Re: [PATCH] amdgpu: fix gcc-4.8 build warnings

From: Rodrigo Siqueira
Date: Tue Apr 28 2020 - 20:29:34 EST

Thanks for your patch.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>

On 04/28, Arnd Bergmann wrote:
> Older compilers warn about initializers with incorrect curly
> braces:
>
> drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_dsc_aux_for_port':
> drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: error: missing braces around initializer [-Werror=missing-braces]
> struct drm_dp_desc desc = { 0 };
> ^
>
> Change all instances in the amd gpu driver to using the GNU empty
> initializer extension.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
> drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 2 +-
> drivers/gpu/drm/amd/display/dc/bios/command_table2.c | 4 ++--
> drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 2 +-
> drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 +++---
> drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c | 6 +++---
> drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 2 +-
> drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c | 8 ++++----
> 8 files changed, 16 insertions(+), 16 deletions(-)
>
> 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 7f4417981bff..81ce3103d751 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -8695,7 +8695,7 @@ bool amdgpu_dm_psr_enable(struct dc_stream_state *stream)
> {
> struct dc_link *link = stream->link;
> unsigned int vsync_rate_hz = 0;
> - struct dc_static_screen_params params = {0};
> + struct dc_static_screen_params params = { };
> /* Calculate number of static frames before generating interrupt to
> * enter PSR.
> */
> diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> index 37fa7b48250e..5484a316eaa8 100644
> --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
> @@ -294,7 +294,7 @@ static enum bp_result bios_parser_get_i2c_info(struct dc_bios *dcb,
> struct atom_display_object_path_v2 *object;
> struct atom_common_record_header *header;
> struct atom_i2c_record *record;
> - struct atom_i2c_record dummy_record = {0};
> + struct atom_i2c_record dummy_record = { };
> struct bios_parser *bp = BP_FROM_DCB(dcb);
>
> if (!info)
> diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
> index 8edc2506d49e..5e186c135921 100644
> --- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
> +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
> @@ -113,7 +113,7 @@ static void encoder_control_dmcub(
> struct dc_dmub_srv *dmcub,
> struct dig_encoder_stream_setup_parameters_v1_5 *dig)
> {
> - struct dmub_rb_cmd_digx_encoder_control encoder_control = { 0 };
> + struct dmub_rb_cmd_digx_encoder_control encoder_control = { };
>
> encoder_control.header.type = DMUB_CMD__VBIOS;
> encoder_control.header.sub_type = DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL;
> @@ -339,7 +339,7 @@ static void set_pixel_clock_dmcub(
> struct dc_dmub_srv *dmcub,
> struct set_pixel_clock_parameter_v1_7 *clk)
> {
> - struct dmub_rb_cmd_set_pixel_clock pixel_clock = { 0 };
> + struct dmub_rb_cmd_set_pixel_clock pixel_clock = { };
>
> pixel_clock.header.type = DMUB_CMD__VBIOS;
> pixel_clock.header.sub_type = DMUB_CMD__VBIOS_SET_PIXEL_CLOCK;
> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> index 24c5765890fa..ee3ef5094fd1 100644
> --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
> @@ -698,7 +698,7 @@ void rn_clk_mgr_construct(
> struct dccg *dccg)
> {
> struct dc_debug_options *debug = &ctx->dc->debug;
> - struct dpm_clocks clock_table = { 0 };
> + struct dpm_clocks clock_table = { };
>
> clk_mgr->base.ctx = ctx;
> clk_mgr->base.funcs = &dcn21_funcs;
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> index 9ef9e50a34fa..7cbfe740a947 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> @@ -2683,9 +2683,9 @@ static void dp_test_send_link_test_pattern(struct dc_link *link)
>
> static void dp_test_get_audio_test_data(struct dc_link *link, bool disable_video)
> {
> - union audio_test_mode dpcd_test_mode = {0};
> - struct audio_test_pattern_type dpcd_pattern_type = {0};
> - union audio_test_pattern_period dpcd_pattern_period[AUDIO_CHANNELS_COUNT] = {0};
> + union audio_test_mode dpcd_test_mode = { };
> + struct audio_test_pattern_type dpcd_pattern_type = { };
> + union audio_test_pattern_period dpcd_pattern_period[AUDIO_CHANNELS_COUNT] = { };
> enum dp_test_pattern test_pattern = DP_TEST_PATTERN_AUDIO_OPERATOR_DEFINED;
>
> struct pipe_ctx *pipes = link->dc->current_state->res_ctx.pipe_ctx;
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> index 84d7ac5dd206..dfa541f0b0d3 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c
> @@ -1253,9 +1253,9 @@ void hubp2_validate_dml_output(struct hubp *hubp,
> struct _vcs_dpi_display_ttu_regs_st *dml_ttu_attr)
> {
> struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
> - struct _vcs_dpi_display_rq_regs_st rq_regs = {0};
> - struct _vcs_dpi_display_dlg_regs_st dlg_attr = {0};
> - struct _vcs_dpi_display_ttu_regs_st ttu_attr = {0};
> + struct _vcs_dpi_display_rq_regs_st rq_regs = { };
> + struct _vcs_dpi_display_dlg_regs_st dlg_attr = { };
> + struct _vcs_dpi_display_ttu_regs_st ttu_attr = { };
> DC_LOGGER_INIT(ctx->logger);
> DC_LOG_DEBUG("DML Validation | Running Validation");
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> index 63044ae06327..509b07c24758 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> @@ -449,7 +449,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv14_soc = {
> .use_urgent_burst_bw = 0
> };
>
> -struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv12_soc = { 0 };
> +struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv12_soc = { };
>
> #ifndef mmDP0_DP_DPHY_INTERNAL_CTRL
> #define mmDP0_DP_DPHY_INTERNAL_CTRL 0x210f
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> index d285ba622d61..654ea81b8ad6 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
> @@ -365,9 +365,9 @@ void hubp21_validate_dml_output(struct hubp *hubp,
> struct _vcs_dpi_display_ttu_regs_st *dml_ttu_attr)
> {
> struct dcn21_hubp *hubp21 = TO_DCN21_HUBP(hubp);
> - struct _vcs_dpi_display_rq_regs_st rq_regs = {0};
> - struct _vcs_dpi_display_dlg_regs_st dlg_attr = {0};
> - struct _vcs_dpi_display_ttu_regs_st ttu_attr = {0};
> + struct _vcs_dpi_display_rq_regs_st rq_regs = { };
> + struct _vcs_dpi_display_dlg_regs_st dlg_attr = { };
> + struct _vcs_dpi_display_ttu_regs_st ttu_attr = { };
> DC_LOGGER_INIT(ctx->logger);
> DC_LOG_DEBUG("DML Validation | Running Validation");
>
> @@ -778,7 +778,7 @@ void dmcub_PLAT_54186_wa(struct hubp *hubp, struct surface_flip_registers *flip_
> {
> struct dc_dmub_srv *dmcub = hubp->ctx->dmub_srv;
> struct dcn21_hubp *hubp21 = TO_DCN21_HUBP(hubp);
> - struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa = { 0 };
> + struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa = { };
>
> PLAT_54186_wa.header.type = DMUB_CMD__PLAT_54186_WA;
> PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS = flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS;
> --
> 2.26.0
>

--
Rodrigo Siqueira
https://siqueira.tech

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