linux-kernel - Re: [PATCH 07/18] media: venus: core: Assign registers based on VPU version

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Date:   Tue, 7 Mar 2023 10:27:54 +0530
From:   Dikshita Agarwal <quic_dikshita@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Dikshita Agarwal <dikshita@...eaurora.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>
CC:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        "Vikash Garodia" <vgarodia@...eaurora.org>
Subject: Re: [PATCH 07/18] media: venus: core: Assign registers based on VPU
 version


On 2/28/2023 8:54 PM, Konrad Dybcio wrote:
> IRIS2(_1) has a different register map compared to other HFI6XX-
> using VPUs. Take care of it.
>
> Signed-off-by: Konrad Dybcio<konrad.dybcio@...aro.org>
> ---
>   drivers/media/platform/qcom/venus/core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index c13436d58ed3..bdc14acc8399 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -246,7 +246,7 @@ static int venus_enumerate_codecs(struct venus_core *core, u32 type)
>   
>   static void venus_assign_register_offsets(struct venus_core *core)
>   {
> -	if (IS_V6(core)) {
> +	if (IS_IRIS2(core) || IS_IRIS2_1(core)) {
>   		core->vbif_base = core->base + VBIF_BASE;
>   		core->cpu_base = core->base + CPU_BASE_V6;
>   		core->cpu_cs_base = core->base + CPU_CS_BASE_V6;

AR50_LITE also should be added here, as I see you have added the same to 
places where we are using V6 based registers.

if the base addresses are not assigned here properly. the register 
writing at other places will be wrong, ex: patch 05/18

Thanks,

Dikshita