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SubjectRe: [PATCH] drm/rockchip: Add BGR formats to VOP
Hi Tomasz
Thanks for the fix, but some register is wrong.

On 2015年05月08日 16:16, Tomasz Figa wrote:
> 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>
> ---
> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 33 +++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index 4557f33..45fa11c 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -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(WIN0_CTRL0, 0x1, 12),
Should be:

.rb_swap = VOP_REG(VOP_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(WIN0_CTRL0, 0x1, 12),
cursor win not support rb_swap, remove it.
> .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,


--
Mark Yao




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