From c71721324c612f7f040657ce9917d87f530f9784 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 19 Oct 2012 13:27:04 -0400
Subject: [PATCH] drm/radeon: add error output if VM CS fails on cayman
So we know why the CS was rejected.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/radeon/evergreen_cs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 573ed1bc6cf7d..30271b641913f 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2829,6 +2829,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
case CAYMAN_SQ_EX_ALLOC_TABLE_SLOTS:
return true;
default:
+ DRM_ERROR("Invalid register 0x%x in CS\n", reg);
return false;
}
}
--
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