mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 04:56:41 +07:00
dfd5e50ea4
Not used any more. Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
281 lines
7.2 KiB
C
281 lines
7.2 KiB
C
/*
|
|
* 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 "bochs.h"
|
|
#include <drm/drm_plane_helper.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 void bochs_crtc_dpms(struct drm_crtc *crtc, int mode)
|
|
{
|
|
switch (mode) {
|
|
case DRM_MODE_DPMS_ON:
|
|
case DRM_MODE_DPMS_STANDBY:
|
|
case DRM_MODE_DPMS_SUSPEND:
|
|
case DRM_MODE_DPMS_OFF:
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
static int bochs_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
|
|
struct drm_framebuffer *old_fb)
|
|
{
|
|
struct bochs_device *bochs =
|
|
container_of(crtc, struct bochs_device, crtc);
|
|
struct bochs_framebuffer *bochs_fb;
|
|
struct bochs_bo *bo;
|
|
u64 gpu_addr = 0;
|
|
int ret;
|
|
|
|
if (old_fb) {
|
|
bochs_fb = to_bochs_framebuffer(old_fb);
|
|
bo = gem_to_bochs_bo(bochs_fb->obj);
|
|
ret = ttm_bo_reserve(&bo->bo, true, false, NULL);
|
|
if (ret) {
|
|
DRM_ERROR("failed to reserve old_fb bo\n");
|
|
} else {
|
|
bochs_bo_unpin(bo);
|
|
ttm_bo_unreserve(&bo->bo);
|
|
}
|
|
}
|
|
|
|
if (WARN_ON(crtc->primary->fb == NULL))
|
|
return -EINVAL;
|
|
|
|
bochs_fb = to_bochs_framebuffer(crtc->primary->fb);
|
|
bo = gem_to_bochs_bo(bochs_fb->obj);
|
|
ret = ttm_bo_reserve(&bo->bo, true, false, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr);
|
|
if (ret) {
|
|
ttm_bo_unreserve(&bo->bo);
|
|
return ret;
|
|
}
|
|
|
|
ttm_bo_unreserve(&bo->bo);
|
|
bochs_hw_setbase(bochs, x, y, gpu_addr);
|
|
return 0;
|
|
}
|
|
|
|
static int bochs_crtc_mode_set(struct drm_crtc *crtc,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode,
|
|
int x, int y, struct drm_framebuffer *old_fb)
|
|
{
|
|
struct bochs_device *bochs =
|
|
container_of(crtc, struct bochs_device, crtc);
|
|
|
|
bochs_hw_setmode(bochs, mode);
|
|
bochs_crtc_mode_set_base(crtc, x, y, old_fb);
|
|
return 0;
|
|
}
|
|
|
|
static void bochs_crtc_prepare(struct drm_crtc *crtc)
|
|
{
|
|
}
|
|
|
|
static void bochs_crtc_commit(struct drm_crtc *crtc)
|
|
{
|
|
}
|
|
|
|
static int bochs_crtc_page_flip(struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
struct drm_pending_vblank_event *event,
|
|
uint32_t page_flip_flags)
|
|
{
|
|
struct bochs_device *bochs =
|
|
container_of(crtc, struct bochs_device, crtc);
|
|
struct drm_framebuffer *old_fb = crtc->primary->fb;
|
|
unsigned long irqflags;
|
|
|
|
crtc->primary->fb = fb;
|
|
bochs_crtc_mode_set_base(crtc, 0, 0, old_fb);
|
|
if (event) {
|
|
spin_lock_irqsave(&bochs->dev->event_lock, irqflags);
|
|
drm_crtc_send_vblank_event(crtc, event);
|
|
spin_unlock_irqrestore(&bochs->dev->event_lock, irqflags);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* These provide the minimum set of functions required to handle a CRTC */
|
|
static const struct drm_crtc_funcs bochs_crtc_funcs = {
|
|
.set_config = drm_crtc_helper_set_config,
|
|
.destroy = drm_crtc_cleanup,
|
|
.page_flip = bochs_crtc_page_flip,
|
|
};
|
|
|
|
static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
|
|
.dpms = bochs_crtc_dpms,
|
|
.mode_set = bochs_crtc_mode_set,
|
|
.mode_set_base = bochs_crtc_mode_set_base,
|
|
.prepare = bochs_crtc_prepare,
|
|
.commit = bochs_crtc_commit,
|
|
};
|
|
|
|
static void bochs_crtc_init(struct drm_device *dev)
|
|
{
|
|
struct bochs_device *bochs = dev->dev_private;
|
|
struct drm_crtc *crtc = &bochs->crtc;
|
|
|
|
drm_crtc_init(dev, crtc, &bochs_crtc_funcs);
|
|
drm_crtc_helper_add(crtc, &bochs_helper_funcs);
|
|
}
|
|
|
