[PATCH] drm/amdgpu/pm: update documentation on memory clock

Alex Deucher alexander.deucher at amd.com
Thu May 2 20:22:16 UTC 2024


Update documentation for RDNA3 dGPUs.

Signed-off-by: Alex Deucher <alexander.deucher at 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



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