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>
---
drivers/gpu/drm/i915/gt/selftest_lrc.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index ba7fc4397bd9..5e90fc127be6 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -3194,6 +3194,26 @@ 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),
--
2.24.0.rc1
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