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intel/decoders: read ring buffer length

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Use this value to limit reading the ring buffer.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Toni Lönnberg <toni.lonnberg@intel.com>
This commit is contained in:
Lionel Landwerlin 2018-11-09 16:49:10 +00:00
parent 1c56d21156
commit 25443cbb72
2 changed files with 5 additions and 2 deletions
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4
src/intel/tools/aubinator.c
View file

@ -142,6 +142,7 @@ handle_execlist_write(void *user_data, enum drm_i915_gem_engine_class engine, ui
uint32_t ring_buffer_head = context[5];
uint32_t ring_buffer_tail = context[7];
uint32_t ring_buffer_start = context[9];
uint32_t ring_buffer_length = (context[11] & 0x1ff000) + 4096;
mem.pml4 = (uint64_t)context[49] << 32 | context[51];
batch_ctx.user_data = &mem;
@ -158,7 +159,8 @@ handle_execlist_write(void *user_data, enum drm_i915_gem_engine_class engine, ui
}
batch_ctx.engine = engine;
gen_print_batch(&batch_ctx, commands, ring_buffer_tail - ring_buffer_head,
gen_print_batch(&batch_ctx, commands,
MIN2(ring_buffer_tail - ring_buffer_head, ring_buffer_length),
0);
aub_mem_clear_bo_maps(&mem);
}

3
src/intel/tools/aubinator_viewer.cpp
View file

@ -723,6 +723,7 @@ display_batch_execlist_write(void *user_data,
uint32_t ring_buffer_head = context_img[5];
uint32_t ring_buffer_tail = context_img[7];
uint32_t ring_buffer_start = context_img[9];
uint32_t ring_buffer_length = (context_img[11] & 0x1ff000) + 4096;
window->mem.pml4 = (uint64_t)context_img[49] << 32 | context_img[51];
@ -735,7 +736,7 @@ display_batch_execlist_write(void *user_data,
window->decode_ctx.engine = engine;
aub_viewer_render_batch(&window->decode_ctx, commands,
ring_buffer_tail - ring_buffer_head,
MIN2(ring_buffer_tail - ring_buffer_head, ring_buffer_length),
ring_buffer_start);
}