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authorChris Wilson <chris@chris-wilson.co.uk>2020-07-02 17:36:22 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2020-07-02 20:46:08 +0100
commitcb2baf42dcec630acc15f9ff2f8c09c8b70b03da (patch)
treeb4f373cc685b8f6634efad3fa0cd5cf4c8d0ce2e /drivers/gpu
parent7801f3b792b0fd171b02f2cb974e758295e68e0f (diff)
drm/i915/gem: Only revoke the GGTT mmappings on aperture detiling changes
Only a GGTT mmapping will use the aperture detiling registers, so on a tiling change for an object, we only need to revoke those mmappings and not the CPU mmappings (which are always linear irrespective of the tiling). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200702163623.6402-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_mman.c2
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_mman.h5
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_tiling.c2
3 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index fe27c5b344e3..7c2650cfb070 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -448,7 +448,7 @@ void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj)
* mapping will then trigger a page fault on the next user access, allowing
* fixup by vm_fault_gtt().
*/
-static void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj)
+void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *i915 = to_i915(obj->base.dev);
intel_wakeref_t wakeref;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.h b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
index 862e01b7cb69..7c5ccdf59359 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
@@ -24,8 +24,11 @@ int i915_gem_dumb_mmap_offset(struct drm_file *file_priv,
struct drm_device *dev,
u32 handle, u64 *offset);
-void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
void i915_gem_object_release_mmap(struct drm_i915_gem_object *obj);
+
+void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
+void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
+
void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj);
#endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
index 0158e49bf9bb..ff72ee2fd9cd 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
@@ -299,7 +299,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
i915_gem_object_unlock(obj);
/* Force the fence to be reacquired for GTT access */
- i915_gem_object_release_mmap(obj);
+ i915_gem_object_release_mmap_gtt(obj);
/* Try to preallocate memory required to save swizzling on put-pages */
if (i915_gem_object_needs_bit17_swizzle(obj)) {