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path: root/drivers/gpu/drm/exynos/exynos_drm_plane.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_plane.c107
1 files changed, 71 insertions, 36 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 611b6fd65433..67afddd566e2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -1,22 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2011 Samsung Electronics Co.Ltd
* Authors: Joonyoung Shim <jy0922.shim@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
-#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_plane_helper.h>
+#include <drm/drm_blend.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_print.h>
#include <drm/exynos_drm.h>
-#include "exynos_drm_drv.h"
+
#include "exynos_drm_crtc.h"
+#include "exynos_drm_drv.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_gem.h"
#include "exynos_drm_plane.h"
@@ -62,7 +59,7 @@ static void exynos_plane_mode_set(struct exynos_drm_plane_state *exynos_state)
struct drm_plane_state *state = &exynos_state->base;
struct drm_crtc *crtc = state->crtc;
struct drm_crtc_state *crtc_state =
- drm_atomic_get_existing_crtc_state(state->state, crtc);
+ drm_atomic_get_new_crtc_state(state->state, crtc);
struct drm_display_mode *mode = &crtc_state->adjusted_mode;
int crtc_x, crtc_y;
unsigned int crtc_w, crtc_h;
@@ -119,9 +116,10 @@ static void exynos_plane_mode_set(struct exynos_drm_plane_state *exynos_state)
exynos_state->crtc.w = actual_w;
exynos_state->crtc.h = actual_h;
- DRM_DEBUG_KMS("plane : offset_x/y(%d,%d), width/height(%d,%d)",
- exynos_state->crtc.x, exynos_state->crtc.y,
- exynos_state->crtc.w, exynos_state->crtc.h);
+ DRM_DEV_DEBUG_KMS(crtc->dev->dev,
+ "plane : offset_x/y(%d,%d), width/height(%d,%d)",
+ exynos_state->crtc.x, exynos_state->crtc.y,
+ exynos_state->crtc.w, exynos_state->crtc.h);
}
static void exynos_drm_plane_reset(struct drm_plane *plane)
@@ -131,16 +129,14 @@ static void exynos_drm_plane_reset(struct drm_plane *plane)
if (plane->state) {
exynos_state = to_exynos_plane_state(plane->state);
- if (exynos_state->base.fb)
- drm_framebuffer_unreference(exynos_state->base.fb);
+ __drm_atomic_helper_plane_destroy_state(plane->state);
kfree(exynos_state);
plane->state = NULL;
}
exynos_state = kzalloc(sizeof(*exynos_state), GFP_KERNEL);
if (exynos_state) {
- plane->state = &exynos_state->base;
- plane->state->plane = plane;
+ __drm_atomic_helper_plane_reset(plane, &exynos_state->base);
plane->state->zpos = exynos_plane->config->zpos;
}
}
@@ -173,16 +169,40 @@ static struct drm_plane_funcs exynos_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = drm_plane_cleanup,
- .set_property = drm_atomic_helper_plane_set_property,
.reset = exynos_drm_plane_reset,
.atomic_duplicate_state = exynos_drm_plane_duplicate_state,
.atomic_destroy_state = exynos_drm_plane_destroy_state,
};
static int
+exynos_drm_plane_check_format(const struct exynos_drm_plane_config *config,
+ struct exynos_drm_plane_state *state)
+{
+ struct drm_framebuffer *fb = state->base.fb;
+ struct drm_device *dev = fb->dev;
+
+ switch (fb->modifier) {
+ case DRM_FORMAT_MOD_SAMSUNG_64_32_TILE:
+ if (!(config->capabilities & EXYNOS_DRM_PLANE_CAP_TILE))
+ return -ENOTSUPP;
+ break;
+
+ case DRM_FORMAT_MOD_LINEAR:
+ break;
+
+ default:
+ DRM_DEV_ERROR(dev->dev, "unsupported pixel format modifier");
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int
exynos_drm_plane_check_size(const struct exynos_drm_plane_config *config,
struct exynos_drm_plane_state *state)
{
+ struct drm_crtc *crtc = state->base.crtc;
bool width_ok = false, height_ok = false;
if (config->capabilities & EXYNOS_DRM_PLANE_CAP_SCALE)
