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#1 2020-01-28 06:04:05

Roken
Member
From: South Wales, UK
Registered: 2012-01-16
Posts: 1,359

[SOLVED] Linux 5.5 breaks NVidia

Linux 5.5 removes drm from the kernel, which NVidia needs to build.

https://github.com/torvalds/linux/commi … d7af2a0374

and

https://devtalk.nvidia.com/default/topi … te-kernel/

Last edited by Roken (2020-01-28 19:59:02)


Ryzen 5900X 12 core/24 thread - RTX 3090 FE 24 Gb, Asus B550-F Gaming MB, 128Gb Corsair DDR4, Fractal Design Define 7 XL, 5 HD (2 NvME PCI, 4SSD) + 1 x optical.
Linux user #545703

/ is the root of all problems.

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#2 2020-01-28 06:21:19

loqs
Member
Registered: 2014-03-06
Posts: 18,928

Re: [SOLVED] Linux 5.5 breaks NVidia

Try this patch

diff --git a/kernel/conftest.sh b/kernel/conftest.sh
index 8c4c9d8..a16639a 100755
--- a/kernel/conftest.sh
+++ b/kernel/conftest.sh
@@ -1107,6 +1107,9 @@ compile_test() {
             CODE="
             #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h>
+            #include <drm/drm_prime.h>
             #endif
             #if !defined(CONFIG_DRM) && !defined(CONFIG_DRM_MODULE)
             #error DRM not enabled
@@ -1871,7 +1874,11 @@ compile_test() {
             # attached drivers") in v3.14 (2013-12-11)
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h>
+            #endif
             int conftest_drm_driver_has_legacy_dev_list(void) {
                 return offsetof(struct drm_driver, legacy_dev_list);
             }"
@@ -1895,7 +1902,11 @@ compile_test() {
             #   2017-07-23  e6fc3b68558e4c6d8d160b5daf2511b99afa8814
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_crtc.h>
+            #endif
 
             int conftest_drm_crtc_init_with_planes_has_name_arg(void) {
                 return
@@ -1911,7 +1922,11 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_DRM_CRTC_INIT_WITH_PLANES_HAS_NAME_ARG" "" "types"
 
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_encoder.h>
+            #endif
 
             int conftest_drm_encoder_init_has_name_arg(void) {
                 return
@@ -1926,7 +1941,11 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_DRM_ENCODER_INIT_HAS_NAME_ARG" "" "types"
 
             echo "$CONFTEST_PREAMBLE
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_plane.h>
+            #endif
 
             int conftest_drm_universal_plane_init_has_format_modifiers_arg(void) {
                 return
@@ -1953,7 +1972,11 @@ compile_test() {
                 echo "#undef NV_DRM_UNIVERSAL_PLANE_INIT_HAS_FORMAT_MODIFIERS_ARG" | append_conftest "types"
 
                 echo "$CONFTEST_PREAMBLE
+                #if defined(NV_DRM_DRMP_H_PRESENT)
                 #include <drm/drmP.h>
+                #else
+                #include <drm/drm_plane.h>
+                #endif
 
                 int conftest_drm_universal_plane_init_has_name_arg(void) {
                     return
@@ -2006,7 +2029,11 @@ compile_test() {
             # callback") in v3.18 (2014-08-29)
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h>
+            #endif
             int conftest_drm_driver_has_set_busid(void) {
                 return offsetof(struct drm_driver, set_busid);
             }"
@@ -2023,7 +2050,11 @@ compile_test() {
             # objects") in v3.17 (2014-07-01)
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h
+            #endif
             int conftest_drm_driver_has_gem_prime_res_obj(void) {
                 return offsetof(struct drm_driver, gem_prime_res_obj);
             }"
@@ -2516,7 +2547,11 @@ compile_test() {
             # in v4.8 (2016-06-21)
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h>
+            #endif
             void conftest_drm_master_drop_has_from_release_arg(struct drm_driver *drv) {
                 drv->master_drop(NULL, NULL, false);
             }"
@@ -2650,7 +2685,11 @@ compile_test() {
             # type of the unload hook to void") in v4.11 (2017-01-06)
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #else
+            #include <drm/drm_drv.h>
+            #endif
 
