mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-06 00:39:48 +00:00
a391a98989
Several source files include drm_crtc_helper.h without needing it or only to get its transitive include statements; leading to unnecessary compile-time dependencies. Directly include required headers and drop drm_crtc_helper.h where possible. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230116131235.18917-20-tzimmermann@suse.de
96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
|
|
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
|
|
*/
|
|
|
|
#include <linux/export.h>
|
|
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_modeset_helper_vtables.h>
|
|
#include <drm/drm_panel.h>
|
|
#include <drm/drm_of.h>
|
|
|
|
#include "tidss_crtc.h"
|
|
#include "tidss_drv.h"
|
|
#include "tidss_encoder.h"
|
|
|
|
static int tidss_encoder_atomic_check(struct drm_encoder *encoder,
|
|
struct drm_crtc_state *crtc_state,
|
|
struct drm_connector_state *conn_state)
|
|
{
|
|
struct drm_device *ddev = encoder->dev;
|
|
struct tidss_crtc_state *tcrtc_state = to_tidss_crtc_state(crtc_state);
|
|
struct drm_display_info *di = &conn_state->connector->display_info;
|
|
struct drm_bridge *bridge;
|
|
bool bus_flags_set = false;
|
|
|
|
dev_dbg(ddev->dev, "%s\n", __func__);
|
|
|
|
/*
|
|
* Take the bus_flags from the first bridge that defines
|
|
* bridge timings, or from the connector's display_info if no
|
|
* bridge defines the timings.
|
|
*/
|
|
drm_for_each_bridge_in_chain(encoder, bridge) {
|
|
if (!bridge->timings)
|
|
continue;
|
|
|
|
tcrtc_state->bus_flags = bridge->timings->input_bus_flags;
|
|
bus_flags_set = true;
|
|
break;
|
|
}
|
|
|
|
if (!di->bus_formats || di->num_bus_formats == 0) {
|
|
dev_err(ddev->dev, "%s: No bus_formats in connected display\n",
|
|
__func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
// XXX any cleaner way to set bus format and flags?
|
|
tcrtc_state->bus_format = di->bus_formats[0];
|
|
if (!bus_flags_set)
|
|
tcrtc_state->bus_flags = di->bus_flags;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tidss_encoder_destroy(struct drm_encoder *encoder)
|
|
{
|
|
drm_encoder_cleanup(encoder);
|
|
kfree(encoder);
|
|
}
|
|
|
|
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
|
|
.atomic_check = tidss_encoder_atomic_check,
|
|
};
|
|
|
|
static const struct drm_encoder_funcs encoder_funcs = {
|
|
.destroy = tidss_encoder_destroy,
|
|
};
|
|
|
|
struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
|
|
u32 encoder_type, u32 possible_crtcs)
|
|
{
|
|
struct drm_encoder *enc;
|
|
int ret;
|
|
|
|
enc = kzalloc(sizeof(*enc), GFP_KERNEL);
|
|
if (!enc)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
enc->possible_crtcs = possible_crtcs;
|
|
|
|
ret = drm_encoder_init(&tidss->ddev, enc, &encoder_funcs,
|
|
encoder_type, NULL);
|
|
if (ret < 0) {
|
|
kfree(enc);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
drm_encoder_helper_add(enc, &encoder_helper_funcs);
|
|
|
|
dev_dbg(tidss->dev, "Encoder create done\n");
|
|
|
|
return enc;
|
|
}
|