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| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-01-11 16:26:34 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-01-12 12:26:03 +0300 |
| commit | 9d31993451f6bb4059a9b9eec4856b2225e36df0 (patch) | |
| tree | 00fa0457eba3bee44a1facfe240649c4a71cee33 /drivers/gpu/drm/drm_mipi_dbi.c | |
| parent | e592dc320559ebc8166c1dce609faa7e4f3d6da1 (diff) | |
| download | linux-9d31993451f6bb4059a9b9eec4856b2225e36df0.tar.xz | |
drm/mipi-dbi: Fix source-buffer address in mipi_dbi_buf_copy
Set the source-buffer address after mapping the buffer into the
kernel's address space. Makes MIPI DBI helpers work again.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: c47160d8edcd ("drm/mipi-dbi: Remove dependency on GEM CMA helper library")
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reported-by: Noralf Trønnes <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220111132634.18302-1-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dbi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dbi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c index ded8968b3e8a..0327d595e028 100644 --- a/drivers/gpu/drm/drm_mipi_dbi.c +++ b/drivers/gpu/drm/drm_mipi_dbi.c @@ -209,11 +209,11 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE); if (ret) return ret; - src = data[0].vaddr; /* TODO: Use mapping abstraction properly */ ret = drm_gem_fb_vmap(fb, map, data); if (ret) goto out_drm_gem_fb_end_cpu_access; + src = data[0].vaddr; /* TODO: Use mapping abstraction properly */ switch (fb->format->format) { case DRM_FORMAT_RGB565: |