* [PATCH v2 2/4] drm/i915: Change parameters order in i915_gem_batch_pool_init
2018-03-07 12:47 [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Michal Wajdeczko
@ 2018-03-07 12:47 ` Michal Wajdeczko
2018-03-07 16:51 ` Chris Wilson
2018-03-07 12:47 ` [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust Michal Wajdeczko
` (3 subsequent siblings)
4 siblings, 1 reply; 10+ messages in thread
From: Michal Wajdeczko @ 2018-03-07 12:47 UTC (permalink / raw)
To: intel-gfx
Function i915_gem_batch_pool_init() failed to follow obj-verb
naming schema. Fix that by swapping function parameters.
While here, change license text to SPDX format.
v2: use intel_engine_init_batch_pool (Chris) as proxy (Michal)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem_batch_pool.c | 30 ++++++------------------------
drivers/gpu/drm/i915/i915_gem_batch_pool.h | 29 +++++------------------------
drivers/gpu/drm/i915/intel_engine_cs.c | 9 ++++++---
3 files changed, 17 insertions(+), 51 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_batch_pool.c b/drivers/gpu/drm/i915/i915_gem_batch_pool.c
index d3cbe84..f3890b6 100644
--- a/drivers/gpu/drm/i915/i915_gem_batch_pool.c
+++ b/drivers/gpu/drm/i915/i915_gem_batch_pool.c
@@ -1,29 +1,11 @@
/*
- * Copyright © 2014 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
*
+ * Copyright © 2014-2018 Intel Corporation
*/
-#include "i915_drv.h"
#include "i915_gem_batch_pool.h"
+#include "i915_drv.h"
/**
* DOC: batch pool
@@ -41,11 +23,11 @@
/**
* i915_gem_batch_pool_init() - initialize a batch buffer pool
- * @engine: the associated request submission engine
* @pool: the batch buffer pool
+ * @engine: the associated request submission engine
*/
-void i915_gem_batch_pool_init(struct intel_engine_cs *engine,
- struct i915_gem_batch_pool *pool)
+void i915_gem_batch_pool_init(struct i915_gem_batch_pool *pool,
+ struct intel_engine_cs *engine)
{
int n;
diff --git a/drivers/gpu/drm/i915/i915_gem_batch_pool.h b/drivers/gpu/drm/i915/i915_gem_batch_pool.h
index 10d5ac4..56947da 100644
--- a/drivers/gpu/drm/i915/i915_gem_batch_pool.h
+++ b/drivers/gpu/drm/i915/i915_gem_batch_pool.h
@@ -1,31 +1,13 @@
/*
- * Copyright © 2014 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
*
+ * Copyright © 2014-2018 Intel Corporation
*/
#ifndef I915_GEM_BATCH_POOL_H
#define I915_GEM_BATCH_POOL_H
-#include "i915_drv.h"
+#include <linux/types.h>
struct intel_engine_cs;
@@ -34,9 +16,8 @@ struct i915_gem_batch_pool {
struct list_head cache_list[4];
};
-/* i915_gem_batch_pool.c */
-void i915_gem_batch_pool_init(struct intel_engine_cs *engine,
- struct i915_gem_batch_pool *pool);
+void i915_gem_batch_pool_init(struct i915_gem_batch_pool *pool,
+ struct intel_engine_cs *engine);
void i915_gem_batch_pool_fini(struct i915_gem_batch_pool *pool);
struct drm_i915_gem_object*
i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, size_t size);
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 3e1107e..fa18956 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -396,6 +396,11 @@ static void intel_engine_init_timeline(struct intel_engine_cs *engine)
engine->timeline = &engine->i915->gt.global_timeline.engine[engine->id];
}
+static void intel_engine_init_batch_pool(struct intel_engine_cs *engine)
+{
+ i915_gem_batch_pool_init(&engine->batch_pool, engine);
+}
+
static bool csb_force_mmio(struct drm_i915_private *i915)
{
/*
@@ -440,11 +445,9 @@ static void intel_engine_init_execlist(struct intel_engine_cs *engine)
void intel_engine_setup_common(struct intel_engine_cs *engine)
{
intel_engine_init_execlist(engine);
-
intel_engine_init_timeline(engine);
intel_engine_init_hangcheck(engine);
- i915_gem_batch_pool_init(engine, &engine->batch_pool);
-
+ intel_engine_init_batch_pool(engine);
intel_engine_init_cmd_parser(engine);
}
--
1.9.1
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^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust
2018-03-07 12:47 [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Michal Wajdeczko
2018-03-07 12:47 ` [PATCH v2 2/4] drm/i915: Change parameters order in i915_gem_batch_pool_init Michal Wajdeczko
@ 2018-03-07 12:47 ` Michal Wajdeczko
2018-03-07 12:50 ` Tvrtko Ursulin
2018-03-07 12:47 ` [PATCH v2 4/4] drm/i915: Move i915_gpu_error into its own header Michal Wajdeczko
` (2 subsequent siblings)
4 siblings, 1 reply; 10+ messages in thread
From: Michal Wajdeczko @ 2018-03-07 12:47 UTC (permalink / raw)
To: intel-gfx
Definitions in i915_pmu.h header depend on other types and
declarations that were not explicitly included. Fix that by
adding related headers and forward declarations.
While here, change license text to SPDX format.
v2: don't drop "intel_ringbuffer.h" (Tvrtko)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
drivers/gpu/drm/i915/i915_pmu.c | 27 +++------------------------
drivers/gpu/drm/i915/i915_pmu.h | 30 ++++++++++--------------------
2 files changed, 13 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 964467b..4bc7aef 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -1,33 +1,12 @@
/*
- * Copyright © 2017 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
*
+ * Copyright © 2017-2018 Intel Corporation
*/
-#include <linux/perf_event.h>
-#include <linux/pm_runtime.h>
-
-#include "i915_drv.h"
#include "i915_pmu.h"
#include "intel_ringbuffer.h"
+#include "i915_drv.h"
/* Frequency for the sampling timer for events which need it. */
#define FREQUENCY 200
diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h
index aa1b1a9..2ba7352 100644
--- a/drivers/gpu/drm/i915/i915_pmu.h
+++ b/drivers/gpu/drm/i915/i915_pmu.h
@@ -1,29 +1,19 @@
/*
- * Copyright © 2017 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
*
+ * Copyright © 2017-2018 Intel Corporation
*/
+
#ifndef __I915_PMU_H__
#define __I915_PMU_H__
+#include <linux/hrtimer.h>
+#include <linux/perf_event.h>
+#include <linux/spinlock_types.h>
+#include <drm/i915_drm.h>
+
+struct drm_i915_private;
+
enum {
__I915_SAMPLE_FREQ_ACT = 0,
__I915_SAMPLE_FREQ_REQ,
--
1.9.1
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust
2018-03-07 12:47 ` [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust Michal Wajdeczko
@ 2018-03-07 12:50 ` Tvrtko Ursulin
0 siblings, 0 replies; 10+ messages in thread
From: Tvrtko Ursulin @ 2018-03-07 12:50 UTC (permalink / raw)
To: Michal Wajdeczko, intel-gfx
On 07/03/2018 12:47, Michal Wajdeczko wrote:
> Definitions in i915_pmu.h header depend on other types and
> declarations that were not explicitly included. Fix that by
> adding related headers and forward declarations.
