Include <linux/backlight.h> in source files that need it. Some of DRM's source code gets the backlight header via drm_crtc_helper.h and <linux/fb.h>, which can leed to unnecessary recompilation. If possible, do not include drm_crtc_helper.h any longer. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 2 +- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + drivers/gpu/drm/gma500/backlight.c | 2 ++ drivers/gpu/drm/radeon/radeon_acpi.c | 2 +- 4 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 57b5e11446c6..f29c1d0ad4c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -24,6 +24,7 @@ #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/backlight.h> #include <linux/slab.h> #include <linux/power_supply.h> #include <linux/pm_runtime.h> @@ -31,7 +32,6 @@ #include <acpi/video.h> #include <acpi/actbl.h> -#include <drm/drm_crtc_helper.h> #include "amdgpu.h" #include "amdgpu_pm.h" #include "amdgpu_display.h" diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 1b7f20a9d4ae..55a845eb0c6d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -67,6 +67,7 @@ #include "ivsrcid/ivsrcid_vislands30.h" #include "i2caux_interface.h" +#include <linux/backlight.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/types.h> diff --git a/drivers/gpu/drm/gma500/backlight.c b/drivers/gpu/drm/gma500/backlight.c index 577a4987b193..8711a7a5b8da 100644 --- a/drivers/gpu/drm/gma500/backlight.c +++ b/drivers/gpu/drm/gma500/backlight.c @@ -7,6 +7,8 @@ * Authors: Eric Knopp */ +#include <linux/backlight.h> + #include <acpi/video.h> #include "psb_drv.h" diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c index b603c0b77075..5771d1fcb073 100644 --- a/drivers/gpu/drm/radeon/radeon_acpi.c +++ b/drivers/gpu/drm/radeon/radeon_acpi.c @@ -22,6 +22,7 @@ */ #include <linux/acpi.h> +#include <linux/backlight.h> #include <linux/pci.h> #include <linux/pm_runtime.h> #include <linux/power_supply.h> @@ -30,7 +31,6 @@ #include <acpi/acpi_bus.h> #include <acpi/video.h> -#include <drm/drm_crtc_helper.h> #include <drm/drm_probe_helper.h> #include "atom.h" -- 2.39.0
