It isn't chipset specific, so it makes no sense to have that inside r100.c.
Signed-off-by: Christian König deathsimple@vodafone.de Reviewed-by: Jerome Glisse jglisse@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)