From: Daniel Vetter Date: Wed, 26 Oct 2011 20:22:59 +0000 (+0200) Subject: drm/sis: use drm_mm instead of drm_sman X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=be2fb9da32cb88a1311350de3d1db8f9e461ae9f;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/sis: use drm_mm instead of drm_sman v2: Smash compile fix from Tormod Volden for CONFIG_FB_SIS on top of this. Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 64d329f7d9b6..06da063ece2e 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -49,9 +49,6 @@ static int sis_driver_load(struct drm_device *dev, unsigned long chipset) dev->dev_private = (void *)dev_priv; dev_priv->chipset = chipset; idr_init(&dev->object_name_idr); - ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); - if (ret) - kfree(dev_priv); return ret; } @@ -60,7 +57,6 @@ static int sis_driver_unload(struct drm_device *dev) { drm_sis_private_t *dev_priv = dev->dev_private; - drm_sman_takedown(&dev_priv->sman); idr_remove_all(&dev_priv->object_idr); idr_destroy(&dev_priv->object_idr); diff --git a/drivers/gpu/drm/sis/sis_drv.h b/drivers/gpu/drm/sis/sis_drv.h index fcdd06ad5dc3..573758b2d2d6 100644 --- a/drivers/gpu/drm/sis/sis_drv.h +++ b/drivers/gpu/drm/sis/sis_drv.h @@ -44,7 +44,7 @@ enum sis_family { SIS_CHIP_315 = 1, }; -#include "drm_sman.h" +#include "drm_mm.h" #define SIS_BASE (dev_priv->mmio) @@ -54,12 +54,13 @@ enum sis_family { typedef struct drm_sis_private { drm_local_map_t *mmio; unsigned int idle_fault; - struct drm_sman sman; unsigned int chipset; int vram_initialized; int agp_initialized; unsigned long vram_offset; unsigned long agp_offset; + struct drm_mm vram_mm; + struct drm_mm agp_mm; /** Mapping of userspace keys to mm objects */ struct idr object_idr; } drm_sis_private_t; diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c index 21d36df02a88..46cb2bce6cc5 100644 --- a/drivers/gpu/drm/sis/sis_mm.c +++ b/drivers/gpu/drm/sis/sis_mm.c @@ -41,40 +41,18 @@ #define AGP_TYPE 1 +struct sis_memblock { + struct drm_mm_node mm_node; + struct sis_memreq req; + struct list_head owner_list; +}; + #if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE) /* fb management via fb device */ #define SIS_MM_ALIGN_SHIFT 0 #define SIS_MM_ALIGN_MASK 0 -static void *sis_sman_mm_allocate(void *private, unsigned long size, - unsigned alignment) -{ - struct sis_memreq req; - - req.size = size; - sis_malloc(&req); - if (req.size == 0) - return NULL; - else - return (void *)(unsigned long)~req.offset; -} - -static void sis_sman_mm_free(void *private, void *ref) -{ - sis_free(~((unsigned long)ref)); -} - -static void sis_sman_mm_destroy(void *private) -{ - ; -} - -static unsigned long sis_sman_mm_offset(void *private, void *ref) -{ - return ~((unsigned long)ref); -} - #else /* CONFIG_FB_SIS[_MODULE] */ #define SIS_MM_ALIGN_SHIFT 4 @@ -86,30 +64,11 @@ static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_fb_t *fb = data; - int ret; mutex_lock(&dev->struct_mutex); -#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE) - { - struct drm_sman_mm sman_mm; - sman_mm.private = (void *)0xFFFFFFFF; - sman_mm.allocate = sis_sman_mm_allocate; - sman_mm.free = sis_sman_mm_free; - sman_mm.destroy = sis_sman_mm_destroy; - sman_mm.offset = sis_sman_mm_offset; - ret = - drm_sman_set_manager(&dev_priv->sman, VIDEO_TYPE, &sman_mm); - } -#else - ret = drm_sman_set_range(&dev_priv->sman, VIDEO_TYPE, 0, - fb->size >> SIS_MM_ALIGN_SHIFT); -#endif - - if (ret) { - DRM_ERROR("VRAM memory manager initialisation error\n"); - mutex_unlock(&dev->struct_mutex); - return ret; - } + /* Unconditionally init the drm_mm, even though we don't use it when the + * fb sis driver is available - make cleanup easier. */ + drm_mm_init(&dev_priv->vram_mm, 0, fb->size >> SIS_MM_ALIGN_SHIFT); dev_priv->vram_initialized = 1; dev_priv->vram_offset = fb->offset; @@ -126,8 +85,9 @@ static int sis_drm_alloc(struct drm_device *dev, struct drm_file *file, drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *mem = data; int retval = 0, user_key; - struct drm_memblock_item *item; + struct sis_memblock *item; struct sis_file_private *file_priv = file->driver_priv; + unsigned long offset; mutex_lock(&dev->struct_mutex); @@ -139,13 +99,35 @@ static int sis_drm_alloc(struct drm_device *dev, struct drm_file *file, return -EINVAL; } - mem->size = (mem->size + SIS_MM_ALIGN_MASK) >> SIS_MM_ALIGN_SHIFT; - item = drm_sman_alloc(&dev_priv->sman, pool, mem->size, 0, 0); + item = kzalloc(sizeof(*item), GFP_KERNEL); if (!item) { retval = -ENOMEM; goto fail_alloc; } + mem->size = (mem->size + SIS_MM_ALIGN_MASK) >> SIS_MM_ALIGN_SHIFT; + if (pool == AGP_TYPE) { + retval = drm_mm_insert_node(&dev_priv->agp_mm, + &item->mm_node, + mem->size, 0); + offset = item->mm_node.start; + } else { +#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE) + item->req.size = mem->size; + sis_malloc(&item->req); + if (item->req.size == 0) + retval = -ENOMEM; + offset = item->req.offset; +#else + retval = drm_mm_insert_node(&dev_priv->vram_mm, + &item->mm_node, + mem->size, 0); + offset = item->mm_node.start; +#endif + } + if (retval) + goto fail_alloc; + again: if (idr_pre_get(&dev_priv->object_idr, GFP_KERNEL) == 0) { retval = -ENOMEM; @@ -163,16 +145,16 @@ again: mem->offset = ((pool == 0) ? dev_priv->vram_offset : dev_priv->agp_offset) + - (item->mm-> - offset(item->mm, item->mm_info) << SIS_MM_ALIGN_SHIFT); + (offset << SIS_MM_ALIGN_SHIFT); mem->free = user_key; mem->size = mem->size << SIS_MM_ALIGN_SHIFT; return 0; fail_idr: - drm_sman_free(item); + drm_mm_remove_node(&item->mm_node); fail_alloc: + kfree(item); mutex_unlock(&dev->struct_mutex); mem->offset = 0; @@ -189,7 +171,7 @@ static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *fil { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *mem = data; - struct drm_memblock_item *obj; + struct sis_memblock *obj; int ret; mutex_lock(&dev->struct_mutex); @@ -200,7 +182,14 @@ static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *fil } idr_remove(&dev_priv->object_idr, mem->free); - drm_sman_free(obj); + list_del(&obj->owner_list); + if (drm_mm_node_allocated(&obj->mm_node)) + drm_mm_remove_node(&obj->mm_node); +#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE) + else + sis_free(obj->req.offset); +#endif + kfree(obj); mutex_unlock(&dev->struct_mutex); DRM_DEBUG("free = 0x%lx\n", mem->free); @@ -218,18 +207,10 @@ static int sis_ioctl_agp_init(struct drm_device *dev, void *data, { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_agp_t *agp = data; - int ret; dev_priv = dev->dev_private; mutex_lock(&dev->struct_mutex); - ret = drm_sman_set_range(&dev_priv->sman, AGP_TYPE, 0, - agp->size >> SIS_MM_ALIGN_SHIFT); - - if (ret) { - DRM_ERROR("AGP memory manager initialisation error\n"); - mutex_unlock(&dev->struct_mutex); - return ret; - } + drm_mm_init(&dev_priv->agp_mm, 0, agp->size >> SIS_MM_ALIGN_SHIFT); dev_priv->agp_initialized = 1; dev_priv->agp_offset = agp->offset; @@ -323,9 +304,14 @@ void sis_lastclose(struct drm_device *dev) return; mutex_lock(&dev->struct_mutex); - drm_sman_cleanup(&dev_priv->sman); - dev_priv->vram_initialized = 0; - dev_priv->agp_initialized = 0; + if (dev_priv->vram_initialized) { + drm_mm_takedown(&dev_priv->vram_mm); + dev_priv->vram_initialized = 0; + } + if (dev_priv->agp_initialized) { + drm_mm_takedown(&dev_priv->agp_mm); + dev_priv->agp_initialized = 0; + } dev_priv->mmio = NULL; mutex_unlock(&dev->struct_mutex); } @@ -334,7 +320,7 @@ void sis_reclaim_buffers_locked(struct drm_device *dev, struct drm_file *file) { struct sis_file_private *file_priv = file->driver_priv; - struct drm_memblock_item *entry, *next; + struct sis_memblock *entry, *next; mutex_lock(&dev->struct_mutex); if (list_empty(&file_priv->obj_list)) { @@ -348,7 +334,14 @@ void sis_reclaim_buffers_locked(struct drm_device *dev, list_for_each_entry_safe(entry, next, &file_priv->obj_list, owner_list) { - drm_sman_free(entry); + list_del(&entry->owner_list); + if (drm_mm_node_allocated(&entry->mm_node)) + drm_mm_remove_node(&entry->mm_node); +#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE) + else + sis_free(entry->req.offset); +#endif + kfree(entry); } mutex_unlock(&dev->struct_mutex); return;