From: Nathan Chancellor Date: Fri, 1 Feb 2019 20:12:26 +0000 (-0700) Subject: drm/amd/display: Use memset to initialize variables in fill_plane_dcc_attributes X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8daa12182a7ab441a2b3eeb170f9d8a12b206d6c;p=openwrt%2Fstaging%2Fblogic.git drm/amd/display: Use memset to initialize variables in fill_plane_dcc_attributes Clang warns: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:2314:38: warning: suggest braces around initialization of subobject [-Wmissing-braces] struct dc_surface_dcc_cap output = {0}; ^ {} Previous efforts to fix this type of warning by adding or removing braces have been met with some pushback in favor of using memset [1][2]. Do that here, mirroring commit 05794eff1aa6 ("drm/amdgpu/gmc: fix compiler errors [-Werror,-Wmissing-braces] (V2)") in this tree. [1]: https://lore.kernel.org/lkml/022e41c0-8465-dc7a-a45c-64187ecd9684@amd.com/ [2]: https://lore.kernel.org/lkml/20181128.215241.702406654469517539.davem@davemloft.net/ Fixes: 7df7e505e82a ("drm/amd/display: Set requested plane state DCC params for GFX9") Signed-off-by: Nathan Chancellor Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 640ac9d9f04f..a08820f86f0f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2297,12 +2297,15 @@ static bool fill_plane_dcc_attributes(struct amdgpu_device *adev, uint64_t info) { struct dc *dc = adev->dm.dc; - struct dc_dcc_surface_param input = {0}; - struct dc_surface_dcc_cap output = {0}; + struct dc_dcc_surface_param input; + struct dc_surface_dcc_cap output; uint32_t offset = AMDGPU_TILING_GET(info, DCC_OFFSET_256B); uint32_t i64b = AMDGPU_TILING_GET(info, DCC_INDEPENDENT_64B) != 0; uint64_t dcc_address; + memset(&input, 0, sizeof(input)); + memset(&output, 0, sizeof(output)); + if (!offset) return false;