> While here, change license text to SPDX format.
>
> v2: don't drop "intel_ringbuffer.h" (Tvrtko)
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Regards,
Tvrtko
> ---
> drivers/gpu/drm/i915/i915_pmu.c | 27 +++------------------------
> drivers/gpu/drm/i915/i915_pmu.h | 30 ++++++++++--------------------
> 2 files changed, 13 insertions(+), 44 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
> index 964467b..4bc7aef 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.c
> +++ b/drivers/gpu/drm/i915/i915_pmu.c
> @@ -1,33 +1,12 @@
> /*
> - * Copyright © 2017 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> + * SPDX-License-Identifier: MIT
> *
> + * Copyright © 2017-2018 Intel Corporation
> */
>
> -#include <linux/perf_event.h>
> -#include <linux/pm_runtime.h>
> -
> -#include "i915_drv.h"
> #include "i915_pmu.h"
> #include "intel_ringbuffer.h"
> +#include "i915_drv.h"
>
> /* Frequency for the sampling timer for events which need it. */
> #define FREQUENCY 200
> diff --git a/drivers/gpu/drm/i915/i915_pmu.h b/drivers/gpu/drm/i915/i915_pmu.h
> index aa1b1a9..2ba7352 100644
> --- a/drivers/gpu/drm/i915/i915_pmu.h
> +++ b/drivers/gpu/drm/i915/i915_pmu.h
> @@ -1,29 +1,19 @@
> /*
> - * Copyright © 2017 Intel Corporation
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a
> - * copy of this software and associated documentation files (the "Software"),
> - * to deal in the Software without restriction, including without limitation
> - * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> - * and/or sell copies of the Software, and to permit persons to whom the
> - * Software is furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice (including the next
> - * paragraph) shall be included in all copies or substantial portions of the
> - * Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> - * IN THE SOFTWARE.
> + * SPDX-License-Identifier: MIT
> *
> + * Copyright © 2017-2018 Intel Corporation
> */
> +
> #ifndef __I915_PMU_H__
> #define __I915_PMU_H__
>
> +#include <linux/hrtimer.h>
> +#include <linux/perf_event.h>
> +#include <linux/spinlock_types.h>
> +#include <drm/i915_drm.h>
> +
> +struct drm_i915_private;
> +
> enum {
> __I915_SAMPLE_FREQ_ACT = 0,
> __I915_SAMPLE_FREQ_REQ,
>
_______________________________________________
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^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2 4/4] drm/i915: Move i915_gpu_error into its own header
2018-03-07 12:47 [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Michal Wajdeczko
2018-03-07 12:47 ` [PATCH v2 2/4] drm/i915: Change parameters order in i915_gem_batch_pool_init Michal Wajdeczko
2018-03-07 12:47 ` [PATCH v2 3/4] drm/i915: Make header i915_pmu.h more robust Michal Wajdeczko
@ 2018-03-07 12:47 ` Michal Wajdeczko
2018-03-07 16:56 ` Chris Wilson
2018-03-07 12:49 ` [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Tvrtko Ursulin
2018-03-07 18:11 ` Chris Wilson
4 siblings, 1 reply; 10+ messages in thread
From: Michal Wajdeczko @ 2018-03-07 12:47 UTC (permalink / raw)
To: intel-gfx
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=UTF-8, Size: 21234 bytes --]
Error state management code was moved into separate .c unit
but we didn't move related definitions into own header.
v2: move also intel_display_error_state forward decl
fix ("Prefer 'unsigned int' to bare use of 'unsigned'")
warnings detected by checkpatch in moved code (Michal)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_drv.h | 332 +------------------------------
drivers/gpu/drm/i915/i915_gpu_error.c | 1 +
drivers/gpu/drm/i915/i915_gpu_error.h | 355 ++++++++++++++++++++++++++++++++++
3 files changed, 357 insertions(+), 331 deletions(-)
create mode 100644 drivers/gpu/drm/i915/i915_gpu_error.h
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7eec99d7..6728f9a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -72,7 +72,7 @@
#include "i915_gem_object.h"
#include "i915_gem_gtt.h"
#include "i915_gem_timeline.h"
-
+#include "i915_gpu_error.h"
#include "i915_request.h"
#include "i915_vma.h"
@@ -453,172 +453,6 @@ struct intel_csr {
uint32_t allowed_dc_mask;
};
-struct intel_display_error_state;
-
-struct i915_gpu_state {
- struct kref ref;
- ktime_t time;
- ktime_t boottime;
- ktime_t uptime;
-
- struct drm_i915_private *i915;
-
- char error_msg[128];
- bool simulated;
- bool awake;
- bool wakelock;
- bool suspended;
- int iommu;
- u32 reset_count;
- u32 suspend_count;
- struct intel_device_info device_info;
- struct intel_driver_caps driver_caps;
- struct i915_params params;
-
- struct i915_error_uc {
- struct intel_uc_fw guc_fw;
- struct intel_uc_fw huc_fw;
- struct drm_i915_error_object *guc_log;
- } uc;
-
- /* Generic register state */
- u32 eir;
- u32 pgtbl_er;
- u32 ier;
- u32 gtier[4], ngtier;
- u32 ccid;
- u32 derrmr;
- u32 forcewake;
- u32 error; /* gen6+ */
- u32 err_int; /* gen7 */
- u32 fault_data0; /* gen8, gen9 */
- u32 fault_data1; /* gen8, gen9 */
- u32 done_reg;
- u32 gac_eco;
- u32 gam_ecochk;
- u32 gab_ctl;
- u32 gfx_mode;
-
- u32 nfence;
- u64 fence[I915_MAX_NUM_FENCES];
- struct intel_overlay_error_state *overlay;
- struct intel_display_error_state *display;
-
- struct drm_i915_error_engine {
- int engine_id;
- /* Software tracked state */
- bool idle;
- bool waiting;
- int num_waiters;
- unsigned long hangcheck_timestamp;
- bool hangcheck_stalled;
- enum intel_engine_hangcheck_action hangcheck_action;
- struct i915_address_space *vm;
- int num_requests;
- u32 reset_count;
-
- /* position of active request inside the ring */
- u32 rq_head, rq_post, rq_tail;
-
- /* our own tracking of ring head and tail */
- u32 cpu_ring_head;
- u32 cpu_ring_tail;
-
- u32 last_seqno;
-
- /* Register state */
- u32 start;
- u32 tail;
- u32 head;
- u32 ctl;
- u32 mode;
- u32 hws;
- u32 ipeir;
- u32 ipehr;
- u32 bbstate;
- u32 instpm;
