This patch replaces zpos property handling custom code in Exynos DRM driver with calls to generic DRM code.
Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com --- drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 - drivers/gpu/drm/exynos/exynos_drm_plane.c | 68 ++++++++----------------------- drivers/gpu/drm/exynos/exynos_mixer.c | 19 +++++++-- 3 files changed, 34 insertions(+), 54 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 17b5ded72ff1..244ae6c4482c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -217,7 +217,6 @@ 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..4afa5dfda9e0 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 +262,27 @@ 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) + if (immutable) { + if (!dev->mode_config.zpos_immutable_property) + dev->mode_config.zpos_immutable_property = + drm_plane_create_zpos_immutable_property(dev); + if (!dev->mode_config.zpos_immutable_property) + return; + + prop = dev->mode_config.zpos_immutable_property; + } else { + if (!dev->mode_config.zpos_property) + dev->mode_config.zpos_property = + drm_plane_create_zpos_property(dev); + if (!dev->mode_config.zpos_property) return;
- dev_priv->plane_zpos_property = prop; + prop = dev->mode_config.zpos_property; }
drm_object_attach_property(&plane->base, prop, zpos); @@ -344,7 +311,8 @@ 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..6ab68eca0004 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -34,6 +34,7 @@ #include <linux/component.h>
#include <drm/exynos_drm.h> +#include <drm/drm_atomic_helper.h>
#include "exynos_drm_drv.h" #include "exynos_drm_crtc.h" @@ -95,6 +96,8 @@ struct mixer_context { struct drm_device *drm_dev; struct exynos_drm_crtc *crtc; struct exynos_drm_plane planes[MIXER_WIN_NR]; + struct drm_plane *zpos_planes[MIXER_WIN_NR]; + int num_planes; int pipe; unsigned long flags; bool interlace; @@ -478,6 +481,7 @@ 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 +566,7 @@ 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 +591,7 @@ 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 +683,7 @@ 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 */ @@ -981,6 +986,12 @@ static void mixer_atomic_begin(struct exynos_drm_crtc *crtc) if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags)) return;
+ /* + * Normalizing up to 3 planes is cheap, no need for checking + * if zpos has been really changed. + */ + drm_atomic_helper_normalize_zpos(mixer_ctx->zpos_planes, + mixer_ctx->num_planes); mixer_vsync_set_update(mixer_ctx, false); }
@@ -1203,13 +1214,15 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data)
for (i = 0; i < MIXER_WIN_NR; i++) { if (i == VP_DEFAULT_WIN && !ctx->vp_enabled) - continue; + break;
ret = exynos_plane_init(drm_dev, &ctx->planes[i], i, 1 << ctx->pipe, &plane_configs[i]); if (ret) return ret; + ctx->zpos_planes[i] = &ctx->planes[i].base; } + ctx->num_planes = i;
exynos_plane = &ctx->planes[DEFAULT_WIN]; ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,