linux-kernel - [PATCH 3.12 138/212] drm/radeon: hook up backlight functions for CI and KV family.

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Date:	Mon,  2 Dec 2013 11:15:29 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Samuel Li <samuel.li@....com>,
	Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 3.12 138/212] drm/radeon: hook up backlight functions for CI and KV family.

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Samuel Li <samuel.li@....com>

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@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/radeon/radeon_asic.c |    4 ++++
 1 file changed, 4 insertions(+)

--- 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,
 	},


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