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 at gmail.com> --- 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