On Tue, Mar 18, 2014 at 10:15:56AM +0100, Daniel Vetter wrote:
> On Mon, Mar 17, 2014 at 10:48:41PM -0700, Ben Widawsky wrote:
> > TODO: Do header files need a copyright?
>
> Yup ;-)
>
> I like this though, especially since finer-grained files will make
> kerneldoc inclusion (well, grouped into sensible chapters at least) much
> simpler.
> -Daniel
>
If I re-submit just this patch (with the copyright), will you merge it?
It will make my life so much easier.
> >
> > Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/i915_drv.h | 162 +-------------------------
> > drivers/gpu/drm/i915/i915_gem_gtt.c | 57 ---------
> > drivers/gpu/drm/i915/i915_gem_gtt.h | 225 ++++++++++++++++++++++++++++++++++++
> > 3 files changed, 227 insertions(+), 217 deletions(-)
> > create mode 100644 drivers/gpu/drm/i915/i915_gem_gtt.h
> >
> > diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> > index 084e82f..b19442c 100644
> > --- a/drivers/gpu/drm/i915/i915_drv.h
> > +++ b/drivers/gpu/drm/i915/i915_drv.h
> > @@ -44,6 +44,8 @@
> > #include <linux/kref.h>
> > #include <linux/pm_qos.h>
> >
> > +#include "i915_gem_gtt.h"
> > +
> > /* General customization:
> > */
> >
> > @@ -572,166 +574,6 @@ enum i915_cache_level {
> > I915_CACHE_WT, /* hsw:gt3e WriteThrough for scanouts */
> > };
> >
> > -typedef uint32_t gen6_gtt_pte_t;
> > -
> > -/**
> > - * A VMA represents a GEM BO that is bound into an address space. Therefore, a
> > - * VMA's presence cannot be guaranteed before binding, or after unbinding the
> > - * object into/from the address space.
> > - *
> > - * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
> > - * will always be <= an objects lifetime. So object refcounting should cover us.
> > - */
> > -struct i915_vma {
> > - struct drm_mm_node node;
> > - struct drm_i915_gem_object *obj;
> > - struct i915_address_space *vm;
> > -
> > - /** This object's place on the active/inactive lists */
> > - struct list_head mm_list;
> > -
> > - struct list_head vma_link; /* Link in the object's VMA list */
> > -
> > - /** This vma's place in the batchbuffer or on the eviction list */
> > - struct list_head exec_list;
> > -
> > - /**
> > - * Used for performing relocations during execbuffer insertion.
> > - */
> > - struct hlist_node exec_node;
> > - unsigned long exec_handle;
> > - struct drm_i915_gem_exec_object2 *exec_entry;
> > -
> > - /**
> > - * How many users have pinned this object in GTT space. The following
> > - * users can each hold at most one reference: pwrite/pread, pin_ioctl
> > - * (via user_pin_count), execbuffer (objects are not allowed multiple
> > - * times for the same batchbuffer), and the framebuffer code. When
> > - * switching/pageflipping, the framebuffer code has at most two buffers
> > - * pinned per crtc.
> > - *
> > - * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
> > - * bits with absolutely no headroom. So use 4 bits. */
> > - unsigned int pin_count:4;
> > -#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
> > -
> > - /** Unmap an object from an address space. This usually consists of
> > - * setting the valid PTE entries to a reserved scratch page. */
> > - void (*unbind_vma)(struct i915_vma *vma);
> > - /* Map an object into an address space with the given cache flags. */
> > -#define GLOBAL_BIND (1<<0)
> > - void (*bind_vma)(struct i915_vma *vma,
> > - enum i915_cache_level cache_level,
> > - u32 flags);
> > -};
> > -
> > -struct i915_address_space {
> > - struct drm_mm mm;
> > - struct drm_device *dev;
> > - struct list_head global_link;
> > - unsigned long start; /* Start offset always 0 for dri2 */
> > - size_t total; /* size addr space maps (ex. 2GB for ggtt) */
> > -
> > - struct {
> > - dma_addr_t addr;
> > - struct page *page;
> > - } scratch;
> > -
> > - /**
> > - * List of objects currently involved in rendering.
> > - *
> > - * Includes buffers having the contents of their GPU caches
> > - * flushed, not necessarily primitives. last_rendering_seqno
> > - * represents when the rendering involved will be completed.
> > - *
> > - * A reference is held on the buffer while on this list.
> > - */
> > - struct list_head active_list;
> > -
> > - /**
> > - * LRU list of objects which are not in the ringbuffer and
> > - * are ready to unbind, but are still in the GTT.
> > - *
> > - * last_rendering_seqno is 0 while an object is in this list.
> > - *
> > - * A reference is not held on the buffer while on this list,
> > - * as merely being GTT-bound shouldn't prevent its being
> > - * freed, and we'll pull it off the list in the free path.
> > - */
> > - struct list_head inactive_list;
> > -
> > - /* FIXME: Need a more generic return type */
> > - gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
> > - enum i915_cache_level level,
> > - bool valid); /* Create a valid PTE */
> > - void (*clear_range)(struct i915_address_space *vm,
> > - uint64_t start,
> > - uint64_t length,
> > - bool use_scratch);
> > - void (*insert_entries)(struct i915_address_space *vm,
> > - struct sg_table *st,
> > - uint64_t start,
> > - enum i915_cache_level cache_level);
> > - void (*cleanup)(struct i915_address_space *vm);
> > -};
> > -
> > -/* The Graphics Translation Table is the way in which GEN hardware translates a
> > - * Graphics Virtual Address into a Physical Address. In addition to the normal
> > - * collateral associated with any va->pa translations GEN hardware also has a
> > - * portion of the GTT which can be mapped by the CPU and remain both coherent
> > - * and correct (in cases like swizzling). That region is referred to as GMADR in
> > - * the spec.
> > - */
> > -struct i915_gtt {
> > - struct i915_address_space base;
> > - size_t stolen_size; /* Total size of stolen memory */
> > -
> > - unsigned long mappable_end; /* End offset that we can CPU map */
> > - struct io_mapping *mappable; /* Mapping to our CPU mappable region */
> > - phys_addr_t mappable_base; /* PA of our GMADR */
> > -
> > - /** "Graphics Stolen Memory" holds the global PTEs */
> > - void __iomem *gsm;
> > -
> > - bool do_idle_maps;
> > -
> > - int mtrr;
> > -
> > - /* global gtt ops */
> > - int (*gtt_probe)(struct drm_device *dev, size_t *gtt_total,
> > - size_t *stolen, phys_addr_t *mappable_base,
> > - unsigned long *mappable_end);
> > -};
> > -#define gtt_total_entries(gtt) ((gtt).base.total >> PAGE_SHIFT)
> > -
> > -#define GEN8_LEGACY_PDPS 4
> > -struct i915_hw_ppgtt {
> > - struct i915_address_space base;
> > - struct kref ref;
> > - struct drm_mm_node node;
> > - unsigned num_pd_entries;
> > - unsigned num_pd_pages; /* gen8+ */
> > - union {
> > - struct page **pt_pages;
> > - struct page **gen8_pt_pages[GEN8_LEGACY_PDPS];
> > - };
> > - struct page *pd_pages;
> > - union {
> > - uint32_t pd_offset;
> > - dma_addr_t pd_dma_addr[GEN8_LEGACY_PDPS];
> > - };
> > - union {
> > - dma_addr_t *pt_dma_addr;
> > - dma_addr_t *gen8_pt_dma_addr[GEN8_LEGACY_PDPS];
> > - };
> > -
> > - int (*enable)(struct i915_hw_ppgtt *ppgtt);
> > - int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
> > - struct intel_ring_buffer *ring,
> > - bool synchronous);
> > - void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
> > -};
> > -
> > struct i915_ctx_hang_stats {
> > /* This context had batch pending when hang was declared */
> > unsigned batch_pending;
> > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > index 5f73284..a239196 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> > @@ -53,60 +53,6 @@ bool intel_enable_ppgtt(struct drm_device *dev, bool full)
> > return HAS_ALIASING_PPGTT(dev);
> > }
> >
> > -#define GEN6_PPGTT_PD_ENTRIES 512
> > -#define I915_PPGTT_PT_ENTRIES (PAGE_SIZE / sizeof(gen6_gtt_pte_t))
> > -typedef uint64_t gen8_gtt_pte_t;
> > -typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
> > -
> > -/* PPGTT stuff */
> > -#define GEN6_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0xff0))
> > -#define HSW_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0x7f0))
> > -
> > -#define GEN6_PDE_VALID (1 << 0)
> > -/* gen6+ has bit 11-4 for physical addr bit 39-32 */
> > -#define GEN6_PDE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
> > -
> > -#define GEN6_PTE_VALID (1 << 0)
> > -#define GEN6_PTE_UNCACHED (1 << 1)
> > -#define HSW_PTE_UNCACHED (0)
> > -#define GEN6_PTE_CACHE_LLC (2 << 1)
> > -#define GEN7_PTE_CACHE_L3_LLC (3 << 1)
> > -#define GEN6_PTE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
> > -#define HSW_PTE_ADDR_ENCODE(addr) HSW_GTT_ADDR_ENCODE(addr)
> > -
> > -/* Cacheability Control is a 4-bit value. The low three bits are stored in *
> > - * bits 3:1 of the PTE, while the fourth bit is stored in bit 11 of the PTE.
