diff mbox series

[31/36] drm/stm: use bpp instead of cpp for drm_format_info

Message ID 1569243230-183568-1-git-send-email-hjc@rock-chips.com (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

黄家钗 Sept. 23, 2019, 12:53 p.m. UTC 
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 mbox series

Patch

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,