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video/drm: add panel node parameters for screen rotate 

Change-Id: I83112f8a05bd301327d7d1ca21eda97594d95823
Signed-off-by: Shixiang Zheng <shixiang.zheng@rock-chips.com>
This commit is contained in:
Shixiang Zheng 2019-05-31 11:18:34 +08:00 committed by Jianhong Chen
parent cb0376d1ac
commit ffa55e1823
4 changed files with 42 additions and 5 deletions
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12
drivers/video/drm/rockchip_display.c
View File

@ -294,6 +294,9 @@ static int display_get_timing_from_dts(struct panel_state *panel_state,
return -ENXIO; \
}
#define FDT_GET_INT_DEFAULT(val, name, default) \
val = ofnode_read_s32_default(native_mode, name, default);
FDT_GET_INT(hactive, "hactive");
FDT_GET_INT(vactive, "vactive");
FDT_GET_INT(pixelclock, "clock-frequency");
@ -310,6 +313,15 @@ static int display_get_timing_from_dts(struct panel_state *panel_state,
FDT_GET_INT(val, "pixelclk-active");
flags |= val ? DRM_MODE_FLAG_PPIXDATA : 0;
FDT_GET_INT_DEFAULT(val, "screen-rotate", 0);
if (val == DRM_MODE_FLAG_XMIRROR) {
flags |= DRM_MODE_FLAG_XMIRROR;
} else if (val == DRM_MODE_FLAG_YMIRROR) {
flags |= DRM_MODE_FLAG_YMIRROR;
} else if (val == DRM_MODE_FLAG_XYMIRROR) {
flags |= DRM_MODE_FLAG_XMIRROR;
flags |= DRM_MODE_FLAG_YMIRROR;
}
mode->hdisplay = hactive;
mode->hsync_start = mode->hdisplay + hfront_porch;
mode->hsync_end = mode->hsync_start + hsync_len;

25
drivers/video/drm/rockchip_vop.c
View File

@ -653,6 +653,7 @@ static int rockchip_vop_set_plane(struct display_state *state)
int crtc_w = crtc_state->crtc_w;
int crtc_h = crtc_state->crtc_h;
int xvir = crtc_state->xvir;
int x_mirror = 0, y_mirror = 0;
act_info = (src_h - 1) << 16;
act_info |= (src_w - 1) & 0xffff;
@ -664,13 +665,27 @@ static int rockchip_vop_set_plane(struct display_state *state)
dsp_sty = crtc_y + mode->crtc_vtotal - mode->crtc_vsync_start;
dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
if (crtc_state->ymirror) {
if (VOP_WIN_SUPPORT(vop, vop->win, ymirror))
if (mode->flags & DRM_MODE_FLAG_YMIRROR)
y_mirror = 1;
else
y_mirror = 0;
if (mode->flags & DRM_MODE_FLAG_XMIRROR)
x_mirror = 1;
else
x_mirror = 0;
if (crtc_state->ymirror ^ y_mirror)
y_mirror = 1;
else
y_mirror = 0;
if (y_mirror) {
if (VOP_CTRL_SUPPORT(vop, ymirror))
crtc_state->dma_addr += (src_h - 1) * xvir * 4;
else
crtc_state->ymirror = 0;
}
VOP_WIN_SET(vop, ymirror, crtc_state->ymirror);
y_mirror = 0;
}
VOP_CTRL_SET(vop, ymirror, y_mirror);
VOP_CTRL_SET(vop, xmirror, x_mirror);
VOP_WIN_SET(vop, format, crtc_state->format);
VOP_WIN_SET(vop, yrgb_vir, xvir);
VOP_WIN_SET(vop, yrgb_mst, crtc_state->dma_addr);

5
include/drm_modes.h
View File

@ -38,6 +38,11 @@
#define DRM_MODE_FLAG_CLKDIV2 (1 << 13)
#define DRM_MODE_FLAG_PPIXDATA BIT(31)
/* 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_CONNECTOR_Unknown 0
#define DRM_MODE_CONNECTOR_VGA 1
#define DRM_MODE_CONNECTOR_DVII 2

5
include/linux/media-bus-format.h
View File

@ -145,4 +145,9 @@
/* 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 */