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drm: Remove drm_fb_helper add, add all and remove connector calls
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drm_fb_helper_{add,remove}_one_connector() and
drm_fb_helper_single_add_all_connectors() are dummy functions now
and serve no purpose. Hence remove their calls.

This is the preparatory step for removing the
drm_fb_helper_{add,remove}_one_connector() functions from
drm_fb_helper.h

This removal is done using below sementic patch and unused variable
compilation warnings are fixed manually.

@@
@@

- drm_fb_helper_single_add_all_connectors(...);

@@
expression e1;
statement S;
@@
- e1 = drm_fb_helper_single_add_all_connectors(...);
- S

@@
@@

- drm_fb_helper_add_one_connector(...);

@@
@@

- drm_fb_helper_remove_one_connector(...);

Changes since v1:
* Squashed warning fixes into the patch that introduced the
  warnings (into 5/7) (Laurent, Emil, Lyude)

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305120434.111091-6-pankaj.laxminarayan.bharadiya@intel.com
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Pankaj Bharadiya authored and Daniel Vetter committed Mar 6, 2020
1 parent 75b2ccd commit ff1f62d
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Showing 14 changed files with 0 additions and 62 deletions.
2 changes: 0 additions & 2 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
Original file line number Diff line number Diff line change
Expand Up @@ -342,8 +342,6 @@ int amdgpu_fbdev_init(struct amdgpu_device *adev)
return ret;
}

drm_fb_helper_single_add_all_connectors(&rfbdev->helper);

/* disable all the possible outputs/crtcs before entering KMS mode */
if (!amdgpu_device_has_dc_support(adev))
drm_helper_disable_unused_functions(adev->ddev);
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6 changes: 0 additions & 6 deletions drivers/gpu/drm/armada/armada_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -135,12 +135,6 @@ int armada_fbdev_init(struct drm_device *dev)
goto err_fb_helper;
}

ret = drm_fb_helper_single_add_all_connectors(fbh);
if (ret) {
DRM_ERROR("failed to add fb connectors\n");
goto err_fb_setup;
}

ret = drm_fb_helper_initial_config(fbh, 32);
if (ret) {
DRM_ERROR("failed to set initial config\n");
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3 changes: 0 additions & 3 deletions drivers/gpu/drm/bridge/tc358764.c
Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,6 @@ static int tc358764_attach(struct drm_bridge *bridge,
drm_connector_attach_encoder(&ctx->connector, bridge->encoder);
drm_panel_attach(ctx->panel, &ctx->connector);
ctx->connector.funcs->reset(&ctx->connector);
drm_fb_helper_add_one_connector(drm->fb_helper, &ctx->connector);
drm_connector_register(&ctx->connector);

return 0;
Expand All @@ -384,10 +383,8 @@ static int tc358764_attach(struct drm_bridge *bridge,
static void tc358764_detach(struct drm_bridge *bridge)
{
struct tc358764 *ctx = bridge_to_tc358764(bridge);
struct drm_device *drm = bridge->dev;

drm_connector_unregister(&ctx->connector);
drm_fb_helper_remove_one_connector(drm->fb_helper, &ctx->connector);
drm_panel_detach(ctx->panel);
ctx->panel = NULL;
drm_connector_put(&ctx->connector);
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1 change: 0 additions & 1 deletion drivers/gpu/drm/exynos/exynos_drm_dsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -1514,7 +1514,6 @@ static int exynos_dsi_create_connector(struct drm_encoder *encoder)
return 0;

connector->funcs->reset(connector);
drm_fb_helper_add_one_connector(drm->fb_helper, connector);
drm_connector_register(connector);
return 0;
}
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8 changes: 0 additions & 8 deletions drivers/gpu/drm/exynos/exynos_drm_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -207,14 +207,6 @@ int exynos_drm_fbdev_init(struct drm_device *dev)
goto err_init;
}

ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret < 0) {
DRM_DEV_ERROR(dev->dev,
"failed to register drm_fb_helper_connector.\n");
goto err_setup;

}

ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP);
if (ret < 0) {
DRM_DEV_ERROR(dev->dev,
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4 changes: 0 additions & 4 deletions drivers/gpu/drm/gma500/framebuffer.c
Original file line number Diff line number Diff line change
Expand Up @@ -517,10 +517,6 @@ int psb_fbdev_init(struct drm_device *dev)
if (ret)
goto free;

ret = drm_fb_helper_single_add_all_connectors(fb_helper);
if (ret)
goto fini;

