4 files changed, 5 insertions, 18 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index e97faabcd783..e635fcffd379 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -186,7 +186,7 @@ obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
 obj-$(CONFIG_DRM_VGEM)	+= vgem/
 obj-$(CONFIG_DRM_VKMS)	+= vkms/
 obj-$(CONFIG_DRM_NOUVEAU) +=nouveau/
-obj-$(CONFIG_DRM_NOVA) += nova/
+# nova-drm is built from drivers/gpu/Makefile together with nova-core.
 obj-$(CONFIG_DRM_EXYNOS) +=exynos/
 obj-$(CONFIG_DRM_ROCKCHIP) +=rockchip/
 obj-$(CONFIG_DRM_GMA500) += gma500/
diff --git a/drivers/gpu/drm/hyperv/Kconfig b/drivers/gpu/drm/hyperv/Kconfig
index 86234f6a73f2..e48e35fb7f8b 100644
--- a/drivers/gpu/drm/hyperv/Kconfig
+++ b/drivers/gpu/drm/hyperv/Kconfig
@@ -8,7 +8,6 @@ config DRM_HYPERV
 	help
 	 This is a KMS driver for Hyper-V synthetic video device. Choose this
 	 option if you would like to enable drm driver for Hyper-V virtual
-	 machine. Unselect Hyper-V framebuffer driver (CONFIG_FB_HYPERV) so
-	 that DRM driver is used by default.
+	 machine.
 
 	 If M is selected the module will be called hyperv_drm.
diff --git a/drivers/gpu/drm/nova/Makefile b/drivers/gpu/drm/nova/Makefile
index f8527b2b7b4a..b9fad3956358 100644
--- a/drivers/gpu/drm/nova/Makefile
+++ b/drivers/gpu/drm/nova/Makefile
@@ -1,4 +1,2 @@
 # SPDX-License-Identifier: GPL-2.0
-
-obj-$(CONFIG_DRM_NOVA) += nova-drm.o
-nova-drm-y := nova.o
+# nova-drm is built from drivers/gpu/Makefile.
diff --git a/drivers/gpu/drm/tyr/regs.rs b/drivers/gpu/drm/tyr/regs.rs
index 562023e5df2f..831357a8ef87 100644
--- a/drivers/gpu/drm/tyr/regs.rs
+++ b/drivers/gpu/drm/tyr/regs.rs
@@ -48,17 +48,12 @@ pub(crate) fn read_u64_no_tearing(lo_read: impl Fn() -> u32, hi_read: impl Fn()
 /// These registers correspond to the GPU_CONTROL register page.
 /// They are involved in GPU configuration and control.
 pub(crate) mod gpu_control {
-    use core::convert::TryFrom;
     use kernel::{
-        error::{
-            code::EINVAL,
-            Error, //
-        },
         num::Bounded,
+        prelude::*,
         register,
         uapi, //
     };
-    use pin_init::Zeroable;
 
     register! {
         /// GPU identification register.
@@ -964,14 +959,9 @@ pub(crate) mod mmu_control {
     ///
     /// This array contains 16 instances of the MMU_AS_CONTROL register page.
     pub(crate) mod mmu_as_control {
-        use core::convert::TryFrom;
-
         use kernel::{
-            error::{
-                code::EINVAL,
-                Error, //
-            },
             num::Bounded,
+            prelude::*,
             register, //
         };