From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Vikash Garodia <vikash.garodia@oss.qualcomm.com>,
Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>,
Bryan O'Donoghue <bod@kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
linux-media@vger.kernel.org,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
Wangao Wang <wangao.wang@oss.qualcomm.com>
Subject: [PATCH v4 8/9] media: iris: don't specify max_channels in the source code
Date: Sun, 25 Jan 2026 13:30:10 +0200 [thread overview]
Message-ID: <20260125-iris-ubwc-v4-8-1ff30644ac81@oss.qualcomm.com> (raw)
In-Reply-To: <20260125-iris-ubwc-v4-0-1ff30644ac81@oss.qualcomm.com>
The UBWC max_channels spreading is specified in the Iris driver, but it
also can be calculated from the platform UBWC config. Use the platform
UBWC configuration instead of specifying it directly in the source.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>
Tested-by: Wangao Wang <wangao.wang@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c | 2 +-
drivers/media/platform/qcom/iris/iris_platform_common.h | 1 -
drivers/media/platform/qcom/iris/iris_platform_gen2.c | 1 -
3 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
index a49394b92768..0d05dd2afc07 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
@@ -140,7 +140,7 @@ void iris_hfi_gen2_packet_sys_init(struct iris_core *core, struct iris_hfi_heade
&payload,
sizeof(u32));
- payload = core->iris_platform_data->ubwc_config->max_channels;
+ payload = qcom_ubwc_macrotile_mode(ubwc) ? 8 : 4;
iris_hfi_gen2_create_packet(hdr,
HFI_PROP_UBWC_MAX_CHANNELS,
HFI_HOST_FLAGS_NONE,
diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 07c58cf3a14a..e8b5446dce76 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -76,7 +76,6 @@ struct tz_cp_config {
};
struct ubwc_config_data {
- u32 max_channels;
};
struct platform_inst_caps {
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
index 4e617176dee4..05b1dd11abce 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
@@ -791,7 +791,6 @@ static const char * const sm8550_opp_clk_table[] = {
};
static struct ubwc_config_data ubwc_config_sm8550 = {
- .max_channels = 8,
};
static const struct tz_cp_config tz_cp_config_sm8550[] = {
--
2.47.3
next prev parent reply other threads:[~2026-01-25 11:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-25 11:30 [PATCH v4 0/9] media: iris: migrate to using global UBWC config Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 1/9] soc: qcom: ubwc: add helper to get min_acc length Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 2/9] soc: qcom: ubwc: add helpers to get programmable values Dmitry Baryshkov
2026-01-25 17:16 ` Connor Abbott
2026-01-26 10:02 ` Konrad Dybcio
2026-02-17 10:55 ` Konrad Dybcio
2026-02-18 0:44 ` Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 3/9] media: iris: retrieve UBWC platform configuration Dmitry Baryshkov
2026-03-26 5:06 ` Dikshita Agarwal
2026-01-25 11:30 ` [PATCH v4 4/9] media: iris: don't specify min_acc_length in the source code Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 5/9] media: iris: don't specify highest_bank_bit " Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 6/9] media: iris: don't specify ubwc_swizzle " Dmitry Baryshkov
2026-01-25 11:30 ` [PATCH v4 7/9] media: iris: don't specify bank_spreading " Dmitry Baryshkov
2026-01-25 11:30 ` Dmitry Baryshkov [this message]
2026-01-25 11:30 ` [PATCH v4 9/9] media: iris: drop remnants of UBWC configuration Dmitry Baryshkov
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