With a call to drm_of_panel_bridge_remove() we could remove the bridge without store it in ldtc internal driver structure.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org Reviewed-by: Philippe Cornu philippe.cornu@st.com Tested-by: Philippe Cornu philippe.cornu@st.com --- drivers/gpu/drm/stm/ltdc.c | 16 +++++----------- drivers/gpu/drm/stm/ltdc.h | 2 -- 2 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index d394a03..735c908 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -791,9 +791,8 @@ static const struct drm_encoder_funcs ltdc_encoder_funcs = { .destroy = drm_encoder_cleanup, };
-static int ltdc_encoder_init(struct drm_device *ddev) +static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge) { - struct ltdc_device *ldev = ddev->dev_private; struct drm_encoder *encoder; int ret;
@@ -807,7 +806,7 @@ static int ltdc_encoder_init(struct drm_device *ddev) drm_encoder_init(ddev, encoder, <dc_encoder_funcs, DRM_MODE_ENCODER_DPI, NULL);
- ret = drm_bridge_attach(encoder, ldev->bridge, NULL); + ret = drm_bridge_attach(encoder, bridge, NULL); if (ret) { drm_encoder_cleanup(encoder); return -EINVAL; @@ -936,12 +935,9 @@ int ltdc_load(struct drm_device *ddev) ret = PTR_ERR(bridge); goto err; } - ldev->is_panel_bridge = true; }
- ldev->bridge = bridge; - - ret = ltdc_encoder_init(ddev); + ret = ltdc_encoder_init(ddev, bridge); if (ret) { DRM_ERROR("Failed to init encoder\n"); goto err; @@ -972,8 +968,7 @@ int ltdc_load(struct drm_device *ddev) return 0;
err: - if (ldev->is_panel_bridge) - drm_panel_bridge_remove(bridge); + drm_panel_bridge_remove(bridge);
clk_disable_unprepare(ldev->pixel_clk);
@@ -986,8 +981,7 @@ void ltdc_unload(struct drm_device *ddev)
DRM_DEBUG_DRIVER("\n");
- if (ldev->is_panel_bridge) - drm_panel_bridge_remove(ldev->bridge); + drm_of_panel_bridge_remove(ddev->dev->of_node, 0, 0);
clk_disable_unprepare(ldev->pixel_clk); } diff --git a/drivers/gpu/drm/stm/ltdc.h b/drivers/gpu/drm/stm/ltdc.h index bc6d6f6..ae43755 100644 --- a/drivers/gpu/drm/stm/ltdc.h +++ b/drivers/gpu/drm/stm/ltdc.h @@ -24,8 +24,6 @@ struct ltdc_device { struct drm_fbdev_cma *fbdev; void __iomem *regs; struct clk *pixel_clk; /* lcd pixel clock */ - struct drm_bridge *bridge; - bool is_panel_bridge; struct mutex err_lock; /* protecting error_status */ struct ltdc_caps caps; u32 error_status;