[PATCH v3 4/4] drm/msm: mdss: Add QCS8300 support

From: Yongxing Mou
Date: Mon Jan 13 2025 - 03:07:32 EST


Add Mobile Display Subsystem (MDSS) support for the QCS8300 platform.
Due to different memory type, it use different mdss_data with SA8775P
although using the same dpu.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Yongxing Mou <quic_yongmou@xxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_mdss.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index dcb49fd30402b80edd2cb5971f95a78eaad6081f..40c8b476763b8c39434b1448008cfa8ffac7a8ea 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -582,6 +582,16 @@ static const struct msm_mdss_data qcm2290_data = {
.reg_bus_bw = 76800,
};

+static const struct msm_mdss_data qcs8300_data = {
+ .ubwc_enc_version = UBWC_4_0,
+ .ubwc_dec_version = UBWC_4_0,
+ .ubwc_swizzle = 6,
+ .ubwc_bank_spread = true,
+ .highest_bank_bit = 3,
+ .macrotile_mode = true,
+ .reg_bus_bw = 74000,
+};
+
static const struct msm_mdss_data sa8775p_data = {
.ubwc_enc_version = UBWC_4_0,
.ubwc_dec_version = UBWC_4_0,
@@ -737,6 +747,7 @@ static const struct of_device_id mdss_dt_match[] = {
{ .compatible = "qcom,mdss" },
{ .compatible = "qcom,msm8998-mdss", .data = &msm8998_data },
{ .compatible = "qcom,qcm2290-mdss", .data = &qcm2290_data },
+ { .compatible = "qcom,qcs8300-mdss", .data = &qcs8300_data },
{ .compatible = "qcom,sa8775p-mdss", .data = &sa8775p_data },
{ .compatible = "qcom,sdm670-mdss", .data = &sdm670_data },
{ .compatible = "qcom,sdm845-mdss", .data = &sdm845_data },

--
2.34.1