drm/armada: use common helper for plane base address
Use a common helper to calculate the plane base address(es) for the
framebuffer.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
index 5e979bb..41fc28b 100644
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -169,9 +169,8 @@
armada_drm_plane_work_cancel(dcrtc, &dplane->base);
if (plane->fb != fb) {
- struct armada_gem_object *obj = drm_fb_obj(fb);
- uint32_t addr[3], pixel_format;
- int i, num_planes, hsub;
+ u32 addrs[3], pixel_format;
+ int num_planes, hsub;
/*
* Take a reference on the new framebuffer - we want to
@@ -185,6 +184,8 @@
src_y = src.y1 >> 16;
src_x = src.x1 >> 16;
+ armada_drm_plane_calc_addrs(addrs, fb, src_x, src_y);
+
pixel_format = fb->pixel_format;
hsub = drm_format_horz_chroma_subsampling(pixel_format);
num_planes = drm_format_num_planes(pixel_format);
@@ -197,24 +198,17 @@
if (src_x & (hsub - 1) && num_planes == 1)
ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV);
- for (i = 0; i < num_planes; i++)
- addr[i] = obj->dev_addr + fb->offsets[i] +
- src_y * fb->pitches[i] +
- src_x * drm_format_plane_cpp(pixel_format, i);
- for (; i < ARRAY_SIZE(addr); i++)
- addr[i] = 0;
-
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[0],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[0],
LCD_SPU_DMA_START_ADDR_Y0);
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[1],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[1],
LCD_SPU_DMA_START_ADDR_U0);
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[2],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[2],
LCD_SPU_DMA_START_ADDR_V0);
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[0],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[0],
LCD_SPU_DMA_START_ADDR_Y1);
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[1],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[1],
LCD_SPU_DMA_START_ADDR_U1);
- armada_reg_queue_set(dplane->vbl.regs, idx, addr[2],
+ armada_reg_queue_set(dplane->vbl.regs, idx, addrs[2],
LCD_SPU_DMA_START_ADDR_V1);
val = fb->pitches[0] << 16 | fb->pitches[0];