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From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>,
	Matthew Auld <matthew.auld@intel.com>
Subject: [PATCH 1/3] drm/i915: Create dumb buffer from LMEM
Date: Thu, 26 Sep 2019 10:51:33 +0530	[thread overview]
Message-ID: <20190926052135.29911-1-ramalingam.c@intel.com> (raw)

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

This is developed on top of v3 LMEM series
https://patchwork.freedesktop.org/series/56683/.

v2:
  Parameters are reshuffled. [Chris]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
cc: Matthew Auld <matthew.auld@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e458507b1558..6810a549ee98 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"
@@ -160,6 +161,7 @@ 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_region_id mem_region,
 		u64 *size_p,
 		u32 *handle_p)
 {
@@ -173,7 +175,12 @@ i915_gem_create(struct drm_file *file,
 		return -EINVAL;
 
 	/* Allocate the new object */
-	obj = i915_gem_object_create_shmem(dev_priv, size);
+	if (mem_region == INTEL_MEMORY_LMEM)
+		obj = i915_gem_object_create_lmem(dev_priv, size, 0);
+	else if (mem_region == INTEL_MEMORY_STOLEN)
+		obj = i915_gem_object_create_stolen(dev_priv, size);
+	else
+		obj = i915_gem_object_create_shmem(dev_priv, size);
 	if (IS_ERR(obj))
 		return PTR_ERR(obj);
 
@@ -193,6 +200,7 @@ i915_gem_dumb_create(struct drm_file *file,
 		     struct drm_device *dev,
 		     struct drm_mode_create_dumb *args)
 {
+	enum intel_region_id mem_region = INTEL_MEMORY_UKNOWN;
 	int cpp = DIV_ROUND_UP(args->bpp, 8);
 	u32 format;
 
@@ -219,7 +227,11 @@ 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_region = INTEL_MEMORY_LMEM;
+
+	return i915_gem_create(file, to_i915(dev), mem_region,
 			       &args->size, &args->handle);
 }
 
@@ -238,7 +250,7 @@ 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_UKNOWN,
 			       &args->size, &args->handle);
 }
 
-- 
2.20.1

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             reply	other threads:[~2019-09-26  5:21 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-26  5:21 Ramalingam C [this message]
2019-09-26  5:21 ` [PATCH 2/3] drm/i915: Allowed memory region for GEM obj Ramalingam C
2019-09-26  7:23   ` Chris Wilson
2019-09-27  9:08   ` [PATCH v2 " Ramalingam C
2019-09-26  5:21 ` [PATCH 3/3] drm/i915: FB backing gem obj should reside in LMEM Ramalingam C
2019-09-26  8:53   ` Tvrtko Ursulin
2019-09-26  9:13     ` Chris Wilson
2019-09-27  9:12       ` Ramalingam C
2019-09-27  9:26         ` Chris Wilson
2019-09-27  9:30           ` Ramalingam C
2019-09-26  9:14     ` Ramalingam C
2019-09-26  9:58       ` Tvrtko Ursulin
2019-09-27  9:09   ` [PATCH v2 " Ramalingam C
2019-09-26  8:55 ` [PATCH 1/3] drm/i915: Create dumb buffer from LMEM Tvrtko Ursulin
2019-09-26  9:04   ` Ramalingam C
2019-09-27 10:11 ` ✗ Fi.CI.BUILD: failure for series starting with [1/3] drm/i915: Create dumb buffer from LMEM (rev3) Patchwork

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