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authorBen Widawsky <benjamin.widawsky@intel.com>2014-04-28 19:29:25 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-05-05 16:01:58 +0200
commit9bcb144c83d4df12c8150352fa876aeff289e39c (patch)
treeda8a9e0208c9b32704cad6eeb76e844cb8e24e01 /drivers/gpu/drm
parent192d47a64ea3f50387079e1f91276f9b683bee46 (diff)
drm/i915: Support 64b execbuf
Previously, our code only had a 32b offset value for where the batchbuffer starts. With full PPGTT, and 64b canonical GPU address space, that is an insufficient value. The code to expand is pretty straight forward, and only one platform needs to do anything with the extra bits. Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Rafael Barbalho <rafael.barbalho@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c2
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c16
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h2
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 6cc004f5d017..3c4e77024dcd 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1049,7 +1049,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct i915_hw_context *ctx;
struct i915_address_space *vm;
const u32 ctx_id = i915_execbuffer2_get_context_id(*args);
- u32 exec_start = args->batch_start_offset, exec_len;
+ u64 exec_start = args->batch_start_offset, exec_len;
u32 mask, flags;
int ret, mode, i;
bool need_relocs;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e0c7bf27eafd..40a7aa4db589 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1210,7 +1210,7 @@ gen8_ring_put_irq(struct intel_ring_buffer *ring)
static int
i965_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 length,
+ u64 offset, u32 length,
unsigned flags)
{
int ret;
@@ -1233,7 +1233,7 @@ i965_dispatch_execbuffer(struct intel_ring_buffer *ring,
#define I830_BATCH_LIMIT (256*1024)
static int
i830_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 len,
+ u64 offset, u32 len,
unsigned flags)
{
int ret;
@@ -1284,7 +1284,7 @@ i830_dispatch_execbuffer(struct intel_ring_buffer *ring,
static int
i915_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 len,
+ u64 offset, u32 len,
unsigned flags)
{
int ret;
@@ -1797,7 +1797,7 @@ static int gen6_bsd_ring_flush(struct intel_ring_buffer *ring,
static int
gen8_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 len,
+ u64 offset, u32 len,
unsigned flags)
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
@@ -1811,8 +1811,8 @@ gen8_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
/* FIXME(BDW): Address space and security selectors. */
intel_ring_emit(ring, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8));
- intel_ring_emit(ring, offset);
- intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, lower_32_bits(offset));
+ intel_ring_emit(ring, upper_32_bits(offset));
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
@@ -1821,7 +1821,7 @@ gen8_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
static int
hsw_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 len,
+ u64 offset, u32 len,
unsigned flags)
{
int ret;
@@ -1842,7 +1842,7 @@ hsw_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
static int
gen6_ring_dispatch_execbuffer(struct intel_ring_buffer *ring,
- u32 offset, u32 len,
+ u64 offset, u32 len,
unsigned flags)
{
int ret;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 0fdf0300c2a3..72c3c15f6240 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -112,7 +112,7 @@ struct intel_ring_buffer {
void (*set_seqno)(struct intel_ring_buffer *ring,
u32 seqno);
int (*dispatch_execbuffer)(struct intel_ring_buffer *ring,
- u32 offset, u32 length,
+ u64 offset, u32 length,
unsigned flags);
#define I915_DISPATCH_SECURE 0x1
#define I915_DISPATCH_PINNED 0x2