@@ -205,47 +225,53 @@ exynos_drm_plane_check_size(const struct exynos_drm_plane_config *config,
if (width_ok && height_ok)
return 0;
- DRM_DEBUG_KMS("scaling mode is not supported");
+ DRM_DEV_DEBUG_KMS(crtc->dev->dev, "scaling mode is not supported");
return -ENOTSUPP;
}
static int exynos_plane_atomic_check(struct drm_plane *plane,
- struct drm_plane_state *state)
+ struct drm_atomic_state *state)
{
+ struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+ plane);
struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_plane_state *exynos_state =
- to_exynos_plane_state(state);
+ to_exynos_plane_state(new_plane_state);
int ret = 0;
- if (!state->crtc || !state->fb)
+ if (!new_plane_state->crtc || !new_plane_state->fb)
return 0;
/* translate state into exynos_state */
exynos_plane_mode_set(exynos_state);
+ ret = exynos_drm_plane_check_format(exynos_plane->config, exynos_state);
+ if (ret)
+ return ret;
+
ret = exynos_drm_plane_check_size(exynos_plane->config, exynos_state);
return ret;
}
static void exynos_plane_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
- struct drm_plane_state *state = plane->state;
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(state->crtc);
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+ plane);
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(new_state->crtc);
struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
- if (!state->crtc)
+ if (!new_state->crtc)
return;
- plane->crtc = state->crtc;
-
if (exynos_crtc->ops->update_plane)
exynos_crtc->ops->update_plane(exynos_crtc, exynos_plane);
}
static void exynos_plane_atomic_disable(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+ struct drm_atomic_state *state)
{
+ struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane);
struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(old_state->crtc);
@@ -263,13 +289,12 @@ static const struct drm_plane_helper_funcs plane_helper_funcs = {
};
static void exynos_plane_attach_zpos_property(struct drm_plane *plane,
- bool immutable)
+ int zpos, bool immutable)
{
- /* FIXME */
if (immutable)
- drm_plane_create_zpos_immutable_property(plane, 0);
+ drm_plane_create_zpos_immutable_property(plane, zpos);
else
- drm_plane_create_zpos_property(plane, 0, 0, MAX_PLANE - 1);
+ drm_plane_create_zpos_property(plane, zpos, 0, MAX_PLANE - 1);
}
int exynos_plane_init(struct drm_device *dev,
@@ -277,15 +302,19 @@ int exynos_plane_init(struct drm_device *dev,
const struct exynos_drm_plane_config *config)
{
int err;
+ unsigned int supported_modes = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
+ BIT(DRM_MODE_BLEND_PREMULTI) |
+ BIT(DRM_MODE_BLEND_COVERAGE);
+ struct drm_plane *plane = &exynos_plane->base;
err = drm_universal_plane_init(dev, &exynos_plane->base,
1 << dev->mode_config.num_crtc,
&exynos_plane_funcs,
config->pixel_formats,
config->num_pixel_formats,
- config->type, NULL);
+ NULL, config->type, NULL);
if (err) {
- DRM_ERROR("failed to initialize plane\n");
+ DRM_DEV_ERROR(dev->dev, "failed to initialize plane\n");
return err;
}
@@ -294,8 +323,14 @@ int exynos_plane_init(struct drm_device *dev,
exynos_plane->index = index;
exynos_plane->config = config;
- exynos_plane_attach_zpos_property(&exynos_plane->base,
+ exynos_plane_attach_zpos_property(&exynos_plane->base, config->zpos,
!(config->capabilities & EXYNOS_DRM_PLANE_CAP_ZPOS));
+ if (config->capabilities & EXYNOS_DRM_PLANE_CAP_PIX_BLEND)
+ drm_plane_create_blend_mode_property(plane, supported_modes);
+
+ if (config->capabilities & EXYNOS_DRM_PLANE_CAP_WIN_BLEND)
+ drm_plane_create_alpha_property(plane);
+
return 0;
}
generated by cgit (git 2.34.1) at 2025-12-25 23:00:09 +0000