- u32 instps;
- u32 seqno;
- u64 bbaddr;
- u64 acthd;
- u32 fault_reg;
- u64 faddr;
- u32 rc_psmi; /* sleep state */
- u32 semaphore_mboxes[I915_NUM_ENGINES - 1];
- struct intel_instdone instdone;
-
- struct drm_i915_error_context {
- char comm[TASK_COMM_LEN];
- pid_t pid;
- u32 handle;
- u32 hw_id;
- int priority;
- int ban_score;
- int active;
- int guilty;
- bool bannable;
- } context;
-
- struct drm_i915_error_object {
- u64 gtt_offset;
- u64 gtt_size;
- int page_count;
- int unused;
- u32 *pages[0];
- } *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
-
- struct drm_i915_error_object **user_bo;
- long user_bo_count;
-
- struct drm_i915_error_object *wa_ctx;
- struct drm_i915_error_object *default_state;
-
- struct drm_i915_error_request {
- long jiffies;
- pid_t pid;
- u32 context;
- int priority;
- int ban_score;
- u32 seqno;
- u32 head;
- u32 tail;
- } *requests, execlist[EXECLIST_MAX_PORTS];
- unsigned int num_ports;
-
- struct drm_i915_error_waiter {
- char comm[TASK_COMM_LEN];
- pid_t pid;
- u32 seqno;
- } *waiters;
-
- struct {
- u32 gfx_mode;
- union {
- u64 pdp[4];
- u32 pp_dir_base;
- };
- } vm_info;
- } engine[I915_NUM_ENGINES];
-
- struct drm_i915_error_buffer {
- u32 size;
- u32 name;
- u32 rseqno[I915_NUM_ENGINES], wseqno;
- u64 gtt_offset;
- u32 read_domains;
- u32 write_domain;
- s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
- u32 tiling:2;
- u32 dirty:1;
- u32 purgeable:1;
- u32 userptr:1;
- s32 engine:4;
- u32 cache_level:3;
- } *active_bo[I915_NUM_ENGINES], *pinned_bo;
- u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count;
- struct i915_address_space *active_vm[I915_NUM_ENGINES];
-};
-
enum i915_cache_level {
I915_CACHE_NONE = 0,
I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
@@ -1146,16 +980,6 @@ struct i915_gem_mm {
u32 object_count;
};
-struct drm_i915_error_state_buf {
- struct drm_i915_private *i915;
- unsigned bytes;
- unsigned size;
- int err;
- u8 *buf;
- loff_t start;
- loff_t pos;
-};
-
#define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
@@ -1164,102 +988,6 @@ struct drm_i915_error_state_buf {
#define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */
#define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */
-struct i915_gpu_error {
- /* For hangcheck timer */
-#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
-#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
-
- struct delayed_work hangcheck_work;
-
- /* For reset and error_state handling. */
- spinlock_t lock;
- /* Protected by the above dev->gpu_error.lock. */
- struct i915_gpu_state *first_error;
-
- atomic_t pending_fb_pin;
-
- unsigned long missed_irq_rings;
-
- /**
- * State variable controlling the reset flow and count
- *
- * This is a counter which gets incremented when reset is triggered,
- *
- * Before the reset commences, the I915_RESET_BACKOFF bit is set
- * meaning that any waiters holding onto the struct_mutex should
- * relinquish the lock immediately in order for the reset to start.
- *
- * If reset is not completed succesfully, the I915_WEDGE bit is
- * set meaning that hardware is terminally sour and there is no
- * recovery. All waiters on the reset_queue will be woken when
- * that happens.
- *
- * This counter is used by the wait_seqno code to notice that reset
- * event happened and it needs to restart the entire ioctl (since most
- * likely the seqno it waited for won't ever signal anytime soon).
- *
- * This is important for lock-free wait paths, where no contended lock
- * naturally enforces the correct ordering between the bail-out of the
- * waiter and the gpu reset work code.
- */
- unsigned long reset_count;
-
- /**
- * flags: Control various stages of the GPU reset
- *
- * #I915_RESET_BACKOFF - When we start a reset, we want to stop any
- * other users acquiring the struct_mutex. To do this we set the
- * #I915_RESET_BACKOFF bit in the error flags when we detect a reset
- * and then check for that bit before acquiring the struct_mutex (in
- * i915_mutex_lock_interruptible()?). I915_RESET_BACKOFF serves a
- * secondary role in preventing two concurrent global reset attempts.
- *
- * #I915_RESET_HANDOFF - To perform the actual GPU reset, we need the
- * struct_mutex. We try to acquire the struct_mutex in the reset worker,
- * but it may be held by some long running waiter (that we cannot
- * interrupt without causing trouble). Once we are ready to do the GPU
- * reset, we set the I915_RESET_HANDOFF bit and wakeup any waiters. If
- * they already hold the struct_mutex and want to participate they can
- * inspect the bit and do the reset directly, otherwise the worker
- * waits for the struct_mutex.
- *
- * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to
- * acquire the struct_mutex to reset an engine, we need an explicit
- * flag to prevent two concurrent reset attempts in the same engine.
- * As the number of engines continues to grow, allocate the flags from
- * the most significant bits.
- *
- * #I915_WEDGED - If reset fails and we can no longer use the GPU,
- * we set the #I915_WEDGED bit. Prior to command submission, e.g.
- * i915_request_alloc(), this bit is checked and the sequence
- * aborted (with -EIO reported to userspace) if set.
- */
- unsigned long flags;
-#define I915_RESET_BACKOFF 0
-#define I915_RESET_HANDOFF 1
-#define I915_RESET_MODESET 2
-#define I915_WEDGED (BITS_PER_LONG - 1)
-#define I915_RESET_ENGINE (I915_WEDGED - I915_NUM_ENGINES)
-
- /** Number of times an engine has been reset */
- u32 reset_engine_count[I915_NUM_ENGINES];
-
- /**
- * Waitqueue to signal when a hang is detected. Used to for waiters
- * to release the struct_mutex for the reset to procede.
- */
- wait_queue_head_t wait_queue;
-
- /**
- * Waitqueue to signal when the reset has completed. Used by clients
- * that wait for dev_priv->mm.wedged to settle.
