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 | 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 e7c7c9b9c646f..d53bc557ef4ce 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2766,6 +2766,11 @@ 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; }
@@ -3364,6 +3369,8 @@ 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;