Move the mode-config code into model-specific code and call the
plane/CRTC helpers as needed. This will help with providing per-
model implementations of individual helpers.

Duplication of the pipeline init function is accepted. Some macros
simplify this for shared helpers.

v3:
        * clean up style

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Jocelyn Falempe <jfale...@redhat.com>
Tested-by: Jocelyn Falempe <jfale...@redhat.com>
Acked-by: Sam Ravnborg <s...@ravnborg.org>
---
 drivers/gpu/drm/mgag200/mgag200_drv.h     |  78 ++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200.c    | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200eh.c  | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200eh3.c | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200er.c  | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200ev.c  | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200ew3.c | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200se.c  | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_g200wb.c  | 111 ++++++++++++-
 drivers/gpu/drm/mgag200/mgag200_mode.c    | 185 +++-------------------
 10 files changed, 977 insertions(+), 174 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h 
b/drivers/gpu/drm/mgag200/mgag200_drv.h
index cc14028df395..1e7de8b12e75 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -152,6 +152,8 @@
        /* 0x40: */        0,    0,    0,    0,    0,    0,    0,    0,         
                \
        /* 0x48: */        0,    0,    0,    0,    0,    0,    0,    0          
                \
 
+#define MGAG200_LUT_SIZE 256
+
 #define MGAG200_MAX_FB_HEIGHT 4096
 #define MGAG200_MAX_FB_WIDTH 4096
 
@@ -363,10 +365,82 @@ struct mga_device *mgag200_g200er_device_create(struct 
pci_dev *pdev, const stru
 struct mga_device *mgag200_g200ew3_device_create(struct pci_dev *pdev, const 
struct drm_driver *drv,
                                                 enum mga_type type);
 
-                               /* mgag200_mode.c */
+/*
+ * mgag200_mode.c
+ */
+
+struct drm_crtc;
+struct drm_crtc_state;
+struct drm_display_mode;
+struct drm_plane;
+struct drm_atomic_state;
+
+extern const uint32_t mgag200_primary_plane_formats[];
+extern const size_t   mgag200_primary_plane_formats_size;
+extern const uint64_t mgag200_primary_plane_fmtmods[];
+
+int mgag200_primary_plane_helper_atomic_check(struct drm_plane *plane,
+                                             struct drm_atomic_state 
*new_state);
+void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
+                                               struct drm_atomic_state 
*old_state);
+void mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane,
+                                                struct drm_atomic_state 
*old_state);
+#define MGAG200_PRIMARY_PLANE_HELPER_FUNCS \
+       DRM_GEM_SHADOW_PLANE_HELPER_FUNCS, \
+       .atomic_check = mgag200_primary_plane_helper_atomic_check, \
+       .atomic_update = mgag200_primary_plane_helper_atomic_update, \
+       .atomic_disable = mgag200_primary_plane_helper_atomic_disable
+
+#define MGAG200_PRIMARY_PLANE_FUNCS \
+       .update_plane = drm_atomic_helper_update_plane, \
+       .disable_plane = drm_atomic_helper_disable_plane, \
+       .destroy = drm_plane_cleanup, \
+       DRM_GEM_SHADOW_PLANE_FUNCS
+
+enum drm_mode_status mgag200_crtc_helper_mode_valid(struct drm_crtc *crtc,
+                                                   const struct 
drm_display_mode *mode);
+int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc, struct 
drm_atomic_state *new_state);
+void mgag200_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state);
+void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state);
+void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state);
+
+#define MGAG200_CRTC_HELPER_FUNCS \
+       .mode_valid = mgag200_crtc_helper_mode_valid, \
+       .atomic_check = mgag200_crtc_helper_atomic_check, \
+       .atomic_flush = mgag200_crtc_helper_atomic_flush, \
+       .atomic_enable = mgag200_crtc_helper_atomic_enable, \
+       .atomic_disable = mgag200_crtc_helper_atomic_disable
+
+void mgag200_crtc_reset(struct drm_crtc *crtc);
+struct drm_crtc_state *mgag200_crtc_atomic_duplicate_state(struct drm_crtc 
*crtc);
+void mgag200_crtc_atomic_destroy_state(struct drm_crtc *crtc, struct 
drm_crtc_state *crtc_state);
+
+#define MGAG200_CRTC_FUNCS \
+       .reset = mgag200_crtc_reset, \
+       .destroy = drm_crtc_cleanup, \
+       .set_config = drm_atomic_helper_set_config, \
+       .page_flip = drm_atomic_helper_page_flip, \
+       .atomic_duplicate_state = mgag200_crtc_atomic_duplicate_state, \
+       .atomic_destroy_state = mgag200_crtc_atomic_destroy_state
+
+#define MGAG200_DAC_ENCODER_FUNCS \
+       .destroy = drm_encoder_cleanup
+
+int mgag200_vga_connector_helper_get_modes(struct drm_connector *connector);
+
+#define MGAG200_VGA_CONNECTOR_HELPER_FUNCS \
+       .get_modes  = mgag200_vga_connector_helper_get_modes
+
+#define MGAG200_VGA_CONNECTOR_FUNCS \
+       .reset                  = drm_atomic_helper_connector_reset, \
+       .fill_modes             = drm_helper_probe_single_connector_modes, \
+       .destroy                = drm_connector_cleanup, \
+       .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, \
+       .atomic_destroy_state   = drm_atomic_helper_connector_destroy_state
+
 resource_size_t mgag200_device_probe_vram(struct mga_device *mdev);
 void mgag200_init_registers(struct mga_device *mdev);
-int mgag200_modeset_init(struct mga_device *mdev, resource_size_t 
vram_fb_available);
+int mgag200_mode_config_init(struct mga_device *mdev, resource_size_t 
vram_available);
 
