RE: [PATCH] drm/amd/pm: enable ASPM on navi1x

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[AMD Public Use]

* The ASPM function is not fully enabled and verified on
 	 * Navi yet. Temporarily skip this until ASPM enabled.
 	 */

The comments needs to be adjusted as well?

Regards,
Guchun

-----Original Message-----
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Kenneth Feng
Sent: Thursday, April 8, 2021 5:33 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Feng, Kenneth <Kenneth.Feng@xxxxxxx>
Subject: [PATCH] drm/amd/pm: enable ASPM on navi1x

ASPM can be verified funtionally on navi1x.
And can be enabled for the benefit of the power consumption without the performance hurt.

Signed-off-by: Kenneth Feng <kenneth.feng@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/nv.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 46d4bbabce75..5edab56c6ab0 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -601,8 +601,7 @@ static void nv_program_aspm(struct amdgpu_device *adev)
 	if (amdgpu_aspm != 1)
 		return;
 
-	if ((adev->asic_type >= CHIP_SIENNA_CICHLID) &&
-	    !(adev->flags & AMD_IS_APU) &&
+	if (!(adev->flags & AMD_IS_APU) &&
 	    (adev->nbio.funcs->program_aspm))
 		adev->nbio.funcs->program_aspm(adev);
 
@@ -938,8 +937,7 @@ static int nv_update_umd_stable_pstate(struct amdgpu_device *adev,
 	 * The ASPM function is not fully enabled and verified on
 	 * Navi yet. Temporarily skip this until ASPM enabled.
 	 */
-	if ((adev->asic_type >= CHIP_SIENNA_CICHLID) &&
-	    !(adev->flags & AMD_IS_APU) &&
+	if (!(adev->flags & AMD_IS_APU) &&
 	    (adev->nbio.funcs->enable_aspm))
 		adev->nbio.funcs->enable_aspm(adev, !enter);
 
--
2.17.1

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