diff options
| author | Simon Glass <sjg@chromium.org> | 2018-11-29 15:08:52 -0700 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2018-12-03 19:09:44 +0100 |
| commit | 06696ebe674de7f65d4f5046a8639b358c6b358c (patch) | |
| tree | 50631d977226b27f04dfeb9dbf777afd03d8e0ea | |
| parent | 8f5bfb7615e82ffccebf79530b08034f81e56268 (diff) | |
video: Allow driver to specify the line length
At present line_length is always calculated in video_post_probe(). But
some hardware may use a different line length, e.g. with a 1366-wide
display.
Allow the driver to set this value if needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
| -rw-r--r-- | drivers/pci/pci_rom.c | 1 | ||||
| -rw-r--r-- | drivers/video/video-uclass.c | 4 | ||||
| -rw-r--r-- | include/video.h | 4 |
3 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index eaacd4066e..7d9b75c2c4 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -331,6 +331,7 @@ int vbe_setup_video_priv(struct vesa_mode_info *vesa, return log_msg_ret("No x resolution", -ENXIO); uc_priv->xsize = vesa->x_resolution; uc_priv->ysize = vesa->y_resolution; + uc_priv->line_length = vesa->bytes_per_scanline; switch (vesa->bits_per_pixel) { case 32: case 24: diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c index b6551b69d3..f307cf243b 100644 --- a/drivers/video/video-uclass.c +++ b/drivers/video/video-uclass.c @@ -226,7 +226,9 @@ static int video_post_probe(struct udevice *dev) /* Set up the line and display size */ priv->fb = map_sysmem(plat->base, plat->size); - priv->line_length = priv->xsize * VNBYTES(priv->bpix); + if (!priv->line_length) + priv->line_length = priv->xsize * VNBYTES(priv->bpix); + priv->fb_size = priv->line_length * priv->ysize; /* Set up colors */ diff --git a/include/video.h b/include/video.h index 3f9139eea4..1d57b48b17 100644 --- a/include/video.h +++ b/include/video.h @@ -61,7 +61,9 @@ enum video_log2_bpp { * @font_size: Font size in pixels (0 to use a default value) * @fb: Frame buffer * @fb_size: Frame buffer size - * @line_length: Length of each frame buffer line, in bytes + * @line_length: Length of each frame buffer line, in bytes. This can be + * set by the driver, but if not, the uclass will set it after + * probing * @colour_fg: Foreground colour (pixel value) * @colour_bg: Background colour (pixel value) * @flush_dcache: true to enable flushing of the data cache after |