On 08/02/2022 21:51, Loic Poulain wrote:
Config autodetect based on DSI controller version is quite limited
since several qcom SoCs can integrate a DSI controller with the same
version, but with different config (io_offset, supplies, etc).
This change allows to specify dsi config via device data pointer.
config autodetect is still used in case data pointer is NULL.
Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/dsi.c | 2 +-
drivers/gpu/drm/msm/dsi/dsi_host.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 0525488..06a9008 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -170,7 +170,7 @@ static int dsi_dev_remove(struct platform_device *pdev)
}
static const struct of_device_id dt_match[] = {
- { .compatible = "qcom,mdss-dsi-ctrl" },
+ { .compatible = "qcom,mdss-dsi-ctrl", .data = NULL /* autodetect cfg */ },
{}
};
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 6b3ced4..c540acc 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -212,6 +212,10 @@ static const struct msm_dsi_cfg_handler *dsi_get_config(
int ret;
u32 major = 0, minor = 0;
+ cfg_hnd = device_get_match_data(dev);
+ if (cfg_hnd)
+ return cfg_hnd;
+
ahb_clk = msm_clk_get(msm_host->pdev, "iface");
if (IS_ERR(ahb_clk)) {
pr_err("%s: cannot get interface clock\n", __func__);
--
With best wishes
Dmitry
