[PATCH 3/8] drm/display: Introduce a DRM display-helper module

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Replace the DP-helper module with a display-helper module. Update
all related Kconfig and Makefile rules.

Besides the existing code for DisplayPort, the new module will
contain helpers for other video-output standards, such as HDMI.
Drivers will still be able to select the required video-output
helpers. Linking all such code into a single module avoids the
proliferation of small kernel modules.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
 drivers/gpu/drm/Kconfig                                |  7 +++++++
 drivers/gpu/drm/display/Makefile                       |  9 +++++----
 .../{drm_dp_helper_mod.c => drm_display_helper_mod.c}  | 10 +++++-----
 drivers/gpu/drm/display/{drm_dp.c => drm_dp_helper.c}  |  0
 4 files changed, 17 insertions(+), 9 deletions(-)
 rename drivers/gpu/drm/display/{drm_dp_helper_mod.c => drm_display_helper_mod.c} (51%)
 rename drivers/gpu/drm/display/{drm_dp.c => drm_dp_helper.c} (100%)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index f1422bee3dcc..bffcd4d2314b 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -82,9 +82,16 @@ config DRM_DEBUG_SELFTEST
 
 	  If in doubt, say "N".
 
+config DRM_DISPLAY_HELPER
+	tristate
+	depends on DRM
+	help
+	  DRM helpers for display adapters.
+
 config DRM_DP_HELPER
 	tristate
 	depends on DRM
+	select DRM_DISPLAY_HELPER
 	help
 	  DRM helpers for DisplayPort.
 
diff --git a/drivers/gpu/drm/display/Makefile b/drivers/gpu/drm/display/Makefile
index 75faffc706b1..90f12e9b4735 100644
--- a/drivers/gpu/drm/display/Makefile
+++ b/drivers/gpu/drm/display/Makefile
@@ -2,8 +2,9 @@
 
 obj-$(CONFIG_DRM_DP_AUX_BUS) += drm_dp_aux_bus.o
 
-drm_dp_helper-y := drm_dp.o drm_dp_dual_mode_helper.o drm_dp_helper_mod.o drm_dp_mst_topology.o
-drm_dp_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
-drm_dp_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o
+drm_display_helper-y := drm_display_helper_mod.o
+drm_display_helper-$(CONFIG_DRM_DP_HELPER) := drm_dp_helper.o drm_dp_dual_mode_helper.o drm_dp_mst_topology.o
+drm_display_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
+drm_display_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o
 
-obj-$(CONFIG_DRM_DP_HELPER) += drm_dp_helper.o
+obj-$(CONFIG_DRM_DISPLAY_HELPER) += drm_display_helper.o
diff --git a/drivers/gpu/drm/display/drm_dp_helper_mod.c b/drivers/gpu/drm/display/drm_display_helper_mod.c
similarity index 51%
rename from drivers/gpu/drm/display/drm_dp_helper_mod.c
rename to drivers/gpu/drm/display/drm_display_helper_mod.c
index db753de24000..d8a6e6228773 100644
--- a/drivers/gpu/drm/display/drm_dp_helper_mod.c
+++ b/drivers/gpu/drm/display/drm_display_helper_mod.c
@@ -4,19 +4,19 @@
 
 #include "drm_dp_helper_internal.h"
 
-MODULE_DESCRIPTION("DRM DisplayPort helper");
+MODULE_DESCRIPTION("DRM display adapter helper");
 MODULE_LICENSE("GPL and additional rights");
 
-static int __init drm_dp_helper_module_init(void)
+static int __init drm_display_helper_module_init(void)
 {
 	return drm_dp_aux_dev_init();
 }
 
-static void __exit drm_dp_helper_module_exit(void)
+static void __exit drm_display_helper_module_exit(void)
 {
 	/* Call exit functions from specific dp helpers here */
 	drm_dp_aux_dev_exit();
 }
 
-module_init(drm_dp_helper_module_init);
-module_exit(drm_dp_helper_module_exit);
+module_init(drm_display_helper_module_init);
+module_exit(drm_display_helper_module_exit);
diff --git a/drivers/gpu/drm/display/drm_dp.c b/drivers/gpu/drm/display/drm_dp_helper.c
similarity index 100%
rename from drivers/gpu/drm/display/drm_dp.c
rename to drivers/gpu/drm/display/drm_dp_helper.c
-- 
2.35.1




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