[PATCH v5 7/7] drm/msm/dp: Add sc8180x DP controllers

From: Bjorn Andersson
Date: Sat Oct 16 2021 - 18:18:01 EST


The sc8180x has 2 DP and 1 eDP controllers, add support for these to the
DP driver.

Link: https://lore.kernel.org/linux-arm-msm/20210725042436.3967173-7-bjorn.andersson@xxxxxxxxxx/
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes since v4:
- Use the MSM_DP_CONTROLLER_n enums
- const the msm_dp_desc array

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 6 +++---
drivers/gpu/drm/msm/dp/dp_display.c | 11 +++++++++++
2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index 47d5d71eb5d3..0ac6a79e8af9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -918,13 +918,13 @@ static const struct dpu_intf_cfg sc7280_intf[] = {
};

static const struct dpu_intf_cfg sc8180x_intf[] = {
- INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, 0, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
+ INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
INTF_BLK("intf_2", INTF_2, 0x6B000, INTF_DSI, 1, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 28, 29),
/* INTF_3 is for MST, wired to INTF_DP 0 and 1, use dummy index until this is supported */
INTF_BLK("intf_3", INTF_3, 0x6B800, INTF_DP, 999, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 30, 31),
- INTF_BLK("intf_4", INTF_4, 0x6C000, INTF_DP, 1, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 20, 21),
- INTF_BLK("intf_5", INTF_5, 0x6C800, INTF_DP, 2, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
+ INTF_BLK("intf_4", INTF_4, 0x6C000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 20, 21),
+ INTF_BLK("intf_5", INTF_5, 0x6C800, INTF_DP, MSM_DP_CONTROLLER_2, 24, INTF_SC8180X_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
};

/*************************************************************
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index d3c9d7273354..70dcd4e6d466 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -135,8 +135,19 @@ static const struct msm_dp_config sc7180_dp_cfg = {
.num_descs = 1,
};

+static const struct msm_dp_config sc8180x_dp_cfg = {
+ .descs = (const struct msm_dp_desc[]) {
+ [MSM_DP_CONTROLLER_0] = { .io_start = 0x0ae90000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ [MSM_DP_CONTROLLER_1] = { .io_start = 0x0ae98000, .connector_type = DRM_MODE_CONNECTOR_DisplayPort },
+ [MSM_DP_CONTROLLER_2] = { .io_start = 0x0ae9a000, .connector_type = DRM_MODE_CONNECTOR_eDP },
+ },
+ .num_descs = 3,
+};
+
static const struct of_device_id dp_dt_match[] = {
{ .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_cfg },
+ { .compatible = "qcom,sc8180x-dp", .data = &sc8180x_dp_cfg },
+ { .compatible = "qcom,sc8180x-edp", .data = &sc8180x_dp_cfg },
{}
};

--
2.29.2