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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 64800d43837d..7b388674a456 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -38,7 +38,6 @@
#include <linux/vmalloc.h>
#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
@@ -47,8 +46,6 @@
#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
-#include "drm_crtc_helper_internal.h"
-#include "drm_crtc_internal.h"
#include "drm_internal.h"
static bool drm_fbdev_emulation = true;
@@ -394,233 +391,6 @@ int drm_fb_helper_debug_leave(struct fb_info *info)
EXPORT_SYMBOL(drm_fb_helper_debug_leave);
/**
- * drm_client_panel_rotation() - Check panel orientation
- * @modeset: DRM modeset
- * @rotation: Returned rotation value
- *
- * This function checks if the primary plane in @modeset can hw rotate to match
- * the panel orientation on its connector.
- *
- * Note: Currently only 0 and 180 degrees are supported.
- *
- * Return:
- * True if the plane can do the rotation, false otherwise.
- */
-bool drm_client_panel_rotation(struct drm_mode_set *modeset, unsigned int *rotation)
-{
- struct drm_connector *connector = modeset->connectors[0];
- struct drm_plane *plane = modeset->crtc->primary;
- u64 valid_mask = 0;
- unsigned int i;
-
- if (!modeset->num_connectors)
- return false;
-
- switch (connector->display_info.panel_orientation) {
- case DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP:
- *rotation = DRM_MODE_ROTATE_180;
- break;
- case DRM_MODE_PANEL_ORIENTATION_LEFT_UP:
- *rotation = DRM_MODE_ROTATE_90;
- break;
- case DRM_MODE_PANEL_ORIENTATION_RIGHT_UP:
- *rotation = DRM_MODE_ROTATE_270;
- break;
- default:
- *rotation = DRM_MODE_ROTATE_0;
- }
-
- /*
- * TODO: support 90 / 270 degree hardware rotation,
- * depending on the hardware this may require the framebuffer
- * to be in a specific tiling format.
- */
- if (*rotation != DRM_MODE_ROTATE_180 || !plane->rotation_property)
- return false;
-
- for (i = 0; i < plane->rotation_property->num_values; i++)
- valid_mask |= (1ULL << plane->rotation_property->values[i]);
-
- if (!(*rotation & valid_mask))
- return false;
-
- return true;
-}
-
-static int drm_client_modeset_commit_atomic(struct drm_client_dev *client, bool active)
-{
- struct drm_device *dev = client->dev;
- struct drm_plane_state *plane_state;
- struct drm_plane *plane;
- struct drm_atomic_state *state;
- struct drm_modeset_acquire_ctx ctx;
- struct drm_mode_set *mode_set;
- int ret;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- state = drm_atomic_state_alloc(dev);
- if (!state) {
- ret = -ENOMEM;
- goto out_ctx;
- }
-
- state->acquire_ctx = &ctx;
-retry:
- drm_for_each_plane(plane, dev) {
- plane_state = drm_atomic_get_plane_state(state, plane);
- if (IS_ERR(plane_state)) {
- ret = PTR_ERR(plane_state);
- goto out_state;
- }
-
- plane_state->rotation = DRM_MODE_ROTATE_0;
-
- /* disable non-primary: */
- if (plane->type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- ret = __drm_atomic_helper_disable_plane(plane, plane_state);
- if (ret != 0)
- goto out_state;
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_plane *primary = mode_set->crtc->primary;
- unsigned int rotation;
-
- if (drm_client_panel_rotation(mode_set, &rotation)) {
- /* Cannot fail as we've already gotten the plane state above */
- plane_state = drm_atomic_get_new_plane_state(state, primary);
- plane_state->rotation = rotation;
- }
-
- ret = __drm_atomic_helper_set_config(mode_set, state);
- if (ret != 0)
- goto out_state;
-
- /*
- * __drm_atomic_helper_set_config() sets active when a
- * mode is set, unconditionally clear it if we force DPMS off
- */
- if (!active) {
- struct drm_crtc *crtc = mode_set->crtc;
- struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
-
- crtc_state->active = false;
- }
- }
-
- ret = drm_atomic_commit(state);