                                /* mgag200_bmc.c */
 void mgag200_bmc_disable_vidrst(struct mga_device *mdev);
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200.c 
b/drivers/gpu/drm/mgag200/mgag200_g200.c
index ae1669d208f8..dffcfa83ae74 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200.c
@@ -4,7 +4,10 @@
 #include <linux/vmalloc.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -160,6 +163,106 @@ static void mgag200_g200_pixpllc_atomic_update(struct 
drm_crtc *crtc,
        WREG_DAC(MGA1064_PIX_PLLC_P, xpixpllcp);
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM Device
  */
@@ -331,9 +434,15 @@ struct mga_device *mgag200_g200_device_create(struct 
pci_dev *pdev, const struct
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh.c 
b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
index fd44d19c729a..54568d1f603a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh.c
@@ -4,7 +4,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -159,6 +162,106 @@ void mgag200_g200eh_pixpllc_atomic_update(struct drm_crtc 
*crtc,
        }
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200eh_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200eh_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200eh_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200eh_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200eh_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200eh_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200eh_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200eh_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200eh_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200eh_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200eh_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200eh_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200eh_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200eh_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200eh_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -203,9 +306,15 @@ struct mga_device *mgag200_g200eh_device_create(struct 
pci_dev *pdev, const stru
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200eh_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c 
b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
index b47b100d219d..3e2929fd6145 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c
@@ -3,7 +3,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -63,6 +66,106 @@ static int mgag200_g200eh3_pixpllc_atomic_check(struct 
drm_crtc *crtc,
        return 0;
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200eh3_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200eh3_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200eh3_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200eh3_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200eh3_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200eh3_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200eh3_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200eh3_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200eh3_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200eh3_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200eh3_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200eh3_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200eh3_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200eh3_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200eh3_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -108,9 +211,15 @@ struct mga_device *mgag200_g200eh3_device_create(struct 
pci_dev *pdev,
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200eh3_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c 
b/drivers/gpu/drm/mgag200/mgag200_g200er.c
index 8a85fd034e3d..399f2443cb47 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200er.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c
@@ -4,7 +4,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -149,6 +152,106 @@ static void mgag200_g200er_pixpllc_atomic_update(struct 
drm_crtc *crtc,
        udelay(50);
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200er_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200er_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200er_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200er_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200er_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200er_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200er_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200er_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200er_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200er_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200er_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200er_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200er_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200er_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200er_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -189,9 +292,15 @@ struct mga_device *mgag200_g200er_device_create(struct 
pci_dev *pdev, const stru
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200er_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c 
b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
index 54c80562900d..2165ec7d63e8 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c
@@ -4,7 +4,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -161,6 +164,106 @@ static void mgag200_g200ev_pixpllc_atomic_update(struct 
drm_crtc *crtc,
        WREG8(DAC_DATA, tmp);
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200ev_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200ev_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200ev_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200ev_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200ev_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200ev_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200ev_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200ev_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200ev_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200ev_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200ev_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200ev_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200ev_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200ev_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200ev_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -205,9 +308,15 @@ struct mga_device *mgag200_g200ev_device_create(struct 
pci_dev *pdev, const stru
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200ev_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c 
b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
index 29aa8a3d4522..25b7bce31e0b 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c
@@ -3,7 +3,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -72,6 +75,106 @@ static int mgag200_g200ew3_pixpllc_atomic_check(struct 
drm_crtc *crtc,
        return 0;
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200ew3_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200ew3_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200ew3_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200ew3_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200ew3_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200ew3_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200ew3_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200ew3_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200ew3_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200ew3_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200ew3_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200ew3_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200ew3_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200ew3_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200ew3_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -128,9 +231,15 @@ struct mga_device *mgag200_g200ew3_device_create(struct 
pci_dev *pdev,
 
