From: Paul Boddie paul@boddie.org.uk
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@boddie.org.uk Signed-off-by: Ezequiel Garcia ezequiel@collabora.com Signed-off-by: H. Nikolaus Schaller hns@goldelico.com --- 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;