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.
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: "Christian König" <christian.koenig@xxxxxxx>
Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_drv.c | 4 +++-
drivers/gpu/drm/radeon/radeon_fb.c | 42 +++++++++++--------------------------
2 files changed, 15 insertions(+), 31 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 5751446..98ee541 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -39,6 +39,7 @@
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_gem.h>
+#include <drm/drm_fb_helper.h>
#include "drm_crtc_helper.h"
#include "radeon_kfd.h"
@@ -390,7 +391,8 @@ static int radeon_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, "radeondrmfb", primary);
+ drm_fb_helper_remove_conflicting_framebuffers(ap, "radeondrmfb",
+ primary);
kfree(ap);
return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 634793e..e0fcd3d 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -82,9 +82,9 @@ static struct fb_ops radeonfb_ops = {
.owner = THIS_MODULE,
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = radeon_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,
@@ -227,7 +227,6 @@ static int radeonfb_create(struct drm_fb_helper *helper,
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_gem_object *gobj = NULL;
struct radeon_bo *rbo = NULL;
- struct device *device = &rdev->pdev->dev;
int ret;
unsigned long tmp;
@@ -250,9 +249,9 @@ static int radeonfb_create(struct drm_fb_helper *helper,
rbo = gem_to_radeon_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;
}
@@ -261,14 +260,13 @@ static int radeonfb_create(struct drm_fb_helper *helper,
ret = radeon_framebuffer_init(rdev->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, radeon_bo_size(rbo));
@@ -288,11 +286,6 @@ static int radeonfb_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 = rdev->ddev->mode_config.fb_base;
info->apertures->ranges[0].size = rdev->mc.aper_size;
@@ -300,13 +293,7 @@ static int radeonfb_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);
@@ -318,6 +305,8 @@ static int radeonfb_create(struct drm_fb_helper *helper,
vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
return 0;
+out_destroy_fbi:
+ drm_fb_helper_release_fbi(helper);
out_unref:
if (rbo) {
@@ -338,17 +327,10 @@ void radeon_fb_output_poll_changed(struct radeon_device *rdev)
static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
{
- struct fb_info *info;
struct radeon_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) {
radeonfb_destroy_pinned_object(rfb->obj);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation
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