From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751831AbeBBMcw (ORCPT ); Fri, 2 Feb 2018 07:32:52 -0500 Received: from mout.kundenserver.de ([217.72.192.74]:59974 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751508AbeBBMcm (ORCPT ); Fri, 2 Feb 2018 07:32:42 -0500 From: Arnd Bergmann To: Alex Deucher , Harry Wentland Cc: Arnd Bergmann , =?UTF-8?q?Christian=20K=C3=B6nig?= , "David (ChunMing) Zhou" , David Airlie , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH] drm/amd/display: fix incompatible structure layouts Date: Fri, 2 Feb 2018 13:31:26 +0100 Message-Id: <20180202123232.477388-1-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 X-Provags-ID: V03:K0:e52Iufj1g2FzoCTZ2gl7xEoDGAUXX17WKfwccxgqWr/ivGkp+F6 cTCx2Ucz5Gno7ucRWsCLMd4PNyMODbH7vS9fTgpVL6o+++8xl7K7ITGmUqGI4KMeHSQ+oQO apHLU45OcXzBU6q9kAHT8VgXUZ7D5AkRLKV/gavoyRrzSF51qADV4BnamsxMirdupBIxDTA z6+RLyJ1owLPth2owbLJQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:CBC2OY+8gk4=:9SVxO8DI0gfc1kCiiZ+Kb/ tPYPLatTKftOHVV7u06klGJ5jPHeSo3SrO5g6K6W08nVKBYeG5TN3mWasC7OlcSBAcjUIAEyU bfnp3zIBJuENAbuksf5chL1q+Mn8Uq0CdXlLg59C30i1AtdnApC5Ln/EQUmxvDt4UVRW39vpK GbBn2XL+7+UaGYPI1vznK/SItT4qpHPBJHQQDafwA61le63+GBpBJ9AggP5pguOEXl/N5iReu DG/yBT9kxmWQZVdSx6Nx8VC/UqnPCEkP6KqH9CgHJJsfAfJBxo+iGfpDaDD7PNt5+q9Th5pJg +bGzgOOdU0c9NcztrFo9NhGMNtZ+QZXSrXDJz3eVhrf8PUVTHkK7G9E9aGVagA/eCC8MAoBjI uo2A44yTqz7mLnw0ZPkqGUBaqIdbUUBHI5b4oHdPzrr29bYjci8ej03bgM+8VwAEqFWbW+uhk BDxcFj3yg3B6xXD9Yf68zXSix8tjP+I/yXGO9QlaUJ9PdmW73enh1BDMPphwsBdC3arfb8ccZ od90ma+8OqCabJhgAd2dOqj6DSAtnVRkuYfkZUoO5UV9swhR0qWUPtlkd5JBUxzLG8EROXy2q 1W7hSqCnsSMPZcpOcn4u1XDnMcBZ5PnXBnTFSRnQ/H+tR1rAbXOTBS62HzwsdsgscJCAZNL83 7kSWPAW7uDQU9402L6rj7iHl16NLVJL746XLfmIKIHWPNgSUBry5KlAuapdgR5gB5YJHYPW9p AlC0jZxj10g+2Iuw6gc3HBaiMVih+zo/R5P5Mg== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Building the amd display driver with link-time optimizations revealed a bug that caused dal_cmd_tbl_helper_dce80_get_table() and dal_cmd_tbl_helper_dce110_get_table() get called with an incompatible return type between the two callers in command_table_helper.c and command_table_helper2.c: drivers/gpu/drm/amd/amdgpu/../display/dc/bios/dce80/command_table_helper_dce80.h:31: error: type of 'dal_cmd_tbl_helper_dce80_get_table' does not match original declaration [-Werror=lto-type-mismatch] const struct command_table_helper *dal_cmd_tbl_helper_dce80_get_table(void); drivers/gpu/drm/amd/amdgpu/../display/dc/bios/dce80/command_table_helper_dce80.c:351: note: 'dal_cmd_tbl_helper_dce80_get_table' was previously declared here const struct command_table_helper *dal_cmd_tbl_helper_dce80_get_table(void) drivers/gpu/drm/amd/amdgpu/../display/dc/bios/dce110/command_table_helper_dce110.h:32: error: type of 'dal_cmd_tbl_helper_dce110_get_table' does not match original declaration [-Werror=lto-type-mismatch] const struct command_table_helper *dal_cmd_tbl_helper_dce110_get_table(void); drivers/gpu/drm/amd/amdgpu/../display/dc/bios/dce110/command_table_helper_dce110.c:361: note: 'dal_cmd_tbl_helper_dce110_get_table' was previously declared here const struct command_table_helper *dal_cmd_tbl_helper_dce110_get_table(void) The two versions of the structure are obviously derived from the same one, but have diverged over time, before they got added to the kernel. This moves the structure to a new shared header file and uses the superset of the members, to ensure the interfaces are all compatible. Fixes: ae79c310b1a6 ("drm/amd/display: Add DCE12 bios parser support") Signed-off-by: Arnd Bergmann --- .../drm/amd/display/dc/bios/command_table_helper.h | 33 +---------- .../amd/display/dc/bios/command_table_helper2.h | 30 +--------- .../display/dc/bios/command_table_helper_struct.h | 66 ++++++++++++++++++++++ 3 files changed, 68 insertions(+), 61 deletions(-) create mode 100644 drivers/gpu/drm/amd/display/dc/bios/command_table_helper_struct.h diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h index 1fab634b66be..4c3789df253d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h @@ -29,38 +29,7 @@ #include "dce80/command_table_helper_dce80.h" #include "dce110/command_table_helper_dce110.h" #include "dce112/command_table_helper_dce112.h" - -struct command_table_helper { - bool (*controller_id_to_atom)(enum controller_id id, uint8_t *atom_id); - uint8_t (*encoder_action_to_atom)( - enum bp_encoder_control_action action); - uint32_t (*encoder_mode_bp_to_atom)(enum signal_type s, - bool enable_dp_audio); - bool (*engine_bp_to_atom)(enum engine_id engine_id, - uint32_t *atom_engine_id); - void (*assign_control_parameter)( - const struct command_table_helper *h, - struct bp_encoder_control *control, - DIG_ENCODER_CONTROL_PARAMETERS_V2 *ctrl_param); - bool (*clock_source_id_to_atom)(enum clock_source_id id, - uint32_t *atom_pll_id); - bool (*clock_source_id_to_ref_clk_src)( - enum clock_source_id id, - uint32_t *ref_clk_src_id); - uint8_t (*transmitter_bp_to_atom)(enum transmitter t); - uint8_t (*encoder_id_to_atom)(enum encoder_id id); - uint8_t (*clock_source_id_to_atom_phy_clk_src_id)( - enum clock_source_id id); - uint8_t (*signal_type_to_atom_dig_mode)(enum signal_type s); - uint8_t (*hpd_sel_to_atom)(enum hpd_source_id id); - uint8_t (*dig_encoder_sel_to_atom)(enum engine_id engine_id); - uint8_t (*phy_id_to_atom)(enum transmitter t); - uint8_t (*disp_power_gating_action_to_atom)( - enum bp_pipe_control_action action); - bool (*dc_clock_type_to_atom)(enum bp_dce_clock_type id, - uint32_t *atom_clock_type); - uint8_t (*transmitter_color_depth_to_atom)(enum transmitter_color_depth id); -}; +#include "command_table_helper_struct.h" bool dal_bios_parser_init_cmd_tbl_helper(const struct command_table_helper **h, enum dce_version dce); diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h index 9f587c91d843..785fcb20a1b9 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h @@ -29,35 +29,7 @@ #include "dce80/command_table_helper_dce80.h" #include "dce110/command_table_helper_dce110.h" #include "dce112/command_table_helper2_dce112.h" - -struct command_table_helper { - bool (*controller_id_to_atom)(enum controller_id id, uint8_t *atom_id); - uint8_t (*encoder_action_to_atom)( - enum bp_encoder_control_action action); - uint32_t (*encoder_mode_bp_to_atom)(enum signal_type