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drm/fsl-dcu: move layer initialization to plane file

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Move the initialization code for layers into a separate function
in the plane file. This allows to reuse the function on resume.
Also move it at the very beginning which may not matter but makes
logically much more sense.

Signed-off-by: Stefan Agner <stefan@agner.ch>
This commit is contained in:
Stefan Agner 2016-02-11 16:51:49 -08:00
parent 6aaf5a4995
commit 1277f80271
3 changed files with 19 additions and 11 deletions
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13
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c
View File

@ -138,9 +138,10 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)
{
struct drm_plane *primary;
struct drm_crtc *crtc = &fsl_dev->crtc;
unsigned int i, j;
int ret;
fsl_dcu_drm_init_planes(fsl_dev->drm);
primary = fsl_dcu_drm_primary_create_plane(fsl_dev->drm);
if (!primary)
return -ENOMEM;
@ -154,15 +155,5 @@ int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)
drm_crtc_helper_add(crtc, &fsl_dcu_drm_crtc_helper_funcs);
for (i = 0; i < fsl_dev->soc->total_layer; i++) {
for (j = 1; j <= fsl_dev->soc->layer_regs; j++)
regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(i, j), 0);
}
regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE,
DCU_MODE_DCU_MODE_MASK,
DCU_MODE_DCU_MODE(DCU_MODE_OFF));
regmap_write(fsl_dev->regmap, DCU_UPDATE_MODE,
DCU_UPDATE_MODE_READREG);
return 0;
}

16
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
View File

@ -217,6 +217,22 @@ static const u32 fsl_dcu_drm_plane_formats[] = {
DRM_FORMAT_YUV422,
};
void fsl_dcu_drm_init_planes(struct drm_device *dev)
{
struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
int i, j;
for (i = 0; i < fsl_dev->soc->total_layer; i++) {
for (j = 1; j <= fsl_dev->soc->layer_regs; j++)
regmap_write(fsl_dev->regmap, DCU_CTRLDESCLN(i, j), 0);
}
regmap_update_bits(fsl_dev->regmap, DCU_DCU_MODE,
DCU_MODE_DCU_MODE_MASK,
DCU_MODE_DCU_MODE(DCU_MODE_OFF));
regmap_write(fsl_dev->regmap, DCU_UPDATE_MODE,
DCU_UPDATE_MODE_READREG);
}
struct drm_plane *fsl_dcu_drm_primary_create_plane(struct drm_device *dev)
{
struct drm_plane *primary;

1
drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.h
View File

@ -12,6 +12,7 @@
#ifndef __FSL_DCU_DRM_PLANE_H__
#define __FSL_DCU_DRM_PLANE_H__
void fsl_dcu_drm_init_planes(struct drm_device *dev);
struct drm_plane *fsl_dcu_drm_primary_create_plane(struct drm_device *dev);
#endif /* __FSL_DCU_DRM_PLANE_H__ */