- */
- wait_queue_head_t reset_queue;
-
- /* For missed irq/seqno simulation. */
- unsigned long test_irq_rings;
-};
-
enum modeset_restore {
MODESET_ON_LID_OPEN,
MODESET_DONE,
@@ -3586,64 +3314,6 @@ static inline int i915_debugfs_connector_add(struct drm_connector *connector)
static inline void intel_display_crc_init(struct drm_i915_private *dev_priv) {}
#endif
-/* i915_gpu_error.c */
-#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
-
-__printf(2, 3)
-void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
-int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
- const struct i915_gpu_state *gpu);
-int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
- struct drm_i915_private *i915,
- size_t count, loff_t pos);
-static inline void i915_error_state_buf_release(
- struct drm_i915_error_state_buf *eb)
-{
- kfree(eb->buf);
-}
-
-struct i915_gpu_state *i915_capture_gpu_state(struct drm_i915_private *i915);
-void i915_capture_error_state(struct drm_i915_private *dev_priv,
- u32 engine_mask,
- const char *error_msg);
-
-static inline struct i915_gpu_state *
-i915_gpu_state_get(struct i915_gpu_state *gpu)
-{
- kref_get(&gpu->ref);
- return gpu;
-}
-
-void __i915_gpu_state_free(struct kref *kref);
-static inline void i915_gpu_state_put(struct i915_gpu_state *gpu)
-{
- if (gpu)
- kref_put(&gpu->ref, __i915_gpu_state_free);
-}
-
-struct i915_gpu_state *i915_first_error_state(struct drm_i915_private *i915);
-void i915_reset_error_state(struct drm_i915_private *i915);
-
-#else
-
-static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,
- u32 engine_mask,
- const char *error_msg)
-{
-}
-
-static inline struct i915_gpu_state *
-i915_first_error_state(struct drm_i915_private *i915)
-{
- return NULL;
-}
-
-static inline void i915_reset_error_state(struct drm_i915_private *i915)
-{
-}
-
-#endif
-
const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
/* i915_cmd_parser.c */
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 9e5e954..9b3bf45 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -32,6 +32,7 @@
#include <linux/zlib.h>
#include <drm/drm_print.h>
+#include "i915_gpu_error.h"
#include "i915_drv.h"
static inline const struct intel_engine_cs *
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
new file mode 100644
index 0000000..840318b
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -0,0 +1,355 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2008-2018 Intel Corporation
+ */
+
+#ifndef _I915_GPU_ERROR_H_
+#define _I915_GPU_ERROR_H_
+
+#include <linux/kref.h>
+#include <linux/ktime.h>
+#include <linux/sched.h>
+
+#include <drm/drm_mm.h>
+
+#include "intel_device_info.h"
+#include "intel_ringbuffer.h"
+#include "intel_uc_fw.h"
+
+#include "i915_gem.h"
+#include "i915_gem_gtt.h"
+#include "i915_params.h"
+
+struct drm_i915_private;
+struct intel_overlay_error_state;
+struct intel_display_error_state;
+
+struct i915_gpu_state {
+ struct kref ref;
+ ktime_t time;
+ ktime_t boottime;
+ ktime_t uptime;
+
+ struct drm_i915_private *i915;
+
+ char error_msg[128];
+ bool simulated;
+ bool awake;
+ bool wakelock;
+ bool suspended;
+ int iommu;
+ u32 reset_count;
+ u32 suspend_count;
+ struct intel_device_info device_info;
+ struct intel_driver_caps driver_caps;
+ struct i915_params params;
+
+ struct i915_error_uc {
+ struct intel_uc_fw guc_fw;
+ struct intel_uc_fw huc_fw;
+ struct drm_i915_error_object *guc_log;
+ } uc;
+
+ /* Generic register state */
+ u32 eir;
+ u32 pgtbl_er;
+ u32 ier;
+ u32 gtier[4], ngtier;
+ u32 ccid;
+ u32 derrmr;
+ u32 forcewake;
+ u32 error; /* gen6+ */
+ u32 err_int; /* gen7 */
+ u32 fault_data0; /* gen8, gen9 */
+ u32 fault_data1; /* gen8, gen9 */
+ u32 done_reg;
+ u32 gac_eco;
+ u32 gam_ecochk;
+ u32 gab_ctl;
+ u32 gfx_mode;
+
+ u32 nfence;
+ u64 fence[I915_MAX_NUM_FENCES];
+ struct intel_overlay_error_state *overlay;
+ struct intel_display_error_state *display;
+
+ struct drm_i915_error_engine {
+ int engine_id;
+ /* Software tracked state */
+ bool idle;
+ bool waiting;
+ int num_waiters;
+ unsigned long hangcheck_timestamp;
+ bool hangcheck_stalled;
+ enum intel_engine_hangcheck_action hangcheck_action;
+ struct i915_address_space *vm;
+ int num_requests;
+ u32 reset_count;
+
+ /* position of active request inside the ring */
+ u32 rq_head, rq_post, rq_tail;
+
+ /* our own tracking of ring head and tail */
+ u32 cpu_ring_head;
+ u32 cpu_ring_tail;
+
+ u32 last_seqno;
+
+ /* Register state */
+ u32 start;
+ u32 tail;
+ u32 head;
+ u32 ctl;
+ u32 mode;
+ u32 hws;
+ u32 ipeir;
+ u32 ipehr;
+ u32 bbstate;
+ u32 instpm;
+ u32 instps;
+ u32 seqno;
+ u64 bbaddr;
+ u64 acthd;
+ u32 fault_reg;
+ u64 faddr;
+ u32 rc_psmi; /* sleep state */
+ u32 semaphore_mboxes[I915_NUM_ENGINES - 1];
+ struct intel_instdone instdone;
+
+ struct drm_i915_error_context {
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ u32 handle;
+ u32 hw_id;
+ int priority;
+ int ban_score;
+ int active;
+ int guilty;
+ bool bannable;
+ } context;
+
+ struct drm_i915_error_object {
+ u64 gtt_offset;
+ u64 gtt_size;
+ int page_count;
+ int unused;
+ u32 *pages[0];
+ } *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
+
+ struct drm_i915_error_object **user_bo;
+ long user_bo_count;
+
+ struct drm_i915_error_object *wa_ctx;
+ struct drm_i915_error_object *default_state;
+
+ struct drm_i915_error_request {
+ long jiffies;
+ pid_t pid;
+ u32 context;
+ int priority;
+ int ban_score;
+ u32 seqno;
+ u32 head;
+ u32 tail;
+ } *requests, execlist[EXECLIST_MAX_PORTS];
+ unsigned int num_ports;
+
+ struct drm_i915_error_waiter {
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ u32 seqno;
+ } *waiters;
+
+ struct {
+ u32 gfx_mode;
+ union {
+ u64 pdp[4];
+ u32 pp_dir_base;
+ };
+ } vm_info;
+ } engine[I915_NUM_ENGINES];
+
+ struct drm_i915_error_buffer {
+ u32 size;
+ u32 name;
+ u32 rseqno[I915_NUM_ENGINES], wseqno;
+ u64 gtt_offset;
+ u32 read_domains;
+ u32 write_domain;
+ s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
+ u32 tiling:2;
+ u32 dirty:1;
+ u32 purgeable:1;
+ u32 userptr:1;
+ s32 engine:4;
+ u32 cache_level:3;
+ } *active_bo[I915_NUM_ENGINES], *pinned_bo;
+ u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count;
+ struct i915_address_space *active_vm[I915_NUM_ENGINES];
+};
+
+struct i915_gpu_error {
+ /* For hangcheck timer */
+#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
+#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
+
+ struct delayed_work hangcheck_work;
+
+ /* For reset and error_state handling. */
+ spinlock_t lock;
+ /* Protected by the above dev->gpu_error.lock. */
+ struct i915_gpu_state *first_error;
+
+ atomic_t pending_fb_pin;
+
+ unsigned long missed_irq_rings;
+
+ /**
+ * State variable controlling the reset flow and count
+ *
+ * This is a counter which gets incremented when reset is triggered,
+ *
+ * Before the reset commences, the I915_RESET_BACKOFF bit is set
+ * meaning that any waiters holding onto the struct_mutex should
+ * relinquish the lock immediately in order for the reset to start.
+ *
+ * If reset is not completed successfully, the I915_WEDGE bit is
+ * set meaning that hardware is terminally sour and there is no
+ * recovery. All waiters on the reset_queue will be woken when
+ * that happens.
+ *
+ * This counter is used by the wait_seqno code to notice that reset
+ * event happened and it needs to restart the entire ioctl (since most
+ * likely the seqno it waited for won't ever signal anytime soon).
+ *
+ * This is important for lock-free wait paths, where no contended lock
+ * naturally enforces the correct ordering between the bail-out of the
+ * waiter and the gpu reset work code.
+ */
+ unsigned long reset_count;
+
+ /**
+ * flags: Control various stages of the GPU reset
+ *
+ * #I915_RESET_BACKOFF - When we start a reset, we want to stop any
+ * other users acquiring the struct_mutex. To do this we set the
+ * #I915_RESET_BACKOFF bit in the error flags when we detect a reset
+ * and then check for that bit before acquiring the struct_mutex (in
+ * i915_mutex_lock_interruptible()?). I915_RESET_BACKOFF serves a
+ * secondary role in preventing two concurrent global reset attempts.
