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@xxxxxxxxxxx>
---
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,
--
1.9.2
--
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