        vram_available = mgag200_g200ew3_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200ew3_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c 
b/drivers/gpu/drm/mgag200/mgag200_g200se.c
index ca9ea26219ca..a28f5203a95a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200se.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c
@@ -4,7 +4,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -250,6 +253,106 @@ static void 
mgag200_g200se_04_pixpllc_atomic_update(struct drm_crtc *crtc,
        WREG_DAC(0x1a, 0x01);
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200se_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200se_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200se_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200se_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200se_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200se_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200se_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200se_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200se_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200se_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200se_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200se_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200se_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200se_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200se_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -362,9 +465,15 @@ struct mga_device *mgag200_g200se_device_create(struct 
pci_dev *pdev, const stru
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200se_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c 
b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
index 1e0c80c2787d..01d21b6a4ce9 100644
--- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c
@@ -4,7 +4,10 @@
 #include <linux/pci.h>
 
 #include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_probe_helper.h>
 
 #include "mgag200_drv.h"
 
@@ -206,6 +209,106 @@ void mgag200_g200wb_pixpllc_atomic_update(struct drm_crtc 
*crtc,
        WREG_DAC(MGA1064_REMHEADCTL, tmp);
 }
 
+/*
+ * Mode-setting pipeline
+ */
+
+static const struct drm_plane_helper_funcs 
mgag200_g200wb_primary_plane_helper_funcs = {
+       MGAG200_PRIMARY_PLANE_HELPER_FUNCS,
+};
+
+static const struct drm_plane_funcs mgag200_g200wb_primary_plane_funcs = {
+       MGAG200_PRIMARY_PLANE_FUNCS,
+};
+
+static const struct drm_crtc_helper_funcs mgag200_g200wb_crtc_helper_funcs = {
+       MGAG200_CRTC_HELPER_FUNCS,
+};
+
+static const struct drm_crtc_funcs mgag200_g200wb_crtc_funcs = {
+       MGAG200_CRTC_FUNCS,
+};
+
+static const struct drm_encoder_funcs mgag200_g200wb_dac_encoder_funcs = {
+       MGAG200_DAC_ENCODER_FUNCS,
+};
+
+static const struct drm_connector_helper_funcs 
mgag200_g200wb_vga_connector_helper_funcs = {
+       MGAG200_VGA_CONNECTOR_HELPER_FUNCS,
+};
+
+static const struct drm_connector_funcs mgag200_g200wb_vga_connector_funcs = {
+       MGAG200_VGA_CONNECTOR_FUNCS,
+};
+
+static int mgag200_g200wb_pipeline_init(struct mga_device *mdev)
+{
+       struct drm_device *dev = &mdev->base;
+       struct drm_plane *primary_plane = &mdev->primary_plane;
+       struct drm_crtc *crtc = &mdev->crtc;
+       struct drm_encoder *encoder = &mdev->encoder;
+       struct mga_i2c_chan *i2c = &mdev->i2c;
+       struct drm_connector *connector = &mdev->connector;
+       int ret;
+
+       ret = drm_universal_plane_init(dev, primary_plane, 0,
+                                      &mgag200_g200wb_primary_plane_funcs,
+                                      mgag200_primary_plane_formats,
+                                      mgag200_primary_plane_formats_size,
+                                      mgag200_primary_plane_fmtmods,
+                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (ret) {
+               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
+               return ret;
+       }
+       drm_plane_helper_add(primary_plane, 
&mgag200_g200wb_primary_plane_helper_funcs);
