[Intel-gfx] [PATCH v2] drm/i915/bdw: Enable execlists by default where supported

[Daniel Vetter]

On Thu, Dec 11, 2014 at 12:48:35PM +0000, Thomas Daniel wrote:
> Execlist support in the i915 driver is now considered good enough for the
> feature to be enabled by default on Gen8 and later and routinely tested.
> Adjusted i915 parameters structure initialization to reflect this and updated
> the comment in intel_sanitize_enable_execlists().
> 
> v2: Update the MODULE_PARM_DESC too.

MO is to mention the reviewer for each change and add them to the cc:
list. Not too important for something simple like this, but a good habit.

> 
> Issue: VIZ-2020
> Signed-off-by: Thomas Daniel <thomas.daniel at intel.com>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/i915_params.c |    4 ++--
>  drivers/gpu/drm/i915/intel_lrc.c   |    3 +--
>  2 files changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index c91cb20..f6af6d4 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 = 0,
> +	.enable_execlists = -1,
>  	.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, 0=disabled [default], 1=enabled)");
> +	"(-1=auto [default], 0=disabled, 1=enabled)");
>  
>  module_param_named(enable_psr, i915.enable_psr, int, 0600);
>  MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 89b5577..4dc6d42 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -212,8 +212,7 @@ static int intel_lr_context_pin(struct intel_engine_cs *ring,
>   * @enable_execlists: value of i915.enable_execlists module parameter.
>   *
>   * Only certain platforms support Execlists (the prerequisites being
> - * support for Logical Ring Contexts and Aliasing PPGTT or better),
> - * and only when enabled via module parameter.
> + * support for Logical Ring Contexts and Aliasing PPGTT or better).
>   *
>   * Return: 1 if Execlists is supported and has to be enabled.
>   */
> -- 
> 1.7.9.5
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch