[PATCH 213/270] drm/radeon: add error output if VM CS fails on cayman

Herton Ronaldo Krzesinski herton.krzesinski at canonical.com
Mon Nov 26 16:58:23 UTC 2012

3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.


From: Alex Deucher <alexander.deucher at amd.com>

commit c71721324c612f7f040657ce9917d87f530f9784 upstream.

So we know why the CS was rejected.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
 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 f2e5c54..49231aa 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2777,6 +2777,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
 		return true;
+		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
 		return false;

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