+       drm_plane_enable_fb_damage_clips(primary_plane);
+
+       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL,
+                                       &mgag200_g200wb_crtc_funcs, NULL);
+       if (ret) {
+               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
+               return ret;
+       }
+       drm_crtc_helper_add(crtc, &mgag200_g200wb_crtc_helper_funcs);
+
+       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
+       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
+       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
+
+       encoder->possible_crtcs = drm_crtc_mask(crtc);
+       ret = drm_encoder_init(dev, encoder, &mgag200_g200wb_dac_encoder_funcs,
+                              DRM_MODE_ENCODER_DAC, NULL);
+       if (ret) {
+               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
+               return ret;
+       }
+
+       ret = mgag200_i2c_init(mdev, i2c);
+       if (ret) {
+               drm_err(dev, "failed to add DDC bus: %d\n", ret);
+               return ret;
+       }
+
+       ret = drm_connector_init_with_ddc(dev, connector,
+                                         &mgag200_g200wb_vga_connector_funcs,
+                                         DRM_MODE_CONNECTOR_VGA,
+                                         &i2c->adapter);
+       if (ret) {
+               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
+               return ret;
+       }
+       drm_connector_helper_add(connector, 
&mgag200_g200wb_vga_connector_helper_funcs);
+
+       ret = drm_connector_attach_encoder(connector, encoder);
+       if (ret) {
+               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
+               return ret;
+       }
+
+       return 0;
+}
+
 /*
  * DRM device
  */
@@ -252,9 +355,15 @@ struct mga_device *mgag200_g200wb_device_create(struct 
pci_dev *pdev, const stru
 
        vram_available = mgag200_device_probe_vram(mdev);
 
-       ret = mgag200_modeset_init(mdev, vram_available);
+       ret = mgag200_mode_config_init(mdev, vram_available);
        if (ret)
                return ERR_PTR(ret);
 
+       ret = mgag200_g200wb_pipeline_init(mdev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       drm_mode_config_reset(dev);
+
        return mdev;
 }
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c 
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 65709b2fc2bc..b468cda64a80 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -13,8 +13,6 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_atomic_state_helper.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_damage_helper.h>
 #include <drm/drm_format_helper.h>
 #include <drm/drm_fourcc.h>
@@ -26,8 +24,6 @@
 
 #include "mgag200_drv.h"
 
-#define MGAG200_LUT_SIZE 256
-
 /*
  * This file contains setup code for the CRTC.
  */
@@ -515,19 +511,21 @@ static void mgag200_handle_damage(struct mga_device 
*mdev, const struct iosys_ma
  * Primary plane
  */
 
-static const uint32_t mgag200_primary_plane_formats[] = {
+const uint32_t mgag200_primary_plane_formats[] = {
        DRM_FORMAT_XRGB8888,
        DRM_FORMAT_RGB565,
        DRM_FORMAT_RGB888,
 };
 
-static const uint64_t mgag200_primary_plane_fmtmods[] = {
+const size_t mgag200_primary_plane_formats_size = 
ARRAY_SIZE(mgag200_primary_plane_formats);
+
+const uint64_t mgag200_primary_plane_fmtmods[] = {
        DRM_FORMAT_MOD_LINEAR,
        DRM_FORMAT_MOD_INVALID
 };
 
-static int mgag200_primary_plane_helper_atomic_check(struct drm_plane *plane,
-                                                    struct drm_atomic_state 
*new_state)
+int mgag200_primary_plane_helper_atomic_check(struct drm_plane *plane,
+                                             struct drm_atomic_state 
*new_state)
 {
        struct drm_plane_state *new_plane_state = 
drm_atomic_get_new_plane_state(new_state, plane);
        struct drm_framebuffer *new_fb = new_plane_state->fb;
@@ -561,8 +559,8 @@ static int mgag200_primary_plane_helper_atomic_check(struct 
drm_plane *plane,
        return 0;
 }
 
