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authorShuicheng Lin <shuicheng.lin@intel.com>2025-07-08 02:14:51 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-07-17 18:37:19 +0200
commit90d0d5a439f5f1651b4be12aafacdc7cb382b873 (patch)
treee902aa1dcf975bccc7108a812113bdc66fc1fa6e
parentec4014566377509cacde4f59f89e11dedc621000 (diff)
drm/xe/pm: Correct comment of xe_pm_set_vram_threshold()
[ Upstream commit 0539c5eaf81f3f844213bf6b3137a53e5b04b083 ] The parameter threshold is with size in MiB, not in bits. Correct it to avoid any confusion. v2: s/mb/MiB, s/vram/VRAM, fix return section. (Michal) Fixes: 30c399529f4c ("drm/xe: Document Xe PM component") Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com> Link: https://lore.kernel.org/r/20250708021450.3602087-2-shuicheng.lin@intel.com Reviewed-by: Stuart Summers <stuart.summers@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> (cherry picked from commit 0efec0500117947f924e5ac83be40f96378af85a) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/xe/xe_pm.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index 06f50aa31326..46c73ff10c74 100644
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -682,11 +682,13 @@ void xe_pm_assert_unbounded_bridge(struct xe_device *xe)
}
/**
- * xe_pm_set_vram_threshold - Set a vram threshold for allowing/blocking D3Cold
+ * xe_pm_set_vram_threshold - Set a VRAM threshold for allowing/blocking D3Cold
* @xe: xe device instance
- * @threshold: VRAM size in bites for the D3cold threshold
+ * @threshold: VRAM size in MiB for the D3cold threshold
*
- * Returns 0 for success, negative error code otherwise.
+ * Return:
+ * * 0 - success
+ * * -EINVAL - invalid argument
*/
int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold)
{