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drm/verisilicon: bias fb address for dual-head offset

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Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
This commit is contained in:
Icenowy Zheng
2023-12-28 19:41:24 +08:00
committed by Han Gao/Revy/Rabenda
parent 6bafa84231
commit 6bb5a30b0e
1 changed files with 25 additions and 0 deletions
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25
drivers/gpu/drm/verisilicon/vs_dc.c
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@@ -493,18 +493,43 @@ static void update_fb(struct vs_plane *plane, u8 display_id,
struct vs_plane_state *plane_state = to_vs_plane_state(state);
struct drm_framebuffer *drm_fb = state->fb;
struct drm_rect *src = &state->src;
u32 src_x, src_y;
src_y = src->y1 >> 16;
src_x = src->x1 >> 16;
fb->display_id = display_id;
fb->y_address = plane->dma_addr[0];
if (src_y)
fb->y_address += src_y * drm_fb->pitches[0];
if (src_x)
fb->y_address += src_x * drm_fb->format->cpp[0];
fb->y_stride = drm_fb->pitches[0];
if (drm_fb->format->format == DRM_FORMAT_YVU420) {
fb->u_address = plane->dma_addr[2];
if (src_y)
fb->u_address += src_y * drm_fb->pitches[2];
if (src_x)
fb->u_address += src_x * drm_fb->format->cpp[2];
fb->v_address = plane->dma_addr[1];
if (src_y)
fb->v_address += src_y * drm_fb->pitches[1];
if (src_x)
fb->v_address += src_x * drm_fb->format->cpp[1];
fb->u_stride = drm_fb->pitches[2];
fb->v_stride = drm_fb->pitches[1];
} else {
fb->u_address = plane->dma_addr[1];
if (src_y)
fb->u_address += src_y * drm_fb->pitches[1];
if (src_x)
fb->u_address += src_x * drm_fb->format->cpp[1];
fb->v_address = plane->dma_addr[2];
if (src_y)
fb->v_address += src_y * drm_fb->pitches[2];
if (src_x)
fb->v_address += src_x * drm_fb->format->cpp[2];
fb->u_stride = drm_fb->pitches[1];
fb->v_stride = drm_fb->pitches[2];
}