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 <m.szyprow...@samsung.com>
---
drivers/gpu/drm/exynos/exynos_mixer.c | 33 +++------------------------------
1 file changed, 3 insertions(+), 30 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c
b/drivers/gpu/drm/exynos/exynos_mixer.c
index cdec3c1827c6..467e98044751 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -531,33 +531,6 @@ 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)
{
@@ -597,9 +570,9 @@ 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;
--
1.9.2
--
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