drm: Remove drm_driver->set_busid hook

The only special-case is pci devices, and we can easily handle this in
the core. Do so and drop a pile of boilerplate from drivers.

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-5-daniel.vetter@ffwll.ch

23 files changed, 3 insertions, 31 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 31eddd85eb40..e7a4bce6358d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -734,7 +734,6 @@ static struct drm_driver kms_driver = {
         .open = amdgpu_driver_open_kms,
         .postclose = amdgpu_driver_postclose_kms,
         .lastclose = amdgpu_driver_lastclose_kms,
-        .set_busid = drm_pci_set_busid,
         .unload = amdgpu_driver_unload_kms,
         .get_vblank_counter = amdgpu_get_vblank_counter_kms,
         .enable_vblank = amdgpu_enable_vblank_kms,
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index fd7c9eec92e4..f6794745a024 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -197,7 +197,6 @@ static struct drm_driver driver = {
 
         .load = ast_driver_load,
         .unload = ast_driver_unload,
-        .set_busid = drm_pci_set_busid,
 
         .fops = &ast_fops,
         .name = DRIVER_NAME,
diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c
index aa342515ddf4..8fccd3cf000d 100644
--- a/drivers/gpu/drm/bochs/bochs_drv.c
+++ b/drivers/gpu/drm/bochs/bochs_drv.c
@@ -84,7 +84,6 @@ static struct drm_driver bochs_driver = {
         .driver_features        = DRIVER_GEM | DRIVER_MODESET,
         .load                   = bochs_load,
         .unload                 = bochs_unload,
-        .set_busid              = drm_pci_set_busid,
         .fops                   = &bochs_fops,
         .name                   = "bochs-drm",
         .desc                   = "bochs dispi vga interface (qemu stdvga)",
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c
index d893ea21a359..c48b9eb76712 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.c
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.c
@@ -132,7 +132,6 @@ static struct drm_driver driver = {
         .driver_features = DRIVER_MODESET | DRIVER_GEM,
         .load = cirrus_driver_load,
         .unload = cirrus_driver_unload,
-        .set_busid = drm_pci_set_busid,
         .fops = &cirrus_driver_fops,
         .name = DRIVER_NAME,
         .desc = DRIVER_DESC,
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index 5cf9e03b5457..116de27cf8f3 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -32,6 +32,7 @@ void drm_lastclose(struct drm_device *dev);
 int drm_irq_by_busid(struct drm_device *dev, void *data,
                      struct drm_file *file_priv);
 void drm_pci_agp_destroy(struct drm_device *dev);
+int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 
 /* drm_prime.c */
 int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index c8547d223e85..aa49a2241404 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -143,8 +143,8 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
         if (master->unique != NULL)
                 drm_unset_busid(dev, master);
 
-        if (dev->driver->set_busid) {
-                ret = dev->driver->set_busid(dev, master);
+        if (dev_is_pci(dev->dev)) {
+                ret = drm_pci_set_busid(dev, master);
                 if (ret) {
                         drm_unset_busid(dev, master);
                         return ret;
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 1eb4fc3eee20..ad31d95e77c9 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -149,7 +149,6 @@ int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
         master->unique_len = strlen(master->unique);
         return 0;
 }
-EXPORT_SYMBOL(drm_pci_set_busid);
 
 static int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
 {
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 1f9b35afefee..37d4c36c80f2 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -480,7 +480,6 @@ static struct drm_driver driver = {
         .load = psb_driver_load,
         .unload = psb_driver_unload,
         .lastclose = psb_driver_lastclose,
-        .set_busid = drm_pci_set_busid,
 
         .num_ioctls = ARRAY_SIZE(psb_ioctls),
         .irq_preinstall = psb_irq_preinstall,
diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c
index 37fd0906f807..e1c35c710e24 100644
--- a/drivers/gpu/drm/i810/i810_drv.c
+++ b/drivers/gpu/drm/i810/i810_drv.c
@@ -59,7 +59,6 @@ static struct drm_driver driver = {
         .load = i810_driver_load,
         .lastclose = i810_driver_lastclose,
         .preclose = i810_driver_preclose,
-        .set_busid = drm_pci_set_busid,
         .dma_quiescent = i810_driver_dma_quiescent,
         .ioctls = i810_ioctls,
         .fops = &i810_driver_fops,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3036d4835b0f..6033355d9469 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2622,7 +2622,6 @@ static struct drm_driver driver = {
         .open = i915_driver_open,
         .lastclose = i915_driver_lastclose,
         .postclose = i915_driver_postclose,
-        .set_busid = drm_pci_set_busid,
 
         .gem_close_object = i915_gem_close_object,
         .gem_free_object_unlocked = i915_gem_free_object,
diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c
index 63ba0699d107..2a36ec611a44 100644
--- a/drivers/gpu/drm/mga/mga_drv.c
+++ b/drivers/gpu/drm/mga/mga_drv.c
@@ -62,7 +62,6 @@ static struct drm_driver driver = {
         .load = mga_driver_load,
         .unload = mga_driver_unload,
         .lastclose = mga_driver_lastclose,
-        .set_busid = drm_pci_set_busid,
         .dma_quiescent = mga_driver_dma_quiescent,
         .get_vblank_counter = mga_get_vblank_counter,
         .enable_vblank = mga_enable_vblank,
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 9ac007880328..53a5982a04c7 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -91,7 +91,6 @@ static struct drm_driver driver = {
         .driver_features = DRIVER_GEM | DRIVER_MODESET,
         .load = mgag200_driver_load,
         .unload = mgag200_driver_unload,
-        .set_busid = drm_pci_set_busid,
         .fops = &mgag200_driver_fops,
         .name = DRIVER_NAME,
         .desc = DRIVER_DESC,
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index c3dc75fee700..3e1a8da9b20f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -1102,7 +1102,6 @@ static int __init
 nouveau_drm_init(void)
 {
         driver_pci = driver_stub;
-        driver_pci.set_busid = drm_pci_set_busid;
         driver_platform = driver_stub;
 
         nouveau_display_options();
diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index c2fc201d9e1b..bb2d8da7e553 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -262,8 +262,6 @@ static struct drm_driver qxl_driver = {
                            DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
                            DRIVER_ATOMIC,
 