-static void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
-                                                      struct drm_atomic_state 
*old_state)
+void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
+                                               struct drm_atomic_state 
*old_state)
 {
        struct drm_device *dev = plane->dev;
        struct mga_device *mdev = to_mga_device(dev);
@@ -594,8 +592,8 @@ static void 
mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
        }
 }
 
-static void mgag200_primary_plane_helper_atomic_disable(struct drm_plane 
*plane,
-                                                       struct drm_atomic_state 
*old_state)
+void mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane,
+                                                struct drm_atomic_state 
*old_state)
 {
        struct drm_device *dev = plane->dev;
        struct mga_device *mdev = to_mga_device(dev);
@@ -607,26 +605,12 @@ static void 
mgag200_primary_plane_helper_atomic_disable(struct drm_plane *plane,
        msleep(20);
 }
 
-static const struct drm_plane_helper_funcs mgag200_primary_plane_helper_funcs 
= {
-       DRM_GEM_SHADOW_PLANE_HELPER_FUNCS,
-       .atomic_check = mgag200_primary_plane_helper_atomic_check,
-       .atomic_update = mgag200_primary_plane_helper_atomic_update,
-       .atomic_disable = mgag200_primary_plane_helper_atomic_disable,
-};
-
-static const struct drm_plane_funcs mgag200_primary_plane_funcs = {
-       .update_plane = drm_atomic_helper_update_plane,
-       .disable_plane = drm_atomic_helper_disable_plane,
-       .destroy = drm_plane_cleanup,
-       DRM_GEM_SHADOW_PLANE_FUNCS,
-};
-
 /*
  * CRTC
  */
 
-static enum drm_mode_status mgag200_crtc_helper_mode_valid(struct drm_crtc 
*crtc,
-                                                          const struct 
drm_display_mode *mode)
+enum drm_mode_status mgag200_crtc_helper_mode_valid(struct drm_crtc *crtc,
+                                                   const struct 
drm_display_mode *mode)
 {
        struct mga_device *mdev = to_mga_device(crtc->dev);
        const struct mgag200_device_info *info = mdev->info;
@@ -655,8 +639,7 @@ static enum drm_mode_status 
mgag200_crtc_helper_mode_valid(struct drm_crtc *crtc
        return MODE_OK;
 }
 
-static int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc,
-                                           struct drm_atomic_state *new_state)
+int mgag200_crtc_helper_atomic_check(struct drm_crtc *crtc, struct 
drm_atomic_state *new_state)
 {
        struct drm_device *dev = crtc->dev;
        struct mga_device *mdev = to_mga_device(dev);
@@ -690,8 +673,7 @@ static int mgag200_crtc_helper_atomic_check(struct drm_crtc 
*crtc,
        return drm_atomic_add_affected_planes(new_state, crtc);
 }
 
-static void mgag200_crtc_helper_atomic_flush(struct drm_crtc *crtc,
-                                            struct drm_atomic_state *old_state)
+void mgag200_crtc_helper_atomic_flush(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state)
 {
        struct drm_crtc_state *crtc_state = crtc->state;
        struct mgag200_crtc_state *mgag200_crtc_state = 
to_mgag200_crtc_state(crtc_state);
@@ -708,8 +690,7 @@ static void mgag200_crtc_helper_atomic_flush(struct 
drm_crtc *crtc,
        }
 }
 
-static void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc,
-                                             struct drm_atomic_state 
*old_state)
+void mgag200_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state)
 {
        struct drm_device *dev = crtc->dev;
        struct mga_device *mdev = to_mga_device(dev);
@@ -742,8 +723,7 @@ static void mgag200_crtc_helper_atomic_enable(struct 
drm_crtc *crtc,
                funcs->enable_vidrst(mdev);
 }
 