+ *
+ * #I915_RESET_HANDOFF - To perform the actual GPU reset, we need the
+ * struct_mutex. We try to acquire the struct_mutex in the reset worker,
+ * but it may be held by some long running waiter (that we cannot
+ * interrupt without causing trouble). Once we are ready to do the GPU
+ * reset, we set the I915_RESET_HANDOFF bit and wakeup any waiters. If
+ * they already hold the struct_mutex and want to participate they can
+ * inspect the bit and do the reset directly, otherwise the worker
+ * waits for the struct_mutex.
+ *
+ * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to
+ * acquire the struct_mutex to reset an engine, we need an explicit
+ * flag to prevent two concurrent reset attempts in the same engine.
+ * As the number of engines continues to grow, allocate the flags from
+ * the most significant bits.
+ *
+ * #I915_WEDGED - If reset fails and we can no longer use the GPU,
+ * we set the #I915_WEDGED bit. Prior to command submission, e.g.
+ * i915_request_alloc(), this bit is checked and the sequence
+ * aborted (with -EIO reported to userspace) if set.
+ */
+ unsigned long flags;
+#define I915_RESET_BACKOFF 0
+#define I915_RESET_HANDOFF 1
+#define I915_RESET_MODESET 2
+#define I915_WEDGED (BITS_PER_LONG - 1)
+#define I915_RESET_ENGINE (I915_WEDGED - I915_NUM_ENGINES)
+
+ /** Number of times an engine has been reset */
+ u32 reset_engine_count[I915_NUM_ENGINES];
+
+ /**
+ * Waitqueue to signal when a hang is detected. Used to for waiters
+ * to release the struct_mutex for the reset to procede.
+ */
+ wait_queue_head_t wait_queue;
+
+ /**
+ * Waitqueue to signal when the reset has completed. Used by clients
+ * that wait for dev_priv->mm.wedged to settle.
+ */
+ wait_queue_head_t reset_queue;
+
+ /* For missed irq/seqno simulation. */
+ unsigned long test_irq_rings;
+};
+
+struct drm_i915_error_state_buf {
+ struct drm_i915_private *i915;
+ unsigned int bytes;
+ unsigned int size;
+ int err;
+ u8 *buf;
+ loff_t start;
+ loff_t pos;
+};
+
+#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
+
+__printf(2, 3)
+void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
+int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
+ const struct i915_gpu_state *gpu);
+int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
+ struct drm_i915_private *i915,
+ size_t count, loff_t pos);
+static inline void i915_error_state_buf_release(
+ struct drm_i915_error_state_buf *eb)
+{
+ kfree(eb->buf);
+}
+
+struct i915_gpu_state *i915_capture_gpu_state(struct drm_i915_private *i915);
+void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
+ const char *error_msg);
+
+static inline struct i915_gpu_state *
+i915_gpu_state_get(struct i915_gpu_state *gpu)
+{
+ kref_get(&gpu->ref);
+ return gpu;
+}
+
+void __i915_gpu_state_free(struct kref *kref);
+static inline void i915_gpu_state_put(struct i915_gpu_state *gpu)
+{
+ if (gpu)
+ kref_put(&gpu->ref, __i915_gpu_state_free);
+}
+
+struct i915_gpu_state *i915_first_error_state(struct drm_i915_private *i915);
+void i915_reset_error_state(struct drm_i915_private *i915);
+
+#else
+
+static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
+ const char *error_msg)
+{
+}
+
+static inline struct i915_gpu_state *
+i915_first_error_state(struct drm_i915_private *i915)
+{
+ return NULL;
+}
+
+static inline void i915_reset_error_state(struct drm_i915_private *i915)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) */
+
+#endif /* _I915_GPU_ERROR_H_ */
--
1.9.1
[-- Attachment #2: Type: text/plain, Size: 160 bytes --]
_______________________________________________
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Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h
2018-03-07 12:47 [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Michal Wajdeczko
` (2 preceding siblings ...)
2018-03-07 12:47 ` [PATCH v2 4/4] drm/i915: Move i915_gpu_error into its own header Michal Wajdeczko
@ 2018-03-07 12:49 ` Tvrtko Ursulin
2018-03-07 18:11 ` Chris Wilson
4 siblings, 0 replies; 10+ messages in thread
From: Tvrtko Ursulin @ 2018-03-07 12:49 UTC (permalink / raw)
To: Michal Wajdeczko, intel-gfx
On 07/03/2018 12:47, Michal Wajdeczko wrote:
> Header intel_ringbuffer.h is using definitions from i915_reg.h
> but forget to include it. Remove this hidden dependency by
> explicitly include missing header.
>
> v2: add reminder (Chris)
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> #1
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> ---
> drivers/gpu/drm/i915/intel_ringbuffer.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
> index 26605f3..e4933dd 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.h
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
> @@ -7,6 +7,7 @@
> #include "i915_gem_batch_pool.h"
> #include "i915_gem_timeline.h"
>
> +#include "i915_reg.h" /* FIXME split out i915_gpu_commands.h */
> #include "i915_pmu.h"
> #include "i915_request.h"
> #include "i915_selftest.h"
>
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^ permalink raw reply [flat|nested] 10+ messages in thread* Re: [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h
2018-03-07 12:47 [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Michal Wajdeczko
` (3 preceding siblings ...)
2018-03-07 12:49 ` [PATCH v2 1/4] drm/i915: Include i915_reg.h in intel_ringbuffer.h Tvrtko Ursulin
@ 2018-03-07 18:11 ` Chris Wilson
4 siblings, 0 replies; 10+ messages in thread
From: Chris Wilson @ 2018-03-07 18:11 UTC (permalink / raw)
To: Michal Wajdeczko, intel-gfx
Quoting Michal Wajdeczko (2018-03-07 12:47:01)
> Header intel_ringbuffer.h is using definitions from i915_reg.h
> but forget to include it. Remove this hidden dependency by
> explicitly include missing header.
>
> v2: add reminder (Chris)
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> #1
Patchwork decided not to pick up this series. Could you collate the r-b
and resend?
-Chris
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^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH v2 4/4] drm/i915: Move i915_gpu_error into its own header
2018-03-08 9:50 [PATCH v2 0/4] drm/i915: misc fixes in headers (RESEND) Michal Wajdeczko
@ 2018-03-08 9:50 ` Michal Wajdeczko
0 siblings, 0 replies; 10+ messages in thread
From: Michal Wajdeczko @ 2018-03-08 9:50 UTC (permalink / raw)
To: intel-gfx
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=UTF-8, Size: 21286 bytes --]
Error state management code was moved into separate .c unit
but we didn't move related definitions into own header.