             int conftest_drm_driver_unload_has_int_return_type(struct drm_driver *drv) {
                 return drv->unload(NULL /* dev */);
@@ -3032,7 +3071,9 @@ compile_test() {
             # drm_framebuffer_{get,put}()") in v4.12 (2017-02-28).
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #endif
             #if defined(NV_DRM_DRM_FRAMEBUFFER_H_PRESENT)
             #include <drm/drm_framebuffer.h>
             #endif
@@ -3051,7 +3092,9 @@ compile_test() {
             # drm_gem_object_{get,put}()") in v4.12 (2017-02-28).
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #endif
             #if defined(NV_DRM_DRM_GEM_H_PRESENT)
             #include <drm/drm_gem.h>
             #endif
@@ -3070,7 +3113,9 @@ compile_test() {
             # functions") in v4.15 (2017-09-26).
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #endif
             #if defined(NV_DRM_DRM_DRV_H_PRESENT)
             #include <drm/drm_drv.h>
             #endif
@@ -3342,7 +3387,9 @@ compile_test() {
             # (2019-01-29).
             #
             CODE="
+            #if defined(NV_DRM_DRMP_H_PRESENT)
             #include <drm/drmP.h>
+            #endif
             #if defined(NV_DRM_DRM_DRV_H_PRESENT)
             #include <drm/drm_drv.h>
             #endif
diff --git a/kernel/nvidia-drm/nvidia-drm-connector.c b/kernel/nvidia-drm/nvidia-drm-connector.c
index 1553ebc..f50da56 100644
--- a/kernel/nvidia-drm/nvidia-drm-connector.c
+++ b/kernel/nvidia-drm/nvidia-drm-connector.c
@@ -67,11 +67,11 @@ static enum drm_connector_status __nv_drm_connector_detect_internal(
 
     enum drm_connector_status status = connector_status_disconnected;
 
+    struct drm_encoder *encoder;
     struct drm_encoder *detected_encoder = NULL;
     struct nv_drm_encoder *nv_detected_encoder = NULL;
 
     struct NvKmsKapiDynamicDisplayParams *pDetectParams = NULL;
-    unsigned int i;
 
     BUG_ON(!mutex_is_locked(&dev->mode_config.mutex));
 
@@ -87,22 +87,9 @@ static enum drm_connector_status __nv_drm_connector_detect_internal(
         goto done;
     }
 
-    for (i = 0;
-         i < DRM_CONNECTOR_MAX_ENCODER && detected_encoder == NULL; i++) {
-        struct drm_encoder *encoder;
+    drm_connector_for_each_possible_encoder(connector, encoder) {
         struct nv_drm_encoder *nv_encoder;
 
-        if (connector->encoder_ids[i] == 0) {
-            break;
-        }
-
-        encoder = nv_drm_encoder_find(dev, connector->encoder_ids[i]);
-
-        if (encoder == NULL) {
-            BUG_ON(encoder != NULL);
-            continue;
-        }
-
         /*
          * DVI-I connectors can drive both digital and analog
          * encoders.  If a digital connection has been forced then
diff --git a/kernel/nvidia-drm/nvidia-drm-connector.h b/kernel/nvidia-drm/nvidia-drm-connector.h
index f74e22c..25c21b0 100644
--- a/kernel/nvidia-drm/nvidia-drm-connector.h
+++ b/kernel/nvidia-drm/nvidia-drm-connector.h
@@ -27,7 +27,11 @@
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_connector.h>
+#endif
 
 #include "nvtypes.h"
 #include "nvkms-api-types.h"
diff --git a/kernel/nvidia-drm/nvidia-drm-crtc.h b/kernel/nvidia-drm/nvidia-drm-crtc.h
index 31ef3b5..6ac2283 100644
--- a/kernel/nvidia-drm/nvidia-drm-crtc.h
+++ b/kernel/nvidia-drm/nvidia-drm-crtc.h
@@ -29,7 +29,11 @@
 
 #include "nvidia-drm-helper.h"
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_crtc.h>
+#endif
 #include "nvtypes.h"
 #include "nvkms-kapi.h"
 
diff --git a/kernel/nvidia-drm/nvidia-drm-drv.c b/kernel/nvidia-drm/nvidia-drm-drv.c
index a66d3cc..d2973b2 100644
--- a/kernel/nvidia-drm/nvidia-drm-drv.c
+++ b/kernel/nvidia-drm/nvidia-drm-drv.c
@@ -39,7 +39,13 @@
 
 #include "nvidia-drm-ioctl.h"
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_vblank.h>
+#include <drm/drm_ioctl.h>
+#include <linux/pci.h>
+#endif
 
 /*
  * Commit fcd70cd36b9b ("drm: Split out drm_probe_helper.h")
diff --git a/kernel/nvidia-drm/nvidia-drm-fb.h b/kernel/nvidia-drm/nvidia-drm-fb.h
index 7f292ce..95d5ebf 100644
--- a/kernel/nvidia-drm/nvidia-drm-fb.h
+++ b/kernel/nvidia-drm/nvidia-drm-fb.h
@@ -27,7 +27,11 @@
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_crtc.h>
+#endif
 #include "nvidia-drm-gem-nvkms-memory.h"
 #include "nvkms-kapi.h"
 
diff --git a/kernel/nvidia-drm/nvidia-drm-gem.h b/kernel/nvidia-drm/nvidia-drm-gem.h
index b621969..9949acb 100644
--- a/kernel/nvidia-drm/nvidia-drm-gem.h
+++ b/kernel/nvidia-drm/nvidia-drm-gem.h
@@ -29,7 +29,11 @@
 
 #include "nvidia-drm-priv.h"
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_prime.h>
+#endif
 #include "nvkms-kapi.h"
 