s, - bool enable_dp_audio); - bool (*engine_bp_to_atom)(enum engine_id engine_id, - uint32_t *atom_engine_id); - bool (*clock_source_id_to_atom)(enum clock_source_id id, - uint32_t *atom_pll_id); - bool (*clock_source_id_to_ref_clk_src)( - enum clock_source_id id, - uint32_t *ref_clk_src_id); - uint8_t (*transmitter_bp_to_atom)(enum transmitter t); - uint8_t (*encoder_id_to_atom)(enum encoder_id id); - uint8_t (*clock_source_id_to_atom_phy_clk_src_id)( - enum clock_source_id id); - uint8_t (*signal_type_to_atom_dig_mode)(enum signal_type s); - uint8_t (*hpd_sel_to_atom)(enum hpd_source_id id); - uint8_t (*dig_encoder_sel_to_atom)(enum engine_id engine_id); - uint8_t (*phy_id_to_atom)(enum transmitter t); - uint8_t (*disp_power_gating_action_to_atom)( - enum bp_pipe_control_action action); - bool (*dc_clock_type_to_atom)(enum bp_dce_clock_type id, - uint32_t *atom_clock_type); - uint8_t (*transmitter_color_depth_to_atom)( - enum transmitter_color_depth id); -}; +#include "command_table_helper_struct.h" bool dal_bios_parser_init_cmd_tbl_helper2(const struct command_table_helper **h, enum dce_version dce); diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper_struct.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper_struct.h new file mode 100644 index 000000000000..1f2c0a3f06f9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper_struct.h @@ -0,0 +1,66 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef __DAL_COMMAND_TABLE_HELPER_STRUCT_H__ +#define __DAL_COMMAND_TABLE_HELPER_STRUCT_H__ + +#include "dce80/command_table_helper_dce80.h" +#include "dce110/command_table_helper_dce110.h" +#include "dce112/command_table_helper_dce112.h" + +struct _DIG_ENCODER_CONTROL_PARAMETERS_V2; +struct command_table_helper { + bool (*controller_id_to_atom)(enum controller_id id, uint8_t *atom_id); + uint8_t (*encoder_action_to_atom)( + enum bp_encoder_control_action action); + uint32_t (*encoder_mode_bp_to_atom)(enum signal_type s, + bool enable_dp_audio); + bool (*engine_bp_to_atom)(enum engine_id engine_id, + uint32_t *atom_engine_id); + void (*assign_control_parameter)( + const struct command_table_helper *h, + struct bp_encoder_control *control, + struct _DIG_ENCODER_CONTROL_PARAMETERS_V2 *ctrl_param); + bool (*clock_source_id_to_atom)(enum clock_source_id id, + uint32_t *atom_pll_id); + bool (*clock_source_id_to_ref_clk_src)( + enum clock_source_id id, + uint32_t *ref_clk_src_id); + uint8_t (*transmitter_bp_to_atom)(enum transmitter t); + uint8_t (*encoder_id_to_atom)(enum encoder_id id); + uint8_t (*clock_source_id_to_atom_phy_clk_src_id)( + enum clock_source_id id); + uint8_t (*signal_type_to_atom_dig_mode)(enum signal_type s); + uint8_t (*hpd_sel_to_atom)(enum hpd_source_id id); + uint8_t (*dig_encoder_sel_to_atom)(enum engine_id engine_id); + uint8_t (*phy_id_to_atom)(enum transmitter t); + uint8_t (*disp_power_gating_action_to_atom)( + enum bp_pipe_control_action action); + bool (*dc_clock_type_to_atom)(enum bp_dce_clock_type id, + uint32_t *atom_clock_type); + uint8_t (*transmitter_color_depth_to_atom)(enum transmitter_color_depth id); +}; + +#endif -- 2.9.0