v2: move also intel_display_error_state forward decl
fix ("Prefer 'unsigned int' to bare use of 'unsigned'")
warnings detected by checkpatch in moved code (Michal)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_drv.h | 332 +------------------------------
drivers/gpu/drm/i915/i915_gpu_error.c | 1 +
drivers/gpu/drm/i915/i915_gpu_error.h | 355 ++++++++++++++++++++++++++++++++++
3 files changed, 357 insertions(+), 331 deletions(-)
create mode 100644 drivers/gpu/drm/i915/i915_gpu_error.h
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 604389d..3341af7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -72,7 +72,7 @@
#include "i915_gem_object.h"
#include "i915_gem_gtt.h"
#include "i915_gem_timeline.h"
-
+#include "i915_gpu_error.h"
#include "i915_request.h"
#include "i915_vma.h"
@@ -453,172 +453,6 @@ struct intel_csr {
uint32_t allowed_dc_mask;
};
-struct intel_display_error_state;
-
-struct i915_gpu_state {
- struct kref ref;
- ktime_t time;
- ktime_t boottime;
- ktime_t uptime;
-
- struct drm_i915_private *i915;
-
- char error_msg[128];
- bool simulated;
- bool awake;
- bool wakelock;
- bool suspended;
- int iommu;
- u32 reset_count;
- u32 suspend_count;
- struct intel_device_info device_info;
- struct intel_driver_caps driver_caps;
- struct i915_params params;
-
- struct i915_error_uc {
- struct intel_uc_fw guc_fw;
- struct intel_uc_fw huc_fw;
- struct drm_i915_error_object *guc_log;
- } uc;
-
- /* Generic register state */
- u32 eir;
- u32 pgtbl_er;
- u32 ier;
- u32 gtier[4], ngtier;
- u32 ccid;
- u32 derrmr;
- u32 forcewake;
- u32 error; /* gen6+ */
- u32 err_int; /* gen7 */
- u32 fault_data0; /* gen8, gen9 */
- u32 fault_data1; /* gen8, gen9 */
- u32 done_reg;
- u32 gac_eco;
- u32 gam_ecochk;
- u32 gab_ctl;
- u32 gfx_mode;
-
- u32 nfence;
- u64 fence[I915_MAX_NUM_FENCES];
- struct intel_overlay_error_state *overlay;
- struct intel_display_error_state *display;
-
- struct drm_i915_error_engine {
- int engine_id;
- /* Software tracked state */
- bool idle;
- bool waiting;
- int num_waiters;
- unsigned long hangcheck_timestamp;
- bool hangcheck_stalled;
- enum intel_engine_hangcheck_action hangcheck_action;
- struct i915_address_space *vm;
- int num_requests;
- u32 reset_count;
-
- /* position of active request inside the ring */
- u32 rq_head, rq_post, rq_tail;
-
- /* our own tracking of ring head and tail */
- u32 cpu_ring_head;
- u32 cpu_ring_tail;
-
- u32 last_seqno;
-
- /* Register state */
- u32 start;
- u32 tail;
- u32 head;
- u32 ctl;
- u32 mode;
- u32 hws;
- u32 ipeir;
- u32 ipehr;
- u32 bbstate;
- u32 instpm;
- u32 instps;
- u32 seqno;
- u64 bbaddr;
- u64 acthd;
- u32 fault_reg;
- u64 faddr;
- u32 rc_psmi; /* sleep state */
- u32 semaphore_mboxes[I915_NUM_ENGINES - 1];
- struct intel_instdone instdone;
-
- struct drm_i915_error_context {
- char comm[TASK_COMM_LEN];
- pid_t pid;
- u32 handle;
- u32 hw_id;
- int priority;
- int ban_score;
- int active;
- int guilty;
- bool bannable;
- } context;
-
- struct drm_i915_error_object {
- u64 gtt_offset;
- u64 gtt_size;
- int page_count;
- int unused;
- u32 *pages[0];
- } *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
-
- struct drm_i915_error_object **user_bo;
- long user_bo_count;
-
- struct drm_i915_error_object *wa_ctx;
- struct drm_i915_error_object *default_state;
-
- struct drm_i915_error_request {
- long jiffies;
- pid_t pid;
- u32 context;
- int priority;
- int ban_score;
- u32 seqno;
- u32 head;
- u32 tail;
- } *requests, execlist[EXECLIST_MAX_PORTS];
- unsigned int num_ports;
-
- struct drm_i915_error_waiter {
- char comm[TASK_COMM_LEN];
- pid_t pid;
- u32 seqno;
- } *waiters;
-
- struct {
- u32 gfx_mode;
- union {
- u64 pdp[4];
- u32 pp_dir_base;
- };
- } vm_info;
- } engine[I915_NUM_ENGINES];
-
- struct drm_i915_error_buffer {
- u32 size;
- u32 name;
- u32 rseqno[I915_NUM_ENGINES], wseqno;
- u64 gtt_offset;
- u32 read_domains;
- u32 write_domain;
- s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
- u32 tiling:2;
- u32 dirty:1;
- u32 purgeable:1;
- u32 userptr:1;
- s32 engine:4;
- u32 cache_level:3;
- } *active_bo[I915_NUM_ENGINES], *pinned_bo;
- u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count;
- struct i915_address_space *active_vm[I915_NUM_ENGINES];
-};
-
enum i915_cache_level {
I915_CACHE_NONE = 0,
I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */
@@ -1146,16 +980,6 @@ struct i915_gem_mm {
u32 object_count;
};
-struct drm_i915_error_state_buf {
- struct drm_i915_private *i915;
- unsigned bytes;
- unsigned size;
- int err;
- u8 *buf;
- loff_t start;
- loff_t pos;
-};
-
#define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
@@ -1164,102 +988,6 @@ struct drm_i915_error_state_buf {
#define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */
#define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */
-struct i915_gpu_error {
- /* For hangcheck timer */
-#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
-#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
-
- struct delayed_work hangcheck_work;
-
- /* For reset and error_state handling. */
- spinlock_t lock;
- /* Protected by the above dev->gpu_error.lock. */
- struct i915_gpu_state *first_error;
-
- atomic_t pending_fb_pin;
-
- unsigned long missed_irq_rings;
-
- /**
- * State variable controlling the reset flow and count
- *
- * This is a counter which gets incremented when reset is triggered,
- *
- * Before the reset commences, the I915_RESET_BACKOFF bit is set
- * meaning that any waiters holding onto the struct_mutex should
- * relinquish the lock immediately in order for the reset to start.
- *
- * If reset is not completed succesfully, the I915_WEDGE bit is
- * set meaning that hardware is terminally sour and there is no
- * recovery. All waiters on the reset_queue will be woken when
- * that happens.
- *
- * This counter is used by the wait_seqno code to notice that reset
- * event happened and it needs to restart the entire ioctl (since most
- * likely the seqno it waited for won't ever signal anytime soon).
- *
- * This is important for lock-free wait paths, where no contended lock
- * naturally enforces the correct ordering between the bail-out of the
- * waiter and the gpu reset work code.
- */
- unsigned long reset_count;
-
- /**
- * flags: Control various stages of the GPU reset
- *
- * #I915_RESET_BACKOFF - When we start a reset, we want to stop any
- * other users acquiring the struct_mutex. To do this we set the
- * #I915_RESET_BACKOFF bit in the error flags when we detect a reset
- * and then check for that bit before acquiring the struct_mutex (in
- * i915_mutex_lock_interruptible()?). I915_RESET_BACKOFF serves a
- * secondary role in preventing two concurrent global reset attempts.
- *
- * #I915_RESET_HANDOFF - To perform the actual GPU reset, we need the
- * struct_mutex. We try to acquire the struct_mutex in the reset worker,
- * but it may be held by some long running waiter (that we cannot
- * interrupt without causing trouble). Once we are ready to do the GPU
- * reset, we set the I915_RESET_HANDOFF bit and wakeup any waiters. If
- * they already hold the struct_mutex and want to participate they can
- * inspect the bit and do the reset directly, otherwise the worker
- * waits for the struct_mutex.
