Use the newly created wrapper drm_fb_helper functions instead of calling
core fbdev functions directly. They also simplify the fb_info creation.
COMPILE TESTED ONLY.
v2: Fixed PTR_ERR issue mentioned by kbuild bot
Cc: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Oded Gabbay <oded.gabbay@xxxxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 45 ++++++++++-----------------------
2 files changed, 17 insertions(+), 32 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 56da962..52d7cfd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -35,6 +35,7 @@
#include "amdgpu_drv.h"
#include <drm/drm_pciids.h>
+#include <drm/drm_fb_helper.h>
#include <linux/console.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
@@ -267,7 +268,8 @@ static int amdgpu_kick_out_firmware_fb(struct pci_dev *pdev)
#ifdef CONFIG_X86
primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
- remove_conflicting_framebuffers(ap, "amdgpudrmfb", primary);
+ drm_fb_helper_remove_conflicting_framebuffers(ap, "amdgpudrmfb",
+ primary);
kfree(ap);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index c1645d2..81b8212 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -53,9 +53,9 @@ static struct fb_ops amdgpufb_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
+ .fb_fillrect = drm_fb_helper_cfb_fillrect,
+ .fb_copyarea = drm_fb_helper_cfb_copyarea,
+ .fb_imageblit = drm_fb_helper_cfb_imageblit,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
.fb_setcmap = drm_fb_helper_setcmap,
@@ -179,7 +179,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_gem_object *gobj = NULL;
struct amdgpu_bo *rbo = NULL;
- struct device *device = &adev->pdev->dev;
int ret;
unsigned long tmp;
@@ -201,9 +200,9 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
rbo = gem_to_amdgpu_bo(gobj);
/* okay we have an object now allocate the framebuffer */
- info = framebuffer_alloc(0, device);
- if (info == NULL) {
- ret = -ENOMEM;
+ info = drm_fb_helper_alloc_fbi(helper);
+ if (IS_ERR(info)) {
+ ret = PTR_ERR(info);
goto out_unref;
}
@@ -212,14 +211,13 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
ret = amdgpu_framebuffer_init(adev->ddev, &rfbdev->rfb, &mode_cmd, gobj);
if (ret) {
DRM_ERROR("failed to initialize framebuffer %d\n", ret);
- goto out_unref;
+ goto out_destroy_fbi;
}
fb = &rfbdev->rfb.base;
/* setup helper */
rfbdev->helper.fb = fb;
- rfbdev->helper.fbdev = info;
memset_io(rbo->kptr, 0x0, amdgpu_bo_size(rbo));
@@ -239,11 +237,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
/* setup aperture base/size for vesafb takeover */
- info->apertures = alloc_apertures(1);
- if (!info->apertures) {
- ret = -ENOMEM;
- goto out_unref;
- }
info->apertures->ranges[0].base = adev->ddev->mode_config.fb_base;
info->apertures->ranges[0].size = adev->mc.aper_size;
@@ -251,13 +244,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
if (info->screen_base == NULL) {
ret = -ENOSPC;
- goto out_unref;
- }
-
- ret = fb_alloc_cmap(&info->cmap, 256, 0);
- if (ret) {
- ret = -ENOMEM;
- goto out_unref;
+ goto out_destroy_fbi;
}
DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
@@ -269,6 +256,8 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
vga_switcheroo_client_fb_set(adev->ddev->pdev, info);
return 0;
+out_destroy_fbi:
+ drm_fb_helper_release_fbi(helper);
out_unref:
if (rbo) {
@@ -290,17 +279,10 @@ void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev)
static int amdgpu_fbdev_destroy(struct drm_device *dev, struct amdgpu_fbdev *rfbdev)
{
- struct fb_info *info;
struct amdgpu_framebuffer *rfb = &rfbdev->rfb;
- if (rfbdev->helper.fbdev) {
- info = rfbdev->helper.fbdev;
-
- unregister_framebuffer(info);
- if (info->cmap.len)
- fb_dealloc_cmap(&info->cmap);
- framebuffer_release(info);
- }
+ drm_fb_helper_unregister_fbi(&rfbdev->helper);
+ drm_fb_helper_release_fbi(&rfbdev->helper);
if (rfb->obj) {
amdgpufb_destroy_pinned_object(rfb->obj);
@@ -395,7 +377,8 @@ void amdgpu_fbdev_fini(struct amdgpu_device *adev)
void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state)
{
if (adev->mode_info.rfbdev)
- fb_set_suspend(adev->mode_info.rfbdev->helper.fbdev, state);
+ drm_fb_helper_set_suspend(&adev->mode_info.rfbdev->helper,
+ state);
}
int amdgpu_fbdev_total_size(struct amdgpu_device *adev)
--
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