[PATCH v4 04/10] drm/bridge: synopsis: Add mode_fixup and bridge timings support
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STALE1839d
SUPERSEDED
From: H. Nikolaus Schaller <hidden>
Date: 2021-09-27 16:44:58
Also in:
dri-devel, linux-mips, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
Revision v4 of 15 in this series.
Revisions (15)
- v3 [diff vs current]
- v4 current
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- v15 [diff vs current]
- v16 [diff vs current]
- v17 [diff vs current]
From: Paul Boddie <redacted> 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 <redacted> Signed-off-by: Ezequiel Garcia <redacted> Signed-off-by: H. Nikolaus Schaller <redacted> --- 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