diff options
| author | Thierry Reding <treding@nvidia.com> | 2014-07-11 08:29:14 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-08-04 10:07:38 +0200 |
| commit | d1f3e1e0b38d49cbb996dcf0fde5b5205d12a23d (patch) | |
| tree | ad6a7bb3489938730f1d7b95e472889880ba7bb4 /drivers/gpu/drm/tegra/fb.c | |
| parent | 3f4f3b5fede02d338383619ff57744a8415ccceb (diff) | |
| download | linux-d1f3e1e0b38d49cbb996dcf0fde5b5205d12a23d.tar.bz2 | |
drm/tegra: Properly align stride for framebuffers
Tegra20 and Tegra30 both required the buffer line stride to be aligned
on 8 byte boundaries. Tegra114 and Tegra124 increased the alignment to
64 bytes. Introduce a parameter to specify the alignment requirements
for each display controller and round up the pitch of newly allocated
framebuffers appropriately.
Originally-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/fb.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/fb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index 7790d43ad082..3513d12d5aa1 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -194,6 +194,7 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct tegra_fbdev *fbdev = to_tegra_fbdev(helper); + struct tegra_drm *tegra = helper->dev->dev_private; struct drm_device *drm = helper->dev; struct drm_mode_fb_cmd2 cmd = { 0 }; unsigned int bytes_per_pixel; @@ -208,7 +209,8 @@ static int tegra_fbdev_probe(struct drm_fb_helper *helper, cmd.width = sizes->surface_width; cmd.height = sizes->surface_height; - cmd.pitches[0] = sizes->surface_width * bytes_per_pixel; + cmd.pitches[0] = round_up(sizes->surface_width * bytes_per_pixel, + tegra->pitch_align); cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); |