From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 19 Oct 2012 17:27:04 +0000 (-0400)
Subject: drm/radeon: add error output if VM CS fails on cayman
X-Git-Tag: v3.6.5~100
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7eff2fdcdb9c78d8d2c9e27b223d67b4a9da3a5a;p=karo-tx-linux.git

drm/radeon: add error output if VM CS fails on cayman

commit c71721324c612f7f040657ce9917d87f530f9784 upstream.

So we know why the CS was rejected.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index d883b20f45d2..e932810c9b5a 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;
 	}
 }