Nothing chipset or ring specific with it,
so also move it to radon_ring.

Signed-off-by: Christian K?nig <deathsimple at vodafone.de>
Reviewed-by: Jerome Glisse <jglisse at redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c   |   10 +---------
 drivers/gpu/drm/radeon/ni.c          |   11 +----------
 drivers/gpu/drm/radeon/r100.c        |   10 +---------
 drivers/gpu/drm/radeon/r300.c        |   10 +---------
 drivers/gpu/drm/radeon/r600.c        |   10 +---------
 drivers/gpu/drm/radeon/radeon.h      |    1 +
 drivers/gpu/drm/radeon/radeon_ring.c |   16 ++++++++++++++++
 drivers/gpu/drm/radeon/si.c          |   11 +----------
 8 files changed, 23 insertions(+), 56 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c 
b/drivers/gpu/drm/radeon/evergreen.c
index 66f05bb..ecc29bc 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2424,7 +2424,6 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *rin
        u32 srbm_status;
        u32 grbm_status;
        u32 grbm_status_se0, grbm_status_se1;
-       int r;

        srbm_status = RREG32(SRBM_STATUS);
        grbm_status = RREG32(GRBM_STATUS);
@@ -2435,14 +2434,7 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *rin
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       ring->rptr = RREG32(CP_RB_RPTR);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 8404b2a..1184635 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1397,7 +1397,6 @@ bool cayman_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
        u32 srbm_status;
        u32 grbm_status;
        u32 grbm_status_se0, grbm_status_se1;
-       int r;

        srbm_status = RREG32(SRBM_STATUS);
        grbm_status = RREG32(GRBM_STATUS);
@@ -1408,15 +1407,7 @@ bool cayman_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       /* XXX deal with CP0,1,2 */
-       ring->rptr = RREG32(ring->rptr_reg);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index ccf5e3b..42d60ab 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2162,7 +2162,6 @@ int r100_mc_wait_for_idle(struct radeon_device *rdev)
 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
 {
        u32 rbbm_status;
-       int r;

        rbbm_status = RREG32(R_000E40_RBBM_STATUS);
        if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
@@ -2170,14 +2169,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       ring->rptr = RREG32(ring->rptr_reg);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index e207664..04ec269 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -380,7 +380,6 @@ void r300_gpu_init(struct radeon_device *rdev)
 bool r300_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
 {
        u32 rbbm_status;
-       int r;

        rbbm_status = RREG32(R_000E40_RBBM_STATUS);
        if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
@@ -388,14 +387,7 @@ bool r300_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       ring->rptr = RREG32(RADEON_CP_RB_RPTR);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 45d52cc..87a2333 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1350,7 +1350,6 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
        u32 srbm_status;
        u32 grbm_status;
        u32 grbm_status2;
-       int r;

        srbm_status = RREG32(R_000E50_SRBM_STATUS);
        grbm_status = RREG32(R_008010_GRBM_STATUS);
@@ -1360,14 +1359,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       ring->rptr = RREG32(ring->rptr_reg);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 0784e4d..82ffa6a 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -817,6 +817,7 @@ void radeon_ring_commit(struct radeon_device *rdev, struct 
radeon_ring *cp);
 void radeon_ring_unlock_commit(struct radeon_device *rdev, struct radeon_ring 
*cp);
 void radeon_ring_unlock_undo(struct radeon_device *rdev, struct radeon_ring 
*cp);
 int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
+void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring 
*ring);
 void radeon_ring_lockup_update(struct radeon_ring *ring);
 bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring 
*ring);
 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *cp, 
unsigned ring_size,
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c 
b/drivers/gpu/drm/radeon/radeon_ring.c
index 407d90a..2eb4c6e 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -398,6 +398,22 @@ void radeon_ring_unlock_undo(struct radeon_device *rdev, 
struct radeon_ring *rin
        mutex_unlock(&ring->mutex);
 }

+void radeon_ring_force_activity(struct radeon_device *rdev, struct radeon_ring 
*ring)
+{
+       int r;
+
+       mutex_lock(&ring->mutex);
+       radeon_ring_free_size(rdev, ring);
+       if (ring->rptr == ring->wptr) {
+               r = radeon_ring_alloc(rdev, ring, 1);
+               if (!r) {
+                       radeon_ring_write(ring, ring->nop);
+                       radeon_ring_commit(rdev, ring);
+               }
+       }
+       mutex_unlock(&ring->mutex);
+}
+
 void radeon_ring_lockup_update(struct radeon_ring *ring)
 {
        ring->last_rptr = ring->rptr;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index c2422f5..0bad5ff 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -2217,7 +2217,6 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
        u32 srbm_status;
        u32 grbm_status, grbm_status2;
        u32 grbm_status_se0, grbm_status_se1;
-       int r;

        srbm_status = RREG32(SRBM_STATUS);
        grbm_status = RREG32(GRBM_STATUS);
@@ -2229,15 +2228,7 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
                return false;
        }
        /* force CP activities */
-       r = radeon_ring_lock(rdev, ring, 2);
-       if (!r) {
-               /* PACKET2 NOP */
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_write(ring, 0x80000000);
-               radeon_ring_unlock_commit(rdev, ring);
-       }
-       /* XXX deal with CP0,1,2 */
-       ring->rptr = RREG32(ring->rptr_reg);
+       radeon_ring_force_activity(rdev, ring);
        return radeon_ring_test_lockup(rdev, ring);
 }

-- 
1.7.5.4

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