[Intel-gfx] [PATCH v3] drm/i915: Create dumb buffer from LMEM

[Ramalingam C]

When LMEM is supported, dumb buffer preferred to be created from LMEM.

v2:
  Parameters are reshuffled. [Chris]
v3:
  s/region_id/mem_type

Signed-off-by: Ramalingam C <ramalinga...@intel.com>
cc: Matthew Auld <matthew.a...@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 143a8952b736..db72af98905f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -44,6 +44,7 @@
 #include "gem/i915_gem_clflush.h"
 #include "gem/i915_gem_context.h"
 #include "gem/i915_gem_ioctls.h"
+#include "gem/i915_gem_lmem.h"
 #include "gem/i915_gem_pm.h"
 #include "gt/intel_engine_user.h"
 #include "gt/intel_gt.h"
@@ -175,6 +176,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
 static int
 i915_gem_create(struct drm_file *file,
                struct drm_i915_private *dev_priv,
+               enum intel_memory_type mem_type,
                u64 *size_p,
                u32 *handle_p)
 {
@@ -188,7 +190,11 @@ i915_gem_create(struct drm_file *file,
                return -EINVAL;
 
        /* Allocate the new object */
-       obj = i915_gem_object_create_shmem(dev_priv, size);
+       if (mem_type == INTEL_MEMORY_LOCAL)
+               obj = i915_gem_object_create_lmem(dev_priv, size, 0);
+       else
+               obj = i915_gem_object_create_shmem(dev_priv, size);
+
        if (IS_ERR(obj))
                return PTR_ERR(obj);
 
@@ -208,6 +214,7 @@ i915_gem_dumb_create(struct drm_file *file,
                     struct drm_device *dev,
                     struct drm_mode_create_dumb *args)
 {
+       enum intel_memory_type mem_type = INTEL_MEMORY_SYSTEM;
        int cpp = DIV_ROUND_UP(args->bpp, 8);
        u32 format;
 
@@ -234,7 +241,11 @@ i915_gem_dumb_create(struct drm_file *file,
                args->pitch = ALIGN(args->pitch, 4096);
 
        args->size = args->pitch * args->height;
-       return i915_gem_create(file, to_i915(dev),
+
+       if (HAS_LMEM(to_i915(dev)))
+               mem_type = INTEL_MEMORY_LOCAL;
+
+       return i915_gem_create(file, to_i915(dev), mem_type,
                               &args->size, &args->handle);
 }
 
@@ -253,7 +264,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
 
        i915_gem_flush_free_objects(dev_priv);
 
-       return i915_gem_create(file, dev_priv,
+       return i915_gem_create(file, dev_priv, INTEL_MEMORY_SYSTEM,
                               &args->size, &args->handle);
 }
 
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx