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From: Chris Wilson <chris@chris-wilson.co.uk>
To: intel-gfx@lists.freedesktop.org
Cc: stable@vger.kernel.org, Chris Wilson <chris@chris-wilson.co.uk>
Subject: [Intel-gfx] [PATCH] drm/i915: Whitelist context-local timestamp in the gen9 cmdparser
Date: Mon,  1 Jun 2020 17:19:42 +0100	[thread overview]
Message-ID: <20200601161942.30854-1-chris@chris-wilson.co.uk> (raw)

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@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: <stable@vger.kernel.org> # 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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             reply	other threads:[~2020-06-01 16:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-01 16:19 Chris Wilson [this message]
2020-06-01 17:05 ` [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915: Whitelist context-local timestamp in the gen9 cmdparser Patchwork
2020-06-01 18:23 ` [Intel-gfx] [PATCH] " Mika Kuoppala

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