- *
- * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to
- * acquire the struct_mutex to reset an engine, we need an explicit
- * flag to prevent two concurrent reset attempts in the same engine.
- * As the number of engines continues to grow, allocate the flags from
- * the most significant bits.
- *
- * #I915_WEDGED - If reset fails and we can no longer use the GPU,
- * we set the #I915_WEDGED bit. Prior to command submission, e.g.
- * i915_request_alloc(), this bit is checked and the sequence
- * aborted (with -EIO reported to userspace) if set.
- */
- unsigned long flags;
-#define I915_RESET_BACKOFF 0
-#define I915_RESET_HANDOFF 1
-#define I915_RESET_MODESET 2
-#define I915_WEDGED (BITS_PER_LONG - 1)
-#define I915_RESET_ENGINE (I915_WEDGED - I915_NUM_ENGINES)
-
- /** Number of times an engine has been reset */
- u32 reset_engine_count[I915_NUM_ENGINES];
-
- /**
- * Waitqueue to signal when a hang is detected. Used to for waiters
- * to release the struct_mutex for the reset to procede.
- */
- wait_queue_head_t wait_queue;
-
- /**
- * Waitqueue to signal when the reset has completed. Used by clients
- * that wait for dev_priv->mm.wedged to settle.
- */
- wait_queue_head_t reset_queue;
-
- /* For missed irq/seqno simulation. */
- unsigned long test_irq_rings;
-};
-
enum modeset_restore {
MODESET_ON_LID_OPEN,
MODESET_DONE,
@@ -3589,64 +3317,6 @@ static inline int i915_debugfs_connector_add(struct drm_connector *connector)
static inline void intel_display_crc_init(struct drm_i915_private *dev_priv) {}
#endif
-/* i915_gpu_error.c */
-#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
-
-__printf(2, 3)
-void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
-int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
- const struct i915_gpu_state *gpu);
-int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
- struct drm_i915_private *i915,
- size_t count, loff_t pos);
-static inline void i915_error_state_buf_release(
- struct drm_i915_error_state_buf *eb)
-{
- kfree(eb->buf);
-}
-
-struct i915_gpu_state *i915_capture_gpu_state(struct drm_i915_private *i915);
-void i915_capture_error_state(struct drm_i915_private *dev_priv,
- u32 engine_mask,
- const char *error_msg);
-
-static inline struct i915_gpu_state *
-i915_gpu_state_get(struct i915_gpu_state *gpu)
-{
- kref_get(&gpu->ref);
- return gpu;
-}
-
-void __i915_gpu_state_free(struct kref *kref);
-static inline void i915_gpu_state_put(struct i915_gpu_state *gpu)
-{
- if (gpu)
- kref_put(&gpu->ref, __i915_gpu_state_free);
-}
-
-struct i915_gpu_state *i915_first_error_state(struct drm_i915_private *i915);
-void i915_reset_error_state(struct drm_i915_private *i915);
-
-#else
-
-static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,
- u32 engine_mask,
- const char *error_msg)
-{
-}
-
-static inline struct i915_gpu_state *
-i915_first_error_state(struct drm_i915_private *i915)
-{
- return NULL;
-}
-
-static inline void i915_reset_error_state(struct drm_i915_private *i915)
-{
-}
-
-#endif
-
const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
/* i915_cmd_parser.c */
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 9e5e954..9b3bf45 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -32,6 +32,7 @@
#include <linux/zlib.h>
#include <drm/drm_print.h>
+#include "i915_gpu_error.h"
#include "i915_drv.h"
static inline const struct intel_engine_cs *
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
new file mode 100644
index 0000000..840318b
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -0,0 +1,355 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2008-2018 Intel Corporation
+ */
+
+#ifndef _I915_GPU_ERROR_H_
+#define _I915_GPU_ERROR_H_
+
+#include <linux/kref.h>
+#include <linux/ktime.h>
+#include <linux/sched.h>
+
+#include <drm/drm_mm.h>
+
+#include "intel_device_info.h"
+#include "intel_ringbuffer.h"
+#include "intel_uc_fw.h"
+
+#include "i915_gem.h"
+#include "i915_gem_gtt.h"
+#include "i915_params.h"
+
+struct drm_i915_private;
+struct intel_overlay_error_state;
+struct intel_display_error_state;
+
+struct i915_gpu_state {
+ struct kref ref;
+ ktime_t time;
+ ktime_t boottime;
+ ktime_t uptime;
+
+ struct drm_i915_private *i915;
+
+ char error_msg[128];
+ bool simulated;
+ bool awake;
+ bool wakelock;
+ bool suspended;
+ int iommu;
+ u32 reset_count;
+ u32 suspend_count;
+ struct intel_device_info device_info;
+ struct intel_driver_caps driver_caps;
+ struct i915_params params;
+
+ struct i915_error_uc {
+ struct intel_uc_fw guc_fw;
+ struct intel_uc_fw huc_fw;
+ struct drm_i915_error_object *guc_log;
+ } uc;
+
+ /* Generic register state */
+ u32 eir;
+ u32 pgtbl_er;
+ u32 ier;
+ u32 gtier[4], ngtier;
+ u32 ccid;
+ u32 derrmr;
+ u32 forcewake;
+ u32 error; /* gen6+ */
+ u32 err_int; /* gen7 */
+ u32 fault_data0; /* gen8, gen9 */
+ u32 fault_data1; /* gen8, gen9 */
+ u32 done_reg;
+ u32 gac_eco;
+ u32 gam_ecochk;
+ u32 gab_ctl;
+ u32 gfx_mode;
+
+ u32 nfence;
+ u64 fence[I915_MAX_NUM_FENCES];
+ struct intel_overlay_error_state *overlay;
+ struct intel_display_error_state *display;
+
+ struct drm_i915_error_engine {
+ int engine_id;
+ /* Software tracked state */
+ bool idle;
+ bool waiting;
+ int num_waiters;
+ unsigned long hangcheck_timestamp;
+ bool hangcheck_stalled;
+ enum intel_engine_hangcheck_action hangcheck_action;
+ struct i915_address_space *vm;
+ int num_requests;
+ u32 reset_count;
+
+ /* position of active request inside the ring */
+ u32 rq_head, rq_post, rq_tail;
+
+ /* our own tracking of ring head and tail */
+ u32 cpu_ring_head;
+ u32 cpu_ring_tail;
+
+ u32 last_seqno;
+
+ /* Register state */
+ u32 start;
+ u32 tail;
+ u32 head;
+ u32 ctl;
+ u32 mode;
+ u32 hws;
+ u32 ipeir;
+ u32 ipehr;
+ u32 bbstate;
+ u32 instpm;
+ u32 instps;
+ u32 seqno;
+ u64 bbaddr;
+ u64 acthd;
+ u32 fault_reg;
+ u64 faddr;
+ u32 rc_psmi; /* sleep state */
+ u32 semaphore_mboxes[I915_NUM_ENGINES - 1];
+ struct intel_instdone instdone;
+
+ struct drm_i915_error_context {
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ u32 handle;
+ u32 hw_id;
+ int priority;
+ int ban_score;
+ int active;
+ int guilty;
+ bool bannable;
+ } context;
+
+ struct drm_i915_error_object {
+ u64 gtt_offset;
+ u64 gtt_size;
+ int page_count;
+ int unused;
+ u32 *pages[0];
+ } *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
+
+ struct drm_i915_error_object **user_bo;
+ long user_bo_count;
+
+ struct drm_i915_error_object *wa_ctx;
