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video: rockchip: rga3: bi-linear defaults to half-mode

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Change-Id: Ibe96b48bc96786ca53ba055f16d452761db9baf1
Signed-off-by: Yu Qiaowei <cerf.yu@rock-chips.com>
This commit is contained in:
Yu Qiaowei
2023-12-25 17:06:11 +08:00
committed by Tao Huang
parent 9d3a698344
commit 9681934706
1 changed files with 23 additions and 6 deletions
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29
drivers/video/rockchip/rga3/rga2_reg_info.c
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@@ -110,6 +110,7 @@ static void RGA2_reg_get_param(unsigned char *base, struct rga2_req *msg)
u32 sw, sh;
u32 dw, dh;
u32 param_x, param_y;
u32 scale_x_offset, scale_y_offset;
bRGA_SRC_X_FACTOR = (u32 *) (base + RGA2_SRC_X_FACTOR_OFFSET);
bRGA_SRC_Y_FACTOR = (u32 *) (base + RGA2_SRC_Y_FACTOR_OFFSET);
@@ -127,12 +128,20 @@ static void RGA2_reg_get_param(unsigned char *base, struct rga2_req *msg)
sh = msg->src.act_h;
if (sw > dw) {
if (msg->interp.horiz == RGA_INTERP_LINEAR) {
/* default to half_pixel mode. */
param_x = (sw << 12) / dw;
scale_x_offset = 0x1ff;
*bRGA_SRC_X_FACTOR = ((param_x & 0xffff) | ((scale_x_offset) << 16));
} else {
#if SCALE_DOWN_LARGE
param_x = ((dw) << 16) / (sw) + 1;
param_x = ((dw) << 16) / (sw) + 1;
#else
param_x = ((dw) << 16) / (sw);
param_x = ((dw) << 16) / (sw);
#endif
*bRGA_SRC_X_FACTOR |= ((param_x & 0xffff) << 0);
*bRGA_SRC_X_FACTOR |= ((param_x & 0xffff) << 0);
}
} else if (sw < dw) {
#if SCALE_UP_LARGE
param_x = ((sw - 1) << 16) / (dw - 1);
@@ -145,12 +154,20 @@ static void RGA2_reg_get_param(unsigned char *base, struct rga2_req *msg)
}
if (sh > dh) {
if (msg->interp.verti == RGA_INTERP_LINEAR) {
/* default to half_pixel mode. */
param_y = (sh << 12) / dh;
scale_y_offset = 0x1ff;
*bRGA_SRC_Y_FACTOR = ((param_y & 0xffff) | ((scale_y_offset) << 16));
} else {
#if SCALE_DOWN_LARGE
param_y = ((dh) << 16) / (sh) + 1;
param_y = ((dh) << 16) / (sh) + 1;
#else
param_y = ((dh) << 16) / (sh);
param_y = ((dh) << 16) / (sh);
#endif
*bRGA_SRC_Y_FACTOR |= ((param_y & 0xffff) << 0);
*bRGA_SRC_Y_FACTOR |= ((param_y & 0xffff) << 0);
}
} else if (sh < dh) {
#if SCALE_UP_LARGE
param_y = ((sh - 1) << 16) / (dh - 1);