(kernel-rolling) (FTBFS) gpu: Add Support for JM9100 GPU

[MingcongBai]

Picked and rebased from #102.

Introduce patches to support JMGPU JM9100 (MWV207).

This pull request requires porting to Kernel versions >= 6.7 due to changes in GPU memory management interfaces (logs pending).

Builds tested

• amd64
• arm64
• loong64

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[MingcongBai]

Fails to build on all architectures:

drivers/gpu/drm/mwv207/mwv207_sched.c: In function ‘mwv207_sched_create’:                                 
drivers/gpu/drm/mwv207/mwv207_sched.c:242:63: error: passing argument 3 of ‘drm_sched_init’ makes pointer from integer without a cast [-Werror=int-conversion]                                                       
  242 |         ret = drm_sched_init(&sched->base, &mwv207_sched_ops, hw_submission, hang_limit,          
      |                                                               ^~~~~~~~~~~~~                                                                                                                                  
      |                                                               |                                   
      |                                                               unsigned int
In file included from drivers/gpu/drm/mwv207/mwv207_sched.c:16:
./include/drm/gpu_scheduler.h:547:45: note: expected ‘struct workqueue_struct *’ but argument is of type ‘unsigned int’
  547 |                    struct workqueue_struct *submit_wq,
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
drivers/gpu/drm/mwv207/mwv207_submit.c: In function ‘mwv207_submit_ioctl’:
In file included from ./include/uapi/linux/posix_types.h:5,
                 from ./include/uapi/linux/types.h:14,
                 from ./include/linux/types.h:6,
                 from ./include/linux/kasan-checks.h:5,
                 from ./include/asm-generic/rwonce.h:26,
                 from ./arch/x86/include/generated/asm/rwonce.h:1,
                 from ./include/linux/compiler.h:251,
                 from ./include/linux/build_bug.h:5,
                 from ./include/linux/init.h:5,
                 from ./include/linux/moduleparam.h:5,
                 from drivers/gpu/drm/mwv207/mwv207_sched.c:15:
./include/linux/stddef.h:8:14: error: passing argument 6 of ‘drm_sched_init’ makes integer from pointer without a cast [-Werror=int-conversion]
    8 | #define NULL ((void *)0)
      |              ^~~~~~~~~~~
      |              |                               
      |              void *
drivers/gpu/drm/mwv207/mwv207_sched.c:244:25: note: in expansion of macro ‘NULL’
  244 |                         NULL, NULL,
      |                         ^~~~
./include/drm/gpu_scheduler.h:548:64: note: expected ‘unsigned int’ but argument is of type ‘void *’
  548 |                    u32 num_rqs, u32 credit_limit, unsigned int hang_limit,
      |                                                   ~~~~~~~~~~~~~^~~~~~~~~~
./include/linux/stddef.h:8:14: error: passing argument 7 of ‘drm_sched_init’ makes integer from pointer without a cast [-Werror=int-conversion]
    8 | #define NULL ((void *)0)
      |              ^~~~~~~~~~~
      |              |                               
      |              void *
drivers/gpu/drm/mwv207/mwv207_sched.c:244:25: note: in expansion of macro ‘NULL’
  244 |                         NULL, NULL,
      |                         ^~~~
./include/drm/gpu_scheduler.h:548:64: note: expected ‘unsigned int’ but argument is of type ‘void *’
  548 |                    u32 num_rqs, u32 credit_limit, unsigned int hang_limit,
      |                                                   ~~~~~~~~~~~~~^~~~~~~~~~
./include/linux/stddef.h:8:14: error: passing argument 7 of ‘drm_sched_init’ makes integer from pointer without a cast [-Werror=int-conversion]
    8 | #define NULL ((void *)0)
      |              ^~~~~~~~~~~
      |              |                               
      |              void *
drivers/gpu/drm/mwv207/mwv207_sched.c:244:31: note: in expansion of macro ‘NULL’
  244 |                         NULL, NULL,
      |                               ^~~~
./include/drm/gpu_scheduler.h:549:25: note: expected ‘long int’ but argument is of type ‘void *’
  549 |                    long timeout, struct workqueue_struct *timeout_wq,
      |                    ~~~~~^~~~~~~
drivers/gpu/drm/mwv207/mwv207_submit.c:599:72: error: passing argument 3 of ‘drm_sched_job_init’ makes integer from pointer without a cast [-Werror=int-conversion]
  599 |         ret = drm_sched_job_init(&mjob->base, mjob->engine_entity, mjob->ctx);
      |                                                                    ~~~~^~~~~
      |                                                                        |
      |                                                                        struct mwv207_ctx *
drivers/gpu/drm/mwv207/mwv207_sched.c:245:29: error: passing argument 8 of ‘drm_sched_init’ from incompatible pointer type [-Werror=incompatible-pointer-types]
  245 |                         pipe->fname, jdev->dev);
      |                         ~~~~^~~~~~~
      |                             |
      |                             const char *
./include/drm/gpu_scheduler.h:549:59: note: expected ‘struct workqueue_struct *’ but argument is of type ‘const char *’
  549 |                    long timeout, struct workqueue_struct *timeout_wq,
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
In file included from drivers/gpu/drm/mwv207/mwv207_sched.h:17,
                 from drivers/gpu/drm/mwv207/mwv207_submit.c:20:
./include/drm/gpu_scheduler.h:555:28: note: expected ‘u32’ {aka ‘unsigned int’} but argument is of type ‘struct mwv207_ctx *’
  555 |                        u32 credits, void *owner);
      |                        ~~~~^~~~~~~
drivers/gpu/drm/mwv207/mwv207_sched.c:245:42: error: passing argument 9 of ‘drm_sched_init’ from incompatible pointer type [-Werror=incompatible-pointer-types]
  245 |                         pipe->fname, jdev->dev);
      |                                      ~~~~^~~~~
      |                                          |
      |                                          struct device *
./include/drm/gpu_scheduler.h:550:30: note: expected ‘atomic_t *’ but argument is of type ‘struct device *’
  550 |                    atomic_t *score, const char *name, struct device *dev);
      |                    ~~~~~~~~~~^~~~~
drivers/gpu/drm/mwv207/mwv207_sched.c:242:15: error: too few arguments to function ‘drm_sched_init’
  242 |         ret = drm_sched_init(&sched->base, &mwv207_sched_ops, hw_submission, hang_limit,
      |               ^~~~~~~~~~~~~~
./include/drm/gpu_scheduler.h:545:5: note: declared here
  545 | int drm_sched_init(struct drm_gpu_scheduler *sched,
      |     ^~~~~~~~~~~~~~                           
drivers/gpu/drm/mwv207/mwv207_submit.c:599:15: error: too few arguments to function ‘drm_sched_job_init’
  599 |         ret = drm_sched_job_init(&mjob->base, mjob->engine_entity, mjob->ctx);
      |               ^~~~~~~~~~~~~~~~~~
./include/drm/gpu_scheduler.h:553:5: note: declared here
  553 | int drm_sched_job_init(struct drm_sched_job *job,
      |     ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/mwv207/mwv207_sched.c: In function ‘mwv207_sched_suspend’:
drivers/gpu/drm/mwv207/mwv207_sched.c:276:48: error: ‘struct drm_gpu_scheduler’ has no member named ‘hw_rq_count’
  276 |                 if (atomic_read(&jdev->sched[i]->hw_rq_count))
      |                                                ^~
cc1: all warnings being treated as errors

@Avenger-285714 @opsiff