if (IS_GEN(engine->i915, 8))
desc |= GEN8_CTX_L3LLC_COHERENT;
- desc |= i915_ggtt_offset(ce->state) + LRC_HEADER_PAGES * PAGE_SIZE;
- /* bits 12-31 */
+ desc |= i915_ggtt_offset(ce->state); /* bits 12-31 */
/*
* The following 32bits are copied into the OA reports (dword 2).
* Consider updating oa_get_render_ctx_id in i915_perf.c when changing
if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
return;
- vaddr += LRC_HEADER_PAGES * PAGE_SIZE;
vaddr += engine->context_size;
memset(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE);
if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
return;
- vaddr += LRC_HEADER_PAGES * PAGE_SIZE;
vaddr += engine->context_size;
if (memchr_inv(vaddr, POISON_INUSE, I915_GTT_PAGE_SIZE))
set_redzone(vaddr, engine);
if (engine->default_state) {
- /*
- * We only want to copy over the template context state;
- * skipping over the headers reserved for GuC communication,
- * leaving those as zero.
- */
- const unsigned long start = LRC_HEADER_PAGES * PAGE_SIZE;
void *defaults;
defaults = i915_gem_object_pin_map(engine->default_state,
goto err_unpin_ctx;
}
- memcpy(vaddr + start, defaults + start, engine->context_size);
+ memcpy(vaddr, defaults, engine->context_size);
i915_gem_object_unpin_map(engine->default_state);
inhibit = false;
}
ret = 0;
err_unpin_ctx:
- __i915_gem_object_flush_map(ctx_obj,
- LRC_HEADER_PAGES * PAGE_SIZE,
- engine->context_size);
+ __i915_gem_object_flush_map(ctx_obj, 0, engine->context_size);
i915_gem_object_unpin_map(ctx_obj);
return ret;
}
GEM_BUG_ON(ce->state);
context_size = round_up(engine->context_size, I915_GTT_PAGE_SIZE);
- /*
- * Before the actual start of the context image, we insert a few pages
- * for our own use and for sharing with the GuC.
- */
- context_size += LRC_HEADER_PAGES * PAGE_SIZE;
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
context_size += I915_GTT_PAGE_SIZE; /* for redzone */
int intel_execlists_submission_init(struct intel_engine_cs *engine);
/* Logical Ring Contexts */
-
-/*
- * We allocate a header at the start of the context image for our own
- * use, therefore the actual location of the logical state is offset
- * from the start of the VMA. The layout is
- *
- * | [guc] | [hwsp] [logical state] |
- * |<- our header ->|<- context image ->|
- *
- */
-/* The first page is used for sharing data with the GuC */
-#define LRC_GUCSHR_PN (0)
-#define LRC_GUCSHR_SZ (1)
/* At the start of the context image is its per-process HWS page */
-#define LRC_PPHWSP_PN (LRC_GUCSHR_PN + LRC_GUCSHR_SZ)
+#define LRC_PPHWSP_PN (0)
#define LRC_PPHWSP_SZ (1)
-/* Finally we have the logical state for the context */
+/* After the PPHWSP we have the logical state for the context */
#define LRC_STATE_PN (LRC_PPHWSP_PN + LRC_PPHWSP_SZ)
-/*
- * Currently we include the PPHWSP in __intel_engine_context_size() so
- * the size of the header is synonymous with the start of the PPHWSP.
- */
-#define LRC_HEADER_PAGES LRC_PPHWSP_PN
-
/* Space within PPHWSP reserved to be used as scratch */
#define LRC_PPHWSP_SCRATCH 0x34
#define LRC_PPHWSP_SCRATCH_ADDR (LRC_PPHWSP_SCRATCH * sizeof(u32))
return -EFAULT;
}
- page = i915_gem_object_get_page(ctx_obj, LRC_HEADER_PAGES + i);
+ page = i915_gem_object_get_page(ctx_obj, i);
dst = kmap(page);
intel_gvt_hypervisor_read_gpa(vgpu, context_gpa, dst,
I915_GTT_PAGE_SIZE);
return;
}
- page = i915_gem_object_get_page(ctx_obj, LRC_HEADER_PAGES + i);
+ page = i915_gem_object_get_page(ctx_obj, i);
src = kmap(page);
intel_gvt_hypervisor_write_gpa(vgpu, context_gpa, src,
I915_GTT_PAGE_SIZE);