[PATCH] drm: radeon: constify drm_prop_enum_list structures.

From: Arvind Yadav
Date: Sat Jul 01 2017 - 05:47:23 EST


drm_prop_enum_lists are not supposed to change at runtime. All functions
working with drm_prop_enum_list provided by <drm/drm_property.h> work with
const drm_prop_enum_list. So mark the non-const structs as const.

File size before:
text data bss dec hex filename
18276 384 0 18660 48e4 drivers/gpu/drm/radeon/radeon_display.o

File size After adding 'const':
text data bss dec hex filename
18660 0 0 18660 48e4 drivers/gpu/drm/radeon/radeon_display.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_display.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 17d3daf..f339c1c 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1388,12 +1388,12 @@ static const struct drm_mode_config_funcs radeon_mode_funcs = {
.output_poll_changed = radeon_output_poll_changed
};

-static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] =
+static const struct drm_prop_enum_list radeon_tmds_pll_enum_list[] =
{ { 0, "driver" },
{ 1, "bios" },
};

-static struct drm_prop_enum_list radeon_tv_std_enum_list[] =
+static const struct drm_prop_enum_list radeon_tv_std_enum_list[] =
{ { TV_STD_NTSC, "ntsc" },
{ TV_STD_PAL, "pal" },
{ TV_STD_PAL_M, "pal-m" },
@@ -1404,25 +1404,25 @@ static struct drm_prop_enum_list radeon_tv_std_enum_list[] =
{ TV_STD_SECAM, "secam" },
};

-static struct drm_prop_enum_list radeon_underscan_enum_list[] =
+static const struct drm_prop_enum_list radeon_underscan_enum_list[] =
{ { UNDERSCAN_OFF, "off" },
{ UNDERSCAN_ON, "on" },
{ UNDERSCAN_AUTO, "auto" },
};

-static struct drm_prop_enum_list radeon_audio_enum_list[] =
+static const struct drm_prop_enum_list radeon_audio_enum_list[] =
{ { RADEON_AUDIO_DISABLE, "off" },
{ RADEON_AUDIO_ENABLE, "on" },
{ RADEON_AUDIO_AUTO, "auto" },
};

/* XXX support different dither options? spatial, temporal, both, etc. */
-static struct drm_prop_enum_list radeon_dither_enum_list[] =
+static const struct drm_prop_enum_list radeon_dither_enum_list[] =
{ { RADEON_FMT_DITHER_DISABLE, "off" },
{ RADEON_FMT_DITHER_ENABLE, "on" },
};

-static struct drm_prop_enum_list radeon_output_csc_enum_list[] =
+static const struct drm_prop_enum_list radeon_output_csc_enum_list[] =
{ { RADEON_OUTPUT_CSC_BYPASS, "bypass" },
{ RADEON_OUTPUT_CSC_TVRGB, "tvrgb" },
{ RADEON_OUTPUT_CSC_YCBCR601, "ycbcr601" },
--
2.7.4