-static void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc,
-                                              struct drm_atomic_state 
*old_state)
+void mgag200_crtc_helper_atomic_disable(struct drm_crtc *crtc, struct 
drm_atomic_state *old_state)
 {
        struct mga_device *mdev = to_mga_device(crtc->dev);
        const struct mgag200_device_funcs *funcs = mdev->funcs;
@@ -757,15 +737,7 @@ static void mgag200_crtc_helper_atomic_disable(struct 
drm_crtc *crtc,
                funcs->enable_vidrst(mdev);
 }
 
-static const struct drm_crtc_helper_funcs mgag200_crtc_helper_funcs = {
-       .mode_valid = mgag200_crtc_helper_mode_valid,
-       .atomic_check = mgag200_crtc_helper_atomic_check,
-       .atomic_flush = mgag200_crtc_helper_atomic_flush,
-       .atomic_enable = mgag200_crtc_helper_atomic_enable,
-       .atomic_disable = mgag200_crtc_helper_atomic_disable,
-};
-
-static void mgag200_crtc_reset(struct drm_crtc *crtc)
+void mgag200_crtc_reset(struct drm_crtc *crtc)
 {
        struct mgag200_crtc_state *mgag200_crtc_state;
 
@@ -779,7 +751,7 @@ static void mgag200_crtc_reset(struct drm_crtc *crtc)
                __drm_atomic_helper_crtc_reset(crtc, NULL);
 }
 
-static struct drm_crtc_state *mgag200_crtc_atomic_duplicate_state(struct 
drm_crtc *crtc)
+struct drm_crtc_state *mgag200_crtc_atomic_duplicate_state(struct drm_crtc 
*crtc)
 {
        struct drm_crtc_state *crtc_state = crtc->state;
        struct mgag200_crtc_state *mgag200_crtc_state = 
to_mgag200_crtc_state(crtc_state);
@@ -800,8 +772,7 @@ static struct drm_crtc_state 
*mgag200_crtc_atomic_duplicate_state(struct drm_crt
        return &new_mgag200_crtc_state->base;
 }
 
-static void mgag200_crtc_atomic_destroy_state(struct drm_crtc *crtc,
-                                             struct drm_crtc_state *crtc_state)
+void mgag200_crtc_atomic_destroy_state(struct drm_crtc *crtc, struct 
drm_crtc_state *crtc_state)
 {
        struct mgag200_crtc_state *mgag200_crtc_state = 
to_mgag200_crtc_state(crtc_state);
 
@@ -809,28 +780,11 @@ static void mgag200_crtc_atomic_destroy_state(struct 
drm_crtc *crtc,
        kfree(mgag200_crtc_state);
 }
 
-static const struct drm_crtc_funcs mgag200_crtc_funcs = {
-       .reset = mgag200_crtc_reset,
-       .destroy = drm_crtc_cleanup,
-       .set_config = drm_atomic_helper_set_config,
-       .page_flip = drm_atomic_helper_page_flip,
-       .atomic_duplicate_state = mgag200_crtc_atomic_duplicate_state,
-       .atomic_destroy_state = mgag200_crtc_atomic_destroy_state,
-};
-
-/*
- * Encoder
- */
-
-static const struct drm_encoder_funcs mgag200_dac_encoder_funcs = {
-       .destroy = drm_encoder_cleanup,
-};
-
 /*
  * Connector
  */
 
-static int mgag200_vga_connector_helper_get_modes(struct drm_connector 
*connector)
+int mgag200_vga_connector_helper_get_modes(struct drm_connector *connector)
 {
        struct mga_device *mdev = to_mga_device(connector->dev);
        int ret;
@@ -846,18 +800,6 @@ static int mgag200_vga_connector_helper_get_modes(struct 
drm_connector *connecto
        return ret;
 }
 
-static const struct drm_connector_helper_funcs mga_vga_connector_helper_funcs 
= {
-       .get_modes  = mgag200_vga_connector_helper_get_modes,
-};
-
-static const struct drm_connector_funcs mga_vga_connector_funcs = {
-       .reset                  = drm_atomic_helper_connector_reset,
-       .fill_modes             = drm_helper_probe_single_connector_modes,
-       .destroy                = drm_connector_cleanup,
-       .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
-       .atomic_destroy_state   = drm_atomic_helper_connector_destroy_state,
-};
-
 /*
  * Mode config
  */
@@ -944,7 +886,7 @@ static const struct drm_mode_config_funcs 
mgag200_mode_config_funcs = {
        .atomic_commit = drm_atomic_helper_commit,
 };
 
