staging: gma500: Clean up more unused structures and code

We don't need the 3D validation stuff so it and all the related gunge can
depart. While we are at it prune some unused definitions.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/gma500/psb_drv.c

@@ -284,20 +284,7 @@ static void psb_set_uopt(struct drm_psb_uopt *uopt)
 
 static void psb_lastclose(struct drm_device *dev)
 {
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-
 	return;
-
-	if (!dev->dev_private)
-		return;
-
-	mutex_lock(&dev_priv->cmdbuf_mutex);
-	if (dev_priv->context.buffers) {
-		vfree(dev_priv->context.buffers);
-		dev_priv->context.buffers = NULL;
-	}
-	mutex_unlock(&dev_priv->cmdbuf_mutex);
 }
 
 static void psb_do_takedown(struct drm_device *dev)
@@ -744,7 +731,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 	dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 	if (dev_priv == NULL)
 		return -ENOMEM;
-	INIT_LIST_HEAD(&dev_priv->video_ctx);
 
 	if (IS_MRST(dev))
 		dev_priv->num_pipe = 1;
@@ -767,8 +753,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 	mutex_init(&dev_priv->temp_mem);
 	mutex_init(&dev_priv->cmdbuf_mutex);
 	mutex_init(&dev_priv->reset_mutex);
-	INIT_LIST_HEAD(&dev_priv->context.validate_list);
-	INIT_LIST_HEAD(&dev_priv->context.kern_validate_list);
 
 /*	mutex_init(&dev_priv->dsr_mutex); */
 

drivers/staging/gma500/psb_drv.h

@@ -94,23 +94,10 @@ enum {
 #define PSB_MEM_MMU_START       0x00000000
 #define PSB_MEM_TT_START        0xE0000000
 
-#define PSB_GL3_CACHE_CTL	0x2100
-#define PSB_GL3_CACHE_STAT	0x2108
-
 /*
  *Flags for external memory type field.
  */
 
-#define MRST_MSVDX_OFFSET	0x90000	/*MSVDX Base offset */
-#define PSB_MSVDX_OFFSET	0x50000	/*MSVDX Base offset */
-/* MSVDX MMIO region is 0x50000 - 0x57fff ==> 32KB */
-#define PSB_MSVDX_SIZE		0x10000
-
-#define LNC_TOPAZ_OFFSET	0xA0000
-#define PNW_TOPAZ_OFFSET	0xC0000
-#define PNW_GL3_OFFSET		0xB0000
-#define LNC_TOPAZ_SIZE		0x10000
-#define PNW_TOPAZ_SIZE		0x30000 /* PNW VXE285 has two cores */
 #define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
 #define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
 #define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
@@ -222,20 +209,6 @@ enum {
 #define MDFLD_PNW_B0 0x04
 #define MDFLD_PNW_C0 0x08
 
-#define MDFLD_DSR_2D_3D_0 BIT0
-#define MDFLD_DSR_2D_3D_2 BIT1
-#define MDFLD_DSR_CURSOR_0 BIT2
-#define MDFLD_DSR_CURSOR_2 BIT3
-#define MDFLD_DSR_OVERLAY_0 BIT4
-#define MDFLD_DSR_OVERLAY_2 BIT5
-#define MDFLD_DSR_MIPI_CONTROL	BIT6
-#define MDFLD_DSR_2D_3D 	(MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
-
-#define MDFLD_DSR_RR 45
-#define MDFLD_DPU_ENABLE BIT31
-#define MDFLD_DSR_FULLSCREEN BIT30
-#define MDFLD_DSR_DELAY (DRM_HZ / MDFLD_DSR_RR)
-
 #define PSB_PWR_STATE_ON		1
 #define PSB_PWR_STATE_OFF		2
 
@@ -249,9 +222,6 @@ enum {
 #define PSB_PCIx_MSI_ADDR_LOC		0x94
 #define PSB_PCIx_MSI_DATA_LOC		0x98
 
