From: Steven Price <steven.price@arm.com>
To: alyssa.rosenzweig@collabora.com, dri-devel@lists.freedesktop.org
Cc: airlied@linux.ie, tomeu.vizoso@collabora.com
Subject: Re: [PATCH 2/4] drm/panfrost: Add CYCLE_COUNT_START/STOP commands
Date: Wed, 2 Jun 2021 12:50:24 +0100 [thread overview]
Message-ID: <87171dee-4c02-799e-5568-81a6dbde4757@arm.com> (raw)
In-Reply-To: <20210527203804.12914-3-alyssa.rosenzweig@collabora.com>
On 27/05/2021 21:38, alyssa.rosenzweig@collabora.com wrote:
> 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>
Reviewed-by: Steven Price <steven.price@arm.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
>
next prev parent reply other threads:[~2021-06-02 11:50 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 ` [PATCH 2/4] drm/panfrost: Add CYCLE_COUNT_START/STOP commands alyssa.rosenzweig
2021-06-02 11:50 ` Steven Price [this message]
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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