[PATCH 2/2] video: Make global edid_info depend on CONFIG_FIRMWARE_EDID

[Thomas Zimmermann]

Protect global edid_info behind CONFIG_FIRMWARE_EDID and remove
the config tests for CONFIG_X86. Makes edid_info available iff
its option has been enabled.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 arch/x86/kernel/setup.c         | 4 ++++
 drivers/gpu/drm/sysfb/efidrm.c  | 2 +-
 drivers/gpu/drm/sysfb/vesadrm.c | 2 +-
 include/video/edid.h            | 3 ++-
 4 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9d2a13b37833..cfe501d323d5 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -217,8 +217,10 @@ arch_initcall(init_x86_sysctl);
  */
 struct screen_info screen_info;
 EXPORT_SYMBOL(screen_info);
+#if defined(CONFIG_FIRMWARE_EDID)
 struct edid_info edid_info;
 EXPORT_SYMBOL_GPL(edid_info);
+#endif
 
 extern int root_mountflags;
 
@@ -503,7 +505,9 @@ static void __init parse_boot_params(void)
 {
 	ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
 	screen_info = boot_params.screen_info;
+#if defined(CONFIG_FIRMWARE_EDID)
 	edid_info = boot_params.edid_info;
+#endif
 #ifdef CONFIG_X86_32
 	apm_info.bios = boot_params.apm_bios_info;
 	ist_info = boot_params.ist_info;
diff --git a/drivers/gpu/drm/sysfb/efidrm.c b/drivers/gpu/drm/sysfb/efidrm.c
index 46912924636a..a8b1305b6e13 100644
--- a/drivers/gpu/drm/sysfb/efidrm.c
+++ b/drivers/gpu/drm/sysfb/efidrm.c
@@ -202,7 +202,7 @@ static struct efidrm_device *efidrm_device_create(struct drm_driver *drv,
 	drm_dbg(dev, "framebuffer format=%p4cc, size=%dx%d, stride=%d bytes\n",
 		&format->format, width, height, stride);
 
-#ifdef CONFIG_X86
+#if defined(CONFIG_FIRMWARE_EDID)
 	if (drm_edid_header_is_valid(edid_info.dummy) == 8)
 		sysfb->edid = edid_info.dummy;
 #endif
diff --git a/drivers/gpu/drm/sysfb/vesadrm.c b/drivers/gpu/drm/sysfb/vesadrm.c
index 7945544ba73e..c5216dbe21ec 100644
--- a/drivers/gpu/drm/sysfb/vesadrm.c
+++ b/drivers/gpu/drm/sysfb/vesadrm.c
@@ -344,7 +344,7 @@ static struct vesadrm_device *vesadrm_device_create(struct drm_driver *drv,
 #endif
 	}
 
-#ifdef CONFIG_X86
+#if defined(CONFIG_FIRMWARE_EDID)
 	if (drm_edid_header_is_valid(edid_info.dummy) == 8)
 		sysfb->edid = edid_info.dummy;
 #endif
diff --git a/include/video/edid.h b/include/video/edid.h
index f614371e9116..c2b186b1933a 100644
--- a/include/video/edid.h
+++ b/include/video/edid.h
@@ -4,7 +4,8 @@
 
 #include <uapi/video/edid.h>
 
-#ifdef CONFIG_X86
+#if defined(CONFIG_FIRMWARE_EDID)
 extern struct edid_info edid_info;
 #endif
+
 #endif /* __linux_video_edid_h__ */
-- 
2.49.0