> > - */
> > -#define HSW_CACHEABILITY_CONTROL(bits) ((((bits) & 0x7) << 1) | \
> > - (((bits) & 0x8) << (11 - 3)))
> > -#define HSW_WB_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x2)
> > -#define HSW_WB_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x3)
> > -#define HSW_WB_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0xb)
> > -#define HSW_WB_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x8)
> > -#define HSW_WT_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x6)
> > -#define HSW_WT_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x7)
> > -
> > -#define GEN8_PTES_PER_PAGE (PAGE_SIZE / sizeof(gen8_gtt_pte_t))
> > -#define GEN8_PDES_PER_PAGE (PAGE_SIZE / sizeof(gen8_ppgtt_pde_t))
> > -
> > -/* GEN8 legacy style addressis defined as a 3 level page table:
> > - * 31:30 | 29:21 | 20:12 | 11:0
> > - * PDPE | PDE | PTE | offset
> > - * The difference as compared to normal x86 3 level page table is the PDPEs are
> > - * programmed via register.
> > - */
> > -#define GEN8_PDPE_SHIFT 30
> > -#define GEN8_PDPE_MASK 0x3
> > -#define GEN8_PDE_SHIFT 21
> > -#define GEN8_PDE_MASK 0x1ff
> > -#define GEN8_PTE_SHIFT 12
> > -#define GEN8_PTE_MASK 0x1ff
> > -
> > -#define PPAT_UNCACHED_INDEX (_PAGE_PWT | _PAGE_PCD)
> > -#define PPAT_CACHED_PDE_INDEX 0 /* WB LLC */
> > -#define PPAT_CACHED_INDEX _PAGE_PAT /* WB LLCeLLC */
> > -#define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */
> > -
> > static void ppgtt_bind_vma(struct i915_vma *vma,
> > enum i915_cache_level cache_level,
> > u32 flags);
> > @@ -185,9 +131,6 @@ static gen6_gtt_pte_t ivb_pte_encode(dma_addr_t addr,
> > return pte;
> > }
> >
> > -#define BYT_PTE_WRITEABLE (1 << 1)
> > -#define BYT_PTE_SNOOPED_BY_CPU_CACHES (1 << 2)
> > -
> > static gen6_gtt_pte_t byt_pte_encode(dma_addr_t addr,
> > enum i915_cache_level level,
> > bool valid)
> > diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
> > new file mode 100644
> > index 0000000..c8d5c77
> > --- /dev/null
> > +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
> > @@ -0,0 +1,225 @@
> > +#ifndef _I915_GEM_GTT_H
> > +#define _I915_GEM_GTT_H
> > +
> > +#define GEN6_PPGTT_PD_ENTRIES 512
> > +#define I915_PPGTT_PT_ENTRIES (PAGE_SIZE / sizeof(gen6_gtt_pte_t))
> > +typedef uint32_t gen6_gtt_pte_t;
> > +typedef uint64_t gen8_gtt_pte_t;
> > +typedef gen8_gtt_pte_t gen8_ppgtt_pde_t;
> > +
> > +/* PPGTT stuff */
> > +#define GEN6_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0xff0))
> > +#define HSW_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0x7f0))
> > +
> > +#define GEN6_PDE_VALID (1 << 0)
> > +/* gen6+ has bit 11-4 for physical addr bit 39-32 */
> > +#define GEN6_PDE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
> > +
> > +#define GEN6_PTE_VALID (1 << 0)
> > +#define GEN6_PTE_UNCACHED (1 << 1)
> > +#define HSW_PTE_UNCACHED (0)
> > +#define GEN6_PTE_CACHE_LLC (2 << 1)
> > +#define GEN7_PTE_CACHE_L3_LLC (3 << 1)
> > +#define GEN6_PTE_ADDR_ENCODE(addr) GEN6_GTT_ADDR_ENCODE(addr)
> > +#define HSW_PTE_ADDR_ENCODE(addr) HSW_GTT_ADDR_ENCODE(addr)
> > +
> > +#define BYT_PTE_WRITEABLE (1 << 1)
> > +#define BYT_PTE_SNOOPED_BY_CPU_CACHES (1 << 2)
> > +
> > +/* Cacheability Control is a 4-bit value. The low three bits are stored in *
> > + * bits 3:1 of the PTE, while the fourth bit is stored in bit 11 of the PTE.
