diff options
| -rw-r--r-- | arch/arm/plat-omap/common.c | 4 | ||||
| -rw-r--r-- | arch/arm/plat-omap/fb.c | 30 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/vram.h | 4 | ||||
| -rw-r--r-- | drivers/video/omap2/vram.c | 33 | ||||
| -rw-r--r-- | include/linux/omapfb.h | 2 |
5 files changed, 39 insertions, 34 deletions
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c index 9f6bbc178a7..ebed82699eb 100644 --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -85,8 +85,8 @@ EXPORT_SYMBOL(omap_get_var_config); void __init omap_reserve(void) { - omapfb_reserve_sdram(); - omap_vram_reserve_sdram(); + omapfb_reserve_sdram_memblock(); + omap_vram_reserve_sdram_memblock(); } /* diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c index 97db493904f..0054b9501a5 100644 --- a/arch/arm/plat-omap/fb.c +++ b/arch/arm/plat-omap/fb.c @@ -26,7 +26,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/io.h> #include <linux/omapfb.h> @@ -173,25 +173,27 @@ static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg, static int valid_sdram(unsigned long addr, unsigned long size) { - struct bootmem_data *bdata = NODE_DATA(0)->bdata; - unsigned long sdram_start, sdram_end; + struct memblock_property res; - sdram_start = bdata->node_min_pfn << PAGE_SHIFT; - sdram_end = bdata->node_low_pfn << PAGE_SHIFT; - - return addr >= sdram_start && sdram_end - addr >= size; + res.base = addr; + res.size = size; + return !memblock_find(&res) && res.base == addr && res.size == size; } static int reserve_sdram(unsigned long addr, unsigned long size) { - return reserve_bootmem(addr, size, BOOTMEM_EXCLUSIVE); + if (memblock_is_region_reserved(addr, size)) + return -EBUSY; + if (memblock_reserve(addr, size)) + return -ENOMEM; + return 0; } /* * Called from map_io. We need to call to this early enough so that we * can reserve the fixed SDRAM regions before VM could get hold of them. */ -void __init omapfb_reserve_sdram(void) +void __init omapfb_reserve_sdram_memblock(void) { unsigned long reserved = 0; int i; @@ -386,7 +388,10 @@ static inline int omap_init_fb(void) arch_initcall(omap_init_fb); -void omapfb_reserve_sdram(void) {} +void omapfb_reserve_sdram_memblock(void) +{ +} + unsigned long omapfb_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, @@ -402,7 +407,10 @@ void omapfb_set_platform_data(struct omapfb_platform_data *data) { } -void omapfb_reserve_sdram(void) {} +void omapfb_reserve_sdram_memblock(void) +{ +} + unsigned long omapfb_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, diff --git a/arch/arm/plat-omap/include/plat/vram.h b/arch/arm/plat-omap/include/plat/vram.h index edd4987758a..0aa4ecd12c7 100644 --- a/arch/arm/plat-omap/include/plat/vram.h +++ b/arch/arm/plat-omap/include/plat/vram.h @@ -38,7 +38,7 @@ extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, extern void omap_vram_set_sdram_vram(u32 size, u32 start); extern void omap_vram_set_sram_vram(u32 size, u32 start); -extern void omap_vram_reserve_sdram(void); +extern void omap_vram_reserve_sdram_memblock(void); extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, @@ -48,7 +48,7 @@ extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } -static inline void omap_vram_reserve_sdram(void) { } +static inline void omap_vram_reserve_sdram_memblock(void) { } static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, unsigned long sram_vstart, unsigned long sram_size, diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c index 3b1237ad85e..f6fdc2085f3 100644 --- a/drivers/video/omap2/vram.c +++ b/drivers/video/omap2/vram.c @@ -25,7 +25,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/seq_file.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/completion.h> #include <linux/debugfs.h> #include <linux/jiffies.h> @@ -525,10 +525,8 @@ early_param("vram", omap_vram_early_vram); * Called from map_io. We need to call to this early enough so that we * can reserve the fixed SDRAM regions before VM could get hold of them. */ -void __init omap_vram_reserve_sdram(void) +void __init omap_vram_reserve_sdram_memblock(void) { - struct bootmem_data *bdata; - unsigned long sdram_start, sdram_size; u32 paddr; u32 size = 0; @@ -555,29 +553,28 @@ void __init omap_vram_reserve_sdram(void) size = PAGE_ALIGN(size); - bdata = NODE_DATA(0)->bdata; - sdram_start = bdata->node_min_pfn << PAGE_SHIFT; - sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start; - if (paddr) { - if ((paddr & ~PAGE_MASK) || paddr < sdram_start || - paddr + size > sdram_start + sdram_size) { + struct memblock_property res; + + res.base = paddr; + res.size = size; + if ((paddr & ~PAGE_MASK) || memblock_find(&res) || + res.base != paddr || res.size != size) { pr_err("Illegal SDRAM region for VRAM\n"); return; } - if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) { - pr_err("FB: failed to reserve VRAM\n"); + if (memblock_is_region_reserved(paddr, size)) { + pr_err("FB: failed to reserve VRAM - busy\n"); return; } - } else { - if (size > sdram_size) { - pr_err("Illegal SDRAM size for VRAM\n"); + + if (memblock_reserve(paddr, size) < 0) { + pr_err("FB: failed to reserve VRAM - no memory\n"); return; } - - paddr = virt_to_phys(alloc_bootmem_pages(size)); - BUG_ON(paddr & ~PAGE_MASK); + } else { + paddr = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_REAL_LIMIT); } omap_vram_add_region(paddr, size); diff --git a/include/linux/omapfb.h b/include/linux/omapfb.h index 9bdd91486b4..7e4cd616bcb 100644 --- a/include/linux/omapfb.h +++ b/include/linux/omapfb.h @@ -253,7 +253,7 @@ struct omapfb_platform_data { /* in arch/arm/plat-omap/fb.c */ extern void omapfb_set_platform_data(struct omapfb_platform_data *data); extern void omapfb_set_ctrl_platform_data(void *pdata); -extern void omapfb_reserve_sdram(void); +extern void omapfb_reserve_sdram_memblock(void); #endif |