diff options
author | Alex Hung <alex.hung@amd.com> | 2024-04-16 07:16:08 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-27 00:22:44 +0300 |
commit | f851b078b1ed33758662f9bbe8f332c0c45a107a (patch) | |
tree | 59d48e4ee1d85f1da5b126474754896e2de0f3d3 /drivers/gpu | |
parent | ba3193fa8fc8910f724b67a523ec67ee24997d3e (diff) | |
download | linux-f851b078b1ed33758662f9bbe8f332c0c45a107a.tar.xz |
drm/amd/display: Fix uninitialized variables in DC
This fixes 29 UNINIT issues reported by Coverity.
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
14 files changed, 19 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c index 86f9198e7501..2bcae0643e61 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c @@ -399,7 +399,7 @@ static enum bp_result transmitter_control_v1_6( static void init_transmitter_control(struct bios_parser *bp) { uint8_t frev; - uint8_t crev; + uint8_t crev = 0; if (BIOS_CMD_TABLE_REVISION(UNIPHYTransmitterControl, frev, crev) == false) 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 cbae1be7b009..cc000833d300 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c @@ -225,7 +225,7 @@ static enum bp_result transmitter_control_fallback( static void init_transmitter_control(struct bios_parser *bp) { uint8_t frev; - uint8_t crev; + uint8_t crev = 0; BIOS_CMD_TABLE_REVISION(dig1transmittercontrol, frev, crev); diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c index 25d46c69464f..74da9ebda016 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c @@ -2372,7 +2372,7 @@ validate_out: static struct _vcs_dpi_voltage_scaling_st construct_low_pstate_lvl(struct clk_limit_table *clk_table, unsigned int high_voltage_lvl) { - struct _vcs_dpi_voltage_scaling_st low_pstate_lvl; + struct _vcs_dpi_voltage_scaling_st low_pstate_lvl = {0}; int i; low_pstate_lvl.state = 1; @@ -2477,7 +2477,7 @@ void dcn201_populate_dml_writeback_from_context_fpu(struct dc *dc, int pipe_cnt, i, j; double max_calc_writeback_dispclk; double writeback_dispclk; - struct writeback_st dout_wb; + struct writeback_st dout_wb = {0}; dc_assert_fp_enabled(); diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c index ccb4ad78f667..81f7b90849ce 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/dcn30_fpu.c @@ -260,7 +260,7 @@ void dcn30_fpu_populate_dml_writeback_from_context( int pipe_cnt, i, j; double max_calc_writeback_dispclk; double writeback_dispclk; - struct writeback_st dout_wb; + struct writeback_st dout_wb = {0}; dc_assert_fp_enabled(); diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index 5be976fa44f9..f6fe0a64beac 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -723,7 +723,7 @@ static bool dcn32_enough_pipes_for_subvp(struct dc *dc, struct dc_state *context */ static bool subvp_subvp_schedulable(struct dc *dc, struct dc_state *context) { - struct pipe_ctx *subvp_pipes[2]; + struct pipe_ctx *subvp_pipes[2] = {0}; struct dc_stream_state *phantom = NULL; uint32_t microschedule_lines = 0; uint32_t index = 0; diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c index 76399c66bc3b..ba1310c8fd77 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c @@ -1973,8 +1973,8 @@ void dml32_CalculateVMRowAndSwath( unsigned int PTEBufferSizeInRequestsForChroma[DC__NUM_DPP__MAX]; unsigned int PDEAndMetaPTEBytesFrameY; unsigned int PDEAndMetaPTEBytesFrameC; - unsigned int MetaRowByteY[DC__NUM_DPP__MAX]; - unsigned int MetaRowByteC[DC__NUM_DPP__MAX]; + unsigned int MetaRowByteY[DC__NUM_DPP__MAX] = {0}; + unsigned int MetaRowByteC[DC__NUM_DPP__MAX] = {0}; unsigned int PixelPTEBytesPerRowY[DC__NUM_DPP__MAX]; unsigned int PixelPTEBytesPerRowC[DC__NUM_DPP__MAX]; unsigned int PixelPTEBytesPerRowY_one_row_per_frame[DC__NUM_DPP__MAX]; diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index f43a31cd2c8f..a41812598ce8 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -250,8 +250,8 @@ void dml2_init_soc_states(struct dml2_context *dml2, const struct dc *in_dc, { struct dml2_policy_build_synthetic_soc_states_scratch *s = &dml2->v20.scratch.create_scratch.build_synthetic_socbb_scratch; struct dml2_policy_build_synthetic_soc_states_params *p = &dml2->v20.scratch.build_synthetic_socbb_params; - unsigned int dcfclk_stas_mhz[NUM_DCFCLK_STAS]; - unsigned int dcfclk_stas_mhz_new[NUM_DCFCLK_STAS_NEW]; + unsigned int dcfclk_stas_mhz[NUM_DCFCLK_STAS] = {0}; + unsigned int dcfclk_stas_mhz_new[NUM_DCFCLK_STAS_NEW] = {0}; unsigned int dml_project = dml2->v20.dml_core_ctx.project; unsigned int i = 0; diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index 961fc57e5183..7d833fa6dd77 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -403,7 +403,7 @@ void dcn20_init_blank( struct output_pixel_processor *opp = NULL; struct output_pixel_processor *bottom_opp = NULL; uint32_t num_opps, opp_id_src0, opp_id_src1; - uint32_t otg_active_width, otg_active_height; + uint32_t otg_active_width = 0, otg_active_height = 0; /* program opp dpg blank color */ color_space = COLOR_SPACE_SRGB; diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c index 093f4387553c..0d8a05cf8b1a 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c @@ -82,7 +82,7 @@ static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) if (enable) { struct dsc_config dsc_cfg; - struct dsc_optc_config dsc_optc_cfg; + struct dsc_optc_config dsc_optc_cfg = {0}; enum optc_dsc_mode optc_dsc_mode; /* Enable DSC hw block */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c index 9f1a86ddadb5..b8e884368dc6 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c @@ -989,7 +989,7 @@ static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) if (enable) { struct dsc_config dsc_cfg; - struct dsc_optc_config dsc_optc_cfg; + struct dsc_optc_config dsc_optc_cfg = {0}; enum optc_dsc_mode optc_dsc_mode; /* Enable DSC hw block */ @@ -1542,7 +1542,7 @@ void dcn32_init_blank( struct output_pixel_processor *opp = NULL; struct output_pixel_processor *bottom_opp = NULL; uint32_t num_opps, opp_id_src0, opp_id_src1; - uint32_t otg_active_width, otg_active_height; + uint32_t otg_active_width = 0, otg_active_height = 0; uint32_t i; /* program opp dpg blank color */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index b94a85380d73..d4989d15e2f1 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -373,7 +373,7 @@ static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) if (enable) { struct dsc_config dsc_cfg; - struct dsc_optc_config dsc_optc_cfg; + struct dsc_optc_config dsc_optc_cfg = {0}; enum optc_dsc_mode optc_dsc_mode; /* Enable DSC hw block */ diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index b8c4a04dd175..0d523dc43d02 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -516,8 +516,8 @@ static void query_hdcp_capability(enum signal_type signal, struct dc_link *link) static void read_current_link_settings_on_detect(struct dc_link *link) { union lane_count_set lane_count_set = {0}; - uint8_t link_bw_set; - uint8_t link_rate_set; + uint8_t link_bw_set = 0; + uint8_t link_rate_set = 0; uint32_t read_dpcd_retry_cnt = 10; enum dc_status status = DC_ERROR_UNEXPECTED; int i; diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c index 9de5380757e0..1818970b8eaf 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c @@ -1071,7 +1071,7 @@ enum dc_status dpcd_set_link_settings( * MUX chip gets link rate set back before link training. */ if (link->connector_signal == SIGNAL_TYPE_EDP) { - uint8_t supported_link_rates[16]; + uint8_t supported_link_rates[16] = {0}; core_link_read_dpcd(link, DP_SUPPORTED_LINK_RATES, supported_link_rates, sizeof(supported_link_rates)); diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c index 25cd6236b054..8bc1bcaeaa47 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn303/dcn303_resource.c @@ -1143,7 +1143,7 @@ static bool dcn303_resource_construct( int i; struct dc_context *ctx = dc->ctx; struct irq_service_init_data init_data; - struct ddc_service_init_data ddc_init_data; + struct ddc_service_init_data ddc_init_data = {0}; ctx->dc_bios->regs = &bios_regs; |