linux-kernel - [ 02/54] drm/radeon: add error output if VM CS fails on cayman

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Message-Id: <20121029213803.010236471@linuxfoundation.org>
Date:	Mon, 29 Oct 2012 14:40:03 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Alex Deucher <alexander.deucher@....com>
Subject: [ 02/54] drm/radeon: add error output if VM CS fails on cayman

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@....com>

commit c71721324c612f7f040657ce9917d87f530f9784 upstream.

So we know why the CS was rejected.

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

---
 drivers/gpu/drm/radeon/evergreen_cs.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2775,6 +2775,7 @@ static bool evergreen_vm_reg_valid(u32 r
 	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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