From: Marek Szyprowski Date: Mon, 30 Nov 2015 13:53:27 +0000 (+0100) Subject: drm/exynos: mixer: use ratio precalculated in exynos_state X-Git-Tag: v4.14-rc1~3993^2~31^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e463b0695a0d52e280c8c42668b9c118c6d06d82;p=platform%2Fkernel%2Flinux-rpi.git drm/exynos: mixer: use ratio precalculated in exynos_state Common plane code already calculates and checks for supported scalling modes, so additional code in mixer driver can be now removed. Signed-off-by: Marek Szyprowski Reviewed-by: Gustavo Padovan Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 4190285..dfb35e2 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -528,33 +528,6 @@ static void mixer_layer_update(struct mixer_context *ctx) mixer_reg_writemask(res, MXR_CFG, ~0, MXR_CFG_LAYER_UPDATE); } -static int mixer_setup_scale(const struct exynos_drm_plane *plane, - unsigned int *x_ratio, unsigned int *y_ratio) -{ - struct exynos_drm_plane_state *state = - to_exynos_plane_state(plane->base.state); - - if (state->crtc.w != state->src.w) { - if (state->crtc.w == 2 * state->src.w) - *x_ratio = 1; - else - goto fail; - } - - if (state->crtc.h != state->src.h) { - if (state->crtc.h == 2 * state->src.h) - *y_ratio = 1; - else - goto fail; - } - - return 0; - -fail: - DRM_DEBUG_KMS("only 2x width/height scaling of plane supported\n"); - return -ENOTSUPP; -} - static void mixer_graph_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { @@ -594,9 +567,9 @@ static void mixer_graph_buffer(struct mixer_context *ctx, return; } - /* check if mixer supports requested scaling setup */ - if (mixer_setup_scale(plane, &x_ratio, &y_ratio)) - return; + /* ratio is already checked by common plane code */ + x_ratio = state->h_ratio == (1 << 15); + y_ratio = state->v_ratio == (1 << 15); dst_x_offset = state->crtc.x; dst_y_offset = state->crtc.y;