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drm/lima: save task info dump when task fail

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Save all information to start a task which can be exported to user
for debug usage. Dump file data format is specified in lima_dump.h

v2:
Add include header to address build robot complain.

Tested-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200307134423.24329-1-yuq825@gmail.com
This commit is contained in:
Qiang Yu
2020-03-07 21:44:23 +08:00
parent c67a3d4f68
commit b78edd46f6
5 changed files with 235 additions and 0 deletions
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8
drivers/gpu/drm/lima/lima_device.h
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@@ -6,8 +6,11 @@
#include <drm/drm_device.h>
#include <linux/delay.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include "lima_sched.h"
#include "lima_dump.h"
enum lima_gpu_id {
lima_gpu_mali400 = 0,
@@ -94,6 +97,11 @@ struct lima_device {
u32 *dlbu_cpu;
dma_addr_t dlbu_dma;
/* debug info */
struct lima_dump_head dump;
struct list_head error_task_list;
struct mutex error_task_list_lock;
};
static inline struct lima_device *