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 | 7 +++++++
include/drm/bridge/dw_hdmi.h | 5 +++++
2 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index f08d0fded61f..f082e14320e1 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2767,6 +2767,11 @@ static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
bridge_state->input_bus_cfg.format,
bridge_state->output_bus_cfg.format);
+ if (hdmi->plat_data->mode_fixup)
+ if (!hdmi->plat_data->mode_fixup(bridge, &crtc_state->mode,
+ &crtc_state->adjusted_mode))
+ return -EINVAL;
+
return 0;
}
@@ -3416,6 +3421,8 @@ 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 2a1f85f9a8a3..743038200044 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;
@@ -142,6 +143,10 @@ 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
