diff options
author | Alex Shi <alex.shi@linaro.org> | 2017-01-19 12:04:27 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2017-01-19 12:04:27 +0800 |
commit | cb370744bc101be91a0bc3e9fbdb670ab44df97d (patch) | |
tree | 1a84448b43dee0f4e255f9434e776c51812ddb35 /drivers/gpu/drm/ast/ast_main.c | |
parent | 67f07b48af22065412ba4e78472121c0a9f58329 (diff) | |
parent | f40b3cc69de8c97bbcdb74e3cffda06ffcad2cd7 (diff) |
Merge tag 'v4.1.38' into linux-linaro-lsk-v4.1lsk-v4.1-17.02
This is the 4.1.38 stable release
Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
-rw-r--r-- | drivers/gpu/drm/ast/ast_main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index fd5c5f3370f6..e53dbc90fcb6 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -223,7 +223,8 @@ static int ast_get_dram_info(struct drm_device *dev) ast_write32(ast, 0x10000, 0xfc600309); do { - ; + if (pci_channel_offline(dev->pdev)) + return -EIO; } while (ast_read32(ast, 0x10000) != 0x01); data = ast_read32(ast, 0x10004); @@ -429,7 +430,9 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags) ast_detect_chip(dev, &need_post); if (ast->chip != AST1180) { - ast_get_dram_info(dev); + ret = ast_get_dram_info(dev); + if (ret) + goto out_free; ast->vram_size = ast_get_vram_info(dev); DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast->dram_type, ast->dram_bus_width, ast->vram_size); } |