From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/radeon/radeon_fb.c | 57 ++++++++++++++++++++-------------------------------------
1 files changed, 20 insertions(+), 37 deletions(-)
diff --git a/kernel/drivers/gpu/drm/radeon/radeon_fb.c b/kernel/drivers/gpu/drm/radeon/radeon_fb.c
index 1179034..fc42126 100644
--- a/kernel/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/kernel/drivers/gpu/drm/radeon/radeon_fb.c
@@ -23,26 +23,27 @@
* Authors:
* David Airlie
*/
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/pm_runtime.h>
-#include <drm/drmP.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/vga_switcheroo.h>
+
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/radeon_drm.h>
-#include "radeon.h"
-
#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/radeon_drm.h>
-#include <linux/vga_switcheroo.h>
+#include "radeon.h"
/* object hierarchy -
* this contains a helper + a radeon fb
* the helper contains a pointer to radeon framebuffer baseclass.
*/
struct radeon_fbdev {
- struct drm_fb_helper helper;
+ struct drm_fb_helper helper; /* must be first */
struct drm_framebuffer fb;
struct radeon_device *rdev;
};
@@ -72,7 +73,7 @@
return 0;
}
-static struct fb_ops radeonfb_ops = {
+static const struct fb_ops radeonfb_ops = {
.owner = THIS_MODULE,
DRM_FB_HELPER_DEFAULT_OPS,
.fb_open = radeonfb_open,
@@ -118,13 +119,14 @@
radeon_bo_unpin(rbo);
radeon_bo_unreserve(rbo);
}
- drm_gem_object_put_unlocked(gobj);
+ drm_gem_object_put(gobj);
}
static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **gobj_p)
{
+ const struct drm_format_info *info;
struct radeon_device *rdev = rfbdev->rdev;
struct drm_gem_object *gobj = NULL;
struct radeon_bo *rbo = NULL;
@@ -135,7 +137,8 @@
int height = mode_cmd->height;
u32 cpp;
- cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
+ info = drm_get_format_info(rdev->ddev, mode_cmd);
+ cpp = info->cpp[0];
/* need to align pitch with crtc limits */
mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, cpp,
@@ -244,7 +247,8 @@
goto out;
}
- info->par = rfbdev;
+ /* radeon resume is fragile and needs a vt switch to help it along */
+ info->skip_vt_switch = false;
ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->fb, &mode_cmd, gobj);
if (ret) {
@@ -259,10 +263,6 @@
memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo));
- strcpy(info->fix.id, "radeondrmfb");
-
- drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-
info->fbops = &radeonfb_ops;
tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start;
@@ -271,7 +271,7 @@
info->screen_base = rbo->kptr;
info->screen_size = radeon_bo_size(rbo);
- drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
+ drm_fb_helper_fill_info(info, &rfbdev->helper, sizes);
/* setup aperture base/size for vesafb takeover */
info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base;
@@ -298,7 +298,7 @@
}
if (fb && ret) {
- drm_gem_object_put_unlocked(gobj);
+ drm_gem_object_put(gobj);
drm_framebuffer_unregister_private(fb);
drm_framebuffer_cleanup(fb);
kfree(fb);
@@ -354,14 +354,9 @@
drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper,
&radeon_fb_helper_funcs);
- ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper,
- RADEONFB_CONN_LIMIT);
+ ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper);
if (ret)
goto free;
-
- ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper);
- if (ret)
- goto fini;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(rdev->ddev);
@@ -403,16 +398,4 @@
if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->fb.obj[0]))
return true;
return false;
-}
-
-void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector)
-{
- if (rdev->mode_info.rfbdev)
- drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector);
-}
-
-void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector)
-{
- if (rdev->mode_info.rfbdev)
- drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
}
--
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