 #if defined(NV_DRM_DRIVER_HAS_GEM_PRIME_RES_OBJ)
diff --git a/kernel/nvidia-drm/nvidia-drm-helper.c b/kernel/nvidia-drm/nvidia-drm-helper.c
index da602ac..c7239f7 100644
--- a/kernel/nvidia-drm/nvidia-drm-helper.c
+++ b/kernel/nvidia-drm/nvidia-drm-helper.c
@@ -31,7 +31,11 @@
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_framebuffer.h>
+#endif
 #if defined(NV_DRM_DRM_ATOMIC_UAPI_H_PRESENT)
 #include <drm/drm_atomic_uapi.h>
 #endif
diff --git a/kernel/nvidia-drm/nvidia-drm-helper.h b/kernel/nvidia-drm/nvidia-drm-helper.h
index 8f050d8..11c1d46 100644
--- a/kernel/nvidia-drm/nvidia-drm-helper.h
+++ b/kernel/nvidia-drm/nvidia-drm-helper.h
@@ -27,7 +27,11 @@
 
 #if defined(NV_DRM_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_drv.h>
+#endif
 
 /*
  * drm_dev_put() is added by commit 9a96f55034e41b4e002b767e9218d55f03bdff7d
diff --git a/kernel/nvidia-drm/nvidia-drm-modeset.h b/kernel/nvidia-drm/nvidia-drm-modeset.h
index 06659c5..57ee6b6 100644
--- a/kernel/nvidia-drm/nvidia-drm-modeset.h
+++ b/kernel/nvidia-drm/nvidia-drm-modeset.h
@@ -27,7 +27,12 @@
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_atomic.h>
+#include <drm/drm_vblank.h>
+#endif
 
 struct drm_atomic_state *nv_drm_atomic_state_alloc(struct drm_device *dev);
 void nv_drm_atomic_state_clear(struct drm_atomic_state *state);
diff --git a/kernel/nvidia-drm/nvidia-drm-os-interface.h b/kernel/nvidia-drm/nvidia-drm-os-interface.h
index f43f851..bac396d 100644
--- a/kernel/nvidia-drm/nvidia-drm-os-interface.h
+++ b/kernel/nvidia-drm/nvidia-drm-os-interface.h
@@ -29,7 +29,11 @@
 
 #if defined(NV_DRM_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_drv.h>
+#endif
 
 /* Set to true when the atomic modeset feature is enabled. */
 extern bool nv_drm_modeset_module_param;
diff --git a/kernel/nvidia-drm/nvidia-drm-prime-fence.h b/kernel/nvidia-drm/nvidia-drm-prime-fence.h
index 20da923..172fca0 100644
--- a/kernel/nvidia-drm/nvidia-drm-prime-fence.h
+++ b/kernel/nvidia-drm/nvidia-drm-prime-fence.h
@@ -27,7 +27,11 @@
 
 #if defined(NV_DRM_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_drv.h>
+#endif
 
 #if defined(NV_DRM_DRIVER_HAS_GEM_PRIME_RES_OBJ)
 
diff --git a/kernel/nvidia-drm/nvidia-drm-priv.h b/kernel/nvidia-drm/nvidia-drm-priv.h
index 9076835..f185aed 100644
--- a/kernel/nvidia-drm/nvidia-drm-priv.h
+++ b/kernel/nvidia-drm/nvidia-drm-priv.h
@@ -27,7 +27,9 @@
 
 #if defined(NV_DRM_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#endif
 
 #if defined(NV_DRM_DRM_GEM_H_PRESENT)
 #include <drm/drm_gem.h>
diff --git a/kernel/nvidia-drm/nvidia-drm-utils.h b/kernel/nvidia-drm/nvidia-drm-utils.h
index 6d24120..6a25f33 100644
--- a/kernel/nvidia-drm/nvidia-drm-utils.h
+++ b/kernel/nvidia-drm/nvidia-drm-utils.h
@@ -27,7 +27,13 @@
 
 #if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
 
+#if defined(NV_DRM_DRMP_H_PRESENT)
 #include <drm/drmP.h>
+#else
+#include <drm/drm_modes.h>
+#include <drm/drm_plane.h>
+#include <drm/drm_fourcc.h>
+#endif
 #include "nvkms-kapi.h"
 
 struct NvKmsKapiConnectorInfo*

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#3 2020-01-28 19:58:41

Roken
Member
From: South Wales, UK
Registered: 2012-01-16
Posts: 1,359

Re: [SOLVED] Linux 5.5 breaks NVidia

Thank you. However, between before work this morning when I did an update, and arriving home tonight, nvidia-dkms has been updated, presumably with the patch, and now installs just fine.

I suppose I should permanently hold back linux and linux-headers as a fallback (I use zen) for when such things go wrong. Rather than downgrading stuff, I can simply boot a known good kernel.

Marking as SOLVED.

Last edited by Roken (2020-01-28 19:59:59)


Ryzen 5900X 12 core/24 thread - RTX 3090 FE 24 Gb, Asus B550-F Gaming MB, 128Gb Corsair DDR4, Fractal Design Define 7 XL, 5 HD (2 NvME PCI, 4SSD) + 1 x optical.
Linux user #545703

/ is the root of all problems.

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