As the following patches introduced support for multiple DP blocks in a
platform and some of those block might be eDP it becomes useful to be
able to specify the connector type per block.
Although there's only a single block at this point, the array of descs
and the search in dp_display_get_desc() are introduced here to simplify
the next patch, that does introduce support for multiple DP blocks.
Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
---
Changes since v3:
- New patch
- Extended msm_dp_config with connector_type, wrapped in inner struct
- Refactored out of the next patch
- Pass the connector_type to drm_connector_init(), from yet another patch
- Dropped double newline and unnecessary {}
drivers/gpu/drm/msm/dp/dp_display.c | 43 ++++++++++++++++++++++++++++-
drivers/gpu/drm/msm/dp/dp_display.h | 1 +
drivers/gpu/drm/msm/dp/dp_drm.c | 2 +-
3 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index 5d3ee5ef07c2..eaf08f9e7d87 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -115,8 +115,25 @@ struct dp_display_private {
struct dp_audio *audio;
};
+struct msm_dp_desc {
+ phys_addr_t io_start;
+ int connector_type;
+};
+
+struct msm_dp_config {
+ struct msm_dp_desc *descs;
+ size_t num_descs;
+};
+
+static const struct msm_dp_config sc7180_dp_cfg = {
+ .descs = (struct msm_dp_desc[]) {
+ { .io_start = 0x0ae90000, .connector_type =
DRM_MODE_CONNECTOR_DisplayPort },
+ },
+ .num_descs = 1,
+};
+
static const struct of_device_id dp_dt_match[] = {
- {.compatible = "qcom,sc7180-dp"},
+ { .compatible = "qcom,sc7180-dp", .data = &sc7180_dp_cfg },
{}
};
@@ -1180,10 +1197,29 @@ int dp_display_request_irq(struct msm_dp *dp_display)
return 0;
}
+static struct msm_dp_desc *dp_display_get_desc(struct platform_device *pdev)
+{
+ const struct msm_dp_config *cfg = of_device_get_match_data(&pdev->dev);
+ struct resource *res;
+ int i;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return NULL;
+
+ for (i = 0; i < cfg->num_descs; i++)
+ if (cfg->descs[i].io_start == res->start)
+ return &cfg->descs[i];
+
+ dev_err(&pdev->dev, "unknown displayport instance\n");
+ return NULL;
+}
+
static int dp_display_probe(struct platform_device *pdev)
{
int rc = 0;
struct dp_display_private *dp;
+ struct msm_dp_desc *desc;
if (!pdev || !pdev->dev.of_node) {
DRM_ERROR("pdev not found\n");
@@ -1194,8 +1230,13 @@ static int dp_display_probe(struct platform_device *pdev)
if (!dp)
return -ENOMEM;
+ desc = dp_display_get_desc(pdev);
+ if (!desc)
+ return -EINVAL;
+
dp->pdev = pdev;
dp->name = "drm_dp";
+ dp->dp_display.connector_type = desc->connector_type;
rc = dp_init_sub_modules(dp);
if (rc) {
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h
b/drivers/gpu/drm/msm/dp/dp_display.h
index 8b47cdabb67e..02999408c052 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -18,6 +18,7 @@ struct msm_dp {
bool is_connected;
bool audio_enabled;
bool power_on;
+ int connector_type;
hdmi_codec_plugged_cb plugged_cb;
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index 764f4b81017e..f33e31523f56 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -147,7 +147,7 @@ struct drm_connector *dp_drm_connector_init(struct msm_dp
*dp_display)
ret = drm_connector_init(dp_display->drm_dev, connector,
&dp_connector_funcs,
- DRM_MODE_CONNECTOR_DisplayPort);
+ dp_display->connector_type);
if (ret)
return ERR_PTR(ret);
--
2.29.2
