Re: [PATCH] drm/i915/bdw: Disable execlists by default

From: Jani Nikula <jani.nikula@linux.intel.com>
To: Damien Lespiau <damien.lespiau@intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: Re: [PATCH] drm/i915/bdw: Disable execlists by default
Date: Mon, 18 Aug 2014 11:29:53 +0300	[thread overview]
Message-ID: <87ppfynqta.fsf@intel.com> (raw)
In-Reply-To: <1408117716-31963-1-git-send-email-damien.lespiau@intel.com>

On Fri, 15 Aug 2014, Damien Lespiau <damien.lespiau@intel.com> wrote:
> We still have a few missing bits and pieces to have execlists enabled by
> default eg. the error capture or the render state initialization and so
> it wouldn't be wise to enable it by default on BDW just yet.

Also,

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82740

> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Thomas Daniel <thomas.daniel@intel.com>
> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
> ---
>  drivers/gpu/drm/i915/i915_params.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index 0886aca..139f490 100644
> --- a/drivers/gpu/drm/i915/i915_params.c
> +++ b/drivers/gpu/drm/i915/i915_params.c
> @@ -35,7 +35,7 @@ struct i915_params i915 __read_mostly = {
>  	.vbt_sdvo_panel_type = -1,
>  	.enable_rc6 = -1,
>  	.enable_fbc = -1,
> -	.enable_execlists = -1,
> +	.enable_execlists = 0,
>  	.enable_hangcheck = true,
>  	.enable_ppgtt = -1,
>  	.enable_psr = 0,
> @@ -122,7 +122,7 @@ MODULE_PARM_DESC(enable_ppgtt,
>  module_param_named(enable_execlists, i915.enable_execlists, int, 0400);
>  MODULE_PARM_DESC(enable_execlists,
>  	"Override execlists usage. "
> -	"(-1=auto [default], 0=disabled, 1=enabled)");
> +	"(-1=auto, 0=disabled [default], 1=enabled)");
>  
>  module_param_named(enable_psr, i915.enable_psr, int, 0600);
>  MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
> -- 
> 1.8.3.1
>
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-- 
Jani Nikula, Intel Open Source Technology Center