[3/6] video: ssd1307fb: Start page range at page_offset

Submitted by Marko Kohtala on June 18, 2019, 7:41 a.m.

Details

Message ID 20190618074111.9309-4-marko.kohtala@okoko.fi
State Accepted
Commit dd9782834dd9dde3624ff1acea8859f3d3e792d4
Headers show
Series "video: ssd1307fb: Support more displays" ( rev: 1 ) in DRI devel

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Commit Message

Marko Kohtala June 18, 2019, 7:41 a.m.
The page_offset was only applied to the end of the page range. This caused
the display updates to cause a scrolling effect on the display because the
amount of data written to the display did not match the range display
expected.

Fixes: 301bc0675b67 ("video: ssd1307fb: Make use of horizontal addressing mode")
Signed-off-by: Marko Kohtala <marko.kohtala@okoko.fi>
---
 drivers/video/fbdev/ssd1307fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch hide | download patch | download mbox

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 9ab00e0dadc7..86f2b79f3ed5 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -433,7 +433,7 @@  static int ssd1307fb_init(struct ssd1307fb_par *par)
 	if (ret < 0)
 		return ret;
 
-	ret = ssd1307fb_write_cmd(par->client, 0x0);
+	ret = ssd1307fb_write_cmd(par->client, par->page_offset);
 	if (ret < 0)
 		return ret;