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Subject[PATCH 31/36] drm/stm: use bpp instead of cpp for drm_format_info
Date
cpp[BytePerPlane] can't describe the 10bit data format correctly,
So we use bpp[BitPerPlane] to instead cpp.

Signed-off-by: Sandy Huang <hjc@rock-chips.com>
---
drivers/gpu/drm/stm/ltdc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 5b512989..527c735 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -817,7 +817,7 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane,

/* Configures the color frame buffer pitch in bytes & line length */
pitch_in_bytes = fb->pitches[0];
- line_length = fb->format->cpp[0] *
+ line_length = fb->format->bpp[0] / 8 *
(x1 - x0 + 1) + (ldev->caps.bus_width >> 3) - 1;
val = ((pitch_in_bytes << 16) | line_length);
reg_update_bits(ldev->regs, LTDC_L1CFBLR + lofs,
--
2.7.4


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