It isn't chipset specific, so it makes no sense
to have that inside r100.c.

Signed-off-by: Christian K?nig <deathsimple at vodafone.de>
Reviewed-by: Jerome Glisse <jglisse at redhat.com>
---
 drivers/gpu/drm/radeon/evergreen.c   |    5 +--
 drivers/gpu/drm/radeon/ni.c          |    5 +--
 drivers/gpu/drm/radeon/r100.c        |   57 +--------------------------------
 drivers/gpu/drm/radeon/r300.c        |    4 +-
 drivers/gpu/drm/radeon/r600.c        |   10 +-----
 drivers/gpu/drm/radeon/radeon.h      |   16 ++-------
 drivers/gpu/drm/radeon/radeon_asic.h |    5 ---
 drivers/gpu/drm/radeon/radeon_ring.c |   53 +++++++++++++++++++++++++++++++
 drivers/gpu/drm/radeon/si.c          |    5 +--
 9 files changed, 69 insertions(+), 91 deletions(-)

diff --git a/drivers/gpu/drm/radeon/evergreen.c 
b/drivers/gpu/drm/radeon/evergreen.c
index 8b7a01b..66f05bb 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;
-       struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup;
        int r;

        srbm_status = RREG32(SRBM_STATUS);
@@ -2432,7 +2431,7 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *rin
        grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
        grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
        if (!(grbm_status & GUI_ACTIVE)) {
-               r100_gpu_lockup_update(lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -2444,7 +2443,7 @@ bool evergreen_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *rin
                radeon_ring_unlock_commit(rdev, ring);
        }
        ring->rptr = RREG32(CP_RB_RPTR);
-       return r100_gpu_cp_is_lockup(rdev, lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 0146428..8404b2a 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;
-       struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup;
        int r;

        srbm_status = RREG32(SRBM_STATUS);
@@ -1405,7 +1404,7 @@ bool cayman_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
        grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
        grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
        if (!(grbm_status & GUI_ACTIVE)) {
-               r100_gpu_lockup_update(lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -1418,7 +1417,7 @@ bool cayman_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
        }
        /* XXX deal with CP0,1,2 */
        ring->rptr = RREG32(ring->rptr_reg);
-       return r100_gpu_cp_is_lockup(rdev, lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 static int cayman_gpu_soft_reset(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 825f117..ccf5e3b 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2159,59 +2159,6 @@ int r100_mc_wait_for_idle(struct radeon_device *rdev)
        return -1;
 }

-void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup, struct radeon_ring 
*ring)
-{
-       lockup->last_cp_rptr = ring->rptr;
-       lockup->last_jiffies = jiffies;
-}
-
-/**
- * r100_gpu_cp_is_lockup() - check if CP is lockup by recording information
- * @rdev:      radeon device structure
- * @lockup:    r100_gpu_lockup structure holding CP lockup tracking 
informations
- * @cp:                radeon_cp structure holding CP information
- *
- * We don't need to initialize the lockup tracking information as we will 
either
- * have CP rptr to a different value of jiffies wrap around which will force
- * initialization of the lockup tracking informations.
- *
- * A possible false positivie is if we get call after while and last_cp_rptr ==
- * the current CP rptr, even if it's unlikely it might happen. To avoid this
- * if the elapsed time since last call is bigger than 2 second than we return
- * false and update the tracking information. Due to this the caller must call
- * r100_gpu_cp_is_lockup several time in less than 2sec for lockup to be 
reported
- * the fencing code should be cautious about that.
- *
- * Caller should write to the ring to force CP to do something so we don't get
- * false positive when CP is just gived nothing to do.
- *
- **/
-bool r100_gpu_cp_is_lockup(struct radeon_device *rdev, struct r100_gpu_lockup 
*lockup, struct radeon_ring *ring)
-{
-       unsigned long cjiffies, elapsed;
-
-       cjiffies = jiffies;
-       if (!time_after(cjiffies, lockup->last_jiffies)) {
-               /* likely a wrap around */
-               lockup->last_cp_rptr = ring->rptr;
-               lockup->last_jiffies = jiffies;
-               return false;
-       }
-       if (ring->rptr != lockup->last_cp_rptr) {
-               /* CP is still working no lockup */
-               lockup->last_cp_rptr = ring->rptr;
-               lockup->last_jiffies = jiffies;
-               return false;
-       }
-       elapsed = jiffies_to_msecs(cjiffies - lockup->last_jiffies);
-       if (elapsed >= 10000) {
-               dev_err(rdev->dev, "GPU lockup CP stall for more than 
%lumsec\n", elapsed);
-               return true;
-       }
-       /* give a chance to the GPU ... */
-       return false;
-}
-
 bool r100_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
 {
        u32 rbbm_status;
@@ -2219,7 +2166,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)

