linux-kernel - [PATCH v2 12/20] media: venus: core: Remove cp

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Message-Id: <20230911-topic-mars-v2-12-3dac84b88c4b@linaro.org>
Date: Fri, 09 Feb 2024 22:09:56 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Stanimir Varbanov <stanimir.k.varbanov@...il.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 Stanimir Varbanov <stanimir.varbanov@...aro.org>, 
 Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, 
 linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 12/20] media: venus: core: Remove cp_start

It's hardcoded to be zero. Always. Ever since msm-3.10. Or maybe
even before. Remove it!

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/venus/core.c     | 4 ----
 drivers/media/platform/qcom/venus/core.h     | 1 -
 drivers/media/platform/qcom/venus/firmware.c | 3 +--
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 06b78e98cebd..65a9e815e6ba 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -647,7 +647,6 @@ static const struct venus_resources sdm660_res = {
 	.vcodec_clks_num = 1,
 	.max_load = 1036800,
 	.hfi_version = HFI_VERSION_3XX,
-	.cp_start = 0,
 	.cp_size = 0x79000000,
 	.cp_nonpixel_start = 0x1000000,
 	.cp_nonpixel_size = 0x28000000,
@@ -716,7 +715,6 @@ static const struct venus_resources sdm845_res_v2 = {
 	.hfi_version = HFI_VERSION_4XX,
 	.vpu_version = VPU_VERSION_AR50,
 	.dma_mask = GENMASK(31, 29) - 1,
-	.cp_start = 0,
 	.cp_size = 0x70800000,
 	.cp_nonpixel_start = 0x1000000,
 	.cp_nonpixel_size = 0x24800000,
@@ -760,7 +758,6 @@ static const struct venus_resources sc7180_res = {
 	.hfi_version = HFI_VERSION_4XX,
 	.vpu_version = VPU_VERSION_AR50,
 	.dma_mask = GENMASK(31, 29) - 1,
-	.cp_start = 0,
 	.cp_size = 0x70800000,
 	.cp_nonpixel_start = 0x1000000,
 	.cp_nonpixel_size = 0x24800000,
@@ -869,7 +866,6 @@ static const struct venus_resources sc7280_res = {
 	.vpu_version = VPU_VERSION_IRIS2_1,
 	.num_vpp_pipes = 1,
 	.dma_mask = GENMASK(31, 29) - 1,
-	.cp_start = 0,
 	.cp_size = 0x25800000,
 	.cp_nonpixel_start = 0x1000000,
 	.cp_nonpixel_size = 0x24800000,
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index b1d0687d294f..9dacf533c7ad 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -80,7 +80,6 @@ struct venus_resources {
 	const enum vpu_version vpu_version;
 	const u8 num_vpp_pipes;
 	const u32 max_load;
-	const u32 cp_start;
 	const u32 cp_size;
 	const u32 cp_nonpixel_start;
 	const u32 cp_nonpixel_size;
diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index fe7da2b30482..16e578780be7 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -245,7 +245,6 @@ int venus_boot(struct venus_core *core)
 	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, address and not size!
 		 *   This works, as the non-secure context bank is placed
 		 *   contiguously right after the Content Protection region.
@@ -253,7 +252,7 @@ int venus_boot(struct venus_core *core)
 		 * 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,
+		ret = qcom_scm_mem_protect_video_var(0,
 						     res->cp_size,
 						     res->cp_nonpixel_start,
 						     res->cp_nonpixel_size);

-- 
2.43.0