2 * Copyright © 2012 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 #include "main/context.h"
27 #include "brw_context.h"
30 * Query information about GPU resets observed by this context
32 * Called via \c dd_function_table::GetGraphicsResetStatus.
35 brw_get_graphics_reset_status(struct gl_context
*ctx
)
37 struct brw_context
*brw
= brw_context(ctx
);
38 __DRIscreen
*dri_screen
= brw
->screen
->driScrnPriv
;
39 struct drm_i915_reset_stats stats
= { .ctx_id
= brw
->hw_ctx
};
41 /* If hardware contexts are not being used (or
42 * DRM_IOCTL_I915_GET_RESET_STATS is not supported), this function should
45 assert(brw
->hw_ctx
!= 0);
47 /* A reset status other than NO_ERROR was returned last time. I915 returns
48 * nonzero active/pending only if reset has been encountered and completed.
49 * Return NO_ERROR from now on.
51 if (brw
->reset_count
!= 0)
54 if (drmIoctl(dri_screen
->fd
, DRM_IOCTL_I915_GET_RESET_STATS
, &stats
) != 0)
57 /* A reset was observed while a batch from this context was executing.
58 * Assume that this context was at fault.
60 if (stats
.batch_active
!= 0) {
61 brw
->reset_count
= stats
.reset_count
;
62 return GL_GUILTY_CONTEXT_RESET_ARB
;
65 /* A reset was observed while a batch from this context was in progress,
66 * but the batch was not executing. In this case, assume that the context
69 if (stats
.batch_pending
!= 0) {
70 brw
->reset_count
= stats
.reset_count
;
71 return GL_INNOCENT_CONTEXT_RESET_ARB
;
78 brw_check_for_reset(struct brw_context
*brw
)
80 __DRIscreen
*dri_screen
= brw
->screen
->driScrnPriv
;
81 struct drm_i915_reset_stats stats
= { .ctx_id
= brw
->hw_ctx
};
83 if (drmIoctl(dri_screen
->fd
, DRM_IOCTL_I915_GET_RESET_STATS
, &stats
) != 0)
86 if (stats
.batch_active
> 0 || stats
.batch_pending
> 0)
87 _mesa_set_context_lost_dispatch(&brw
->ctx
);