* [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits
@ 2025-09-15 13:31 Alex Deucher
2025-09-15 13:31 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
` (3 more replies)
0 siblings, 4 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-15 13:31 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 4.4.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index f38004e6064e5..627c4bef443b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2597,18 +2597,31 @@ static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 22,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 22,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
+};
+
+static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = {
+ .copy_max_bytes = 1 << 30,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
+
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
};
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
- adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
+ if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= IP_VERSION(4, 4, 0))
+ adev->mman.buffer_funcs = &sdma_v4_4_buffer_funcs;
+ else
+ adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 2/5] drm/amdgpu/sdma4.4: adjust SDMA limits
2025-09-15 13:31 [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits Alex Deucher
@ 2025-09-15 13:31 ` Alex Deucher
2025-09-15 13:31 ` [PATCH 3/5] drm/amdgpu/sdma5.2: " Alex Deucher
` (2 subsequent siblings)
3 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-15 13:31 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 4.4.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 36b1ca73c2ed3..b95afb4afd032 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -2298,11 +2298,11 @@ static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 30,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 3/5] drm/amdgpu/sdma5.2: adjust SDMA limits
2025-09-15 13:31 [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits Alex Deucher
2025-09-15 13:31 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
@ 2025-09-15 13:31 ` Alex Deucher
2025-09-15 13:32 ` [PATCH 4/5] drm/amdgpu/sdma6.0: " Alex Deucher
2025-09-15 13:32 ` [PATCH 5/5] drm/amdgpu/sdma7.0: " Alex Deucher
3 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-15 13:31 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 5.2.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
v3: align const fill with PAL limits
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index a8e39df29f343..d3b2ac5813383 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -2065,11 +2065,11 @@ static void sdma_v5_2_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v5_2_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 30,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v5_2_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 22, /* HW supports 1 << 30, but align with PAL for consistency */
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v5_2_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 4/5] drm/amdgpu/sdma6.0: adjust SDMA limits
2025-09-15 13:31 [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits Alex Deucher
2025-09-15 13:31 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
2025-09-15 13:31 ` [PATCH 3/5] drm/amdgpu/sdma5.2: " Alex Deucher
@ 2025-09-15 13:32 ` Alex Deucher
2025-09-15 13:32 ` [PATCH 5/5] drm/amdgpu/sdma7.0: " Alex Deucher
3 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-15 13:32 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 6.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
index db6e41967f126..032cabd8fa8d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
@@ -1873,11 +1873,11 @@ static void sdma_v6_0_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v6_0_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 30,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v6_0_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v6_0_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 5/5] drm/amdgpu/sdma7.0: adjust SDMA limits
2025-09-15 13:31 [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits Alex Deucher
` (2 preceding siblings ...)
2025-09-15 13:32 ` [PATCH 4/5] drm/amdgpu/sdma6.0: " Alex Deucher
@ 2025-09-15 13:32 ` Alex Deucher
3 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-15 13:32 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 7.0 has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
index 326ecc8d37d21..cb5a9daed63ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
@@ -1816,10 +1816,10 @@ static void sdma_v7_0_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v7_0_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 30,
.copy_num_dw = 8,
.emit_copy_buffer = sdma_v7_0_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v7_0_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits
@ 2025-09-11 17:24 Alex Deucher
2025-09-11 17:24 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
0 siblings, 1 reply; 7+ messages in thread
From: Alex Deucher @ 2025-09-11 17:24 UTC (permalink / raw)
To: amd-gfx; +Cc: christian.koenig, Alex Deucher
SDMA 4.4.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index f38004e6064e5..627c4bef443b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2597,18 +2597,31 @@ static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 22,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 22,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
+};
+
+static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = {
+ .copy_max_bytes = 1 << 30,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
+
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
};
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
- adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
+ if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= IP_VERSION(4, 4, 0))
+ adev->mman.buffer_funcs = &sdma_v4_4_buffer_funcs;
+ else
+ adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 2/5] drm/amdgpu/sdma4.4: adjust SDMA limits
2025-09-11 17:24 [PATCH 1/5] drm/amdgpu/sdma4.0: " Alex Deucher
@ 2025-09-11 17:24 ` Alex Deucher
0 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-11 17:24 UTC (permalink / raw)
To: amd-gfx; +Cc: christian.koenig, Alex Deucher
SDMA 4.4.x has increased transfer limits.
v2: fix harder, use shifts to make it more obvious
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 36b1ca73c2ed3..b95afb4afd032 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -2298,11 +2298,11 @@ static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 1 << 30,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 1 << 30,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits
@ 2025-09-11 14:46 Alex Deucher
2025-09-11 14:46 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
0 siblings, 1 reply; 7+ messages in thread
From: Alex Deucher @ 2025-09-11 14:46 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 4.4.x has increased transfer limits.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index f38004e6064e5..cb6e6257c8fbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2606,9 +2606,22 @@ static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
};
+static const struct amdgpu_buffer_funcs sdma_v4_4_buffer_funcs = {
+ .copy_max_bytes = 0x4000000,
+ .copy_num_dw = 7,
+ .emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
+
+ .fill_max_bytes = 0x4000000,
+ .fill_num_dw = 5,
+ .emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
+};
+
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
- adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
+ if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) >= IP_VERSION(4, 4, 0))
+ adev->mman.buffer_funcs = &sdma_v4_4_buffer_funcs;
+ else
+ adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH 2/5] drm/amdgpu/sdma4.4: adjust SDMA limits
2025-09-11 14:46 [PATCH 1/5] drm/amdgpu/sdma4.0: " Alex Deucher
@ 2025-09-11 14:46 ` Alex Deucher
0 siblings, 0 replies; 7+ messages in thread
From: Alex Deucher @ 2025-09-11 14:46 UTC (permalink / raw)
To: amd-gfx; +Cc: Alex Deucher
SDMA 4.4.x has increased transfer limits.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 36b1ca73c2ed3..35b8856ba8f2a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -2298,11 +2298,11 @@ static void sdma_v4_4_2_emit_fill_buffer(struct amdgpu_ib *ib,
}
static const struct amdgpu_buffer_funcs sdma_v4_4_2_buffer_funcs = {
- .copy_max_bytes = 0x400000,
+ .copy_max_bytes = 0x4000000,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_4_2_emit_copy_buffer,
- .fill_max_bytes = 0x400000,
+ .fill_max_bytes = 0x4000000,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_4_2_emit_fill_buffer,
};
--
2.51.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
end of thread, other threads:[~2025-09-15 13:32 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
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2025-09-15 13:31 [PATCH 1/5] drm/amdgpu/sdma4.0: adjust SDMA limits Alex Deucher
2025-09-15 13:31 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
2025-09-15 13:31 ` [PATCH 3/5] drm/amdgpu/sdma5.2: " Alex Deucher
2025-09-15 13:32 ` [PATCH 4/5] drm/amdgpu/sdma6.0: " Alex Deucher
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2025-09-11 17:24 [PATCH 1/5] drm/amdgpu/sdma4.0: " Alex Deucher
2025-09-11 17:24 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
2025-09-11 14:46 [PATCH 1/5] drm/amdgpu/sdma4.0: " Alex Deucher
2025-09-11 14:46 ` [PATCH 2/5] drm/amdgpu/sdma4.4: " Alex Deucher
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