-static int mgag200_mode_config_init(struct mga_device *mdev, resource_size_t 
vram_available)
+int mgag200_mode_config_init(struct mga_device *mdev, resource_size_t 
vram_available)
 {
        struct drm_device *dev = &mdev->base;
        int ret;
@@ -966,88 +908,3 @@ static int mgag200_mode_config_init(struct mga_device 
*mdev, resource_size_t vra
 
        return 0;
 }
-
-static int mgag200_pipeline_init(struct mga_device *mdev)
-{
-       struct drm_device *dev = &mdev->base;
-       struct drm_plane *primary_plane = &mdev->primary_plane;
-       struct drm_crtc *crtc = &mdev->crtc;
-       struct drm_encoder *encoder = &mdev->encoder;
-       struct mga_i2c_chan *i2c = &mdev->i2c;
-       struct drm_connector *connector = &mdev->connector;
-       int ret;
-
-       ret = drm_universal_plane_init(dev, primary_plane, 0,
-                                      &mgag200_primary_plane_funcs,
-                                      mgag200_primary_plane_formats,
-                                      
ARRAY_SIZE(mgag200_primary_plane_formats),
-                                      mgag200_primary_plane_fmtmods,
-                                      DRM_PLANE_TYPE_PRIMARY, NULL);
-       if (ret) {
-               drm_err(dev, "drm_universal_plane_init() failed: %d\n", ret);
-               return ret;
-       }
-       drm_plane_helper_add(primary_plane, 
&mgag200_primary_plane_helper_funcs);
-       drm_plane_enable_fb_damage_clips(primary_plane);
-
-       ret = drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL, 
&mgag200_crtc_funcs, NULL);
-       if (ret) {
-               drm_err(dev, "drm_crtc_init_with_planes() failed: %d\n", ret);
-               return ret;
-       }
-       drm_crtc_helper_add(crtc, &mgag200_crtc_helper_funcs);
-
-       /* FIXME: legacy gamma tables, but atomic gamma doesn't work without */
-       drm_mode_crtc_set_gamma_size(crtc, MGAG200_LUT_SIZE);
-       drm_crtc_enable_color_mgmt(crtc, 0, false, MGAG200_LUT_SIZE);
-
-       encoder->possible_crtcs = drm_crtc_mask(crtc);
-       ret = drm_encoder_init(dev, encoder, &mgag200_dac_encoder_funcs,
-                              DRM_MODE_ENCODER_DAC, NULL);
-       if (ret) {
-               drm_err(dev, "drm_encoder_init() failed: %d\n", ret);
-               return ret;
-       }
-
-       ret = mgag200_i2c_init(mdev, i2c);
-       if (ret) {
-               drm_err(dev, "failed to add DDC bus: %d\n", ret);
-               return ret;
-       }
-
-       ret = drm_connector_init_with_ddc(dev, connector,
-                                         &mga_vga_connector_funcs,
-                                         DRM_MODE_CONNECTOR_VGA,
-                                         &i2c->adapter);
-       if (ret) {
-               drm_err(dev, "drm_connector_init_with_ddc() failed: %d\n", ret);
-               return ret;
-       }
-       drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs);
-
-       ret = drm_connector_attach_encoder(connector, encoder);
-       if (ret) {
-               drm_err(dev, "drm_connector_attach_encoder() failed: %d\n", 
ret);
-               return ret;
-       }
-
-       return 0;
-}
-
-int mgag200_modeset_init(struct mga_device *mdev, resource_size_t 
vram_available)
-{
-       struct drm_device *dev = &mdev->base;
-       int ret;
-
-       ret = mgag200_mode_config_init(mdev, vram_available);
-       if (ret)
-               return ret;
-
-       ret = mgag200_pipeline_init(mdev);
-       if (ret)
-               return ret;
-
-       drm_mode_config_reset(dev);
-
-       return 0;
-}
-- 
2.37.1

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