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authorRob Clark <robdclark@gmail.com>2014-10-31 12:19:40 -0400
committerRob Clark <robdclark@gmail.com>2014-11-16 14:22:42 -0500
commitb7bbd6406ae82f4faa8a5e571866e44f4c49255d (patch)
tree843bbd719a6368149db3c8d7147df7ce24baa9f6 /drivers/gpu/drm
parentca5a71de4852e3eeba53a326ddf260b7b2e117b1 (diff)
downloadblackbird-obmc-linux-b7bbd6406ae82f4faa8a5e571866e44f4c49255d.tar.gz
blackbird-obmc-linux-b7bbd6406ae82f4faa8a5e571866e44f4c49255d.zip
drm/msm: select REGULATOR
Fixes a potential error, spotted by Felipe with randconfig: ----- drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c: In function ‘mdp4_kms_init’: drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c:384:2: error: implicit declaration \ of function ‘devm_regulator_get_exclusive’ [-Werror=implicit-function-declaration] mdp4_kms->vdd = devm_regulator_get_exclusive(&pdev->dev, "vdd"); ^ drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c:384:16: error: assignment makes \ pointer from integer without a cast [-Werror] mdp4_kms->vdd = devm_regulator_get_exclusive(&pdev->dev, "vdd"); ^ ----- Also add a brief comment explaining the use of _get_exclusive() Reported-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/Kconfig1
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 9d907c526c94..5b2a1ff95d3d 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -3,6 +3,7 @@ config DRM_MSM
tristate "MSM DRM"
depends on DRM
depends on ARCH_QCOM || (ARM && COMPILE_TEST)
+ select REGULATOR
select DRM_KMS_HELPER
select DRM_PANEL
select SHMEM
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
index 79d804e61cc4..ac204720429e 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c
@@ -381,6 +381,10 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)
if (IS_ERR(mdp4_kms->dsi_pll_vddio))
mdp4_kms->dsi_pll_vddio = NULL;
+ /* NOTE: driver for this regulator still missing upstream.. use
+ * _get_exclusive() and ignore the error if it does not exist
+ * (and hope that the bootloader left it on for us)
+ */
mdp4_kms->vdd = devm_regulator_get_exclusive(&pdev->dev, "vdd");
if (IS_ERR(mdp4_kms->vdd))
mdp4_kms->vdd = NULL;
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