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drm/msm: add calls to prepare and unprepare panel

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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>
This commit is contained in:
Srinivas Kandagatla 2015-07-27 15:12:39 +01:00 committed by Rob Clark
parent 09992e4d46
commit 095022b9aa
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c
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@ -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);