[PATCH] drm/rockchip: vop: fixup linebuffer mode calc error

Sandy Huang
2018-06-26T08:16:44Z

linebuffer mode should be LB_YUV_3840X5 when width is bigger
than 1280 in yuv mode.
seperate yuv and rgb case make the scl_vop_cal_lb_mode() logic
is clearer.

Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1523960108-190541-1-git-send-email-hjc@rock-chips.com
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index 084acdd..fcb9104 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -331,16 +331,19 @@ static inline int scl_vop_cal_lb_mode(int width, bool is_yuv)
{
int lb_mode;

- if (width > 2560)
- lb_mode = LB_RGB_3840X2;
- else if (width > 1920)
- lb_mode = LB_RGB_2560X4;
- else if (!is_yuv)
- lb_mode = LB_RGB_1920X5;
- else if (width > 1280)
- lb_mode = LB_YUV_3840X5;
- else
- lb_mode = LB_YUV_2560X8;
+ if (is_yuv) {
+ if (width > 1280)
+ lb_mode = LB_YUV_3840X5;
+ else
+ lb_mode = LB_YUV_2560X8;
+ } else {
+ if (width > 2560)
+ lb_mode = LB_RGB_3840X2;
+ else if (width > 1920)
+ lb_mode = LB_RGB_2560X4;
+ else
+ lb_mode = LB_RGB_1920X5;
+ }

return lb_mode;
}
--
2.7.4