/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(dev);

Expand Down
2 changes: 0 additions & 2 deletions drivers/gpu/drm/i915/display/intel_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -462,8 +462,6 @@ int intel_fbdev_init(struct drm_device *dev)
dev_priv->fbdev = ifbdev;
INIT_WORK(&dev_priv->fbdev_suspend_work, intel_fbdev_suspend_worker);

drm_fb_helper_single_add_all_connectors(&ifbdev->helper);

return 0;
}

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4 changes: 0 additions & 4 deletions drivers/gpu/drm/msm/msm_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -166,10 +166,6 @@ struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev)
goto fail;
}

ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret)
goto fini;

/* the fw fb could be anywhere in memory */
drm_fb_helper_remove_conflicting_framebuffers(NULL, "msm", false);

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7 changes: 0 additions & 7 deletions drivers/gpu/drm/nouveau/dispnv50/disp.c
Original file line number Diff line number Diff line change
Expand Up @@ -1260,23 +1260,16 @@ static void
nv50_mstm_destroy_connector(struct drm_dp_mst_topology_mgr *mgr,
struct drm_connector *connector)
{
struct nouveau_drm *drm = nouveau_drm(connector->dev);
struct nv50_mstc *mstc = nv50_mstc(connector);

drm_connector_unregister(&mstc->connector);

drm_fb_helper_remove_one_connector(&drm->fbcon->helper, &mstc->connector);

drm_connector_put(&mstc->connector);
}

static void
nv50_mstm_register_connector(struct drm_connector *connector)
{
struct nouveau_drm *drm = nouveau_drm(connector->dev);

drm_fb_helper_add_one_connector(&drm->fbcon->helper, connector);

drm_connector_register(connector);
}

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4 changes: 0 additions & 4 deletions drivers/gpu/drm/nouveau/nouveau_fbcon.c
Original file line number Diff line number Diff line change
Expand Up @@ -562,10 +562,6 @@ nouveau_fbcon_init(struct drm_device *dev)
if (ret)
goto free;

ret = drm_fb_helper_single_add_all_connectors(&fbcon->helper);
if (ret)
goto fini;

if (preferred_bpp != 8 && preferred_bpp != 16 && preferred_bpp != 32) {
if (drm->client.device.info.ram_size <= 32 * 1024 * 1024)
preferred_bpp = 8;
Expand Down
4 changes: 0 additions & 4 deletions drivers/gpu/drm/omapdrm/omap_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -246,10 +246,6 @@ void omap_fbdev_init(struct drm_device *dev)
if (ret)
goto fail;

ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret)
goto fini;

ret = drm_fb_helper_initial_config(helper, 32);
if (ret)
goto fini;
Expand Down
4 changes: 0 additions & 4 deletions drivers/gpu/drm/radeon/radeon_fb.c
Original file line number Diff line number Diff line change
Expand Up @@ -358,10 +358,6 @@ int radeon_fbdev_init(struct radeon_device *rdev)
if (ret)
goto free;

ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
if (ret)
goto fini;

/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(rdev->ddev);

Expand Down
7 changes: 0 additions & 7 deletions drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -132,13 +132,6 @@ int rockchip_drm_fbdev_init(struct drm_device *dev)
return ret;
}

ret = drm_fb_helper_single_add_all_connectors(helper);
if (ret < 0) {
DRM_DEV_ERROR(dev->dev,
"Failed to add connectors - %d.\n", ret);
goto err_drm_fb_helper_fini;
}

ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP);
if (ret < 0) {
DRM_DEV_ERROR(dev->dev,
Expand Down
6 changes: 0 additions & 6 deletions drivers/gpu/drm/tegra/fb.c
Original file line number Diff line number Diff line change
Expand Up @@ -321,12 +321,6 @@ static int tegra_fbdev_init(struct tegra_fbdev *fbdev,
return err;
}

err = drm_fb_helper_single_add_all_connectors(&fbdev->base);
if (err < 0) {
dev_err(drm->dev, "failed to add connectors: %d\n", err);
goto fini;
}

err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp);
if (err < 0) {
dev_err(drm->dev, "failed to set initial configuration: %d\n",
Expand Down

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