2016년 01월 27일 23:44에 Marek Szyprowski 이(가) 쓴 글:
> This patch replaces zpos property handling custom code in Exynos DRM
> driver with calls to generic DRM code.
It'd be better to go to drm-misc.
Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Thanks,
Inki Dae
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_drv.h | 2 -
> drivers/gpu/drm/exynos/exynos_drm_plane.c | 68 ++++++++-----------------------
> drivers/gpu/drm/exynos/exynos_mixer.c | 6 ++-
> 3 files changed, 20 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
> index 17b5ded72ff1..816537886e4e 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
> @@ -64,7 +64,6 @@ struct exynos_drm_plane_state {
> struct exynos_drm_rect src;
> unsigned int h_ratio;
> unsigned int v_ratio;
> - unsigned int zpos;
> };
>
> static inline struct exynos_drm_plane_state *
> @@ -217,7 +216,6 @@ struct exynos_drm_private {
> * this array is used to be aware of which crtc did it request vblank.
> */
> struct drm_crtc *crtc[MAX_CRTC];
> - struct drm_property *plane_zpos_property;
>
> unsigned long da_start;
> unsigned long da_space_size;
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> index d86227236f55..3a486939168e 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
> @@ -137,9 +137,9 @@ static void exynos_drm_plane_reset(struct drm_plane *plane)
>
> exynos_state = kzalloc(sizeof(*exynos_state), GFP_KERNEL);
> if (exynos_state) {
> - exynos_state->zpos = exynos_plane->config->zpos;
> plane->state = &exynos_state->base;
> plane->state->plane = plane;
> + plane->state->zpos = exynos_plane->config->zpos;
> }
> }
>
> @@ -155,7 +155,6 @@ exynos_drm_plane_duplicate_state(struct drm_plane *plane)
> return NULL;
>
> __drm_atomic_helper_plane_duplicate_state(plane, ©->base);
> - copy->zpos = exynos_state->zpos;
> return ©->base;
> }
>
> @@ -168,43 +167,6 @@ static void exynos_drm_plane_destroy_state(struct drm_plane *plane,
> kfree(old_exynos_state);
> }
>
> -static int exynos_drm_plane_atomic_set_property(struct drm_plane *plane,
> - struct drm_plane_state *state,
> - struct drm_property *property,
> - uint64_t val)
> -{
> - struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
> - struct exynos_drm_plane_state *exynos_state =
> - to_exynos_plane_state(state);
> - struct exynos_drm_private *dev_priv = plane->dev->dev_private;
> - const struct exynos_drm_plane_config *config = exynos_plane->config;
> -
> - if (property == dev_priv->plane_zpos_property &&
> - (config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS))
> - exynos_state->zpos = val;
> - else
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> -static int exynos_drm_plane_atomic_get_property(struct drm_plane *plane,
> - const struct drm_plane_state *state,
> - struct drm_property *property,
> - uint64_t *val)
> -{
> - const struct exynos_drm_plane_state *exynos_state =
> - container_of(state, const struct exynos_drm_plane_state, base);
> - struct exynos_drm_private *dev_priv = plane->dev->dev_private;
> -
> - if (property == dev_priv->plane_zpos_property)
> - *val = exynos_state->zpos;
> - else
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> static struct drm_plane_funcs exynos_plane_funcs = {
> .update_plane = drm_atomic_helper_update_plane,
> .disable_plane = drm_atomic_helper_disable_plane,
> @@ -213,8 +175,6 @@ static struct drm_plane_funcs exynos_plane_funcs = {
> .reset = exynos_drm_plane_reset,
> .atomic_duplicate_state = exynos_drm_plane_duplicate_state,
> .atomic_destroy_state = exynos_drm_plane_destroy_state,
> - .atomic_set_property = exynos_drm_plane_atomic_set_property,
> - .atomic_get_property = exynos_drm_plane_atomic_get_property,
> };
>
> static int
> @@ -302,20 +262,23 @@ static const struct drm_plane_helper_funcs plane_helper_funcs = {
> };
>
> static void exynos_plane_attach_zpos_property(struct drm_plane *plane,
> - unsigned int zpos)
> + unsigned int zpos, bool immutable)
> {
> struct drm_device *dev = plane->dev;
> - struct exynos_drm_private *dev_priv = dev->dev_private;
> struct drm_property *prop;
>
> - prop = dev_priv->plane_zpos_property;
> - if (!prop) {
> - prop = drm_property_create_range(dev, 0, "zpos",
> - 0, MAX_PLANE - 1);
> - if (!prop)
> - return;
> -
> - dev_priv->plane_zpos_property = prop;
> + if (immutable) {
> + if (!dev->mode_config.zpos_immutable_property)
> + if (drm_mode_create_zpos_immutable_property(dev, 0,
> + MAX_PLANE - 1))
> + return;
> + prop = dev->mode_config.zpos_immutable_property;
> + } else {
> + if (!dev->mode_config.zpos_property)
> + if (drm_mode_create_zpos_property(dev, 0,
> + MAX_PLANE - 1))
> + return;
> + prop = dev->mode_config.zpos_property;
> }
>
> drm_object_attach_property(&plane->base, prop, zpos);
> @@ -344,7 +307,8 @@ int exynos_plane_init(struct drm_device *dev,
> exynos_plane->index = index;
> exynos_plane->config = config;
>
> - exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos);
> + exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos,
> + !(config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS));
>
> return 0;
> }
> diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
> index b5fbc1cbf024..d00c201773c9 100644
> --- a/drivers/gpu/drm/exynos/exynos_mixer.c
> +++ b/drivers/gpu/drm/exynos/exynos_mixer.c
> @@ -478,6 +478,7 @@ static void vp_video_buffer(struct mixer_context *ctx,
> struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode;
> struct mixer_resources *res = &ctx->mixer_res;
> struct drm_framebuffer *fb = state->base.fb;
> + unsigned int priority = state->base.normalized_zpos + 1;
> unsigned long flags;
> dma_addr_t luma_addr[2], chroma_addr[2];
> bool tiled_mode = false;
> @@ -562,7 +563,7 @@ static void vp_video_buffer(struct mixer_context *ctx,
>
> mixer_cfg_scan(ctx, mode->vdisplay);
> mixer_cfg_rgb_fmt(ctx, mode->vdisplay);
> - mixer_cfg_layer(ctx, plane->index, state->zpos + 1, true);
> + mixer_cfg_layer(ctx, plane->index, priority, true);
> mixer_cfg_vp_blend(ctx);
> mixer_run(ctx);
>
> @@ -587,6 +588,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
> struct drm_display_mode *mode = &state->base.crtc->state->adjusted_mode;
> struct mixer_resources *res = &ctx->mixer_res;
> struct drm_framebuffer *fb = state->base.fb;
> + unsigned int priority = state->base.normalized_zpos + 1;
> unsigned long flags;
> unsigned int win = plane->index;
> unsigned int x_ratio = 0, y_ratio = 0;
> @@ -678,7 +680,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
>
> mixer_cfg_scan(ctx, mode->vdisplay);
> mixer_cfg_rgb_fmt(ctx, mode->vdisplay);
> - mixer_cfg_layer(ctx, win, state->zpos + 1, true);
> + mixer_cfg_layer(ctx, win, priority, true);
> mixer_cfg_gfx_blend(ctx, win, is_alpha_format(fb->pixel_format));
>
> /* layer update mandatory for mixer 16.0.33.0 */
>
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