diff options
| author | John Keeping <jkeeping@inmusicbrands.com> | 2025-01-15 11:01:38 +0000 |
|---|---|---|
| committer | Javier Martinez Canillas <javierm@redhat.com> | 2025-01-16 10:48:47 +0100 |
| commit | 229adcffdb54b13332d2afd2dc5d203418d50908 (patch) | |
| tree | c5a8c63a8277adf3fdc27162ae00c627802c5543 | |
| parent | 1e14484677c8e87548f5f0d4eb8800e408004404 (diff) | |
drm/ssd130x: ensure ssd132x pitch is correct
The bounding rectangle is adjusted to ensure it aligns to
SSD132X_SEGMENT_WIDTH, which may adjust the pitch. Calculate the pitch
after aligning the left and right edge.
Fixes: fdd591e00a9c ("drm/ssd130x: Add support for the SSD132x OLED controller family")
Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250115110139.1672488-3-jkeeping@inmusicbrands.com
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/solomon/ssd130x.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index 4bb663f984ce..dd2006d51c7a 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -1037,7 +1037,7 @@ static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb, struct drm_format_conv_state *fmtcnv_state) { struct ssd130x_device *ssd130x = drm_to_ssd130x(fb->dev); - unsigned int dst_pitch = drm_rect_width(rect); + unsigned int dst_pitch; struct iosys_map dst; int ret = 0; @@ -1046,6 +1046,8 @@ static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb, rect->x2 = min_t(unsigned int, round_up(rect->x2, SSD132X_SEGMENT_WIDTH), ssd130x->width); + dst_pitch = drm_rect_width(rect); + ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE); if (ret) return ret; |