diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_cmd_parser.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_cmd_parser.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c index e6f1e93abbbb..3992c25a191d 100644 --- a/drivers/gpu/drm/i915/i915_cmd_parser.c +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c @@ -946,8 +946,8 @@ int intel_engine_init_cmd_parser(struct intel_engine_cs *engine) int cmd_table_count; int ret; - if (!IS_GEN(engine->i915, 7) && !(IS_GEN(engine->i915, 9) && - engine->class == COPY_ENGINE_CLASS)) + if (GRAPHICS_VER(engine->i915) != 7 && !(GRAPHICS_VER(engine->i915) == 9 && + engine->class == COPY_ENGINE_CLASS)) return 0; switch (engine->class) { @@ -977,7 +977,7 @@ int intel_engine_init_cmd_parser(struct intel_engine_cs *engine) break; case COPY_ENGINE_CLASS: engine->get_cmd_length_mask = gen7_blt_get_cmd_length_mask; - if (IS_GEN(engine->i915, 9)) { + if (GRAPHICS_VER(engine->i915) == 9) { cmd_tables = gen9_blt_cmd_table; cmd_table_count = ARRAY_SIZE(gen9_blt_cmd_table); engine->get_cmd_length_mask = @@ -993,7 +993,7 @@ int intel_engine_init_cmd_parser(struct intel_engine_cs *engine) cmd_table_count = ARRAY_SIZE(gen7_blt_cmd_table); } - if (IS_GEN(engine->i915, 9)) { + if (GRAPHICS_VER(engine->i915) == 9) { engine->reg_tables = gen9_blt_reg_tables; engine->reg_table_count = ARRAY_SIZE(gen9_blt_reg_tables); @@ -1369,6 +1369,20 @@ static int check_bbstart(u32 *cmd, u32 offset, u32 length, return 0; } +/** + * intel_engine_cmd_parser_alloc_jump_whitelist() - preallocate jump whitelist for intel_engine_cmd_parser() + * @batch_length: length of the commands in batch_obj + * @trampoline: Whether jump trampolines are used. + * + * Preallocates a jump whitelist for parsing the cmd buffer in intel_engine_cmd_parser(). + * This has to be preallocated, because the command parser runs in signaling context, + * and may not allocate any memory. + * + * Return: NULL or pointer to a jump whitelist, or ERR_PTR() on failure. Use + * IS_ERR() to check for errors. Must bre freed() with kfree(). + * + * NULL is a valid value, meaning no allocation was required. + */ unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, bool trampoline) { @@ -1401,7 +1415,9 @@ unsigned long *intel_engine_cmd_parser_alloc_jump_whitelist(u32 batch_length, * @batch_offset: byte offset in the batch at which execution starts * @batch_length: length of the commands in batch_obj * @shadow: validated copy of the batch buffer in question - * @trampoline: whether to emit a conditional trampoline at the end of the batch + * @jump_whitelist: buffer preallocated with intel_engine_cmd_parser_alloc_jump_whitelist() + * @shadow_map: mapping to @shadow vma + * @batch_map: mapping to @batch vma * * Parses the specified batch buffer looking for privilege violations as * described in the overview. @@ -1521,7 +1537,7 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, if (IS_HASWELL(engine->i915)) flags = MI_BATCH_NON_SECURE_HSW; - GEM_BUG_ON(!IS_GEN_RANGE(engine->i915, 6, 7)); + GEM_BUG_ON(!IS_GRAPHICS_VER(engine->i915, 6, 7)); __gen6_emit_bb_start(batch_end, batch_addr, flags); |