4));
> +	set_reg_jpeg(dec, mmUVD_JPEG_UV_PITCH, COND0, TYPE0, ((dec->jpg.dt_uv_pitch * 2) >> 4));
> +
> +	set_reg_jpeg(dec, mmUVD_JPEG_TILING_CTRL, COND0, TYPE0, 0);
> +	set_reg_jpeg(dec, mmUVD_JPEG_UV_TILING_CTRL, COND0, TYPE0, 0);
> +
> +	dec->ws->cs_add_buffer(dec->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
> +						   domain, RADEON_PRIO_UVD);
> +	addr = dec->ws->buffer_get_virtual_address(buf);
> +	addr = addr + off;
> +
> +	// set UVD_LMI_JPEG_WRITE_64BIT_BAR_LOW/HIGH based on target buffer address
> +	set_reg_jpeg(dec, mmUVD_LMI_JPEG_WRITE_64BIT_BAR_HIGH, COND0, TYPE0, (addr >> 32));
> +	set_reg_jpeg(dec, mmUVD_LMI_JPEG_WRITE_64BIT_BAR_LOW, COND0, TYPE0, addr);
> +
> +	// set output buffer data address
> +	set_reg_jpeg(dec, mmUVD_JPEG_INDEX, COND0, TYPE0, 0);
> +	set_reg_jpeg(dec, mmUVD_JPEG_DATA, COND0, TYPE0, dec->jpg.dt_luma_top_offset);
> +	set_reg_jpeg(dec, mmUVD_JPEG_INDEX, COND0, TYPE0, 1);
> +	set_reg_jpeg(dec, mmUVD_JPEG_DATA, COND0, TYPE0, dec->jpg.dt_chroma_top_offset);
> +	set_reg_jpeg(dec, mmUVD_JPEG_TIER_CNTL2, COND0, TYPE3, 0);
> +
> +	// set output buffer read pointer
> +	set_reg_jpeg(dec, mmUVD_JPEG_OUTBUF_RPTR, COND0, TYPE0, 0);
> +
> +	// enable error interrupts
> +	set_reg_jpeg(dec, mmUVD_JPEG_INT_EN, COND0, TYPE0, 0xFFFFFFFE);
> +
> +	// start engine command
> +	set_reg_jpeg(dec, mmUVD_JPEG_CNTL, COND0, TYPE0, 0x6);
> +
> +	// wait for job completion, wait for job JBSI fetch done
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x01C3);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, (dec->jpg.bsd_size >> 2));
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x01C2);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, 0x01400200);
> +	set_reg_jpeg(dec, mmUVD_JPEG_RB_RPTR, COND0, TYPE3, 0xFFFFFFFF);
> +
> +	// wait for job jpeg outbuf idle
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x01C3);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, 0xFFFFFFFF);
> +	set_reg_jpeg(dec, mmUVD_JPEG_OUTBUF_WPTR, COND0, TYPE3, 0x00000001);
> +
> +	// stop engine
> +	set_reg_jpeg(dec, mmUVD_JPEG_CNTL, COND0, TYPE0, 0x4);
> +
> +	// asserting jpeg lmi drop
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x0005);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, (1 << 23 | 1 << 0));
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE1, 0);
> +
> +	// asserting jpeg reset
> +	set_reg_jpeg(dec, mmUVD_JPEG_CNTL, COND0, TYPE0, 1);
> +
> +	// ensure reset is asserted in sclk domain
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x01C3);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, (1 << 9));
> +	set_reg_jpeg(dec, mmUVD_SOFT_RESET, COND0, TYPE3, (1 << 9));
> +
> +	// de-assert jpeg reset
> +	set_reg_jpeg(dec, mmUVD_JPEG_CNTL, COND0, TYPE0, 0);
> +
> +	// ensure reset is de-asserted in sclk domain
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x01C3);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, (0 << 9));
> +	set_reg_jpeg(dec, mmUVD_SOFT_RESET, COND0, TYPE3, (1 << 9));
> +
> +	// de-asserting jpeg lmi drop
> +	set_reg_jpeg(dec, mmUVD_CTX_INDEX, COND0, TYPE0, 0x0005);
> +	set_reg_jpeg(dec, mmUVD_CTX_DATA, COND0, TYPE0, 0);
>   }
>   
>   /**