summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c98
1 files changed, 60 insertions, 38 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 919146780a15..24629bec181a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -25,7 +25,7 @@
*/
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/fb.h>
+#include <linux/pm_runtime.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
@@ -48,27 +48,48 @@ struct amdgpu_fbdev {
struct amdgpu_device *adev;
};
+static int
+amdgpufb_open(struct fb_info *info, int user)
+{
+ struct amdgpu_fbdev *rfbdev = info->par;
+ struct amdgpu_device *adev = rfbdev->adev;
+ int ret = pm_runtime_get_sync(adev->ddev->dev);
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_mark_last_busy(adev->ddev->dev);
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+ return ret;
+ }
+ return 0;
+}
+
+static int
+amdgpufb_release(struct fb_info *info, int user)
+{
+ struct amdgpu_fbdev *rfbdev = info->par;
+ struct amdgpu_device *adev = rfbdev->adev;
+
+ pm_runtime_mark_last_busy(adev->ddev->dev);
+ pm_runtime_put_autosuspend(adev->ddev->dev);
+ return 0;
+}
+
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,
+ DRM_FB_HELPER_DEFAULT_OPS,
+ .fb_open = amdgpufb_open,
+ .fb_release = amdgpufb_release,
.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,
- .fb_debug_enter = drm_fb_helper_debug_enter,
- .fb_debug_leave = drm_fb_helper_debug_leave,
};
-int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tiled)
+int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int cpp, bool tiled)
{
int aligned = width;
int pitch_mask = 0;
- switch (bpp / 8) {
+ switch (cpp) {
case 1:
pitch_mask = 255;
break;
@@ -83,19 +104,19 @@ int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tile
aligned += pitch_mask;
aligned &= ~pitch_mask;
- return aligned;
+ return aligned * cpp;
}
static void amdgpufb_destroy_pinned_object(struct drm_gem_object *gobj)
{
- struct amdgpu_bo *rbo = gem_to_amdgpu_bo(gobj);
+ struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj);
int ret;
- ret = amdgpu_bo_reserve(rbo, false);
+ ret = amdgpu_bo_reserve(abo, false);
if (likely(ret == 0)) {
- amdgpu_bo_kunmap(rbo);
- amdgpu_bo_unpin(rbo);
- amdgpu_bo_unreserve(rbo);
+ amdgpu_bo_kunmap(abo);
+ amdgpu_bo_unpin(abo);
+ amdgpu_bo_unreserve(abo);
}
drm_gem_object_unreference_unlocked(gobj);
}
@@ -106,56 +127,57 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev,
{
struct amdgpu_device *adev = rfbdev->adev;
struct drm_gem_object *gobj = NULL;
- struct amdgpu_bo *rbo = NULL;
+ struct amdgpu_bo *abo = NULL;
bool fb_tiled = false; /* useful for testing */
u32 tiling_flags = 0;
int ret;
int aligned_size, size;
int height = mode_cmd->height;
- u32 bpp, depth;
+ u32 cpp;
- drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
+ cpp = drm_format_plane_cpp(mode_cmd->pixel_format, 0);
/* need to align pitch with crtc limits */
- mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, bpp,
- fb_tiled) * ((bpp + 1) / 8);
+ mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, cpp,
+ fb_tiled);
height = ALIGN(mode_cmd->height, 8);
size = mode_cmd->pitches[0] * height;
aligned_size = ALIGN(size, PAGE_SIZE);
ret = amdgpu_gem_object_create(adev, aligned_size, 0,
AMDGPU_GEM_DOMAIN_VRAM,
- AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
true, &gobj);
if (ret) {
printk(KERN_ERR "failed to allocate framebuffer (%d)\n",
aligned_size);
return -ENOMEM;
}
- rbo = gem_to_amdgpu_bo(gobj);
+ abo = gem_to_amdgpu_bo(gobj);
if (fb_tiled)
tiling_flags = AMDGPU_TILING_SET(ARRAY_MODE, GRPH_ARRAY_2D_TILED_THIN1);
- ret = amdgpu_bo_reserve(rbo, false);
+ ret = amdgpu_bo_reserve(abo, false);
if (unlikely(ret != 0))
goto out_unref;
if (tiling_flags) {
- ret = amdgpu_bo_set_tiling_flags(rbo,
+ ret = amdgpu_bo_set_tiling_flags(abo,
tiling_flags);
if (ret)
dev_err(adev->dev, "FB failed to set tiling flags\n");
}
- ret = amdgpu_bo_pin_restricted(rbo, AMDGPU_GEM_DOMAIN_VRAM, 0, 0, NULL);
+ ret = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, NULL);
if (ret) {
- amdgpu_bo_unreserve(rbo);
+ amdgpu_bo_unreserve(abo);
goto out_unref;
}
- ret = amdgpu_bo_kmap(rbo, NULL);
- amdgpu_bo_unreserve(rbo);
+ ret = amdgpu_bo_kmap(abo, NULL);
+ amdgpu_bo_unreserve(abo);
if (ret) {
goto out_unref;
}
@@ -177,7 +199,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
struct drm_framebuffer *fb = NULL;
struct drm_mode_fb_cmd2 mode_cmd;
struct drm_gem_object *gobj = NULL;
- struct amdgpu_bo *rbo = NULL;
+ struct amdgpu_bo *abo = NULL;
int ret;
unsigned long tmp;
@@ -196,7 +218,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
return ret;
}
- rbo = gem_to_amdgpu_bo(gobj);
+ abo = gem_to_amdgpu_bo(gobj);
/* okay we have an object now allocate the framebuffer */
info = drm_fb_helper_alloc_fbi(helper);
@@ -219,7 +241,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
/* setup helper */
rfbdev->helper.fb = fb;
- memset_io(rbo->kptr, 0x0, amdgpu_bo_size(rbo));
+ memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo));
strcpy(info->fix.id, "amdgpudrmfb");
@@ -228,11 +250,11 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &amdgpufb_ops;
- tmp = amdgpu_bo_gpu_offset(rbo) - adev->mc.vram_start;
+ tmp = amdgpu_bo_gpu_offset(abo) - adev->mc.vram_start;
info->fix.smem_start = adev->mc.aper_base + tmp;
- info->fix.smem_len = amdgpu_bo_size(rbo);
- info->screen_base = rbo->kptr;
- info->screen_size = amdgpu_bo_size(rbo);
+ info->fix.smem_len = amdgpu_bo_size(abo);
+ info->screen_base = abo->kptr;
+ info->screen_size = amdgpu_bo_size(abo);
drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
@@ -249,7 +271,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
DRM_INFO("vram apper at 0x%lX\n", (unsigned long)adev->mc.aper_base);
- DRM_INFO("size %lu\n", (unsigned long)amdgpu_bo_size(rbo));
+ DRM_INFO("size %lu\n", (unsigned long)amdgpu_bo_size(abo));
DRM_INFO("fb depth is %d\n", fb->depth);
DRM_INFO(" pitch is %d\n", fb->pitches[0]);
@@ -259,7 +281,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
out_destroy_fbi:
drm_fb_helper_release_fbi(helper);
out_unref:
- if (rbo) {
+ if (abo) {
}
if (fb && ret) {
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-11-04 06:17:43 +0000