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Subject[PATCH v3 1/6] drm/rockchip: vop: Fix virtual stride calculation
Date
vir_stride need number words of the virtual width, and fb->pitches
save bytes_per_pixel, so just div 4 switch to stride.

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
Changes in v3:
Adviced by Tomasz Figa
- use more suitable tile for this patch.

Changes in v2: None

drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 4557f33..3558acb 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -644,7 +644,7 @@ static int vop_update_plane_event(struct drm_plane *plane,
offset += (src.y1 >> 16) * fb->pitches[0];
yrgb_mst = rk_obj->dma_addr + offset;

- y_vir_stride = fb->pitches[0] / (fb->bits_per_pixel >> 3);
+ y_vir_stride = fb->pitches[0] >> 2;

/*
* If this plane update changes the plane's framebuffer, (or more
--
1.7.9.5



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