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

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@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191028121803.29408-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-10-28 12:18:03 +00:00
parent e5df52dcf8
commit 13670f4ce9
1 changed files with 26 additions and 1 deletions
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27
drivers/gpu/drm/i915/gt/selftest_lrc.c
View File

@ -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;