drm/radeon: hook up backlight functions for CI and KV family.

commit 7272c9d2286525d4c6bce788243cf2b6f306d15c upstream.

Fixes crashes when handling atif events due to the lack of a
callback being registered.

Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 8f7e04538fd624a5ecb1c302e8b9d5f2455f808a..5720e66da23c6704f5b261b6447ab42ce68c0cec 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2019,6 +2019,8 @@ static struct radeon_asic ci_asic = {
                .bandwidth_update = &dce8_bandwidth_update,
                .get_vblank_counter = &evergreen_get_vblank_counter,
                .wait_for_vblank = &dce4_wait_for_vblank,
+               .set_backlight_level = &atombios_set_backlight_level,
+               .get_backlight_level = &atombios_get_backlight_level,
                .hdmi_enable = &evergreen_hdmi_enable,
                .hdmi_setmode = &evergreen_hdmi_setmode,
        },
@@ -2119,6 +2121,8 @@ static struct radeon_asic kv_asic = {
                .bandwidth_update = &dce8_bandwidth_update,
                .get_vblank_counter = &evergreen_get_vblank_counter,
                .wait_for_vblank = &dce4_wait_for_vblank,
+               .set_backlight_level = &atombios_set_backlight_level,
+               .get_backlight_level = &atombios_get_backlight_level,
                .hdmi_enable = &evergreen_hdmi_enable,
                .hdmi_setmode = &evergreen_hdmi_setmode,
        },