diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fbdev.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 84 |
1 files changed, 53 insertions, 31 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 836f4100..d7ae29d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -34,7 +34,6 @@ #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_gem.h" -#include "exynos_drm_buf.h" #define MAX_CONNECTOR 4 #define PREFERRED_BPP 32 @@ -43,8 +42,8 @@ drm_fb_helper) struct exynos_drm_fbdev { - struct drm_fb_helper drm_fb_helper; - struct drm_framebuffer *fb; + struct drm_fb_helper drm_fb_helper; + struct exynos_drm_gem_obj *exynos_gem_obj; }; static int exynos_drm_fbdev_set_par(struct fb_info *info) @@ -90,26 +89,24 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper, { struct fb_info *fbi = helper->fbdev; struct drm_device *dev = helper->dev; - struct exynos_drm_fbdev *exynos_fb = to_exynos_fbdev(helper); struct exynos_drm_gem_buf *buffer; unsigned int size = fb->width * fb->height * (fb->bits_per_pixel >> 3); unsigned long offset; DRM_DEBUG_KMS("%s\n", __FILE__); - exynos_fb->fb = fb; - - drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); + drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, fb->width, fb->height); - buffer = exynos_drm_fb_get_buf(fb); + /* RGB formats use only one buffer */ + buffer = exynos_drm_fb_buffer(fb, 0); if (!buffer) { DRM_LOG_KMS("buffer is null.\n"); return -EFAULT; } offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3); - offset += fbi->var.yoffset * fb->pitch; + offset += fbi->var.yoffset * fb->pitches[0]; dev->mode_config.fb_base = (resource_size_t)buffer->dma_addr; fbi->screen_base = buffer->kvaddr + offset; @@ -124,10 +121,12 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { struct exynos_drm_fbdev *exynos_fbdev = to_exynos_fbdev(helper); + struct exynos_drm_gem_obj *exynos_gem_obj; struct drm_device *dev = helper->dev; struct fb_info *fbi; - struct drm_mode_fb_cmd mode_cmd = { 0 }; + struct drm_mode_fb_cmd2 mode_cmd = { 0 }; struct platform_device *pdev = dev->platformdev; + unsigned long size; int ret; DRM_DEBUG_KMS("%s\n", __FILE__); @@ -138,8 +137,9 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = sizes->surface_bpp; - mode_cmd.depth = sizes->surface_depth; + mode_cmd.pitches[0] = sizes->surface_width * (sizes->surface_bpp >> 3); + mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, + sizes->surface_depth); mutex_lock(&dev->struct_mutex); @@ -150,14 +150,23 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, goto out; } - exynos_fbdev->fb = exynos_drm_fb_create(dev, NULL, &mode_cmd); - if (IS_ERR_OR_NULL(exynos_fbdev->fb)) { + size = mode_cmd.pitches[0] * mode_cmd.height; + exynos_gem_obj = exynos_drm_gem_create(dev, size); + if (IS_ERR(exynos_gem_obj)) { + ret = PTR_ERR(exynos_gem_obj); + goto out; + } + + exynos_fbdev->exynos_gem_obj = exynos_gem_obj; + + helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, + &exynos_gem_obj->base); + if (IS_ERR_OR_NULL(helper->fb)) { DRM_ERROR("failed to create drm framebuffer.\n"); - ret = PTR_ERR(exynos_fbdev->fb); + ret = PTR_ERR(helper->fb); goto out; } - helper->fb = exynos_fbdev->fb; helper->fbdev = fbi; fbi->par = helper; @@ -171,8 +180,10 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper, } ret = exynos_drm_fbdev_update(helper, helper->fb); - if (ret < 0) + if (ret < 0) { fb_dealloc_cmap(&fbi->cmap); + goto out; + } /* * if failed, all resources allocated above would be released by @@ -205,34 +216,42 @@ static int exynos_drm_fbdev_recreate(struct drm_fb_helper *helper, { struct drm_device *dev = helper->dev; struct exynos_drm_fbdev *exynos_fbdev = to_exynos_fbdev(helper); - struct drm_framebuffer *fb = exynos_fbdev->fb; - struct drm_mode_fb_cmd mode_cmd = { 0 }; + struct exynos_drm_gem_obj *exynos_gem_obj; + struct drm_framebuffer *fb = helper->fb; + struct drm_mode_fb_cmd2 mode_cmd = { 0 }; + unsigned long size; DRM_DEBUG_KMS("%s\n", __FILE__); - if (helper->fb != fb) { - DRM_ERROR("drm framebuffer is different\n"); - return -EINVAL; - } - if (exynos_drm_fbdev_is_samefb(fb, sizes)) return 0; mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = sizes->surface_bpp; - mode_cmd.depth = sizes->surface_depth; + mode_cmd.pitches[0] = sizes->surface_width * (sizes->surface_bpp >> 3); + mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, + sizes->surface_depth); + + if (exynos_fbdev->exynos_gem_obj) + exynos_drm_gem_destroy(exynos_fbdev->exynos_gem_obj); if (fb->funcs->destroy) fb->funcs->destroy(fb); - exynos_fbdev->fb = exynos_drm_fb_create(dev, NULL, &mode_cmd); - if (IS_ERR(exynos_fbdev->fb)) { - DRM_ERROR("failed to allocate fb.\n"); - return PTR_ERR(exynos_fbdev->fb); + size = mode_cmd.pitches[0] * mode_cmd.height; + exynos_gem_obj = exynos_drm_gem_create(dev, size); + if (IS_ERR(exynos_gem_obj)) + return PTR_ERR(exynos_gem_obj); + + exynos_fbdev->exynos_gem_obj = exynos_gem_obj; + + helper->fb = exynos_drm_framebuffer_init(dev, &mode_cmd, + &exynos_gem_obj->base); + if (IS_ERR_OR_NULL(helper->fb)) { + DRM_ERROR("failed to create drm framebuffer.\n"); + return PTR_ERR(helper->fb); } - helper->fb = exynos_fbdev->fb; return exynos_drm_fbdev_update(helper, helper->fb); } @@ -366,6 +385,9 @@ void exynos_drm_fbdev_fini(struct drm_device *dev) fbdev = to_exynos_fbdev(private->fb_helper); + if (fbdev->exynos_gem_obj) + exynos_drm_gem_destroy(fbdev->exynos_gem_obj); + exynos_drm_fbdev_destroy(dev, private->fb_helper); kfree(fbdev); private->fb_helper = NULL; |