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drm/msm/hdmi: refactor bind/init

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Split up hdmi_init() into hdmi_init() (done at hdmi sub-device
bind/probe time) and hdmi_modeset_init() done from master driver's
modeset_init().

Anything that can fail due to dependencies on other drivers which
may be missing or not probed yet should go in hdmi_init(), so that
devm error/cleanup paths work properly.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark
2014-11-04 13:33:14 -05:00
parent bc00ae02e4
commit 067fef372c
7 changed files with 85 additions and 55 deletions
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10
drivers/gpu/drm/msm/msm_drv.h
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@@ -75,7 +75,12 @@ struct msm_drm_private {
struct msm_kms *kms;
/* subordinate devices, if present: */
struct platform_device *hdmi_pdev, *gpu_pdev;
struct platform_device *gpu_pdev;
/* possibly this should be in the kms component, but it is
* shared by both mdp4 and mdp5..
*/
struct hdmi *hdmi;
/* when we have more than one 'msm_gpu' these need to be an array: */
struct msm_gpu *gpu;
@@ -202,7 +207,8 @@ struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev);
struct hdmi;
struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder);
int hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev,
struct drm_encoder *encoder);
irqreturn_t hdmi_irq(int irq, void *dev_id);
void __init hdmi_register(void);
void __exit hdmi_unregister(void);