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drm/exynos: added possible_clones setup function.
basically, all crtcs are possible to clone each other. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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4 changed files with 42 additions and 0 deletions
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@ -193,6 +193,9 @@ int exynos_drm_subdrv_register(struct exynos_drm_subdrv *subdrv)
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return err;
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}
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/* setup possible_clones. */
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exynos_drm_encoder_setup(drm_dev);
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/*
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* if any specific driver such as fimd or hdmi driver called
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* exynos_drm_subdrv_register() later than drm_load(),
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@ -33,6 +33,7 @@
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#include "exynos_drm_drv.h"
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#include "exynos_drm_crtc.h"
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#include "exynos_drm_encoder.h"
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#include "exynos_drm_fbdev.h"
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#include "exynos_drm_fb.h"
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#include "exynos_drm_gem.h"
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@ -99,6 +100,9 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
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if (ret)
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goto err_vblank;
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/* setup possible_clones. */
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exynos_drm_encoder_setup(dev);
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/*
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* create and configure fb helper and also exynos specific
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* fbdev object.
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@ -195,6 +195,40 @@ static struct drm_encoder_funcs exynos_encoder_funcs = {
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.destroy = exynos_drm_encoder_destroy,
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};
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static unsigned int exynos_drm_encoder_clones(struct drm_encoder *encoder)
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{
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struct drm_encoder *clone;
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struct drm_device *dev = encoder->dev;
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struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
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struct exynos_drm_display_ops *display_ops =
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exynos_encoder->manager->display_ops;
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unsigned int clone_mask = 0;
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int cnt = 0;
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list_for_each_entry(clone, &dev->mode_config.encoder_list, head) {
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switch (display_ops->type) {
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case EXYNOS_DISPLAY_TYPE_LCD:
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case EXYNOS_DISPLAY_TYPE_HDMI:
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clone_mask |= (1 << (cnt++));
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break;
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default:
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continue;
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}
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}
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return clone_mask;
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}
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void exynos_drm_encoder_setup(struct drm_device *dev)
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{
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struct drm_encoder *encoder;
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DRM_DEBUG_KMS("%s\n", __FILE__);
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list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
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encoder->possible_clones = exynos_drm_encoder_clones(encoder);
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}
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struct drm_encoder *
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exynos_drm_encoder_create(struct drm_device *dev,
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struct exynos_drm_manager *manager,
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@ -30,6 +30,7 @@
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struct exynos_drm_manager;
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void exynos_drm_encoder_setup(struct drm_device *dev);
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struct drm_encoder *exynos_drm_encoder_create(struct drm_device *dev,
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struct exynos_drm_manager *mgr,
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unsigned int possible_crtcs);
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