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From: alyssa.rosenzweig@collabora.com
To: dri-devel@lists.freedesktop.org
Cc: tomeu.vizoso@collabora.com, airlied@linux.ie,
	steven.price@arm.com,
	Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Subject: [PATCH 2/4] drm/panfrost: Add CYCLE_COUNT_START/STOP commands
Date: Thu, 27 May 2021 16:38:02 -0400	[thread overview]
Message-ID: <20210527203804.12914-3-alyssa.rosenzweig@collabora.com> (raw)
In-Reply-To: <20210527203804.12914-1-alyssa.rosenzweig@collabora.com>

From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

Add additional values of GPU_COMMAND required to enable and disable the
cycle (and timestamp) counters. Values from mali_kbase.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
---
 drivers/gpu/drm/panfrost/panfrost_regs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h
index eddaa62ad..8ac60de6f 100644
--- a/drivers/gpu/drm/panfrost/panfrost_regs.h
+++ b/drivers/gpu/drm/panfrost/panfrost_regs.h
@@ -46,6 +46,8 @@
 #define   GPU_CMD_SOFT_RESET		0x01
 #define   GPU_CMD_PERFCNT_CLEAR		0x03
 #define   GPU_CMD_PERFCNT_SAMPLE	0x04
+#define   GPU_CMD_CYCLE_COUNT_START	0x05
+#define   GPU_CMD_CYCLE_COUNT_STOP	0x06
 #define   GPU_CMD_CLEAN_CACHES		0x07
 #define   GPU_CMD_CLEAN_INV_CACHES	0x08
 #define GPU_STATUS			0x34
-- 
2.30.2


  parent reply	other threads:[~2021-05-27 20:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-27 20:38 [PATCH 0/4] drm/panfrost: Plumb cycle counters to userspace alyssa.rosenzweig
2021-05-27 20:38 ` [PATCH 1/4] drm/panfrost: Add cycle counter job requirement alyssa.rosenzweig
2021-06-02 11:50   ` Steven Price
2021-05-27 20:38 ` alyssa.rosenzweig [this message]
2021-06-02 11:50   ` [PATCH 2/4] drm/panfrost: Add CYCLE_COUNT_START/STOP commands Steven Price
2021-05-27 20:38 ` [PATCH 3/4] drm/panfrost: Add permon acquire/release helpers alyssa.rosenzweig
2021-06-02 11:50   ` Steven Price
2021-05-27 20:38 ` [PATCH 4/4] drm/panfrost: Handle PANFROST_JD_REQ_PERMON alyssa.rosenzweig
2021-06-02 11:50   ` Steven Price
2021-05-27 21:14 ` [PATCH 0/4] drm/panfrost: Plumb cycle counters to userspace Alyssa Rosenzweig
2021-05-28  6:07 ` Tomeu Vizoso
2021-05-28 13:31   ` Alyssa Rosenzweig

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