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drm/ssd130x: fix ssd132x_clear_screen() columns

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[ Upstream commit e479da4054875c4cc53a7fb956ebff03d2dac939 ]

The number of columns relates to the width, not the height.  Use the
correct variable.

Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Fixes: fdd591e00a ("drm/ssd130x: Add support for the SSD132x OLED controller family")
Link: https://lore.kernel.org/r/20250611111307.1814876-1-jkeeping@inmusicbrands.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
John Keeping
2025-06-11 12:13:06 +01:00
committed by Greg Kroah-Hartman
parent 8a1f52651d
commit 9216ca340b
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/solomon/ssd130x.c
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@@ -974,7 +974,7 @@ static void ssd130x_clear_screen(struct ssd130x_device *ssd130x, u8 *data_array)
static void ssd132x_clear_screen(struct ssd130x_device *ssd130x, u8 *data_array)
{
unsigned int columns = DIV_ROUND_UP(ssd130x->height, SSD132X_SEGMENT_WIDTH);
unsigned int columns = DIV_ROUND_UP(ssd130x->width, SSD132X_SEGMENT_WIDTH);
unsigned int height = ssd130x->height;
memset(data_array, 0, columns * height);