-        .set_busid = drm_pci_set_busid,
-
         .dumb_create = qxl_mode_dumb_create,
         .dumb_map_offset = qxl_mode_dumb_mmap,
         .dumb_destroy = drm_gem_dumb_destroy,
diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c
index a982be57d1ef..1d43c434328d 100644
--- a/drivers/gpu/drm/r128/r128_drv.c
+++ b/drivers/gpu/drm/r128/r128_drv.c
@@ -62,7 +62,6 @@ static struct drm_driver driver = {
         .load = r128_driver_load,
         .preclose = r128_driver_preclose,
         .lastclose = r128_driver_lastclose,
-        .set_busid = drm_pci_set_busid,
         .get_vblank_counter = r128_get_vblank_counter,
         .enable_vblank = r128_enable_vblank,
         .disable_vblank = r128_disable_vblank,
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 6f906abd612b..dd5e86dafb29 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -545,7 +545,6 @@ static struct drm_driver kms_driver = {
         .open = radeon_driver_open_kms,
         .postclose = radeon_driver_postclose_kms,
         .lastclose = radeon_driver_lastclose_kms,
-        .set_busid = drm_pci_set_busid,
         .unload = radeon_driver_unload_kms,
         .get_vblank_counter = radeon_get_vblank_counter_kms,
         .enable_vblank = radeon_enable_vblank_kms,
diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c
index 78c6d8e9b42c..2a08da09dbcf 100644
--- a/drivers/gpu/drm/savage/savage_drv.c
+++ b/drivers/gpu/drm/savage/savage_drv.c
@@ -55,7 +55,6 @@ static struct drm_driver driver = {
         .preclose = savage_reclaim_buffers,
         .lastclose = savage_driver_lastclose,
         .unload = savage_driver_unload,
-        .set_busid = drm_pci_set_busid,
         .ioctls = savage_ioctls,
         .dma_ioctl = savage_bci_buffers,
         .fops = &savage_driver_fops,
diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c
index 7f05da13ea5e..cdaced381f5d 100644
--- a/drivers/gpu/drm/sis/sis_drv.c
+++ b/drivers/gpu/drm/sis/sis_drv.c
@@ -104,7 +104,6 @@ static struct drm_driver driver = {
         .open = sis_driver_open,
         .preclose = sis_reclaim_buffers_locked,
         .postclose = sis_driver_postclose,
-        .set_busid = drm_pci_set_busid,
         .dma_quiescent = sis_idle,
         .lastclose = sis_lastclose,
         .ioctls = sis_ioctls,
diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c
index c54138c3a376..acd5f8162bb6 100644
--- a/drivers/gpu/drm/tdfx/tdfx_drv.c
+++ b/drivers/gpu/drm/tdfx/tdfx_drv.c
@@ -55,7 +55,6 @@ static const struct file_operations tdfx_driver_fops = {
 
 static struct drm_driver driver = {
         .driver_features = DRIVER_LEGACY,
-        .set_busid = drm_pci_set_busid,
         .fops = &tdfx_driver_fops,
         .name = DRIVER_NAME,
         .desc = DRIVER_DESC,
diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
index 9e0e5392b6ec..0ca4e0489c0b 100644
--- a/drivers/gpu/drm/via/via_drv.c
+++ b/drivers/gpu/drm/via/via_drv.c
@@ -77,7 +77,6 @@ static struct drm_driver driver = {
         .open = via_driver_open,
         .preclose = via_reclaim_buffers_locked,
         .postclose = via_driver_postclose,
-        .set_busid = drm_pci_set_busid,
         .context_dtor = via_final_context,
         .get_vblank_counter = via_get_vblank_counter,
         .enable_vblank = via_enable_vblank,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4a641555b960..63218033b0be 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1531,7 +1531,6 @@ static struct drm_driver driver = {
         .master_drop = vmw_master_drop,
         .open = vmw_driver_open,
         .postclose = vmw_postclose,
-        .set_busid = drm_pci_set_busid,
 
         .dumb_create = vmw_dumb_create,
         .dumb_map_offset = vmw_dumb_map_offset,
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 18f3181674e8..e4de59bc52c8 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -172,8 +172,6 @@ struct drm_driver {
          */
         void (*release) (struct drm_device *);
 
-        int (*set_busid)(struct drm_device *dev, struct drm_master *master);
-
         /**
          * @get_vblank_counter:
          *
diff --git a/include/drm/drm_pci.h b/include/drm/drm_pci.h
index 4579fac1080c..961b16f9b553 100644
--- a/include/drm/drm_pci.h
+++ b/include/drm/drm_pci.h
@@ -49,7 +49,6 @@ void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
 int drm_get_pci_dev(struct pci_dev *pdev,
                     const struct pci_device_id *ent,
                     struct drm_driver *driver);
-int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
 #else
 static inline int drm_get_pci_dev(struct pci_dev *pdev,
                                   const struct pci_device_id *ent,
@@ -57,12 +56,6 @@ static inline int drm_get_pci_dev(struct pci_dev *pdev,
 {
         return -ENOSYS;
 }
-
-static inline int drm_pci_set_busid(struct drm_device *dev,
-                                    struct drm_master *master)
-{
-        return -ENOSYS;
-}
 #endif
 
 #define DRM_PCIE_SPEED_25 1