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[83.9.31.248]) by smtp.gmail.com with ESMTPSA id n26-20020ac2491a000000b004edc512515fsm917165lfi.47.2023.05.04.01.01.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 May 2023 01:01:34 -0700 (PDT) From: Konrad Dybcio Date: Thu, 04 May 2023 10:01:02 +0200 Subject: [PATCH v2 06/18] media: venus: firmware: Leave a clue for homegrown porters MIME-Version: 1.0 Message-Id: <20230228-topic-venus-v2-6-d95d14949c79@linaro.org> References: <20230228-topic-venus-v2-0-d95d14949c79@linaro.org> In-Reply-To: <20230228-topic-venus-v2-0-d95d14949c79@linaro.org> To: Stanimir Varbanov , Vikash Garodia , Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , Dikshita Agarwal , Bryan O'Donoghue , Mansur Alisha Shaik , Jonathan Marek , Hans Verkuil , Dikshita Agarwal Cc: Mauro Carvalho Chehab , Stanimir Varbanov , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Marijn Suijten , Konrad Dybcio , Vikash Garodia X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1683187284; l=1135; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=EgjRQOY12/YgIbWH62eZ5y8nBX3H3pJik8G0F4SYRFY=; b=nQEw2k9F74MAxmf470Mil8wFjXEeWKtb4BAhs5r6xj+O8SHhrmSmWKpItUFOnSd0pmnBcqWBf EfAAgrecd0rDMOpthvvcK/aABUI8hm23nzqEXoXqbALT36JM+Qmn8SL X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Leave a clue about where the seemingly magic values come from, as it is not obvious and requires some digging downstream.. Reviewed-by: Dikshita Agarwal Signed-off-by: Konrad Dybcio --- 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 cfb11c551167..a4cd919e1dbe 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,