From: Paul Boddie <paul@xxxxxxxxxxxxx>
The platform-specific configuration structure is augmented with
mode_fixup and timings members so that specialisations of the
Synopsys driver can introduce mode flags and bus flags.
Signed-off-by: Paul Boddie <paul@xxxxxxxxxxxxx>
Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 16 ++++++++++++++++
include/drm/bridge/dw_hdmi.h | 5 +++++
2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index e7c7c9b9c646f..e8499eb11328c 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2810,6 +2810,19 @@ dw_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
return mode_status;
}
+static bool
+dw_hdmi_bridge_mode_fixup(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct dw_hdmi *hdmi = bridge->driver_private;
+
+ if (hdmi->plat_data->mode_fixup)
+ return hdmi->plat_data->mode_fixup(bridge, mode, adjusted_mode);
+
+ return true;
+}
+
static void dw_hdmi_bridge_mode_set(struct drm_bridge *bridge,
const struct drm_display_mode *orig_mode,
const struct drm_display_mode *mode)
@@ -2883,6 +2896,7 @@ static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
.atomic_disable = dw_hdmi_bridge_atomic_disable,
.mode_set = dw_hdmi_bridge_mode_set,
.mode_valid = dw_hdmi_bridge_mode_valid,
+ .mode_fixup = dw_hdmi_bridge_mode_fixup,
.detect = dw_hdmi_bridge_detect,
.get_edid = dw_hdmi_bridge_get_edid,
};
@@ -3364,6 +3378,8 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
#ifdef CONFIG_OF
hdmi->bridge.of_node = pdev->dev.of_node;
#endif
+ if (plat_data->timings)
+ hdmi->bridge.timings = plat_data->timings;
memset(&pdevinfo, 0, sizeof(pdevinfo));
pdevinfo.parent = dev;
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index 6a5716655619b..677137445d534 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -8,6 +8,7 @@
#include <sound/hdmi-codec.h>
+struct drm_bridge;
struct drm_display_info;
struct drm_display_mode;
struct drm_encoder;
@@ -140,6 +141,10 @@ struct dw_hdmi_plat_data {
enum drm_mode_status (*mode_valid)(struct dw_hdmi *hdmi, void *data,
const struct drm_display_info *info,
const struct drm_display_mode *mode);
+ bool (*mode_fixup)(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ const struct drm_bridge_timings *timings;
/* Vendor PHY support */
const struct dw_hdmi_phy_ops *phy_ops;
--
2.31.1
