From d57d4a1daf5e8393e87244427c9b87dd565bd37c Mon Sep 17 00:00:00 2001 From: CQ Tang Date: Wed, 21 Apr 2021 11:46:55 +0100 Subject: drm/i915: Create stolen memory region from local memory Add "REGION_STOLEN" device info to dg1, create stolen memory region from upper portion of local device memory, starting from DSMBASE. v2: - s/drm_info/drm_dbg; userspace likely doesn't care about stolen. - mem->type is only setup after the region probe, so setting the name as stolen-local or stolen-system based on this value won't work. Split system vs local stolen setup to fix this. - kill all the region->devmem/is_devmem stuff. We already differentiate the different types of stolen so such things shouldn't be needed anymore. v3: - split stolen lmem vs smem ops(Tvrtko) - add shortcut for stolen region in i915(Tvrtko) - sanity check dsm base vs bar size(Xinyun) v4(Tvrtko): - more cleanup - add some TODOs Signed-off-by: CQ Tang Signed-off-by: Matthew Auld Cc: Tvrtko Ursulin Cc: Xinyun Liu Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-1-matthew.auld@intel.com --- drivers/gpu/drm/i915/gem/i915_gem_stolen.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/i915/gem/i915_gem_stolen.h') diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.h b/drivers/gpu/drm/i915/gem/i915_gem_stolen.h index b03489706796..2bec6c367b9c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.h @@ -21,7 +21,8 @@ int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv, u64 end); void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv, struct drm_mm_node *node); -struct intel_memory_region *i915_gem_stolen_setup(struct drm_i915_private *i915); +struct intel_memory_region *i915_gem_stolen_smem_setup(struct drm_i915_private *i915); +struct intel_memory_region *i915_gem_stolen_lmem_setup(struct drm_i915_private *i915); struct drm_i915_gem_object * i915_gem_object_create_stolen(struct drm_i915_private *dev_priv, resource_size_t size); -- cgit