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Commit 095022b9 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Rob Clark
Browse files

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: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent 09992e4d

drivers/gpu/drm/msm/mdp/mdp4/mdp4_lcdc_encoder.c

+6 −2
Original line number Original line Diff line number Diff line
@@ -346,8 +346,10 @@ static void mdp4_lcdc_encoder_disable(struct drm_encoder *encoder) 




	mdp4_write(mdp4_kms, REG_MDP4_LCDC_ENABLE, 0);

	mdp4_write(mdp4_kms, REG_MDP4_LCDC_ENABLE, 0);





	if (panel)

	if (panel) {

		drm_panel_disable(panel);

		drm_panel_disable(panel);

		drm_panel_unprepare(panel);

	}





	/*

	/*

	 * Wait for a vsync so we know the ENABLE=0 latched before

	 * 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)

	if (ret)

		dev_err(dev->dev, "failed to enable lcdc_clk: %d\n", 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);

		drm_panel_enable(panel);

	}





	setup_phy(encoder);

	setup_phy(encoder);