|
static void bochs_encoder_mode_set(struct drm_encoder *encoder,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
}
|
|
|
|
static void bochs_encoder_dpms(struct drm_encoder *encoder, int state)
|
|
{
|
|
}
|
|
|
|
static void bochs_encoder_prepare(struct drm_encoder *encoder)
|
|
{
|
|
}
|
|
|
|
static void bochs_encoder_commit(struct drm_encoder *encoder)
|
|
{
|
|
}
|
|
|
|
static const struct drm_encoder_helper_funcs bochs_encoder_helper_funcs = {
|
|
.dpms = bochs_encoder_dpms,
|
|
.mode_set = bochs_encoder_mode_set,
|
|
.prepare = bochs_encoder_prepare,
|
|
.commit = bochs_encoder_commit,
|
|
};
|
|
|
|
static const struct drm_encoder_funcs bochs_encoder_encoder_funcs = {
|
|
.destroy = drm_encoder_cleanup,
|
|
};
|
|
|
|
static void bochs_encoder_init(struct drm_device *dev)
|
|
{
|
|
struct bochs_device *bochs = dev->dev_private;
|
|
struct drm_encoder *encoder = &bochs->encoder;
|
|
|
|
encoder->possible_crtcs = 0x1;
|
|
drm_encoder_init(dev, encoder, &bochs_encoder_encoder_funcs,
|
|
DRM_MODE_ENCODER_DAC, NULL);
|
|
drm_encoder_helper_add(encoder, &bochs_encoder_helper_funcs);
|
|
}
|
|
|
|
|
|
int bochs_connector_get_modes(struct drm_connector *connector)
|
|
{
|
|
int count;
|
|
|
|
count = drm_add_modes_noedid(connector, 8192, 8192);
|
|
drm_set_preferred_mode(connector, defx, defy);
|
|
return count;
|
|
}
|
|
|
|
static int bochs_connector_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
struct bochs_device *bochs =
|
|
container_of(connector, struct bochs_device, connector);
|
|
unsigned long size = mode->hdisplay * mode->vdisplay * 4;
|
|
|
|
/*
|
|
* Make sure we can fit two framebuffers into video memory.
|
|
* This allows up to 1600x1200 with 16 MB (default size).
|
|
* If you want more try this:
|
|
* 'qemu -vga std -global VGA.vgamem_mb=32 $otherargs'
|
|
*/
|
|
if (size * 2 > bochs->fb_size)
|
|
return MODE_BAD;
|
|
|
|
return MODE_OK;
|
|
}
|
|
|
|
static struct drm_encoder *
|
|
bochs_connector_best_encoder(struct drm_connector *connector)
|
|
{
|
|
int enc_id = connector->encoder_ids[0];
|
|
/* pick the encoder ids */
|
|
if (enc_id)
|
|
return drm_encoder_find(connector->dev, enc_id);
|
|
return NULL;
|
|
}
|
|
|
|
static enum drm_connector_status bochs_connector_detect(struct drm_connector
|
|
*connector, bool force)
|
|
{
|
|
return connector_status_connected;
|
|
}
|
|
|
|
static const struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = {
|
|
.get_modes = bochs_connector_get_modes,
|
|
.mode_valid = bochs_connector_mode_valid,
|
|
.best_encoder = bochs_connector_best_encoder,
|
|
};
|
|
|
|
static const struct drm_connector_funcs bochs_connector_connector_funcs = {
|
|
.dpms = drm_helper_connector_dpms,
|
|
.detect = bochs_connector_detect,
|
|
.fill_modes = drm_helper_probe_single_connector_modes,
|
|
.destroy = drm_connector_cleanup,
|
|
};
|
|
|
|
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);
|
|
drm_connector_register(connector);
|
|
}
|
|
|
|
|
|
int bochs_kms_init(struct bochs_device *bochs)
|
|
{
|
|
drm_mode_config_init(bochs->dev);
|
|
bochs->mode_config_initialized = true;
|
|
|
|
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.funcs = &bochs_mode_funcs;
|
|
|
|
bochs_crtc_init(bochs->dev);
|
|
bochs_encoder_init(bochs->dev);
|
|
bochs_connector_init(bochs->dev);
|
|
drm_mode_connector_attach_encoder(&bochs->connector,
|
|
&bochs->encoder);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bochs_kms_fini(struct bochs_device *bochs)
|
|
{
|
|
if (bochs->mode_config_initialized) {
|
|
drm_mode_config_cleanup(bochs->dev);
|
|
bochs->mode_config_initialized = false;
|
|
}
|
|
}
|