From ac3ad6c66998ee90ff83e70e9eb9dbe08a402ff5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 18 Sep 2017 21:25:37 +0300
Subject: [PATCH] drm/i915: Shrink bxt_ddi_buf_trans
Mime-version: 1.0
Content-type: text/plain; charset=UTF-8
Content-transfer-encoding: 8bit
Git-commit: ac3ad6c66998ee90ff83e70e9eb9dbe08a402ff5
Patch-mainline: v4.15-rc1
References: FATE#322643 bsc#1055900
All the values we put into the BXT buf_trans tables fit into 8 bits.
So switch over to u8 from the u32 we use currently.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170918182604.9519-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/intel_ddi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -301,10 +301,10 @@ static const struct ddi_buf_trans skl_y_
};
struct bxt_ddi_buf_trans {
- u32 margin; /* swing value */
- u32 scale; /* scale value */
- u32 enable; /* scale enable */
- u32 deemphasis;
+ u8 margin; /* swing value */
+ u8 scale; /* scale value */
+ u8 enable; /* scale enable */
+ u8 deemphasis;
bool default_index; /* true if the entry represents default value */
};