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-rw-r--r--drivers/gpu/drm/radeon/evergreen.c10
-rw-r--r--drivers/gpu/drm/radeon/ni.c13
-rw-r--r--drivers/gpu/drm/radeon/r600.c20
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_ring.c4
-rw-r--r--drivers/gpu/drm/radeon/rv770.c4
-rw-r--r--drivers/gpu/drm/radeon/si.c24
7 files changed, 68 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f39b900d46f..4b8e5c5fcf8 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1368,7 +1368,15 @@ void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
/* set to DX10/11 mode */
radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
radeon_ring_write(ring, 1);
- /* FIXME: implement */
+
+ if (ring->rptr_save_reg) {
+ uint32_t next_rptr = ring->wptr + 3 + 4;
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((ring->rptr_save_reg -
+ PACKET3_SET_CONFIG_REG_START) >> 2));
+ radeon_ring_write(ring, next_rptr);
+ }
+
radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index f2afefb44b7..ddfef8cdd83 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -855,6 +855,15 @@ void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
/* set to DX10/11 mode */
radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
radeon_ring_write(ring, 1);
+
+ if (ring->rptr_save_reg) {
+ uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((ring->rptr_save_reg -
+ PACKET3_SET_CONFIG_REG_START) >> 2));
+ radeon_ring_write(ring, next_rptr);
+ }
+
radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
@@ -981,8 +990,10 @@ static int cayman_cp_start(struct radeon_device *rdev)
static void cayman_cp_fini(struct radeon_device *rdev)
{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
cayman_cp_enable(rdev, false);
- radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
}
int cayman_cp_resume(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c808fa976d2..3156d251b3c 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2155,18 +2155,27 @@ int r600_cp_resume(struct radeon_device *rdev)
void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
{
u32 rb_bufsz;
+ int r;
/* Align ring size */
rb_bufsz = drm_order(ring_size / 8);
ring_size = (1 << (rb_bufsz + 1)) * 4;
ring->ring_size = ring_size;
ring->align_mask = 16 - 1;
+
+ r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
+ if (r) {
+ DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
+ ring->rptr_save_reg = 0;
+ }
}
void r600_cp_fini(struct radeon_device *rdev)
{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r600_cp_stop(rdev);
- radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
}
@@ -2568,7 +2577,14 @@ void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
- /* FIXME: implement */
+ if (ring->rptr_save_reg) {
+ uint32_t next_rptr = ring->wptr + 3 + 4;
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((ring->rptr_save_reg -
+ PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
+ radeon_ring_write(ring, next_rptr);
+ }
+
radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
radeon_ring_write(ring,
#ifdef __BIG_ENDIAN
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 872270c9a0d..64d39adaad9 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -622,6 +622,7 @@ struct radeon_ring {
unsigned rptr;
unsigned rptr_offs;
unsigned rptr_reg;
+ unsigned rptr_save_reg;
unsigned wptr;
unsigned wptr_old;
unsigned wptr_reg;
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 087383408a8..ce8eb9d5af5 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -451,6 +451,10 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
count = (ring->ring_size / 4) - ring->ring_free_dw;
seq_printf(m, "wptr(0x%04x): 0x%08x\n", ring->wptr_reg, RREG32(ring->wptr_reg));
seq_printf(m, "rptr(0x%04x): 0x%08x\n", ring->rptr_reg, RREG32(ring->rptr_reg));
+ if (ring->rptr_save_reg) {
+ seq_printf(m, "rptr next(0x%04x): 0x%08x\n", ring->rptr_save_reg,
+ RREG32(ring->rptr_save_reg));
+ }
seq_printf(m, "driver's copy of the wptr: 0x%08x\n", ring->wptr);
seq_printf(m, "driver's copy of the rptr: 0x%08x\n", ring->rptr);
seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b4b1256fb15..eb4704e72bd 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -358,8 +358,10 @@ static int rv770_cp_load_microcode(struct radeon_device *rdev)
void r700_cp_fini(struct radeon_device *rdev)
{
+ struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
r700_cp_stop(rdev);
- radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
}
/*
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index f61b550f9ef..53e313b0575 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -1765,6 +1765,14 @@ void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
struct radeon_ring *ring = &rdev->ring[ib->ring];
u32 header;
+ if (ring->rptr_save_reg) {
+ uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
+ radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+ radeon_ring_write(ring, ((ring->rptr_save_reg -
+ PACKET3_SET_CONFIG_REG_START) >> 2));
+ radeon_ring_write(ring, next_rptr);
+ }
+
if (ib->is_const_ib)
header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
else
@@ -1917,10 +1925,20 @@ static int si_cp_start(struct radeon_device *rdev)
static void si_cp_fini(struct radeon_device *rdev)
{
+ struct radeon_ring *ring;
si_cp_enable(rdev, false);
- radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
- radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
- radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
+
+ ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
+
+ ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
+
+ ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
+ radeon_ring_fini(rdev, ring);
+ radeon_scratch_free(rdev, ring->rptr_save_reg);
}
static int si_cp_resume(struct radeon_device *rdev)