        rbbm_status = RREG32(R_000E40_RBBM_STATUS);
        if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
-               r100_gpu_lockup_update(&rdev->config.r100.lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -2231,7 +2178,7 @@ bool r100_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
                radeon_ring_unlock_commit(rdev, ring);
        }
        ring->rptr = RREG32(ring->rptr_reg);
-       return r100_gpu_cp_is_lockup(rdev, &rdev->config.r100.lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 void r100_bm_disable(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 26e0db8..e207664 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -384,7 +384,7 @@ bool r300_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)

        rbbm_status = RREG32(R_000E40_RBBM_STATUS);
        if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
-               r100_gpu_lockup_update(&rdev->config.r300.lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -396,7 +396,7 @@ bool r300_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
                radeon_ring_unlock_commit(rdev, ring);
        }
        ring->rptr = RREG32(RADEON_CP_RB_RPTR);
-       return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 int r300_asic_reset(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 6070f90..45d52cc 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1350,19 +1350,13 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
        u32 srbm_status;
        u32 grbm_status;
        u32 grbm_status2;
-       struct r100_gpu_lockup *lockup;
        int r;

-       if (rdev->family >= CHIP_RV770)
-               lockup = &rdev->config.rv770.lockup;
-       else
-               lockup = &rdev->config.r600.lockup;
-
        srbm_status = RREG32(R_000E50_SRBM_STATUS);
        grbm_status = RREG32(R_008010_GRBM_STATUS);
        grbm_status2 = RREG32(R_008014_GRBM_STATUS2);
        if (!G_008010_GUI_ACTIVE(grbm_status)) {
-               r100_gpu_lockup_update(lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -1374,7 +1368,7 @@ bool r600_gpu_is_lockup(struct radeon_device *rdev, 
struct radeon_ring *ring)
                radeon_ring_unlock_commit(rdev, ring);
        }
        ring->rptr = RREG32(ring->rptr_reg);
-       return r100_gpu_cp_is_lockup(rdev, lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 int r600_asic_reset(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index f7372c4..b8d4d94 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -670,6 +670,8 @@ struct radeon_ring {
        unsigned                ring_size;
        unsigned                ring_free_dw;
        int                     count_dw;
+       unsigned long           last_activity;
+       unsigned                last_rptr;
        uint64_t                gpu_addr;
        uint32_t                align_mask;
        uint32_t                ptr_mask;
@@ -814,6 +816,8 @@ 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_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,
                     unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg,
                     u32 ptr_reg_shift, u32 ptr_reg_mask, u32 nop);
@@ -1272,16 +1276,10 @@ struct radeon_asic {
 /*
  * Asic structures
  */
-struct r100_gpu_lockup {
-       unsigned long   last_jiffies;
-       u32             last_cp_rptr;
-};
-
 struct r100_asic {
        const unsigned          *reg_safe_bm;
        unsigned                reg_safe_bm_size;
        u32                     hdp_cntl;
-       struct r100_gpu_lockup  lockup;
 };

 struct r300_asic {
@@ -1289,7 +1287,6 @@ struct r300_asic {
        unsigned                reg_safe_bm_size;
        u32                     resync_scratch;
        u32                     hdp_cntl;
-       struct r100_gpu_lockup  lockup;
 };

 struct r600_asic {
@@ -1311,7 +1308,6 @@ struct r600_asic {
        unsigned                tiling_group_size;
        unsigned                tile_config;
        unsigned                backend_map;
-       struct r100_gpu_lockup  lockup;
 };

 struct rv770_asic {
@@ -1337,7 +1333,6 @@ struct rv770_asic {
        unsigned                tiling_group_size;
        unsigned                tile_config;
        unsigned                backend_map;
-       struct r100_gpu_lockup  lockup;
 };

 struct evergreen_asic {
@@ -1364,7 +1359,6 @@ struct evergreen_asic {
        unsigned tiling_group_size;
        unsigned tile_config;
        unsigned backend_map;
-       struct r100_gpu_lockup  lockup;
 };

 struct cayman_asic {
@@ -1403,7 +1397,6 @@ struct cayman_asic {
        unsigned multi_gpu_tile_size;

        unsigned tile_config;
-       struct r100_gpu_lockup  lockup;
 };

 struct si_asic {
@@ -1434,7 +1427,6 @@ struct si_asic {
        unsigned multi_gpu_tile_size;

