diff options
| author | Koen Kooi <koen@openembedded.org> | 2009-07-30 11:19:10 +0200 |
|---|---|---|
| committer | Koen Kooi <koen@openembedded.org> | 2009-07-30 11:19:10 +0200 |
| commit | f2e6ca6bfa79d166ee72224bbb95ca1a71125d43 (patch) | |
| tree | b2facdc46191d38b9917a7d390c44f668f19183f /recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch | |
| parent | 0501fbe7b6f99eddc8ee9b0d3dab9ebac4722166 (diff) | |
linux-omap-pm git: add patch for fix musb oops and dss2 patches
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch b/recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch new file mode 100644 index 0000000000..d3d62ce7a2 --- /dev/null +++ b/recipes/linux/linux-omap-pm/dss2/0125-DSS2-VRAM-Add-function-to-get-free-vram-info.patch @@ -0,0 +1,76 @@ +From 0d16c11a3df3e09cb8ba20883174f600ac3611b5 Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Wed, 24 Jun 2009 14:55:54 +0300 +Subject: [PATCH 125/146] DSS2: VRAM: Add function to get free vram info + +Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> +--- + arch/arm/plat-omap/include/mach/vram.h | 2 + + arch/arm/plat-omap/vram.c | 38 ++++++++++++++++++++++++++++++++ + 2 files changed, 40 insertions(+), 0 deletions(-) + +diff --git a/arch/arm/plat-omap/include/mach/vram.h b/arch/arm/plat-omap/include/mach/vram.h +index 8639e08..494ddde 100644 +--- a/arch/arm/plat-omap/include/mach/vram.h ++++ b/arch/arm/plat-omap/include/mach/vram.h +@@ -28,6 +28,8 @@ extern int omap_vram_add_region(unsigned long paddr, size_t size); + extern int omap_vram_free(unsigned long paddr, size_t size); + extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr); + extern int omap_vram_reserve(unsigned long paddr, size_t size); ++extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, ++ unsigned long *largest_free_block); + extern void omap2_set_sdram_vram(u32 size, u32 start); + extern void omap2_set_sram_vram(u32 size, u32 start); + +diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c +index f3ce849..d4a8110 100644 +--- a/arch/arm/plat-omap/vram.c ++++ b/arch/arm/plat-omap/vram.c +@@ -398,6 +398,44 @@ int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr) + } + EXPORT_SYMBOL(omap_vram_alloc); + ++void omap_vram_get_info(unsigned long *vram, ++ unsigned long *free_vram, ++ unsigned long *largest_free_block) ++{ ++ struct vram_region *vr; ++ struct vram_alloc *va; ++ ++ *vram = 0; ++ *free_vram = 0; ++ *largest_free_block = 0; ++ ++ mutex_lock(®ion_mutex); ++ ++ list_for_each_entry(vr, ®ion_list, list) { ++ unsigned free; ++ unsigned long pa; ++ ++ pa = vr->paddr; ++ *vram += vr->pages << PAGE_SHIFT; ++ ++ list_for_each_entry(va, &vr->alloc_list, list) { ++ free = va->paddr - pa; ++ *free_vram += free; ++ if (free > *largest_free_block) ++ *largest_free_block = free; ++ pa = va->paddr + (va->pages << PAGE_SHIFT); ++ } ++ ++ free = vr->paddr + (vr->pages << PAGE_SHIFT) - pa; ++ *free_vram += free; ++ if (free > *largest_free_block) ++ *largest_free_block = free; ++ } ++ ++ mutex_unlock(®ion_mutex); ++} ++EXPORT_SYMBOL(omap_vram_get_info); ++ + #if defined(CONFIG_DEBUG_FS) + static int vram_debug_show(struct seq_file *s, void *unused) + { +-- +1.6.2.4 + |