lkml.org 
[lkml]   [2023]   [Mar]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 04/18] media: venus: firmware: Leave a clue for homegrown porters
From

On 2/28/2023 8:54 PM, Konrad Dybcio wrote:
> Leave a clue about where the seemingly magic values come from, as it
> is not obvious and requires some digging downstream..
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
> drivers/media/platform/qcom/venus/firmware.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
> index 61ff20a7e935..1bb6406af564 100644
> --- a/drivers/media/platform/qcom/venus/firmware.c
> +++ b/drivers/media/platform/qcom/venus/firmware.c
> @@ -241,6 +241,13 @@ int venus_boot(struct venus_core *core)
> return ret;
>
> if (core->use_tz && res->cp_size) {
> + /*
> + * Clues for porting using downstream data:
> + * cp_start = 0
> + * cp_size = venus_ns/virtual-addr-pool[0] (yes, addr not size)
> + * cp_nonpixel_start = venus_sec_non_pixel/virtual-addr-pool[0]
> + * cp_nonpixel_size = venus_sec_non_pixel/virtual-addr-pool[1]
> + */
> ret = qcom_scm_mem_protect_video_var(res->cp_start,
> res->cp_size,
> res->cp_nonpixel_start,
reviewed-by: Dikshita Agarwal <quic_dikshita@quicinc.com>

\
 
 \ /
  Last update: 2023-03-27 00:41    [W:0.276 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site