drm/v3d: Detach job submissions IOCTLs to a new specific file

We will include a new job submission type, the CPU job submission. For
readability and maintability, separate the job submission IOCTLs and
related operations from v3d_gem.c.

Minor fix in the CSD submission kernel doc:
CSD (texture formatting) -> CSD (compute shader).
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231130164420.932823-5-mcanal@igalia.com

drivers/gpu/drm/v3d/Makefile

@@ -12,7 +12,8 @@ v3d-y := \
 	v3d_perfmon.o \
 	v3d_trace_points.o \
 	v3d_sched.o \
-	v3d_sysfs.o
+	v3d_sysfs.o \
+	v3d_submit.o
 
 v3d-$(CONFIG_DEBUG_FS) += v3d_debugfs.o
 

drivers/gpu/drm/v3d/v3d_drv.h

@@ -401,17 +401,19 @@ struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum v3d_queue queue);
 /* v3d_gem.c */
 int v3d_gem_init(struct drm_device *dev);
 void v3d_gem_destroy(struct drm_device *dev);
+void v3d_reset(struct v3d_dev *v3d);
+void v3d_invalidate_caches(struct v3d_dev *v3d);
+void v3d_clean_caches(struct v3d_dev *v3d);
+
+/* v3d_submit.c */
+void v3d_job_cleanup(struct v3d_job *job);
+void v3d_job_put(struct v3d_job *job);
 int v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 int v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 int v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
-void v3d_job_cleanup(struct v3d_job *job);
-void v3d_job_put(struct v3d_job *job);
-void v3d_reset(struct v3d_dev *v3d);
-void v3d_invalidate_caches(struct v3d_dev *v3d);
-void v3d_clean_caches(struct v3d_dev *v3d);
 
 /* v3d_irq.c */
 int v3d_irq_init(struct v3d_dev *v3d);