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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/i915/intel_ringbuffer.c
parent192d47a64ea3f50387079e1f91276f9b683bee46 (diff)
downloadop-kernel-dev-9bcb144c83d4df12c8150352fa876aeff289e39c.zip
op-kernel-dev-9bcb144c83d4df12c8150352fa876aeff289e39c.tar.gz
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/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e0c7bf2..40a7aa4 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;
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