From: Evan Quan <evan.quan@amd.com>
Date: Fri, 18 Sep 2020 02:31:14 +0000 (+0800)
Subject: drm/amd/pm: apply dummy reads workaround for CDR enabled only
X-Git-Tag: v5.10.7~1332^2~18^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e491214613ffe52516df623d81e06e6999bbaaed;p=platform%2Fkernel%2Flinux-rpi.git

drm/amd/pm: apply dummy reads workaround for CDR enabled only

For CDR disabled case, the dummy reads workaround is not needed.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index a027c7f..846c9c9 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -2303,10 +2303,12 @@ static int navi10_run_umc_cdr_workaround(struct smu_context *smu)
 		if (umc_fw_greater_than_v136)
 			return 0;
 
-		if (umc_fw_disable_cdr && adev->asic_type == CHIP_NAVI10)
-			return navi10_umc_hybrid_cdr_workaround(smu);
-		else
+		if (umc_fw_disable_cdr) {
+			if (adev->asic_type == CHIP_NAVI10)
+				return navi10_umc_hybrid_cdr_workaround(smu);
+		} else {
 			return navi10_set_dummy_pstates_table_location(smu);
+		}
 	} else {
 		if (adev->asic_type == CHIP_NAVI10)
 			return navi10_umc_hybrid_cdr_workaround(smu);