        unsigned tile_config;
-       struct r100_gpu_lockup  lockup;
 };

 union radeon_asic_config {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h 
b/drivers/gpu/drm/radeon/radeon_asic.h
index b135bec..b0941f9 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -103,11 +103,6 @@ int r100_pci_gart_enable(struct radeon_device *rdev);
 void r100_pci_gart_disable(struct radeon_device *rdev);
 int r100_debugfs_mc_info_init(struct radeon_device *rdev);
 int r100_gui_wait_for_idle(struct radeon_device *rdev);
-void r100_gpu_lockup_update(struct r100_gpu_lockup *lockup,
-                           struct radeon_ring *cp);
-bool r100_gpu_cp_is_lockup(struct radeon_device *rdev,
-                          struct r100_gpu_lockup *lockup,
-                          struct radeon_ring *cp);
 void r100_ib_fini(struct radeon_device *rdev);
 int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
 void r100_irq_disable(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c 
b/drivers/gpu/drm/radeon/radeon_ring.c
index 1b020ef..203ec1f 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -396,6 +396,59 @@ void radeon_ring_unlock_undo(struct radeon_device *rdev, 
struct radeon_ring *rin
        mutex_unlock(&ring->mutex);
 }

+void radeon_ring_lockup_update(struct radeon_ring *ring)
+{
+       ring->last_rptr = ring->rptr;
+       ring->last_activity = jiffies;
+}
+
+/**
+ * radeon_ring_test_lockup() - check if ring is lockedup by recording 
information
+ * @rdev:       radeon device structure
+ * @ring:       radeon_ring structure holding ring information
+ *
+ * We don't need to initialize the lockup tracking information as we will 
either
+ * have CP rptr to a different value of jiffies wrap around which will force
+ * initialization of the lockup tracking informations.
+ *
+ * A possible false positivie is if we get call after while and last_cp_rptr ==
+ * the current CP rptr, even if it's unlikely it might happen. To avoid this
+ * if the elapsed time since last call is bigger than 2 second than we return
+ * false and update the tracking information. Due to this the caller must call
+ * radeon_ring_test_lockup several time in less than 2sec for lockup to be 
reported
+ * the fencing code should be cautious about that.
+ *
+ * Caller should write to the ring to force CP to do something so we don't get
+ * false positive when CP is just gived nothing to do.
+ *
+ **/
+bool radeon_ring_test_lockup(struct radeon_device *rdev, struct radeon_ring 
*ring)
+{
+       unsigned long cjiffies, elapsed;
+       uint32_t rptr;
+
+       cjiffies = jiffies;
+       if (!time_after(cjiffies, ring->last_activity)) {
+               /* likely a wrap around */
+               radeon_ring_lockup_update(ring);
+               return false;
+       }
+       rptr = RREG32(ring->rptr_reg);
+       ring->rptr = (rptr & ring->ptr_reg_mask) >> ring->ptr_reg_shift;
+       if (ring->rptr != ring->last_rptr) {
+               /* CP is still working no lockup */
+               radeon_ring_lockup_update(ring);
+               return false;
+       }
+       elapsed = jiffies_to_msecs(cjiffies - ring->last_activity);
+       if (elapsed >= 10000) {
+               dev_err(rdev->dev, "GPU lockup CP stall for more than 
%lumsec\n", elapsed);
+               return true;
+       }
+       /* give a chance to the GPU ... */
+       return false;
+}
+
 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, 
unsigned ring_size,
                     unsigned rptr_offs, unsigned rptr_reg, unsigned wptr_reg,
                     u32 ptr_reg_shift, u32 ptr_reg_mask, u32 nop)
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 14919e1..c2422f5 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;
-       struct r100_gpu_lockup *lockup = &rdev->config.si.lockup;
        int r;

        srbm_status = RREG32(SRBM_STATUS);
@@ -2226,7 +2225,7 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
        grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
        grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
        if (!(grbm_status & GUI_ACTIVE)) {
-               r100_gpu_lockup_update(lockup, ring);
+               radeon_ring_lockup_update(ring);
                return false;
        }
        /* force CP activities */
@@ -2239,7 +2238,7 @@ bool si_gpu_is_lockup(struct radeon_device *rdev, struct 
radeon_ring *ring)
        }
        /* XXX deal with CP0,1,2 */
        ring->rptr = RREG32(ring->rptr_reg);
-       return r100_gpu_cp_is_lockup(rdev, lockup, ring);
+       return radeon_ring_test_lockup(rdev, ring);
 }

 static int si_gpu_soft_reset(struct radeon_device *rdev)
-- 
1.7.5.4

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