diff mbox series

[2/5,SRU,OEM-5.17] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards

Message ID 20221221072647.8981-3-acelan.kao@canonical.com
State New
Headers show
Series Keeps rebooting with AMD W6400, W6600, and W6800 graphic cards | expand

Commit Message

AceLan Kao Dec. 21, 2022, 7:26 a.m. UTC 
From: Guchun Chen <guchun.chen@amd.com>

BugLink: https://launchpad.net/bugs/2000110

To avoid hardware intermittent failures.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 7bb91228291aa95bfee3b9d5710887673711c74c)
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
---
 .../gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c   | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index c96d57ad47ea9..a32884282f589 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -361,6 +361,17 @@  static void sienna_cichlid_check_bxco_support(struct smu_context *smu)
 		smu_baco->platform_support =
 			(val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true :
 									false;
+
+		/*
+		 * Disable BACO entry/exit completely on below SKUs to
+		 * avoid hardware intermittent failures.
+		 */
+		if (((adev->pdev->device == 0x73A1) &&
+		    (adev->pdev->revision == 0x00)) ||
+		    ((adev->pdev->device == 0x73BF) &&
+		    (adev->pdev->revision == 0xCF)))
+			smu_baco->platform_support = false;
+
 	}
 }