diff options
Diffstat (limited to 'drivers/gpu/drm/bochs/bochs_kms.c')
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_kms.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c deleted file mode 100644 index 99410e77d51a..000000000000 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ /dev/null @@ -1,178 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - */ - -#include <linux/moduleparam.h> - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_probe_helper.h> - -#include "bochs.h" - -static int defx = 1024; -static int defy = 768; - -module_param(defx, int, 0444); -module_param(defy, int, 0444); -MODULE_PARM_DESC(defx, "default x resolution"); -MODULE_PARM_DESC(defy, "default y resolution"); - -/* ---------------------------------------------------------------------- */ - -static const uint32_t bochs_formats[] = { - DRM_FORMAT_XRGB8888, - DRM_FORMAT_BGRX8888, -}; - -static void bochs_plane_update(struct bochs_device *bochs, - struct drm_plane_state *state) -{ - struct drm_gem_vram_object *gbo; - s64 gpu_addr; - - if (!state->fb || !bochs->stride) - return; - - gbo = drm_gem_vram_of_gem(state->fb->obj[0]); - gpu_addr = drm_gem_vram_offset(gbo); - if (WARN_ON_ONCE(gpu_addr < 0)) - return; /* Bug: we didn't pin the BO to VRAM in prepare_fb. */ - - bochs_hw_setbase(bochs, - state->crtc_x, - state->crtc_y, - state->fb->pitches[0], - state->fb->offsets[0] + gpu_addr); - bochs_hw_setformat(bochs, state->fb->format); -} - -static void bochs_pipe_enable(struct drm_simple_display_pipe *pipe, - struct drm_crtc_state *crtc_state, - struct drm_plane_state *plane_state) -{ - struct bochs_device *bochs = pipe->crtc.dev->dev_private; - - bochs_hw_setmode(bochs, &crtc_state->mode); - bochs_plane_update(bochs, plane_state); -} - -static void bochs_pipe_disable(struct drm_simple_display_pipe *pipe) -{ - struct bochs_device *bochs = pipe->crtc.dev->dev_private; - - bochs_hw_blank(bochs, true); -} - -static void bochs_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_state) -{ - struct bochs_device *bochs = pipe->crtc.dev->dev_private; - - bochs_plane_update(bochs, pipe->plane.state); -} - -static const struct drm_simple_display_pipe_funcs bochs_pipe_funcs = { - .enable = bochs_pipe_enable, - .disable = bochs_pipe_disable, - .update = bochs_pipe_update, - .prepare_fb = drm_gem_vram_simple_display_pipe_prepare_fb, - .cleanup_fb = drm_gem_vram_simple_display_pipe_cleanup_fb, -}; - -static int bochs_connector_get_modes(struct drm_connector *connector) -{ - struct bochs_device *bochs = - container_of(connector, struct bochs_device, connector); - int count = 0; - - if (bochs->edid) - count = drm_add_edid_modes(connector, bochs->edid); - - if (!count) { - count = drm_add_modes_noedid(connector, 8192, 8192); - drm_set_preferred_mode(connector, defx, defy); - } - return count; -} - -static const struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = { - .get_modes = bochs_connector_get_modes, -}; - -static const struct drm_connector_funcs bochs_connector_connector_funcs = { - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static void bochs_connector_init(struct drm_device *dev) -{ - struct bochs_device *bochs = dev->dev_private; - struct drm_connector *connector = &bochs->connector; - - drm_connector_init(dev, connector, &bochs_connector_connector_funcs, - DRM_MODE_CONNECTOR_VIRTUAL); - drm_connector_helper_add(connector, - &bochs_connector_connector_helper_funcs); - - bochs_hw_load_edid(bochs); - if (bochs->edid) { - DRM_INFO("Found EDID data blob.\n"); - drm_connector_attach_edid_property(connector); - drm_connector_update_edid_property(connector, bochs->edid); - } -} - -static struct drm_framebuffer * -bochs_gem_fb_create(struct drm_device *dev, struct drm_file *file, - const struct drm_mode_fb_cmd2 *mode_cmd) -{ - if (mode_cmd->pixel_format != DRM_FORMAT_XRGB8888 && - mode_cmd->pixel_format != DRM_FORMAT_BGRX8888) - return ERR_PTR(-EINVAL); - - return drm_gem_fb_create(dev, file, mode_cmd); -} - -const struct drm_mode_config_funcs bochs_mode_funcs = { - .fb_create = bochs_gem_fb_create, - .mode_valid = drm_vram_helper_mode_valid, - .atomic_check = drm_atomic_helper_check, - .atomic_commit = drm_atomic_helper_commit, -}; - -int bochs_kms_init(struct bochs_device *bochs) -{ - int ret; - - ret = drmm_mode_config_init(bochs->dev); - if (ret) - return ret; - - bochs->dev->mode_config.max_width = 8192; - bochs->dev->mode_config.max_height = 8192; - - bochs->dev->mode_config.fb_base = bochs->fb_base; - bochs->dev->mode_config.preferred_depth = 24; - bochs->dev->mode_config.prefer_shadow = 0; - bochs->dev->mode_config.prefer_shadow_fbdev = 1; - bochs->dev->mode_config.quirk_addfb_prefer_host_byte_order = true; - - bochs->dev->mode_config.funcs = &bochs_mode_funcs; - - bochs_connector_init(bochs->dev); - drm_simple_display_pipe_init(bochs->dev, - &bochs->pipe, - &bochs_pipe_funcs, - bochs_formats, - ARRAY_SIZE(bochs_formats), - NULL, - &bochs->connector); - - drm_mode_config_reset(bochs->dev); - - return 0; -} |