diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 73 |
1 files changed, 50 insertions, 23 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 919146780a15..9fb8aa4d6bae 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> @@ -48,8 +48,35 @@ 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_open = amdgpufb_open, + .fb_release = amdgpufb_release, .fb_check_var = drm_fb_helper_check_var, .fb_set_par = drm_fb_helper_set_par, .fb_fillrect = drm_fb_helper_cfb_fillrect, @@ -88,14 +115,14 @@ int amdgpu_align_pitch(struct amdgpu_device *adev, int width, int bpp, bool tile 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); } @@ -106,7 +133,7 @@ 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; @@ -132,30 +159,30 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, 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_restricted(abo, AMDGPU_GEM_DOMAIN_VRAM, 0, 0, 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 +204,7 @@ 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 +223,7 @@ 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 +246,7 @@ 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 +255,11 @@ 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 +276,7 @@ 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 +286,7 @@ 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) { |