mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
To: "Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>
Cc: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>,
	<amd-gfx@lists.freedesktop.org>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v7 07/12] amdgpu/gtt: remove AMDGPU_GTT_NUM_TRANSFER_WINDOWS
Date: Thu, 29 Jan 2026 16:33:19 +0100	[thread overview]
Message-ID: <20260129153336.7473-8-pierre-eric.pelloux-prayer@amd.com> (raw)
In-Reply-To: <20260129153336.7473-1-pierre-eric.pelloux-prayer@amd.com>

It's not needed anymore.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 5 +----
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     | 1 -
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index f2e89fb4b666..9b0bcf6aca44 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -324,16 +324,13 @@ int amdgpu_gtt_mgr_init(struct amdgpu_device *adev, uint64_t gtt_size)
 {
 	struct amdgpu_gtt_mgr *mgr = &adev->mman.gtt_mgr;
 	struct ttm_resource_manager *man = &mgr->manager;
-	uint64_t start, size;
 
 	man->use_tt = true;
 	man->func = &amdgpu_gtt_mgr_func;
 
 	ttm_resource_manager_init(man, &adev->mman.bdev, gtt_size);
 
-	start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS;
-	size = (adev->gmc.gart_size >> PAGE_SHIFT) - start;
-	drm_mm_init(&mgr->mm, start, size);
+	drm_mm_init(&mgr->mm, 0, adev->gmc.gart_size >> PAGE_SHIFT);
 	spin_lock_init(&mgr->lock);
 
 	ttm_set_driver_manager(&adev->mman.bdev, TTM_PL_TT, &mgr->manager);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 8af0aab7608c..f927b793c395 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -40,7 +40,6 @@
 #define __AMDGPU_PL_NUM	(TTM_PL_PRIV + 6)
 
 #define AMDGPU_GTT_MAX_TRANSFER_SIZE	512
-#define AMDGPU_GTT_NUM_TRANSFER_WINDOWS	3
 
 extern const struct attribute_group amdgpu_vram_mgr_attr_group;
 extern const struct attribute_group amdgpu_gtt_mgr_attr_group;
-- 
2.43.0


  parent reply	other threads:[~2026-01-29 15:35 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-29 15:33 [PATCH v7 00/12] drm/amdgpu: preparation patchs for the use all SDMA instances series Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 01/12] drm/amdgpu: remove gart_window_lock usage from gmc v12_1 Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 02/12] drm/amdgpu: statically assign gart windows to ttm entities Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 03/12] drm/amdgpu: add amdgpu_ttm_buffer_entity_fini func Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 04/12] drm/amdgpu: add amdgpu_gtt_node_to_byte_offset helper Pierre-Eric Pelloux-Prayer
2026-01-30 12:49   ` Christian König
2026-01-29 15:33 ` [PATCH v7 05/12] amdgpu/vce: use amdgpu_gtt_mgr_alloc_entries Pierre-Eric Pelloux-Prayer
2026-01-30 12:56   ` Christian König
2026-01-29 15:33 ` [PATCH v7 06/12] amdgpu/ttm: " Pierre-Eric Pelloux-Prayer
2026-01-30 14:24   ` Christian König
2026-01-29 15:33 ` Pierre-Eric Pelloux-Prayer [this message]
2026-01-29 15:33 ` [PATCH v7 08/12] drm/amdgpu: add missing lock in amdgpu_benchmark_do_move Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 09/12] drm/amdgpu: check entity lock is held in amdgpu_ttm_job_submit Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 10/12] drm/amdgpu: double AMDGPU_GTT_MAX_TRANSFER_SIZE Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 11/12] drm/amdgpu: introduce amdgpu_sdma_set_vm_pte_scheds Pierre-Eric Pelloux-Prayer
2026-01-29 15:33 ` [PATCH v7 12/12] drm/amdgpu: move sched status check inside amdgpu_ttm_set_buffer_funcs_status Pierre-Eric Pelloux-Prayer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260129153336.7473-8-pierre-eric.pelloux-prayer@amd.com \
    --to=pierre-eric.pelloux-prayer@amd.com \
    --cc=airlied@gmail.com \
    --cc=alexander.deucher@amd.com \
    --cc=amd-gfx@lists.freedesktop.org \
    --cc=christian.koenig@amd.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=simona@ffwll.ch \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®