Hi all,
After merging the drm-misc tree, today's linux-next build (x86_64
allmodconfig) failed like this:
drivers/gpu/drm/qxl/qxl_display.c: In function 'qxl_display_read_client_monitors_config':
include/drm/drm_modeset_lock.h:167:7: error: implicit declaration of function 'drm_drv_uses_atomic_modeset' [-Werror=implicit-function-declaration]
167 | if (!drm_drv_uses_atomic_modeset(dev)) \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:187:2: note: in expansion of macro 'DRM_MODESET_LOCK_ALL_BEGIN'
187 | DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:189:35: error: macro "DRM_MODESET_LOCK_ALL_END" requires 3 arguments, but only 2 given
189 | DRM_MODESET_LOCK_ALL_END(ctx, ret);
| ^
In file included from include/drm/drm_crtc.h:36,
from include/drm/drm_atomic.h:31,
from drivers/gpu/drm/qxl/qxl_display.c:29:
include/drm/drm_modeset_lock.h:194: note: macro "DRM_MODESET_LOCK_ALL_END" defined here
194 | #define DRM_MODESET_LOCK_ALL_END(dev, ctx, ret) \
|
drivers/gpu/drm/qxl/qxl_display.c:189:2: error: 'DRM_MODESET_LOCK_ALL_END' undeclared (first use in this function)
189 | DRM_MODESET_LOCK_ALL_END(ctx, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:189:2: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/qxl/qxl_display.c:187:2: error: label 'modeset_lock_fail' used but not defined
187 | DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/drm/drm_crtc.h:36,
from include/drm/drm_atomic.h:31,
from drivers/gpu/drm/qxl/qxl_display.c:29:
include/drm/drm_modeset_lock.h:170:1: warning: label 'modeset_lock_retry' defined but not used [-Wunused-label]
170 | modeset_lock_retry: \
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:187:2: note: in expansion of macro 'DRM_MODESET_LOCK_ALL_BEGIN'
187 | DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c: In function 'qxl_framebuffer_surface_dirty':
drivers/gpu/drm/qxl/qxl_display.c:434:35: error: macro "DRM_MODESET_LOCK_ALL_END" requires 3 arguments, but only 2 given
434 | DRM_MODESET_LOCK_ALL_END(ctx, ret);
| ^
In file included from include/drm/drm_crtc.h:36,
from include/drm/drm_atomic.h:31,
from drivers/gpu/drm/qxl/qxl_display.c:29:
include/drm/drm_modeset_lock.h:194: note: macro "DRM_MODESET_LOCK_ALL_END" defined here
194 | #define DRM_MODESET_LOCK_ALL_END(dev, ctx, ret) \
|
drivers/gpu/drm/qxl/qxl_display.c:434:2: error: 'DRM_MODESET_LOCK_ALL_END' undeclared (first use in this function)
434 | DRM_MODESET_LOCK_ALL_END(ctx, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:411:2: error: label 'modeset_lock_fail' used but not defined
411 | DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/drm/drm_crtc.h:36,
from include/drm/drm_atomic.h:31,
from drivers/gpu/drm/qxl/qxl_display.c:29:
include/drm/drm_modeset_lock.h:170:1: warning: label 'modeset_lock_retry' defined but not used [-Wunused-label]
170 | modeset_lock_retry: \
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/qxl/qxl_display.c:411:2: note: in expansion of macro 'DRM_MODESET_LOCK_ALL_BEGIN'
411 | DRM_MODESET_LOCK_ALL_BEGIN(fb->dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Caused by commit
bbaac1354cc9 ("drm/qxl: Replace deprecated function in qxl_display")
interacting with commit
77ef38574beb ("drm/modeset-lock: Take the modeset BKL for legacy drivers")
from the drm-misc-fixes tree.
drivers/gpu/drm/qxl/qxl_display.c manages to include
drm/drm_modeset_lock.h by some indirect route, but fails to have
drm/drm_drv.h similarly included. In fact, drm/drm_modeset_lock.h should
have included drm/drm_drv.h since it uses things declared there, and
drivers/gpu/drm/qxl/qxl_display.c should include drm/drm_modeset_lock.h
similarly.
I have added the following hack patch for today.
From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Wed, 26 Aug 2020 10:40:18 +1000
Subject: [PATCH] fix interaction with drm-misc-fix commit
Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/qxl/qxl_display.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index fa79688013b7..6063f3a15329 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -26,6 +26,7 @@
#include <linux/crc32.h>
#include <linux/delay.h>
+#include <drm/drm_drv.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
@@ -186,7 +187,7 @@ void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
qxl_update_offset_props(qdev);
- DRM_MODESET_LOCK_ALL_END(ctx, ret);
+ DRM_MODESET_LOCK_ALL_END(dev, ctx, ret);
if (!drm_helper_hpd_irq_event(dev)) {
/* notify that the monitor configuration changed, to
adjust at the arbitrary resolution */
@@ -431,7 +432,7 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
clips, num_clips, inc, 0);
out_lock_end:
- DRM_MODESET_LOCK_ALL_END(ctx, ret);
+ DRM_MODESET_LOCK_ALL_END(fb->dev, ctx, ret);
return 0;
}
--
2.28.0
--
Cheers,
Stephen Rothwell
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