Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Red Hat <mjg@redhat.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining |
| 5 | * a copy of this software and associated documentation files (the |
| 6 | * "Software"), to deal in the Software without restriction, including |
| 7 | * without limitation the rights to use, copy, modify, merge, publish, |
| 8 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 9 | * permit persons to whom the Software is furnished to do so, subject to |
| 10 | * the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice (including the |
| 13 | * next paragraph) shall be included in all copies or substantial |
| 14 | * portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 19 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 20 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 21 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 22 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | * Authors: |
| 28 | * Matthew Garrett <mjg@redhat.com> |
| 29 | * |
| 30 | * Register locations derived from NVClock by Roderick Colenbrander |
| 31 | */ |
| 32 | |
| 33 | #include <linux/backlight.h> |
| 34 | |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 35 | #include "nouveau_drm.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 36 | #include "nouveau_reg.h" |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 37 | #include "nouveau_encoder.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 38 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 39 | static int |
| 40 | nv40_get_intensity(struct backlight_device *bd) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 41 | { |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 42 | struct nouveau_drm *drm = bl_get_data(bd); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 43 | struct nvif_device *device = &drm->device; |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 44 | int val = (nvif_rd32(device, NV40_PMC_BACKLIGHT) & |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 45 | NV40_PMC_BACKLIGHT_MASK) >> 16; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 46 | |
| 47 | return val; |
| 48 | } |
| 49 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 50 | static int |
| 51 | nv40_set_intensity(struct backlight_device *bd) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 52 | { |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 53 | struct nouveau_drm *drm = bl_get_data(bd); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 54 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 55 | int val = bd->props.brightness; |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 56 | int reg = nvif_rd32(device, NV40_PMC_BACKLIGHT); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 57 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 58 | nvif_wr32(device, NV40_PMC_BACKLIGHT, |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 59 | (val << 16) | (reg & ~NV40_PMC_BACKLIGHT_MASK)); |
| 60 | |
| 61 | return 0; |
| 62 | } |
| 63 | |
Lionel Debroux | acc2472 | 2010-11-16 14:14:02 +0100 | [diff] [blame] | 64 | static const struct backlight_ops nv40_bl_ops = { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 65 | .options = BL_CORE_SUSPENDRESUME, |
| 66 | .get_brightness = nv40_get_intensity, |
| 67 | .update_status = nv40_set_intensity, |
| 68 | }; |
| 69 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 70 | static int |
| 71 | nv40_backlight_init(struct drm_connector *connector) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 72 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 73 | struct nouveau_drm *drm = nouveau_drm(connector->dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 74 | struct nvif_device *device = &drm->device; |
Matthew Garrett | 7eae3ef | 2011-03-22 16:30:24 -0700 | [diff] [blame] | 75 | struct backlight_properties props; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 76 | struct backlight_device *bd; |
| 77 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 78 | if (!(nvif_rd32(device, NV40_PMC_BACKLIGHT) & NV40_PMC_BACKLIGHT_MASK)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 79 | return 0; |
| 80 | |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 81 | memset(&props, 0, sizeof(struct backlight_properties)); |
Matthew Garrett | bb7ca74 | 2011-03-22 16:30:21 -0700 | [diff] [blame] | 82 | props.type = BACKLIGHT_RAW; |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 83 | props.max_brightness = 31; |
Dave Airlie | 5bdebb1 | 2013-10-11 14:07:25 +1000 | [diff] [blame] | 84 | bd = backlight_device_register("nv_backlight", connector->kdev, drm, |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 85 | &nv40_bl_ops, &props); |
Marcin Slusarz | b795016 | 2013-01-27 17:13:52 +0100 | [diff] [blame] | 86 | if (IS_ERR(bd)) |
| 87 | return PTR_ERR(bd); |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 88 | drm->backlight = bd; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 89 | bd->props.brightness = nv40_get_intensity(bd); |
| 90 | backlight_update_status(bd); |
| 91 | |
| 92 | return 0; |
| 93 | } |
| 94 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 95 | static int |
| 96 | nv50_get_intensity(struct backlight_device *bd) |
| 97 | { |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 98 | struct nouveau_encoder *nv_encoder = bl_get_data(bd); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 99 | struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 100 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 101 | int or = nv_encoder->or; |
Ben Skeggs | 0946145 | 2011-08-02 20:45:35 +1000 | [diff] [blame] | 102 | u32 div = 1025; |
| 103 | u32 val; |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 104 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 105 | val = nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(or)); |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 106 | val &= NV50_PDISP_SOR_PWM_CTL_VAL; |
Ben Skeggs | 0946145 | 2011-08-02 20:45:35 +1000 | [diff] [blame] | 107 | return ((val * 100) + (div / 2)) / div; |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | static int |
| 111 | nv50_set_intensity(struct backlight_device *bd) |
| 112 | { |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 113 | struct nouveau_encoder *nv_encoder = bl_get_data(bd); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 114 | struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 115 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 116 | int or = nv_encoder->or; |
Ben Skeggs | 0946145 | 2011-08-02 20:45:35 +1000 | [diff] [blame] | 117 | u32 div = 1025; |
| 118 | u32 val = (bd->props.brightness * div) / 100; |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 119 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 120 | nvif_wr32(device, NV50_PDISP_SOR_PWM_CTL(or), |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 121 | NV50_PDISP_SOR_PWM_CTL_NEW | val); |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static const struct backlight_ops nv50_bl_ops = { |
| 126 | .options = BL_CORE_SUSPENDRESUME, |
| 127 | .get_brightness = nv50_get_intensity, |
