drm/armada: add rectangle helpers

Add helpers to convert rectangle width/height and x/y to register
values.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 78bb3d5..205d5dc 100644 (file)
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -1158,11 +1158,9 @@ static void armada_drm_primary_update_state(struct drm_plane_state *state,
                                     0, CFG_PDWN64x66, LCD_SPU_SRAM_PARA1);
 
        dplane->state.ctrl0 = val;
-       dplane->state.src_hw = (drm_rect_height(&state->src) & 0xffff0000) |
-                               drm_rect_width(&state->src) >> 16;
-       dplane->state.dst_hw = drm_rect_height(&state->dst) << 16 |
-                              drm_rect_width(&state->dst);
-       dplane->state.dst_yx = state->dst.y1 << 16 | state->dst.x1;
+       dplane->state.src_hw = armada_rect_hw_fp(&state->src);
+       dplane->state.dst_hw = armada_rect_hw(&state->dst);
+       dplane->state.dst_yx = armada_rect_yx(&state->dst);
 
        armada_drm_gra_plane_regs(regs + idx, &dfb->fb, &dplane->state,
                                  state->src.x1 >> 16, state->src.y1 >> 16,

diff --git a/drivers/gpu/drm/armada/armada_hw.h b/drivers/gpu/drm/armada/armada_hw.h
index 345dc4d..277580b 100644 (file)
--- a/drivers/gpu/drm/armada/armada_hw.h
+++ b/drivers/gpu/drm/armada/armada_hw.h
@@ -316,4 +316,19 @@ enum {
        PWRDN_IRQ_LEVEL         = 1 << 0,
 };
 
+static inline u32 armada_rect_hw_fp(struct drm_rect *r)
+{
+       return (drm_rect_height(r) & 0xffff0000) | drm_rect_width(r) >> 16;
+}
+
+static inline u32 armada_rect_hw(struct drm_rect *r)
+{
+       return drm_rect_height(r) << 16 | (drm_rect_width(r) & 0x0000ffff);
+}
+
+static inline u32 armada_rect_yx(struct drm_rect *r)
+{
+       return (r)->y1 << 16 | ((r)->x1 & 0x0000ffff);
+}
+
 #endif

diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
index afa7ded..2347811 100644 (file)
--- a/drivers/gpu/drm/armada/armada_overlay.c
+++ b/drivers/gpu/drm/armada/armada_overlay.c
@@ -146,22 +146,21 @@ static void armada_ovl_plane_update_state(struct drm_plane_state *state,
                                     LCD_SPU_DMA_PITCH_UV);
        }
 
-       val = (drm_rect_height(&state->src) & 0xffff0000) |
-              drm_rect_width(&state->src) >> 16;
+       val = armada_rect_hw_fp(&state->src);
        if (dplane->base.state.src_hw != val) {
                dplane->base.state.src_hw = val;
                armada_reg_queue_set(regs, idx, val,
                                     LCD_SPU_DMA_HPXL_VLN);
        }
 
-       val = drm_rect_height(&state->dst) << 16 | drm_rect_width(&state->dst);
+       val = armada_rect_hw(&state->dst);
        if (dplane->base.state.dst_hw != val) {
                dplane->base.state.dst_hw = val;
                armada_reg_queue_set(regs, idx, val,
                                     LCD_SPU_DZM_HPXL_VLN);
        }
 
-       val = state->dst.y1 << 16 | state->dst.x1;
+       val = armada_rect_yx(&state->dst);
        if (dplane->base.state.dst_yx != val) {
                dplane->base.state.dst_yx = val;
                armada_reg_queue_set(regs, idx, val,