From: Alex Deucher <alexander.deucher@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH] drm/amdgpu/pm: update documentation on memory clock
Date: Thu, 2 May 2024 16:22:16 -0400 [thread overview]
Message-ID: <20240502202216.3385044-1-alexander.deucher@amd.com> (raw)
Update documentation for RDNA3 dGPUs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index ec9058c80647a..9ad114e695e5d 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -610,12 +610,18 @@ static ssize_t amdgpu_set_pp_table(struct device *dev,
*
* Clock conversion (Mhz):
*
+ * Pre-RDNA3 GPUs:
+ *
* HBM: effective_memory_clock = memory_controller_clock * 1
*
* G5: effective_memory_clock = memory_controller_clock * 1
*
* G6: effective_memory_clock = memory_controller_clock * 2
*
+ * RDNA3 GPUs:
+ *
+ * G6: effective_memory_clock = memory_controller_clock * 1
+ *
* DRAM data rate (MT/s):
*
* HBM: effective_memory_clock * 2 = data_rate
--
2.44.0
next reply other threads:[~2024-05-02 20:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-02 20:22 Alex Deucher [this message]
2024-05-13 20:46 ` [PATCH] drm/amdgpu/pm: update documentation on memory clock Alex Deucher
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