summaryrefslogtreecommitdiffstats
path: root/drivers/video
diff options
context:
space:
mode:
authorMarko Kohtala <marko.kohtala@okoko.fi>2019-06-18 10:41:08 +0300
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-07-23 17:18:06 +0200
commitdd9782834dd9dde3624ff1acea8859f3d3e792d4 (patch)
tree70a0b00a0c614c231d914cf80283826232e61312 /drivers/video
parent6bc9431111be1d4c23ceb0b7c10c0ce09d1c9e9d (diff)
downloadblackbird-op-linux-dd9782834dd9dde3624ff1acea8859f3d3e792d4.tar.gz
blackbird-op-linux-dd9782834dd9dde3624ff1acea8859f3d3e792d4.zip
video: ssd1307fb: Start page range at page_offset
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> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: David Airlie <airlied@linux.ie> Cc: Michal Vokáč <michal.vokac@ysoft.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190618074111.9309-4-marko.kohtala@okoko.fi
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/ssd1307fb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index c03940b03f95..4f911480f2eb 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -432,7 +432,7 @@ 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;
OpenPOWER on IntegriCloud