> > + */
> > +#define HSW_CACHEABILITY_CONTROL(bits) ((((bits) & 0x7) << 1) | \
> > + (((bits) & 0x8) << (11 - 3)))
> > +#define HSW_WB_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x2)
> > +#define HSW_WB_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x3)
> > +#define HSW_WB_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0xb)
> > +#define HSW_WB_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x8)
> > +#define HSW_WT_ELLC_LLC_AGE0 HSW_CACHEABILITY_CONTROL(0x6)
> > +#define HSW_WT_ELLC_LLC_AGE3 HSW_CACHEABILITY_CONTROL(0x7)
> > +
> > +#define PPAT_UNCACHED_INDEX (_PAGE_PWT | _PAGE_PCD)
> > +#define PPAT_CACHED_PDE_INDEX 0 /* WB LLC */
> > +#define PPAT_CACHED_INDEX _PAGE_PAT /* WB LLCeLLC */
> > +#define PPAT_DISPLAY_ELLC_INDEX _PAGE_PCD /* WT eLLC */
> > +
> > +#define GEN8_LEGACY_PDPS 4
> > +#define GEN8_PTES_PER_PAGE (PAGE_SIZE / sizeof(gen8_gtt_pte_t))
> > +#define GEN8_PDES_PER_PAGE (PAGE_SIZE / sizeof(gen8_ppgtt_pde_t))
> > +
> > +/* GEN8 legacy style addressis defined as a 3 level page table:
> > + * 31:30 | 29:21 | 20:12 | 11:0
> > + * PDPE | PDE | PTE | offset
> > + * The difference as compared to normal x86 3 level page table is the PDPEs are
> > + * programmed via register.
> > + *
> > + * The x86 pagetable code is flexible in its ability to handle varying page
> > + * table depths via abstracted PGDIR/PUD/PMD/PTE. I've opted to not do this and
> > + * instead replicate the interesting functionality.
> > + */
> > +#define GEN8_PDPE_SHIFT 30
> > +#define GEN8_PDPE_MASK 0x3
> > +#define GEN8_PDE_SHIFT 21
> > +#define GEN8_PDE_MASK 0x1ff
> > +#define GEN8_PTE_SHIFT 12
> > +#define GEN8_PTE_MASK 0x1ff
> > +
> > +enum i915_cache_level;
> > +/**
> > + * A VMA represents a GEM BO that is bound into an address space. Therefore, a
> > + * VMA's presence cannot be guaranteed before binding, or after unbinding the
> > + * object into/from the address space.
> > + *
> > + * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
> > + * will always be <= an objects lifetime. So object refcounting should cover us.
> > + */
> > +struct i915_vma {
> > + struct drm_mm_node node;
> > + struct drm_i915_gem_object *obj;
> > + struct i915_address_space *vm;
> > +
> > + /** This object's place on the active/inactive lists */
> > + struct list_head mm_list;
> > +
> > + struct list_head vma_link; /* Link in the object's VMA list */
> > +
> > + /** This vma's place in the batchbuffer or on the eviction list */
> > + struct list_head exec_list;
> > +
> > + /**
> > + * Used for performing relocations during execbuffer insertion.
> > + */
> > + struct hlist_node exec_node;
> > + unsigned long exec_handle;
> > + struct drm_i915_gem_exec_object2 *exec_entry;
> > +
> > + /**
> > + * How many users have pinned this object in GTT space. The following
> > + * users can each hold at most one reference: pwrite/pread, pin_ioctl
> > + * (via user_pin_count), execbuffer (objects are not allowed multiple
> > + * times for the same batchbuffer), and the framebuffer code. When
> > + * switching/pageflipping, the framebuffer code has at most two buffers
> > + * pinned per crtc.
> > + *
> > + * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
> > + * bits with absolutely no headroom. So use 4 bits. */
> > + unsigned int pin_count:4;
> > +#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
> > +
> > + /** Unmap an object from an address space. This usually consists of
> > + * setting the valid PTE entries to a reserved scratch page. */
> > + void (*unbind_vma)(struct i915_vma *vma);
> > + /* Map an object into an address space with the given cache flags. */
> > +#define GLOBAL_BIND (1<<0)
> > + void (*bind_vma)(struct i915_vma *vma,
> > + enum i915_cache_level cache_level,
> > + u32 flags);
> > +};
> > +
> > +struct i915_address_space {
> > + struct drm_mm mm;
> > + struct drm_device *dev;
> > + struct list_head global_link;
> > + unsigned long start; /* Start offset always 0 for dri2 */
> > + size_t total; /* size addr space maps (ex. 2GB for ggtt) */
> > +
> > + struct {
> > + dma_addr_t addr;
> > + struct page *page;
> > + } scratch;
> > +
> > + /**
> > + * List of objects currently involved in rendering.
