diff options
| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2015-04-07 09:59:39 +0300 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2015-04-13 05:39:41 +0300 |
| commit | 3cabaf7ea7044d6a75fd76e2fc53304a55abe965 (patch) | |
| tree | 0e3e9eed4bb33e4a5121e5eed2b93ee3674e9434 /drivers/gpu/drm/exynos/exynos_drm_plane.c | |
| parent | cb8a3db29f8fa8186185ba716f3f485a7f3fabe7 (diff) | |
| download | linux-3cabaf7ea7044d6a75fd76e2fc53304a55abe965.tar.xz | |
drm/exynos: add ratio calculation
Calculation ratio from exynos_drm plane codes, then each hw drivers can
use it without extra operation. Also this fixes width and height of
source used for actual crtc shown via screen.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_plane.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 5cb4ced9c4b5..13ea3349363b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -110,11 +110,15 @@ void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, crtc_y = 0; } + /* set ratio */ + exynos_plane->h_ratio = (src_w << 16) / crtc_w; + exynos_plane->v_ratio = (src_h << 16) / crtc_h; + /* set drm framebuffer data. */ exynos_plane->src_x = src_x; exynos_plane->src_y = src_y; - exynos_plane->src_width = src_w; - exynos_plane->src_height = src_h; + exynos_plane->src_width = (actual_w * exynos_plane->h_ratio) >> 16; + exynos_plane->src_height = (actual_h * exynos_plane->v_ratio) >> 16; exynos_plane->fb_width = fb->width; exynos_plane->fb_height = fb->height; exynos_plane->bpp = fb->bits_per_pixel; |