Now that we have an official way to request custom encoder/bridge
enable/disable sequences we can get rid of the extra ->bridge field
and use the encoder one.
Signed-off-by: Boris Brezillon <boris.brezil...@collabora.com>
---
drivers/gpu/drm/vc4/vc4_dsi.c | 35 ++++++++++++++++++-----------------
1 file changed, 18 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 3f63943e5472..b670ca473786 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -498,7 +498,6 @@ struct vc4_dsi {
struct mipi_dsi_host dsi_host;
struct drm_encoder *encoder;
- struct drm_bridge *bridge;
void __iomem *regs;
@@ -753,9 +752,9 @@ static void vc4_dsi_encoder_disable(struct drm_encoder
*encoder)
struct vc4_dsi *dsi = vc4_encoder->dsi;
struct device *dev = &dsi->pdev->dev;
- drm_bridge_disable(dsi->bridge);
+ drm_bridge_disable(encoder->bridge);
vc4_dsi_ulps(dsi, true);
- drm_bridge_post_disable(dsi->bridge);
+ drm_bridge_post_disable(encoder->bridge);
clk_disable_unprepare(dsi->pll_phy_clock);
clk_disable_unprepare(dsi->escape_clock);
@@ -1055,7 +1054,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder
*encoder)
vc4_dsi_ulps(dsi, false);
- drm_bridge_pre_enable(dsi->bridge);
+ drm_bridge_pre_enable(encoder->bridge);
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {
DSI_PORT_WRITE(DISP0_CTRL,
@@ -1072,7 +1071,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder
*encoder)
DSI_DISP0_ENABLE);
}
- drm_bridge_enable(dsi->bridge);
+ drm_bridge_enable(encoder->bridge);
if (debug_dump_regs) {
struct drm_printer p = drm_info_printer(&dsi->pdev->dev);
@@ -1445,6 +1444,7 @@ static int vc4_dsi_bind(struct device *dev, struct device
*master, void *data)
struct vc4_dev *vc4 = to_vc4_dev(drm);
struct vc4_dsi *dsi = dev_get_drvdata(dev);
struct vc4_dsi_encoder *vc4_dsi_encoder;
+ struct drm_bridge *bridge = NULL;
struct drm_panel *panel;
const struct of_device_id *match;
dma_cap_mask_t dma_mask;
@@ -1561,7 +1561,7 @@ static int vc4_dsi_bind(struct device *dev, struct device
*master, void *data)
}
ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
- &panel, &dsi->bridge);
+ &panel, &bridge);
if (ret) {
/* If the bridge or panel pointed by dev->of_node is not
* enabled, just return 0 here so that we don't prevent the DRM
@@ -1576,10 +1576,10 @@ static int vc4_dsi_bind(struct device *dev, struct
device *master, void *data)
}
if (panel) {
- dsi->bridge = devm_drm_panel_bridge_add(dev, panel,
- DRM_MODE_CONNECTOR_DSI);
- if (IS_ERR(dsi->bridge))
- return PTR_ERR(dsi->bridge);
+ bridge = devm_drm_panel_bridge_add(dev, panel,
+ DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(bridge))
+ return PTR_ERR(bridge);
}
/* The esc clock rate is supposed to always be 100Mhz. */
@@ -1600,17 +1600,18 @@ static int vc4_dsi_bind(struct device *dev, struct
device *master, void *data)
DRM_MODE_ENCODER_DSI, NULL);
drm_encoder_helper_add(dsi->encoder, &vc4_dsi_encoder_helper_funcs);
- ret = drm_bridge_attach(dsi->encoder, dsi->bridge, NULL);
- if (ret) {
- dev_err(dev, "bridge attach failed: %d\n", ret);
- return ret;
- }
/* Disable the atomic helper calls into the bridge. We
* manually call the bridge pre_enable / enable / etc. calls
* from our driver, since we need to sequence them within the
* encoder's enable/disable paths.
*/
- dsi->encoder->bridge = NULL;
+ dsi->encoder->custom_bridge_enable_disable_seq = 1;
+
+ ret = drm_bridge_attach(dsi->encoder, bridge, NULL);
+ if (ret) {
+ dev_err(dev, "bridge attach failed: %d\n", ret);
+ return ret;
+ }
if (dsi->port == 0)
vc4_debugfs_add_regset32(drm, "dsi0_regs", &dsi->regset);
@@ -1629,7 +1630,7 @@ static void vc4_dsi_unbind(struct device *dev, struct
device *master,
struct vc4_dev *vc4 = to_vc4_dev(drm);
struct vc4_dsi *dsi = dev_get_drvdata(dev);
- if (dsi->bridge)
+ if (dsi->encoder->bridge)
pm_runtime_disable(dev);
vc4_dsi_encoder_destroy(dsi->encoder);
--
2.21.0
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