Commit 13670f4c authored by Chris Wilson's avatar Chris Wilson
Browse files

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: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191028121803.29408-1-chris@chris-wilson.co.uk
parent e5df52dc

drivers/gpu/drm/i915/gt/selftest_lrc.c

+26 −1
Original line number Diff line number Diff line
@@ -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;