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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2015-07-27 15:12:39 +0100
committerRob Clark <robdclark@gmail.com>2015-08-15 18:27:26 -0400
commit095022b9aa0546a0f3d3fb5f42c82b4004103864 (patch)
tree799ce6421d043f76e9963b107719cebc3f7a61d2 /drivers/gpu/drm/msm/mdp
parent09992e4d46935798b4a1cf3a734e6a0f3470f107 (diff)
downloadblackbird-op-linux-095022b9aa0546a0f3d3fb5f42c82b4004103864.tar.gz
blackbird-op-linux-095022b9aa0546a0f3d3fb5f42c82b4004103864.zip
drm/msm: add calls to prepare and unprepare panel
Prepare the panel before it's enabled and un-prepare after disable, this will make sure that the regulators are switched on and off correctly. Tested it on APQ8064 based IFC6410 with panel. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/mdp')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c
index c04843376c54..4cd6e721aa0a 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c
@@ -346,8 +346,10 @@ static void mdp4_lcdc_encoder_disable(struct drm_encoder *encoder)
mdp4_write(mdp4_kms, REG_MDP4_LCDC_ENABLE, 0);
- if (panel)
+ if (panel) {
drm_panel_disable(panel);
+ drm_panel_unprepare(panel);
+ }
/*
* Wait for a vsync so we know the ENABLE=0 latched before
@@ -412,8 +414,10 @@ static void mdp4_lcdc_encoder_enable(struct drm_encoder *encoder)
if (ret)
dev_err(dev->dev, "failed to enable lcdc_clk: %d\n", ret);
- if (panel)
+ if (panel) {
+ drm_panel_prepare(panel);
drm_panel_enable(panel);
+ }
setup_phy(encoder);
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