diff options
| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2015-04-07 15:59:39 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2015-04-13 11:39:41 +0900 |
| commit | 3cabaf7ea7044d6a75fd76e2fc53304a55abe965 (patch) | |
| tree | 0e3e9eed4bb33e4a5121e5eed2b93ee3674e9434 /drivers/gpu/drm/exynos | |
| parent | cb8a3db29f8fa8186185ba716f3f485a7f3fabe7 (diff) | |
| download | linux-3cabaf7ea7044d6a75fd76e2fc53304a55abe965.tar.bz2 | |
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')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_plane.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 9 |
3 files changed, 12 insertions, 9 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 8e925838d047..e12ecb5d5d9a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -61,6 +61,8 @@ enum exynos_drm_output_type { * @crtc_height: window height to be displayed (hardware screen). * @mode_width: width of screen mode. * @mode_height: height of screen mode. + * @h_ratio: horizontal scaling ratio, 16.16 fixed point + * @v_ratio: vertical scaling ratio, 16.16 fixed point * @refresh: refresh rate. * @scan_flag: interlace or progressive way. * (it could be DRM_MODE_FLAG_*) @@ -97,6 +99,8 @@ struct exynos_drm_plane { unsigned int crtc_height; unsigned int mode_width; unsigned int mode_height; + unsigned int h_ratio; + unsigned int v_ratio; unsigned int refresh; unsigned int scan_flag; unsigned int bpp; 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; diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index ede402bda086..fbec750574e6 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -382,7 +382,6 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) struct mixer_resources *res = &ctx->mixer_res; unsigned long flags; struct exynos_drm_plane *plane; - unsigned int x_ratio, y_ratio; unsigned int buf_num = 1; dma_addr_t luma_addr[2], chroma_addr[2]; bool tiled_mode = false; @@ -407,10 +406,6 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) return; } - /* scaling feature: (src << 16) / dst */ - x_ratio = (plane->src_width << 16) / plane->crtc_width; - y_ratio = (plane->src_height << 16) / plane->crtc_height; - if (buf_num == 2) { luma_addr[0] = plane->dma_addr[0]; chroma_addr[0] = plane->dma_addr[1]; @@ -470,8 +465,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int win) vp_reg_write(res, VP_DST_V_POSITION, plane->crtc_y); } - vp_reg_write(res, VP_H_RATIO, x_ratio); - vp_reg_write(res, VP_V_RATIO, y_ratio); + vp_reg_write(res, VP_H_RATIO, plane->h_ratio); + vp_reg_write(res, VP_V_RATIO, plane->v_ratio); vp_reg_write(res, VP_ENDIAN_MODE, VP_ENDIAN_MODE_LITTLE); |