From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 1/4] drm/amdgpu: add SDMA process quantum settings
Date: Wed, 18 Mar 2026 10:10:09 -0400 [thread overview]
Message-ID: <20260318141012.583021-1-alexander.deucher@amd.com> (raw)
Will be used for programming the engine quantums.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
index 2bf365609775a..c0424e00ac591 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -28,6 +28,12 @@
/* max number of IP instances */
#define AMDGPU_MAX_SDMA_INSTANCES 16
+/* value * 100us */
+#define AMDGPU_SDMA_CONTEXT_QUANTUM 2
+#define AMDGPU_SDMA_FOCUS_QUANTUM 4
+#define AMDGPU_SDMA_NORMAL_QUANTUM 4
+#define AMDGPU_SDMA_PROCESS_QUANTUM 4
+
enum amdgpu_sdma_irq {
AMDGPU_SDMA_IRQ_INSTANCE0 = 0,
AMDGPU_SDMA_IRQ_INSTANCE1,
--
2.53.0
next reply other threads:[~2026-03-18 14:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-18 14:10 Alex Deucher [this message]
2026-03-18 14:10 ` [PATCH 2/4] drm/amdgpu/sdma6: program quantums Alex Deucher
2026-03-18 14:10 ` [PATCH 3/4] drm/amdgpu/sdma7: " Alex Deucher
2026-03-18 14:10 ` [PATCH 4/4] drm/amdgpu/sdma7.1: " Alex Deucher
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