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drm/rockchip: add panel node parameters for screen rotate

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Change-Id: I3cc1e1d1a514545c7bc069f3a29e8c38da2ce5b7
Signed-off-by: Shixiang Zheng <shixiang.zheng@rock-chips.com>
This commit is contained in:
Shixiang Zheng
2019-05-27 21:52:22 +08:00
committed by Tao Huang
parent 3be8b37f59
commit 450b50c8ea
5 changed files with 31 additions and 2 deletions
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4
drivers/gpu/drm/drm_modes.c
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@@ -613,6 +613,10 @@ void drm_display_mode_from_videomode(const struct videomode *vm,
dmode->flags |= DRM_MODE_FLAG_DBLCLK;
if (vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
dmode->flags |= DRM_MODE_FLAG_PPIXDATA;
if (vm->flags & DISPLAY_FLAGS_MIRROR_Y)
dmode->flags |= DRM_MODE_FLAG_YMIRROR;
if (vm->flags & DISPLAY_FLAGS_MIRROR_X)
dmode->flags |= DRM_MODE_FLAG_XMIRROR;
drm_mode_set_name(dmode);
}

10
drivers/video/of_display_timing.c
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@@ -91,6 +91,16 @@ static int of_parse_display_timing(const struct device_node *np,
if (!of_property_read_u32(np, "pixelclk-active", &val))
dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE :
DISPLAY_FLAGS_PIXDATA_NEGEDGE;
if (!of_property_read_u32(np, "screen-rotate", &val)) {
if (val == DRM_MODE_FLAG_XMIRROR) {
dt->flags |= DISPLAY_FLAGS_MIRROR_X;
} else if (val == DRM_MODE_FLAG_YMIRROR) {
dt->flags |= DISPLAY_FLAGS_MIRROR_Y;
} else if (val == DRM_MODE_FLAG_XYMIRROR) {
dt->flags |= DISPLAY_FLAGS_MIRROR_X;
dt->flags |= DISPLAY_FLAGS_MIRROR_Y;
}
}
if (of_property_read_bool(np, "interlaced"))
dt->flags |= DISPLAY_FLAGS_INTERLACED;

5
include/dt-bindings/display/media-bus-format.h
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@@ -150,4 +150,9 @@
/* HSV - next is 0x6002 */
#define MEDIA_BUS_FMT_AHSV8888_1X32 0x6001
/* Panel Mirror control */
#define DRM_MODE_FLAG_XMIRROR (1 << 28)
#define DRM_MODE_FLAG_YMIRROR (1 << 29)
#define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR)
#endif /* __LINUX_MEDIA_BUS_FORMAT_H */

5
include/uapi/drm/drm_mode.h
View File

@@ -87,6 +87,11 @@
#define DRM_MODE_FLAG_PIC_AR_16_9 \
(DRM_MODE_PICTURE_ASPECT_16_9<<19)
/* Panel Mirror control */
#define DRM_MODE_FLAG_XMIRROR (1 << 28)
#define DRM_MODE_FLAG_YMIRROR (1 << 29)
#define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR)
#define DRM_MODE_FLAG_PPIXDATA (1<<31)
/* DPMS flags */
/* bit compatible with the xorg definitions. */

9
include/video/display_timing.h
View File

@@ -28,13 +28,18 @@ enum display_flags {
DISPLAY_FLAGS_INTERLACED = BIT(8),
DISPLAY_FLAGS_DOUBLESCAN = BIT(9),
DISPLAY_FLAGS_DOUBLECLK = BIT(10),
#if defined(CONFIG_FB_ROCKCHIP)
DISPLAY_FLAGS_SWAP_GB = BIT(16),
DISPLAY_FLAGS_SWAP_RG = BIT(17),
DISPLAY_FLAGS_SWAP_RB = BIT(18),
#endif
DISPLAY_FLAGS_MIRROR_X = BIT(19),
DISPLAY_FLAGS_MIRROR_Y = BIT(20),
};
/* Panel Mirror control */
#define DRM_MODE_FLAG_XMIRROR (1 << 28)
#define DRM_MODE_FLAG_YMIRROR (1 << 29)
#define DRM_MODE_FLAG_XYMIRROR (DRM_MODE_FLAG_XMIRROR | DRM_MODE_FLAG_YMIRROR)
/*
* A single signal can be specified via a range of minimal and maximal values
* with a typical value, that lies somewhere inbetween.