vop support yuv with NV12, NV16 and NV24, only 2 plane yuv.
Signed-off-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>
---
Changes in v3:
Adviced by Tomasz Figa
- separate dest calculate to another patch
- fix src x1,x2 when do align, and remove unnecessary src.y1 align.
Changes in v2:
- Uv buffer not support odd offset, align it.
- Fix error display when move yuv image.
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 56 ++++++++++++++++++++++++++-
1 file changed, 54 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index c7e0283..47ce943 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -373,6 +373,18 @@ static enum vop_data_format vop_convert_format(uint32_t format)
}
}
+static bool is_yuv_support(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV24:
+ return true;
+ default:
+ return false;
+ }
+}
+
static bool is_alpha_support(uint32_t format)
{
switch (format) {
@@ -577,16 +589,21 @@ static int vop_update_plane_event(struct drm_plane *plane,
struct vop *vop = to_vop(crtc);
struct drm_gem_object *obj;
struct rockchip_gem_object *rk_obj;
+ struct drm_gem_object *uv_obj;
+ struct rockchip_gem_object *rk_uv_obj;
unsigned long offset;
unsigned int actual_w;
unsigned int actual_h;
unsigned int dsp_stx;
unsigned int dsp_sty;
unsigned int y_vir_stride;
+ unsigned int uv_vir_stride = 0;
dma_addr_t yrgb_mst;
+ dma_addr_t uv_mst = 0;
enum vop_data_format format;
uint32_t val;
bool is_alpha;
+ bool is_yuv;
bool visible;
int ret;
struct drm_rect dest = {
@@ -620,6 +637,8 @@ static int vop_update_plane_event(struct drm_plane *plane,
return 0;
is_alpha = is_alpha_support(fb->pixel_format);
+ is_yuv = is_yuv_support(fb->pixel_format);
+
format = vop_convert_format(fb->pixel_format);
if (format < 0)
return format;
@@ -632,18 +651,47 @@ static int vop_update_plane_event(struct drm_plane *plane,
rk_obj = to_rockchip_obj(obj);
+ if (is_yuv) {
+ /*
+ * Src.x1 can be odd when do clip, but yuv plane start point
+ * need align with 2 pixel.
+ */
+ val = (src.x1 >> 16) % 2;
+ src.x1 += val << 16;
+ src.x2 += val << 16;
+ }
+
actual_w = (src.x2 - src.x1) >> 16;
actual_h = (src.y2 - src.y1) >> 16;
dsp_stx = dest.x1 + crtc->mode.htotal - crtc->mode.hsync_start;
dsp_sty = dest.y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
- offset = (src.x1 >> 16) * (fb->bits_per_pixel >> 3);
+ offset = (src.x1 >> 16) * drm_format_plane_cpp(fb->pixel_format, 0);
offset += (src.y1 >> 16) * fb->pitches[0];
- yrgb_mst = rk_obj->dma_addr + offset;
+ yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0];
y_vir_stride = fb->pitches[0] >> 2;
+ if (is_yuv) {
+ int hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
+ int vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
+ int bpp = drm_format_plane_cpp(fb->pixel_format, 1);
+
+ uv_obj = rockchip_fb_get_gem_obj(fb, 1);
+ if (!uv_obj) {
+ DRM_ERROR("fail to get uv object from framebuffer\n");
+ return -EINVAL;
+ }
+ rk_uv_obj = to_rockchip_obj(uv_obj);
+ uv_vir_stride = fb->pitches[1] >> 2;
+
+ offset = (src.x1 >> 16) * bpp / hsub;
+ offset += (src.y1 >> 16) * fb->pitches[1] / vsub;
+
+ uv_mst = rk_uv_obj->dma_addr + offset + fb->offsets[1];
+ }
+
/*
* If this plane update changes the plane's framebuffer, (or more
* precisely, if this update has a different framebuffer than the last
@@ -679,6 +727,10 @@ static int vop_update_plane_event(struct drm_plane *plane,
VOP_WIN_SET(vop, win, format, format);
VOP_WIN_SET(vop, win, yrgb_vir, y_vir_stride);
VOP_WIN_SET(vop, win, yrgb_mst, yrgb_mst);
+ if (is_yuv) {
+ VOP_WIN_SET(vop, win, uv_vir, uv_vir_stride);
+ VOP_WIN_SET(vop, win, uv_mst, uv_mst);
+ }
val = (actual_h - 1) << 16;
val |= (actual_w - 1) & 0xffff;
VOP_WIN_SET(vop, win, act_info, val);
--
1.7.9.5
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