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drm/vc4: Add DPI driver

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The DPI interface involves taking a ton of our GPIOs to be used as
outputs, and routing display signals over them in parallel.

v2: Use display_info.bus_formats[] to replace our custom DT
    properties.
v3: Rebase on V3D documentation changes.
v4: Fix rebase detritus from V3D documentation changes.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Eric Anholt
2016-02-10 11:42:32 -08:00
parent 0b27c02a7f
commit 08302c35b5
7 changed files with 565 additions and 0 deletions
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5
drivers/gpu/drm/vc4/vc4_drv.h
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@@ -16,6 +16,7 @@ struct vc4_dev {
struct vc4_hvs *hvs;
struct vc4_crtc *crtc[3];
struct vc4_v3d *v3d;
struct vc4_dpi *dpi;
struct drm_fbdev_cma *fbdev;
@@ -422,6 +423,10 @@ void vc4_debugfs_cleanup(struct drm_minor *minor);
/* vc4_drv.c */
void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
/* vc4_dpi.c */
extern struct platform_driver vc4_dpi_driver;
int vc4_dpi_debugfs_regs(struct seq_file *m, void *unused);
/* vc4_gem.c */
void vc4_gem_init(struct drm_device *dev);
void vc4_gem_destroy(struct drm_device *dev);