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drm/rockchip: Add BGR formats to VOP 

VOP can support BGR formats in all windows thanks to red/blue swap option
provided in WINx_CTRL0 registers. This patch enables support for
ABGR8888, XBGR8888, BGR888 and BGR565 formats by using this feature.

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
This commit is contained in:
Tomasz Figa 2015-05-11 19:55:39 +09:00 коммит произвёл Mark Yao
Родитель c5fd936e99
Коммит 85a359f253
1 изменённых файлов: 33 добавлений и 0 удалений
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33
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@ -169,6 +169,7 @@ struct vop_win_phy {
struct vop_reg enable;
struct vop_reg format;
struct vop_reg rb_swap;
struct vop_reg act_info;
struct vop_reg dsp_info;
struct vop_reg dsp_st;
@ -198,8 +199,12 @@ struct vop_data {
static const uint32_t formats_01[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_BGR888,
DRM_FORMAT_RGB565,
DRM_FORMAT_BGR565,
DRM_FORMAT_NV12,
DRM_FORMAT_NV16,
DRM_FORMAT_NV24,
@ -208,8 +213,12 @@ static const uint32_t formats_01[] = {
static const uint32_t formats_234[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_BGR888,
DRM_FORMAT_RGB565,
DRM_FORMAT_BGR565,
};
static const struct vop_win_phy win01_data = {
@ -217,6 +226,7 @@ static const struct vop_win_phy win01_data = {
.nformats = ARRAY_SIZE(formats_01),
.enable = VOP_REG(WIN0_CTRL0, 0x1, 0),
.format = VOP_REG(WIN0_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12),
.act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0),
.dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0),
.dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0),
@ -233,6 +243,7 @@ static const struct vop_win_phy win23_data = {
.nformats = ARRAY_SIZE(formats_234),
.enable = VOP_REG(WIN2_CTRL0, 0x1, 0),
.format = VOP_REG(WIN2_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12),
.dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0),
.dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0),
.yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0),
@ -246,6 +257,7 @@ static const struct vop_win_phy cursor_data = {
.nformats = ARRAY_SIZE(formats_234),
.enable = VOP_REG(HWC_CTRL0, 0x1, 0),
.format = VOP_REG(HWC_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(HWC_CTRL0, 0x1, 12),
.dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0),
.yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0),
};
@ -351,15 +363,32 @@ static inline void vop_mask_write_relaxed(struct vop *vop, uint32_t offset,
}
}
static bool has_rb_swapped(uint32_t format)
{
switch (format) {
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_BGR888:
case DRM_FORMAT_BGR565:
return true;
default:
return false;
}
}
static enum vop_data_format vop_convert_format(uint32_t format)
{
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
return VOP_FMT_ARGB8888;
case DRM_FORMAT_RGB888:
case DRM_FORMAT_BGR888:
return VOP_FMT_RGB888;
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
return VOP_FMT_RGB565;
case DRM_FORMAT_NV12:
return VOP_FMT_YUV420SP;
@ -377,6 +406,7 @@ static bool is_alpha_support(uint32_t format)
{
switch (format) {
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
return true;
default:
return false;
@ -587,6 +617,7 @@ static int vop_update_plane_event(struct drm_plane *plane,
enum vop_data_format format;
uint32_t val;
bool is_alpha;
bool rb_swap;
bool visible;
int ret;
struct drm_rect dest = {
@ -620,6 +651,7 @@ static int vop_update_plane_event(struct drm_plane *plane,
return 0;
is_alpha = is_alpha_support(fb->pixel_format);
rb_swap = has_rb_swapped(fb->pixel_format);
format = vop_convert_format(fb->pixel_format);
if (format < 0)
return format;
@ -688,6 +720,7 @@ static int vop_update_plane_event(struct drm_plane *plane,
val = (dsp_sty - 1) << 16;
val |= (dsp_stx - 1) & 0xffff;
VOP_WIN_SET(vop, win, dsp_st, val);
VOP_WIN_SET(vop, win, rb_swap, rb_swap);
if (is_alpha) {
VOP_WIN_SET(vop, win, dst_alpha_ctl,