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authorThomas Zimmermann <tzimmermann@suse.de>2022-01-11 14:26:34 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2022-01-14 14:43:02 +0100
commit5d474cc501b90b82c182b5d00439eb6790a82e21 (patch)
tree1ede14c1b65ad5052060dbb72bc5c8d7dff86142
parentbd672b7559efcd3ae3faf0b0e3846e30983e8ace (diff)
drm/mipi-dbi: Fix source-buffer address in mipi_dbi_buf_copydrm-misc-next-fixes-2022-01-14
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 (cherry picked from commit 9d31993451f6bb4059a9b9eec4856b2225e36df0) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
-rw-r--r--drivers/gpu/drm/drm_mipi_dbi.c2
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: