Quoting Maarten Lankhorst (2017-10-04 10:44:16)
> This has been unused since commit afa8ce5b3080
> ("drm/i915: Nuke legacy flip queueing code").
>
> Changes since v1:
> - Rebase on top of all the changes to modparams.
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> #v1
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> \o/-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_params.c | 3 ---
> drivers/gpu/drm/i915/i915_params.h | 1 -
> drivers/gpu/drm/i915/intel_lrc.c | 3 +--
> 3 files changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index 9dff323a83d3..b4faeb6aa2bd 100644
> --- a/drivers/gpu/drm/i915/i915_params.c
> +++ b/drivers/gpu/drm/i915/i915_params.c
> @@ -146,9 +146,6 @@ i915_param_named(disable_display, bool, 0400,
> i915_param_named_unsafe(enable_cmd_parser, bool, 0400,
> "Enable command parsing (true=enabled [default], false=disabled)");
>
> -i915_param_named_unsafe(use_mmio_flip, int, 0600,
> - "use MMIO flips (-1=never, 0=driver discretion [default], 1=always)");
> -
> i915_param_named(mmio_debug, int, 0600,
> "Enable the MMIO debug code for the first N failures (default: off). "
> "This may negatively affect performance.");
> diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
> index 4f3f8d650194..c7292268ed43 100644
> --- a/drivers/gpu/drm/i915/i915_params.h
> +++ b/drivers/gpu/drm/i915/i915_params.h
> @@ -49,7 +49,6 @@
> param(int, guc_log_level, -1) \
> param(char *, guc_firmware_path, NULL) \
> param(char *, huc_firmware_path, NULL) \
> - param(int, use_mmio_flip, 0) \
> param(int, mmio_debug, 0) \
> param(int, edp_vswing, 0) \
> param(int, reset, 2) \
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 7d6da130b184..6ea5ecf08230 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -244,8 +244,7 @@ int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv, int enabl
> return 0;
>
> if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) &&
> - USES_PPGTT(dev_priv) &&
> - i915_modparams.use_mmio_flip >= 0)
> + USES_PPGTT(dev_priv))
> return 1;
>
> return 0;
> --
> 2.14.1
>
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