-
-out_state:
- if (ret == -EDEADLK)
- goto backoff;
-
- drm_atomic_state_put(state);
-out_ctx:
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
-
- return ret;
-
-backoff:
- drm_atomic_state_clear(state);
- drm_modeset_backoff(&ctx);
-
- goto retry;
-}
-
-static int drm_client_modeset_commit_legacy(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- struct drm_mode_set *mode_set;
- struct drm_plane *plane;
- int ret = 0;
-
- drm_modeset_lock_all(dev);
- drm_for_each_plane(plane, dev) {
- if (plane->type != DRM_PLANE_TYPE_PRIMARY)
- drm_plane_force_disable(plane);
-
- if (plane->rotation_property)
- drm_mode_plane_set_obj_prop(plane,
- plane->rotation_property,
- DRM_MODE_ROTATE_0);
- }
-
- drm_client_for_each_modeset(mode_set, client) {
- struct drm_crtc *crtc = mode_set->crtc;
-
- if (crtc->funcs->cursor_set2) {
- ret = crtc->funcs->cursor_set2(crtc, NULL, 0, 0, 0, 0, 0);
- if (ret)
- goto out;
- } else if (crtc->funcs->cursor_set) {
- ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0);
- if (ret)
- goto out;
- }
-
- ret = drm_mode_set_config_internal(mode_set);
- if (ret)
- goto out;
- }
-out:
- drm_modeset_unlock_all(dev);
-
- return ret;
-}
-
-/**
- * drm_client_modeset_commit_force() - Force commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs without checking if there is a DRM master.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit_force(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, true);
- else
- ret = drm_client_modeset_commit_legacy(client);
- mutex_unlock(&client->modeset_mutex);
-
- return ret;
-}
-
-/**
- * drm_client_modeset_commit() - Commit CRTC configuration
- * @client: DRM client
- *
- * Commit modeset configuration to crtcs.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_commit(struct drm_client_dev *client)
-{
- struct drm_device *dev = client->dev;
- int ret;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- ret = drm_client_modeset_commit_force(client);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-
-/**
* drm_fb_helper_restore_fbdev_mode_unlocked - restore fbdev configuration
* @fb_helper: driver-allocated fbdev helper, can be NULL
*
@@ -719,58 +489,6 @@ static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = {
static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { };
#endif
-static void drm_client_modeset_dpms_legacy(struct drm_client_dev *client, int dpms_mode)
-{
- struct drm_device *dev = client->dev;
- struct drm_connector *connector;
- struct drm_mode_set *modeset;
- int j;
-
- drm_modeset_lock_all(dev);
- drm_client_for_each_modeset(modeset, client) {
- if (!modeset->crtc->enabled)
- continue;
-
- for (j = 0; j < modeset->num_connectors; j++) {
- connector = modeset->connectors[j];
- connector->funcs->dpms(connector, dpms_mode);
- drm_object_property_set_value(&connector->base,
- dev->mode_config.dpms_property, dpms_mode);
- }
- }
- drm_modeset_unlock_all(dev);
-}
-
-/**
- * drm_client_modeset_dpms() - Set DPMS mode
- * @client: DRM client
- * @mode: DPMS mode
- *
- * Note: For atomic drivers @mode is reduced to on/off.
- *
- * Returns:
- * Zero on success or negative error code on failure.
- */
-int drm_client_modeset_dpms(struct drm_client_dev *client, int mode)
-{
- struct drm_device *dev = client->dev;
- int ret = 0;
-
- if (!drm_master_internal_acquire(dev))
- return -EBUSY;
-
- mutex_lock(&client->modeset_mutex);
- if (drm_drv_uses_atomic_modeset(dev))
- ret = drm_client_modeset_commit_atomic(client, mode == DRM_MODE_DPMS_ON);
- else
- drm_client_modeset_dpms_legacy(client, mode);
- mutex_unlock(&client->modeset_mutex);
-
- drm_master_internal_release(dev);
-
- return ret;
-}
-
static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode)
{
struct drm_fb_helper *fb_helper = info->par;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 10:45:35 +0000