> > + *
> > + * Includes buffers having the contents of their GPU caches
> > + * flushed, not necessarily primitives. last_rendering_seqno
> > + * represents when the rendering involved will be completed.
> > + *
> > + * A reference is held on the buffer while on this list.
> > + */
> > + struct list_head active_list;
> > +
> > + /**
> > + * LRU list of objects which are not in the ringbuffer and
> > + * are ready to unbind, but are still in the GTT.
> > + *
> > + * last_rendering_seqno is 0 while an object is in this list.
> > + *
> > + * A reference is not held on the buffer while on this list,
> > + * as merely being GTT-bound shouldn't prevent its being
> > + * freed, and we'll pull it off the list in the free path.
> > + */
> > + struct list_head inactive_list;
> > +
> > + /* FIXME: Need a more generic return type */
> > + gen6_gtt_pte_t (*pte_encode)(dma_addr_t addr,
> > + enum i915_cache_level level,
> > + bool valid); /* Create a valid PTE */
> > + void (*clear_range)(struct i915_address_space *vm,
> > + uint64_t start,
> > + uint64_t length,
> > + bool use_scratch);
> > + void (*insert_entries)(struct i915_address_space *vm,
> > + struct sg_table *st,
> > + uint64_t start,
> > + enum i915_cache_level cache_level);
> > + void (*cleanup)(struct i915_address_space *vm);
> > +};
> > +
> > +/* The Graphics Translation Table is the way in which GEN hardware translates a
> > + * Graphics Virtual Address into a Physical Address. In addition to the normal
> > + * collateral associated with any va->pa translations GEN hardware also has a
> > + * portion of the GTT which can be mapped by the CPU and remain both coherent
> > + * and correct (in cases like swizzling). That region is referred to as GMADR in
> > + * the spec.
> > + */
> > +struct i915_gtt {
> > + struct i915_address_space base;
> > + size_t stolen_size; /* Total size of stolen memory */
> > +
> > + unsigned long mappable_end; /* End offset that we can CPU map */
> > + struct io_mapping *mappable; /* Mapping to our CPU mappable region */
> > + phys_addr_t mappable_base; /* PA of our GMADR */
> > +
> > + /** "Graphics Stolen Memory" holds the global PTEs */
> > + void __iomem *gsm;
> > +
> > + bool do_idle_maps;
> > +
> > + int mtrr;
> > +
> > + /* global gtt ops */
> > + int (*gtt_probe)(struct drm_device *dev, size_t *gtt_total,
> > + size_t *stolen, phys_addr_t *mappable_base,
> > + unsigned long *mappable_end);
> > +};
> > +#define gtt_total_entries(gtt) ((gtt).base.total >> PAGE_SHIFT)
> > +
> > +struct i915_hw_ppgtt {
> > + struct i915_address_space base;
> > + struct kref ref;
> > + struct drm_mm_node node;
> > + unsigned num_pd_entries;
> > + unsigned num_pd_pages; /* gen8+ */
> > + union {
> > + struct page **pt_pages;
> > + struct page **gen8_pt_pages[GEN8_LEGACY_PDPS];
> > + };
> > + struct page *pd_pages;
> > + union {
> > + uint32_t pd_offset;
> > + dma_addr_t pd_dma_addr[GEN8_LEGACY_PDPS];
> > + };
> > + union {
> > + dma_addr_t *pt_dma_addr;
> > + dma_addr_t *gen8_pt_dma_addr[GEN8_LEGACY_PDPS];
> > + };
> > +
> > + int (*enable)(struct i915_hw_ppgtt *ppgtt);
> > + int (*switch_mm)(struct i915_hw_ppgtt *ppgtt,
> > + struct intel_ring_buffer *ring,
> > + bool synchronous);
> > + void (*debug_dump)(struct i915_hw_ppgtt *ppgtt, struct seq_file *m);
> > +};
> > +
> > +#endif
> > --
> > 1.9.0
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
> _______________________________________________
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Ben Widawsky, Intel Open Source Technology Center
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