From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 1/2] drm/amdgpu: track MQD size for gfx and compute
Date: Tue, 21 Mar 2023 15:39:21 -0400 [thread overview]
Message-ID: <20230321193922.2029808-1-alexander.deucher@amd.com> (raw)
It varies by generation and we need to know the size
to expose this via debugfs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index c50d59855011..5435f41a3b7f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -404,6 +404,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
return r;
}
+ ring->mqd_size = mqd_size;
/* prepare MQD backup */
adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
if (!adev->gfx.me.mqd_backup[i])
@@ -424,6 +425,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev,
return r;
}
+ ring->mqd_size = mqd_size;
/* prepare MQD backup */
adev->gfx.mec.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);
if (!adev->gfx.mec.mqd_backup[i])
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 7942cb62e52c..deb9f7bead02 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -257,6 +257,7 @@ struct amdgpu_ring {
struct amdgpu_bo *mqd_obj;
uint64_t mqd_gpu_addr;
void *mqd_ptr;
+ unsigned mqd_size;
uint64_t eop_gpu_addr;
u32 doorbell_index;
bool use_doorbell;
--
2.39.2
next reply other threads:[~2023-03-21 19:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-21 19:39 Alex Deucher [this message]
2023-03-21 19:39 ` [PATCH 2/2] drm/amdgpu: add debugfs interface for reading MQDs Alex Deucher
2023-03-22 8:48 ` [PATCH 1/2] drm/amdgpu: track MQD size for gfx and compute Christian König
2023-03-22 13:26 ` Alex Deucher
2023-03-22 13:58 ` Christian König
2023-03-22 14:34 ` Felix Kuehling
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=20230321193922.2029808-1-alexander.deucher@amd.com \
--to=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
/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;
as well as URLs for NNTP newsgroup(s).