-#define MDFLD_PLANE_MAX_WIDTH		2048
-#define MDFLD_PLANE_MAX_HEIGHT		2048
-
 struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
@@ -273,66 +243,6 @@ struct drm_psb_uopt {
 	int pad; /*keep it here in case we use it in future*/
 };
 
-/**
- *struct psb_context
- *
- *@buffers:	 array of pre-allocated validate buffers.
- *@used_buffers: number of buffers in @buffers array currently in use.
- *@validate_buffer: buffers validated from user-space.
- *@kern_validate_buffers : buffers validated from kernel-space.
- *@fence_flags : Fence flags to be used for fence creation.
- *
- *This structure is used during execbuf validation.
- */
-
-struct psb_context {
-	struct psb_validate_buffer *buffers;
-	uint32_t used_buffers;
-	struct list_head validate_list;
-	struct list_head kern_validate_list;
-	uint32_t fence_types;
-	uint32_t val_seq;
-};
-
-struct psb_validate_buffer;
-
-/* Currently defined profiles */
-enum VAProfile {
-	VAProfileMPEG2Simple		= 0,
-	VAProfileMPEG2Main		= 1,
-	VAProfileMPEG4Simple		= 2,
-	VAProfileMPEG4AdvancedSimple	= 3,
-	VAProfileMPEG4Main		= 4,
-	VAProfileH264Baseline		= 5,
-	VAProfileH264Main		= 6,
-	VAProfileH264High		= 7,
-	VAProfileVC1Simple		= 8,
-	VAProfileVC1Main		= 9,
-	VAProfileVC1Advanced		= 10,
-	VAProfileH263Baseline		= 11,
-	VAProfileJPEGBaseline           = 12,
-	VAProfileH264ConstrainedBaseline = 13
-};
-
-/* Currently defined entrypoints */
-enum VAEntrypoint {
-	VAEntrypointVLD		= 1,
-	VAEntrypointIZZ		= 2,
-	VAEntrypointIDCT	= 3,
-	VAEntrypointMoComp	= 4,
-	VAEntrypointDeblocking	= 5,
-	VAEntrypointEncSlice	= 6,	/* slice level encode */
-	VAEntrypointEncPicture 	= 7	/* pictuer encode, JPEG, etc */
-};
-
-
-struct psb_video_ctx {
-	struct list_head head;
-	struct file *filp; /* DRM device file pointer */
-	int ctx_type; /* profile<<8|entrypoint */
-	/* todo: more context specific data for multi-context support */
-};
-
 struct mrst_vbt {
 	s8 signature[4];	/*4 bytes,"$GCT" */
 	u8 revision;
@@ -574,10 +484,6 @@ struct drm_psb_private {
 	uint8_t *vdc_reg;
 	uint32_t gatt_free_offset;
 
-	/* IMG video context */
-	struct list_head video_ctx;
-
-
 
 	/*
 	 *Fencing / irq.
@@ -869,12 +775,6 @@ struct drm_psb_private {
 	int force_ta_mem_load;*/
 	atomic_t val_seq;
 
-	/*
-	 *TODO: change this to be per drm-context.
-	 */
-
-	struct psb_context context;
-
 	/*
 	 * LID-Switch
 	 */
@@ -1032,11 +932,6 @@ extern void psb_fence_or_sync(struct drm_file *file_priv,
 			      struct list_head *list,
 			      struct psb_ttm_fence_rep *fence_arg,
 			      struct ttm_fence_object **fence_p);
-extern int psb_validate_kernel_buffer(struct psb_context *context,
-				      struct ttm_buffer_object *bo,
-				      uint32_t fence_class,
-				      uint64_t set_flags,
-				      uint64_t clr_flags);
 
