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drm/rockchip: Constify struct drm_encoder_helper_funcs

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'struct drm_encoder_helper_funcs' is not modified in these drivers.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
======
   text	   data	    bss	    dec	    hex	filename
   7458	    552	      0	   8010	   1f4a	drivers/gpu/drm/rockchip/analogix_dp-rockchip.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
   7578	    424	      0	   8002	   1f42	drivers/gpu/drm/rockchip/analogix_dp-rockchip.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/128f9941aab3b1367eb7abca4ac26e2e5dd6ad21.1720903899.git.christophe.jaillet@wanadoo.fr
This commit is contained in:
Christophe JAILLET 2024-07-13 22:52:05 +02:00 committed by Heiko Stuebner
parent f7f4df8851
commit 7af6200318
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View File

@ -262,7 +262,7 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
return 0;
}
static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
static const struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
.mode_fixup = rockchip_dp_drm_encoder_mode_fixup,
.mode_set = rockchip_dp_drm_encoder_mode_set,
.atomic_enable = rockchip_dp_drm_encoder_enable,

2
drivers/gpu/drm/rockchip/inno_hdmi.c
View File

@ -545,7 +545,7 @@ inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
return 0;
}
static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
static const struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
.atomic_check = inno_hdmi_encoder_atomic_check,
.atomic_enable = inno_hdmi_encoder_enable,
.atomic_disable = inno_hdmi_encoder_disable,