From: Rodrigo Vivi <rodrigo.vivi@intel.com>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/2] drm/i915: Clean up skl_plane_has_planar()
Date: Fri, 24 Aug 2018 15:15:35 -0700 [thread overview]
Message-ID: <20180824221535.GD6432@intel.com> (raw)
In-Reply-To: <20180824203856.17700-1-dhinakaran.pandiyan@intel.com>
On Fri, Aug 24, 2018 at 01:38:55PM -0700, Dhinakaran Pandiyan wrote:
> skl_plane_has_planar is hard to read, simplify the logic by checking for
> support in the order of platform, pipe and plane.
>
> No change in functionality intended.
>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 27 +++++++++------------------
> 1 file changed, 9 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 30fdfd1a3037..7e18bd8b21b8 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -13622,24 +13622,15 @@ static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
> bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
> enum pipe pipe, enum plane_id plane_id)
> {
> - if (plane_id == PLANE_PRIMARY) {
> - if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> - return false;
> - else if ((INTEL_GEN(dev_priv) == 9 && pipe == PIPE_C) &&
> - !IS_GEMINILAKE(dev_priv))
> - return false;
> - } else if (plane_id >= PLANE_SPRITE0) {
> - if (plane_id == PLANE_CURSOR)
> - return false;
> - if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) == 10) {
> - if (plane_id != PLANE_SPRITE0)
> - return false;
> - } else {
> - if (plane_id != PLANE_SPRITE0 || pipe == PIPE_C ||
> - IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> - return false;
> - }
> - }
> + if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
> + return false;
The current code is indeed ugly, but I'm afraid it doesn't always return
false for these platforms.
for instance plane_id = PLANE_SPRITE0
> +
> + if (INTEL_GEN(dev_priv) == 9 && !IS_GEMINILAKE(dev_priv) && pipe == PIPE_C)
> + return false;
> +
> + if (plane_id == PLANE_CURSOR || plane_id != PLANE_SPRITE0)
> + return false;
> +
> return true;
> }
>
> --
> 2.17.1
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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next prev parent reply other threads:[~2018-08-24 22:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-24 20:38 [PATCH 1/2] drm/i915: Clean up skl_plane_has_planar() Dhinakaran Pandiyan
2018-08-24 20:38 ` [PATCH 2/2] drm/i915: Do not advertize support for NV12 on ICL yet Dhinakaran Pandiyan
2018-08-27 11:56 ` Ville Syrjälä
2018-08-24 21:02 ` ✓ Fi.CI.BAT: success for series starting with [1/2] drm/i915: Clean up skl_plane_has_planar() Patchwork
2018-08-24 21:56 ` ✓ Fi.CI.IGT: " Patchwork
2018-08-24 22:15 ` Rodrigo Vivi [this message]
2018-08-24 22:27 ` [PATCH 1/2] " Pandiyan, Dhinakaran
2018-08-24 23:16 ` Rodrigo Vivi
2018-08-24 23:38 ` Pandiyan, Dhinakaran
2018-08-27 11:56 ` Ville Syrjälä
2018-08-27 17:53 ` Pandiyan, Dhinakaran
2018-08-27 22:56 ` [PATCH v2] " Dhinakaran Pandiyan
2018-08-28 12:45 ` Ville Syrjälä
2018-08-28 19:45 ` Dhinakaran Pandiyan
2018-08-28 0:04 ` ✓ Fi.CI.BAT: success for series starting with [v2] drm/i915: Clean up skl_plane_has_planar() (rev2) Patchwork
2018-08-28 1:51 ` ✓ Fi.CI.IGT: " Patchwork
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