Re: linux-next: build failure after merge of the drm-misc tree

[Stephen Rothwell <sfr@canb.auug.org.au>]

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Hi all,

On Thu, 8 Oct 2020 14:09:03 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the drm-misc tree, today's linux-next build (x86_64
> allmodconfig) failed like this:

In file included from include/linux/clk.h:13,
                 from drivers/gpu/drm/ingenic/ingenic-drm-drv.c:10:
drivers/gpu/drm/ingenic/ingenic-drm-drv.c: In function 'ingenic_drm_update_palette':
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:35: error: 'struct ingenic_drm' has no member named 'dma_hwdescs'; did you mean 'dma_hwdesc_f0'?
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                                   ^~~~~~~~~~~
include/linux/kernel.h:47:33: note: in definition of macro 'ARRAY_SIZE'
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                                 ^~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:35: error: 'struct ingenic_drm' has no member named 'dma_hwdescs'; did you mean 'dma_hwdesc_f0'?
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                                   ^~~~~~~~~~~
include/linux/kernel.h:47:48: note: in definition of macro 'ARRAY_SIZE'
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                                                ^~~
In file included from include/linux/bits.h:22,
                 from include/linux/bitops.h:5,
                 from drivers/gpu/drm/ingenic/ingenic-drm.h:10,
                 from drivers/gpu/drm/ingenic/ingenic-drm-drv.c:7:
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:35: error: 'struct ingenic_drm' has no member named 'dma_hwdescs'; did you mean 'dma_hwdesc_f0'?
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                                   ^~~~~~~~~~~
include/linux/build_bug.h:16:62: note: in definition of macro 'BUILD_BUG_ON_ZERO'
   16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
      |                                                              ^
include/linux/compiler.h:224:46: note: in expansion of macro '__same_type'
  224 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
      |                                              ^~~~~~~~~~~
include/linux/kernel.h:47:59: note: in expansion of macro '__must_be_array'
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                                                           ^~~~~~~~~~~~~~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:18: note: in expansion of macro 'ARRAY_SIZE'
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                  ^~~~~~~~~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:35: error: 'struct ingenic_drm' has no member named 'dma_hwdescs'; did you mean 'dma_hwdesc_f0'?
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                                   ^~~~~~~~~~~
include/linux/build_bug.h:16:62: note: in definition of macro 'BUILD_BUG_ON_ZERO'
   16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
      |                                                              ^
include/linux/compiler.h:224:46: note: in expansion of macro '__same_type'
  224 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
      |                                              ^~~~~~~~~~~
include/linux/kernel.h:47:59: note: in expansion of macro '__must_be_array'
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                                                           ^~~~~~~~~~~~~~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:18: note: in expansion of macro 'ARRAY_SIZE'
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                  ^~~~~~~~~~
include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not an integer constant
   16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
      |                                                   ^
include/linux/compiler.h:224:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
  224 | #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
      |                            ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:47:59: note: in expansion of macro '__must_be_array'
   47 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
      |                                                           ^~~~~~~~~~~~~~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:448:18: note: in expansion of macro 'ARRAY_SIZE'
  448 |  for (i = 0; i < ARRAY_SIZE(priv->dma_hwdescs->palette); i++) {
      |                  ^~~~~~~~~~
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:453:9: error: 'struct ingenic_drm' has no member named 'dma_hwdescs'; did you mean 'dma_hwdesc_f0'?
  453 |   priv->dma_hwdescs->palette[i] = color;
      |         ^~~~~~~~~~~
      |         dma_hwdesc_f0
drivers/gpu/drm/ingenic/ingenic-drm-drv.c: In function 'ingenic_drm_plane_atomic_update':
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:467:3: error: 'crtc_state' undeclared (first use in this function); did you mean 'ctx_state'?
  467 |   crtc_state = state->crtc->state;
      |   ^~~~~~~~~~
      |   ctx_state
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:467:3: note: each undeclared identifier is reported only once for each function it appears in
At top level:
drivers/gpu/drm/ingenic/ingenic-drm-drv.c:443:13: warning: 'ingenic_drm_update_palette' defined but not used [-Wunused-function]
  443 | static void ingenic_drm_update_palette(struct ingenic_drm *priv,
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~

> I noticed that the ingenic driver revert I had been waiting for appeared
> in hte drm-misc tree, so I removed the BROKEN dependency for it, but it
> produced the above errors, so I have marked it BROKEN again.

-- 
Cheers,
Stephen Rothwell

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