| 128 | .update_status = nv50_set_intensity, |
| 129 | }; |
| 130 | |
| 131 | static int |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 132 | nva3_get_intensity(struct backlight_device *bd) |
| 133 | { |
| 134 | struct nouveau_encoder *nv_encoder = bl_get_data(bd); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 135 | struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 136 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 137 | int or = nv_encoder->or; |
| 138 | u32 div, val; |
| 139 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 140 | div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or)); |
| 141 | val = nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(or)); |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 142 | val &= NVA3_PDISP_SOR_PWM_CTL_VAL; |
| 143 | if (div && div >= val) |
| 144 | return ((val * 100) + (div / 2)) / div; |
| 145 | |
| 146 | return 100; |
| 147 | } |
| 148 | |
| 149 | static int |
| 150 | nva3_set_intensity(struct backlight_device *bd) |
| 151 | { |
| 152 | struct nouveau_encoder *nv_encoder = bl_get_data(bd); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 153 | struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 154 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 155 | int or = nv_encoder->or; |
| 156 | u32 div, val; |
| 157 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 158 | div = nvif_rd32(device, NV50_PDISP_SOR_PWM_DIV(or)); |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 159 | val = (bd->props.brightness * div) / 100; |
| 160 | if (div) { |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 161 | nvif_wr32(device, NV50_PDISP_SOR_PWM_CTL(or), val | |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 162 | NV50_PDISP_SOR_PWM_CTL_NEW | |
| 163 | NVA3_PDISP_SOR_PWM_CTL_UNK); |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | return -EINVAL; |
| 168 | } |
| 169 | |
| 170 | static const struct backlight_ops nva3_bl_ops = { |
| 171 | .options = BL_CORE_SUSPENDRESUME, |
| 172 | .get_brightness = nva3_get_intensity, |
| 173 | .update_status = nva3_set_intensity, |
| 174 | }; |
| 175 | |
| 176 | static int |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 177 | nv50_backlight_init(struct drm_connector *connector) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 178 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 179 | struct nouveau_drm *drm = nouveau_drm(connector->dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 180 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 181 | struct nouveau_encoder *nv_encoder; |
Matthew Garrett | 7eae3ef | 2011-03-22 16:30:24 -0700 | [diff] [blame] | 182 | struct backlight_properties props; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 183 | struct backlight_device *bd; |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 184 | const struct backlight_ops *ops; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 185 | |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 186 | nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 187 | if (!nv_encoder) { |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 188 | nv_encoder = find_encoder(connector, DCB_OUTPUT_DP); |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 189 | if (!nv_encoder) |
| 190 | return -ENODEV; |
| 191 | } |
| 192 | |
Ben Skeggs | db2bec1 | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 193 | if (!nvif_rd32(device, NV50_PDISP_SOR_PWM_CTL(nv_encoder->or))) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 194 | return 0; |
| 195 | |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 196 | if (device->info.chipset <= 0xa0 || |
| 197 | device->info.chipset == 0xaa || |
| 198 | device->info.chipset == 0xac) |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 199 | ops = &nv50_bl_ops; |
| 200 | else |
| 201 | ops = &nva3_bl_ops; |
| 202 | |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 203 | memset(&props, 0, sizeof(struct backlight_properties)); |
Matthew Garrett | bb7ca74 | 2011-03-22 16:30:21 -0700 | [diff] [blame] | 204 | props.type = BACKLIGHT_RAW; |
Ben Skeggs | 0946145 | 2011-08-02 20:45:35 +1000 | [diff] [blame] | 205 | props.max_brightness = 100; |
Dave Airlie | 5bdebb1 | 2013-10-11 14:07:25 +1000 | [diff] [blame] | 206 | bd = backlight_device_register("nv_backlight", connector->kdev, |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 207 | nv_encoder, ops, &props); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 208 | if (IS_ERR(bd)) |
| 209 | return PTR_ERR(bd); |
| 210 | |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 211 | drm->backlight = bd; |
Ben Skeggs | 5024c54 | 2011-08-03 08:52:39 +1000 | [diff] [blame] | 212 | bd->props.brightness = bd->ops->get_brightness(bd); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 213 | backlight_update_status(bd); |
| 214 | return 0; |
| 215 | } |
| 216 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 217 | int |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 218 | nouveau_backlight_init(struct drm_device *dev) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 219 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 220 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 221 | struct nvif_device *device = &drm->device; |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 222 | struct drm_connector *connector; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 223 | |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 224 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 225 | if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS && |
| 226 | connector->connector_type != DRM_MODE_CONNECTOR_eDP) |
| 227 | continue; |
| 228 | |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 229 | switch (device->info.family) { |
| 230 | case NV_DEVICE_INFO_V0_CURIE: |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 231 | return nv40_backlight_init(connector); |
Ben Skeggs | 967e7bd | 2014-08-10 04:10:22 +1000 | [diff] [blame] | 232 | case NV_DEVICE_INFO_V0_TESLA: |
| 233 | case NV_DEVICE_INFO_V0_FERMI: |
| 234 | case NV_DEVICE_INFO_V0_KEPLER: |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 235 | return nv50_backlight_init(connector); |
| 236 | default: |
| 237 | break; |
| 238 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 239 | } |
| 240 | |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 241 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 242 | return 0; |
| 243 | } |
| 244 | |
Ben Skeggs | 7307648 | 2011-08-02 18:54:43 +1000 | [diff] [blame] | 245 | void |
Ben Skeggs | 10b461e | 2011-08-02 19:29:37 +1000 | [diff] [blame] | 246 | nouveau_backlight_exit(struct drm_device *dev) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 247 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 248 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 249 | |
Ben Skeggs | 51a3d34 | 2012-07-26 09:12:47 +1000 | [diff] [blame] | 250 | if (drm->backlight) { |
| 251 | backlight_device_unregister(drm->backlight); |
| 252 | drm->backlight = NULL; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 253 | } |
| 254 | } |