linux-kernel - [PATCH v4 9/9] media: iris: drop remnants of UBWC configuration

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Message-Id: <20260125-iris-ubwc-v4-9-1ff30644ac81@oss.qualcomm.com>
Date: Sun, 25 Jan 2026 13:30:11 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>, Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Akhil P Oommen <akhilpo@....qualcomm.com>,
        Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-media@...r.kernel.org,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Wangao Wang <wangao.wang@....qualcomm.com>
Subject: [PATCH v4 9/9] media: iris: drop remnants of UBWC configuration

Now as all UBWC configuration bits were migrated to be used or derived
from the global UBWC platform-specific data, drop the unused struct and
field definitions.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
Tested-by: Wangao Wang <wangao.wang@....qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/media/platform/qcom/iris/iris_platform_common.h | 4 ----
 drivers/media/platform/qcom/iris/iris_platform_gen2.c   | 7 -------
 2 files changed, 11 deletions(-)

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index e8b5446dce76..f42e1798747c 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -75,9 +75,6 @@ struct tz_cp_config {
 	u32 cp_nonpixel_size;
 };
 
-struct ubwc_config_data {
-};
-
 struct platform_inst_caps {
 	u32 min_frame_width;
 	u32 max_frame_width;
@@ -241,7 +238,6 @@ struct iris_platform_data {
 	u32 tz_cp_config_data_size;
 	u32 core_arch;
 	u32 hw_response_timeout;
-	struct ubwc_config_data *ubwc_config;
 	u32 num_vpp_pipe;
 	bool no_aon;
 	u32 max_session_count;
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
index 05b1dd11abce..a526b50a1cd3 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
@@ -790,9 +790,6 @@ static const char * const sm8550_opp_clk_table[] = {
 	NULL,
 };
 
-static struct ubwc_config_data ubwc_config_sm8550 = {
-};
-
 static const struct tz_cp_config tz_cp_config_sm8550[] = {
 	{
 		.cp_start = 0,
@@ -949,7 +946,6 @@ const struct iris_platform_data sm8550_data = {
 	.tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8550),
 	.core_arch = VIDEO_ARCH_LX,
 	.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
-	.ubwc_config = &ubwc_config_sm8550,
 	.num_vpp_pipe = 4,
 	.max_session_count = 16,
 	.max_core_mbpf = NUM_MBS_8K * 2,
@@ -1054,7 +1050,6 @@ const struct iris_platform_data sm8650_data = {
 	.tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8550),
 	.core_arch = VIDEO_ARCH_LX,
 	.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
-	.ubwc_config = &ubwc_config_sm8550,
 	.num_vpp_pipe = 4,
 	.max_session_count = 16,
 	.max_core_mbpf = NUM_MBS_8K * 2,
@@ -1150,7 +1145,6 @@ const struct iris_platform_data sm8750_data = {
 	.tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8550),
 	.core_arch = VIDEO_ARCH_LX,
 	.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
-	.ubwc_config = &ubwc_config_sm8550,
 	.num_vpp_pipe = 4,
 	.max_session_count = 16,
 	.max_core_mbpf = NUM_MBS_8K * 2,
@@ -1250,7 +1244,6 @@ const struct iris_platform_data qcs8300_data = {
 	.tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8550),
 	.core_arch = VIDEO_ARCH_LX,
 	.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
-	.ubwc_config = &ubwc_config_sm8550,
 	.num_vpp_pipe = 2,
 	.max_session_count = 16,
 	.max_core_mbpf = ((4096 * 2176) / 256) * 4,

-- 
2.47.3