Message-ID: <5da796b5-a19e-e07b-7cb5-7a30726bd2ff@linux.intel.com>
Date:   Tue, 11 Jan 2022 09:13:37 +0000
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.3.1
Subject: Re: [PATCH] i915: make array flex_regs static const
Content-Language: en-US
To:     Colin Ian King <colin.i.king@gmail.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc:     kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20220109203152.51414-1-colin.i.king@gmail.com>
From:   Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Organization: Intel Corporation UK Plc
In-Reply-To: <20220109203152.51414-1-colin.i.king@gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 09/01/2022 20:31, Colin Ian King wrote:
> Don't populate the read-only array flex_regs on the stack but
> instead it static const. Also makes the object code a little smaller.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> ---
>   drivers/gpu/drm/i915/i915_perf.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
> index e27f3b7cf094..df698960fdc0 100644
> --- a/drivers/gpu/drm/i915/i915_perf.c
> +++ b/drivers/gpu/drm/i915/i915_perf.c
> @@ -2114,7 +2114,7 @@ gen8_update_reg_state_unlocked(const struct intel_context *ce,
>   	u32 ctx_oactxctrl = stream->perf->ctx_oactxctrl_offset;
>   	u32 ctx_flexeu0 = stream->perf->ctx_flexeu0_offset;
>   	/* The MMIO offsets for Flex EU registers aren't contiguous */
> -	i915_reg_t flex_regs[] = {
> +	static const i915_reg_t flex_regs[] = {
>   		EU_PERF_CNTL0,
>   		EU_PERF_CNTL1,
>   		EU_PERF_CNTL2,
> 

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

And will merge shortly, thanks for the patch.

Regards,

Tvrtko