 /*
  *psb_irq.c

drivers/staging/gma500/psb_sgx.c

@@ -64,113 +64,6 @@ struct psb_validate_buffer {
 	uint32_t offset;
 	int po_correct;
 };
-static int
-psb_placement_fence_type(struct ttm_buffer_object *bo,
-			 uint64_t set_val_flags,
-			 uint64_t clr_val_flags,
-			 uint32_t new_fence_class,
-			 uint32_t *new_fence_type)
-{
-	int ret;
-	uint32_t n_fence_type;
-	/*
-	uint32_t set_flags = set_val_flags & 0xFFFFFFFF;
-	uint32_t clr_flags = clr_val_flags & 0xFFFFFFFF;
-	*/
-	struct ttm_fence_object *old_fence;
-	uint32_t old_fence_type;
-	struct ttm_placement placement;
-
-	if (unlikely
-	    (!(set_val_flags &
-	       (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)))) {
-		DRM_ERROR
-		    ("GPU access type (read / write) is not indicated.\n");
-		return -EINVAL;
-	}
-
-	/* User space driver doesn't set any TTM placement flags in
-					set_val_flags or clr_val_flags */
-	placement.num_placement = 0;/* FIXME  */
-	placement.num_busy_placement = 0;
-	placement.fpfn = 0;
-	placement.lpfn = 0;
-	ret = psb_ttm_bo_check_placement(bo, &placement);
-	if (unlikely(ret != 0))
-		return ret;
-
-	switch (new_fence_class) {
-	default:
-		n_fence_type = _PSB_FENCE_TYPE_EXE;
-	}
-
-	*new_fence_type = n_fence_type;
-	old_fence = (struct ttm_fence_object *) bo->sync_obj;
-	old_fence_type = (uint32_t) (unsigned long) bo->sync_obj_arg;
-
-	if (old_fence && ((new_fence_class != old_fence->fence_class) ||
-			  ((n_fence_type ^ old_fence_type) &
-			   old_fence_type))) {
-		ret = ttm_bo_wait(bo, 0, 1, 0);
-		if (unlikely(ret != 0))
-			return ret;
-	}
-	/*
-	bo->proposed_flags = (bo->proposed_flags | set_flags)
-		& ~clr_flags & TTM_PL_MASK_MEMTYPE;
-	*/
-	return 0;
-}
-
-int psb_validate_kernel_buffer(struct psb_context *context,
-			       struct ttm_buffer_object *bo,
-			       uint32_t fence_class,
-			       uint64_t set_flags, uint64_t clr_flags)
-{
-	struct psb_validate_buffer *item;
-	uint32_t cur_fence_type;
-	int ret;
-
-	if (unlikely(context->used_buffers >= PSB_NUM_VALIDATE_BUFFERS)) {
-		DRM_ERROR("Out of free validation buffer entries for "
-			  "kernel buffer validation.\n");
-		return -ENOMEM;
-	}
-
-	item = &context->buffers[context->used_buffers];
-	item->user_val_arg = NULL;
-	item->base.reserved = 0;
-
-	ret = ttm_bo_reserve(bo, 1, 0, 1, context->val_seq);
-	if (unlikely(ret != 0))
-	        return ret;
-
-	ret = psb_placement_fence_type(bo, set_flags, clr_flags, fence_class,
-				       &cur_fence_type);
-	if (unlikely(ret != 0)) {
-		ttm_bo_unreserve(bo);
-		return ret;
-	}
-
-	item->base.bo = ttm_bo_reference(bo);
-	item->base.new_sync_obj_arg = (void *) (unsigned long) cur_fence_type;
-	item->base.reserved = 1;
-
-	/* Internal locking ??? FIXMEAC */
-	list_add_tail(&item->base.head, &context->kern_validate_list);
-	context->used_buffers++;
-	/*
-	ret = ttm_bo_validate(bo, 1, 0, 0);
-	if (unlikely(ret != 0))
-		goto out_unlock;
-	*/
-	item->offset = bo->offset;
-	item->flags = bo->mem.placement;
-	context->fence_types |= cur_fence_type;
-
-	return ret;
-}
-
 void psb_fence_or_sync(struct drm_file *file_priv,
 		       uint32_t engine,
 		       uint32_t fence_types,