Allow batch buffers to read their own _local_ cumulative HW runtime of
their logical context.
Fixes: 0f2f39758341 ("drm/i915: Add gen9 BCS cmdparsing")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v5.4+
---
drivers/gpu/drm/i915/i915_cmd_parser.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index 189b573d02be..372354d33f55 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -572,6 +572,9 @@ struct drm_i915_reg_descriptor {
#define REG32(_reg, ...) \
{ .addr = (_reg), __VA_ARGS__ }
+#define REG32_IDX(_reg, idx) \
+ { .addr = _reg(idx) }
+
/*
* Convenience macro for adding 64-bit registers.
*
@@ -669,6 +672,7 @@ static const struct drm_i915_reg_descriptor gen9_blt_regs[] = {
REG64_IDX(RING_TIMESTAMP, BSD_RING_BASE),
REG32(BCS_SWCTRL),
REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE),
+ REG32_IDX(RING_CTX_TIMESTAMP, BLT_RING_BASE),
REG64_IDX(BCS_GPR, 0),
REG64_IDX(BCS_GPR, 1),
REG64_IDX(BCS_GPR, 2),
--
2.20.1
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