+ struct drm_i915_error_object *default_state;
+
+ struct drm_i915_error_request {
+ long jiffies;
+ pid_t pid;
+ u32 context;
+ int priority;
+ int ban_score;
+ u32 seqno;
+ u32 head;
+ u32 tail;
+ } *requests, execlist[EXECLIST_MAX_PORTS];
+ unsigned int num_ports;
+
+ struct drm_i915_error_waiter {
+ char comm[TASK_COMM_LEN];
+ pid_t pid;
+ u32 seqno;
+ } *waiters;
+
+ struct {
+ u32 gfx_mode;
+ union {
+ u64 pdp[4];
+ u32 pp_dir_base;
+ };
+ } vm_info;
+ } engine[I915_NUM_ENGINES];
+
+ struct drm_i915_error_buffer {
+ u32 size;
+ u32 name;
+ u32 rseqno[I915_NUM_ENGINES], wseqno;
+ u64 gtt_offset;
+ u32 read_domains;
+ u32 write_domain;
+ s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
+ u32 tiling:2;
+ u32 dirty:1;
+ u32 purgeable:1;
+ u32 userptr:1;
+ s32 engine:4;
+ u32 cache_level:3;
+ } *active_bo[I915_NUM_ENGINES], *pinned_bo;
+ u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count;
+ struct i915_address_space *active_vm[I915_NUM_ENGINES];
+};
+
+struct i915_gpu_error {
+ /* For hangcheck timer */
+#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
+#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
+
+ struct delayed_work hangcheck_work;
+
+ /* For reset and error_state handling. */
+ spinlock_t lock;
+ /* Protected by the above dev->gpu_error.lock. */
+ struct i915_gpu_state *first_error;
+
+ atomic_t pending_fb_pin;
+
+ unsigned long missed_irq_rings;
+
+ /**
+ * State variable controlling the reset flow and count
+ *
+ * This is a counter which gets incremented when reset is triggered,
+ *
+ * Before the reset commences, the I915_RESET_BACKOFF bit is set
+ * meaning that any waiters holding onto the struct_mutex should
+ * relinquish the lock immediately in order for the reset to start.
+ *
+ * If reset is not completed successfully, the I915_WEDGE bit is
+ * set meaning that hardware is terminally sour and there is no
+ * recovery. All waiters on the reset_queue will be woken when
+ * that happens.
+ *
+ * This counter is used by the wait_seqno code to notice that reset
+ * event happened and it needs to restart the entire ioctl (since most
+ * likely the seqno it waited for won't ever signal anytime soon).
+ *
+ * This is important for lock-free wait paths, where no contended lock
+ * naturally enforces the correct ordering between the bail-out of the
+ * waiter and the gpu reset work code.
+ */
+ unsigned long reset_count;
+
+ /**
+ * flags: Control various stages of the GPU reset
+ *
+ * #I915_RESET_BACKOFF - When we start a reset, we want to stop any
+ * other users acquiring the struct_mutex. To do this we set the
+ * #I915_RESET_BACKOFF bit in the error flags when we detect a reset
+ * and then check for that bit before acquiring the struct_mutex (in
+ * i915_mutex_lock_interruptible()?). I915_RESET_BACKOFF serves a
+ * secondary role in preventing two concurrent global reset attempts.
+ *
+ * #I915_RESET_HANDOFF - To perform the actual GPU reset, we need the
+ * struct_mutex. We try to acquire the struct_mutex in the reset worker,
+ * but it may be held by some long running waiter (that we cannot
+ * interrupt without causing trouble). Once we are ready to do the GPU
+ * reset, we set the I915_RESET_HANDOFF bit and wakeup any waiters. If
+ * they already hold the struct_mutex and want to participate they can
+ * inspect the bit and do the reset directly, otherwise the worker
+ * waits for the struct_mutex.
+ *
+ * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to
+ * acquire the struct_mutex to reset an engine, we need an explicit
+ * flag to prevent two concurrent reset attempts in the same engine.
+ * As the number of engines continues to grow, allocate the flags from
+ * the most significant bits.
+ *
+ * #I915_WEDGED - If reset fails and we can no longer use the GPU,
+ * we set the #I915_WEDGED bit. Prior to command submission, e.g.
+ * i915_request_alloc(), this bit is checked and the sequence
+ * aborted (with -EIO reported to userspace) if set.
+ */
+ unsigned long flags;
+#define I915_RESET_BACKOFF 0
+#define I915_RESET_HANDOFF 1
+#define I915_RESET_MODESET 2
+#define I915_WEDGED (BITS_PER_LONG - 1)
+#define I915_RESET_ENGINE (I915_WEDGED - I915_NUM_ENGINES)
+
+ /** Number of times an engine has been reset */
+ u32 reset_engine_count[I915_NUM_ENGINES];
+
+ /**
+ * Waitqueue to signal when a hang is detected. Used to for waiters
+ * to release the struct_mutex for the reset to procede.
+ */
+ wait_queue_head_t wait_queue;
+
+ /**
+ * Waitqueue to signal when the reset has completed. Used by clients
+ * that wait for dev_priv->mm.wedged to settle.
+ */
+ wait_queue_head_t reset_queue;
+
+ /* For missed irq/seqno simulation. */
+ unsigned long test_irq_rings;
+};
+
+struct drm_i915_error_state_buf {
+ struct drm_i915_private *i915;
+ unsigned int bytes;
+ unsigned int size;
+ int err;
+ u8 *buf;
+ loff_t start;
+ loff_t pos;
+};
+
+#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
+
+__printf(2, 3)
+void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...);
+int i915_error_state_to_str(struct drm_i915_error_state_buf *estr,
+ const struct i915_gpu_state *gpu);
+int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb,
+ struct drm_i915_private *i915,
+ size_t count, loff_t pos);
+static inline void i915_error_state_buf_release(
+ struct drm_i915_error_state_buf *eb)
+{
+ kfree(eb->buf);
+}
+
+struct i915_gpu_state *i915_capture_gpu_state(struct drm_i915_private *i915);
+void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
+ const char *error_msg);
+
+static inline struct i915_gpu_state *
+i915_gpu_state_get(struct i915_gpu_state *gpu)
+{
+ kref_get(&gpu->ref);
+ return gpu;
+}
+
+void __i915_gpu_state_free(struct kref *kref);
+static inline void i915_gpu_state_put(struct i915_gpu_state *gpu)
+{
+ if (gpu)
+ kref_put(&gpu->ref, __i915_gpu_state_free);
+}
+
+struct i915_gpu_state *i915_first_error_state(struct drm_i915_private *i915);
+void i915_reset_error_state(struct drm_i915_private *i915);
+
+#else
+
+static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
+ const char *error_msg)
+{
+}
+
+static inline struct i915_gpu_state *
+i915_first_error_state(struct drm_i915_private *i915)
+{
+ return NULL;
+}
+
+static inline void i915_reset_error_state(struct drm_i915_private *i915)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) */
+
+#endif /* _I915_GPU_ERROR_H_ */
--
1.9.1
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