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From: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH v2] drm/i915: Whitelist TIMESTAMP register from BLT ring for gen9+
Date: Fri, 28 Oct 2016 12:49:13 +0200	[thread overview]
Message-ID: <1477651753-30120-1-git-send-email-arkadiusz.hiler@intel.com> (raw)
In-Reply-To: <20161027143931.28160-1-andrzej.lawrynowicz@intel.com>

From: Andrzej Lawrynowicz <andrzej.lawrynowicz@intel.com>

Since gen9 timestamp can be read from BLT ring (TIMESTAMP_BCSUNIT).
Add this register to reg_read ioctl whitelist.

v2: commit message change (Arkadiusz Hiler)

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Signed-off-by: Andrzej Lawrynowicz <andrzej.lawrynowicz@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
---
 drivers/gpu/drm/i915/intel_uncore.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index e2b188d..c2c3fe6 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -1354,6 +1354,9 @@ static const struct register_whitelist {
 	{ .offset_ldw = RING_TIMESTAMP(RENDER_RING_BASE),
 	  .offset_udw = RING_TIMESTAMP_UDW(RENDER_RING_BASE),
 	  .size = 8, .gen_bitmask = GEN_RANGE(4, 9) },
+	{ .offset_ldw = RING_TIMESTAMP(BLT_RING_BASE),
+	  .offset_udw = RING_TIMESTAMP_UDW(BLT_RING_BASE),
+	  .size = 8, .gen_bitmask = GEN_RANGE(9, 9) },
 };
 
 int i915_reg_read_ioctl(struct drm_device *dev,
-- 
2.7.4

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  parent reply	other threads:[~2016-10-28 10:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-27 14:39 [PATCH] drm/i915/gen9+: Whitelist TIMESTAMP register from BLT ring Andrzej Lawrynowicz
2016-10-27 15:19 ` ✗ Fi.CI.BAT: warning for " Patchwork
2016-10-28 10:49 ` Arkadiusz Hiler [this message]
2016-10-28 11:46 ` ✗ Fi.CI.BAT: warning for drm/i915/gen9+: Whitelist TIMESTAMP register from BLT ring (rev2) Patchwork
2016-10-31 13:20   ` Andrzej Lawrynowicz

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