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authorJani Nikula <jani.nikula@intel.com>2024-08-22 20:42:50 +0300
committerJani Nikula <jani.nikula@intel.com>2024-08-29 14:30:14 +0300
commit98365ca74cbfae16b793b62a7ecabb5be8d77785 (patch)
tree323a86cd54d33dbdb7dee46a9d2cd682d5e5fc2b /drivers/gpu/drm/tegra
parentf7945d9fa8b72dd6e0b1e4bfa68f6fe54fd521fe (diff)
drm/tegra: convert to struct drm_edid
Prefer the struct drm_edid based functions for reading the EDID and updating the connector. Acked-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/e764b50f4ad2de95e449ccb37f49c3f37b3333fc.1724348429.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/tegra')
-rw-r--r--drivers/gpu/drm/tegra/drm.h2
-rw-r--r--drivers/gpu/drm/tegra/output.c29
2 files changed, 18 insertions, 13 deletions
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 682011166a8f..2f3781e04b0a 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -133,7 +133,7 @@ struct tegra_output {
struct drm_bridge *bridge;
struct drm_panel *panel;
struct i2c_adapter *ddc;
- const struct edid *edid;
+ const struct drm_edid *drm_edid;
struct cec_notifier *cec;
unsigned int hpd_irq;
struct gpio_desc *hpd_gpio;
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 4da3c3d1abbc..e6b5863fec71 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -21,7 +21,7 @@
int tegra_output_connector_get_modes(struct drm_connector *connector)
{
struct tegra_output *output = connector_to_output(connector);
- struct edid *edid = NULL;
+ const struct drm_edid *drm_edid;
int err = 0;
/*
@@ -34,18 +34,17 @@ int tegra_output_connector_get_modes(struct drm_connector *connector)
return err;
}
- if (output->edid)
- edid = kmemdup(output->edid, sizeof(*edid), GFP_KERNEL);
+ if (output->drm_edid)
+ drm_edid = drm_edid_dup(output->drm_edid);
else if (output->ddc)
- edid = drm_get_edid(connector, output->ddc);
+ drm_edid = drm_edid_read_ddc(connector, output->ddc);
- cec_notifier_set_phys_addr_from_edid(output->cec, edid);
- drm_connector_update_edid_property(connector, edid);
+ drm_edid_connector_update(connector, drm_edid);
+ cec_notifier_set_phys_addr(output->cec,
+ connector->display_info.source_physical_address);
- if (edid) {
- err = drm_add_edid_modes(connector, edid);
- kfree(edid);
- }
+ err = drm_edid_connector_add_modes(connector);
+ drm_edid_free(drm_edid);
return err;
}
@@ -98,6 +97,7 @@ static irqreturn_t hpd_irq(int irq, void *data)
int tegra_output_probe(struct tegra_output *output)
{
struct device_node *ddc, *panel;
+ const void *edid;
unsigned long flags;
int err, size;
@@ -124,8 +124,6 @@ int tegra_output_probe(struct tegra_output *output)
return PTR_ERR(output->panel);
}
- output->edid = of_get_property(output->of_node, "nvidia,edid", &size);
-
ddc = of_parse_phandle(output->of_node, "nvidia,ddc-i2c-bus", 0);
if (ddc) {
output->ddc = of_get_i2c_adapter_by_node(ddc);
@@ -137,6 +135,9 @@ int tegra_output_probe(struct tegra_output *output)
}
}
+ edid = of_get_property(output->of_node, "nvidia,edid", &size);
+ output->drm_edid = drm_edid_alloc(edid, size);
+
output->hpd_gpio = devm_fwnode_gpiod_get(output->dev,
of_fwnode_handle(output->of_node),
"nvidia,hpd",
@@ -187,6 +188,8 @@ put_i2c:
if (output->ddc)
i2c_put_adapter(output->ddc);
+ drm_edid_free(output->drm_edid);
+
return err;
}
@@ -197,6 +200,8 @@ void tegra_output_remove(struct tegra_output *output)
if (output->ddc)
i2c_put_adapter(output->ddc);
+
+ drm_edid_free(output->drm_edid);
}
int tegra_output_init(struct drm_device *drm, struct tegra_output *output)