From 13670f4ce9169ddc6793e243635f8400e74bbbf7 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 28 Oct 2019 12:18:03 +0000 Subject: [PATCH] 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 Cc: Mika Kuoppala Reviewed-by: Joonas Lahtinen Link: https://patchwork.freedesktop.org/patch/msgid/20191028121803.29408-1-chris@chris-wilson.co.uk --- 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;