[CI] drm/i915/selftests: Check a few more fixed locations within the context image

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As we use hard coded offsets for a few locations within the context
image, include those in the selftests to assert that they are valid.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/selftest_lrc.c | 27 +++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index ba7fc4397bd9..9507d750ae14 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -3194,10 +3194,35 @@ static int live_lrc_fixed(void *arg)
 			u32 offset;
 			const char *name;
 		} tbl[] = {
+			{
+				i915_mmio_reg_offset(RING_START(engine->mmio_base)),
+				CTX_RING_BUFFER_START - 1,
+				"RING_START"
+			},
+			{
+				i915_mmio_reg_offset(RING_CTL(engine->mmio_base)),
+				CTX_RING_BUFFER_CONTROL - 1,
+				"RING_CTL"
+			},
+			{
+				i915_mmio_reg_offset(RING_HEAD(engine->mmio_base)),
+				CTX_RING_HEAD - 1,
+				"RING_HEAD"
+			},
+			{
+				i915_mmio_reg_offset(RING_TAIL(engine->mmio_base)),
+				CTX_RING_TAIL - 1,
+				"RING_TAIL"
+			},
 			{
 				i915_mmio_reg_offset(RING_MI_MODE(engine->mmio_base)),
 				lrc_ring_mi_mode(engine),
-				"RING_MI_MODE",
+				"RING_MI_MODE"
+			},
+			{
+				engine->mmio_base + 0x110,
+				CTX_BB_STATE - 1,
+				"BB_STATE"
 			},
 			{ },
 		}, *t;
-- 
2.24.0.rc1

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