The double parentheses are not needed. Removing them fixes multiple warnings like this when building with clang:
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:617:42: error: equality comparison with extraneous parentheses [-Werror,-Wparentheses-equality] if ((data->graphics_micro_tile_mode == bw_def_rotated_micro_tiling)) { Signed-off-by: Matthias Kaehlcke <m...@chromium.org> --- drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c index 2e11fac2a63d..bb03a9c64d5a 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c @@ -623,7 +623,7 @@ static void calculate_bandwidth( } else { /*graphics portrait tiling mode*/ - if ((data->graphics_micro_tile_mode == bw_def_rotated_micro_tiling)) { + if (data->graphics_micro_tile_mode == bw_def_rotated_micro_tiling) { data->orthogonal_rotation[i] = 0; } else { @@ -634,7 +634,7 @@ static void calculate_bandwidth( else { if ((i < 4)) { /*underlay landscape tiling mode is only supported*/ - if ((data->underlay_micro_tile_mode == bw_def_display_micro_tiling)) { + if (data->underlay_micro_tile_mode == bw_def_display_micro_tiling) { data->orthogonal_rotation[i] = 0; } else { @@ -643,7 +643,7 @@ static void calculate_bandwidth( } else { /*graphics landscape tiling mode*/ - if ((data->graphics_micro_tile_mode == bw_def_display_micro_tiling)) { + if (data->graphics_micro_tile_mode == bw_def_display_micro_tiling) { data->orthogonal_rotation[i] = 0; } else { @@ -947,14 +947,14 @@ static void calculate_bandwidth( } for (i = 0; i <= maximum_number_of_surfaces - 1; i++) { if (data->enable[i]) { - if ((data->number_of_displays == 1 && data->number_of_underlay_surfaces == 0)) { + if (data->number_of_displays == 1 && data->number_of_underlay_surfaces == 0) { /*set maximum chunk limit if only one graphic pipe is enabled*/ data->outstanding_chunk_request_limit[i] = bw_int_to_fixed(127); } else { data->outstanding_chunk_request_limit[i] = bw_ceil2(bw_div(data->adjusted_data_buffer_size[i], data->pipe_chunk_size_in_bytes[i]), bw_int_to_fixed(1)); /*clamp maximum chunk limit in the graphic display pipe*/ - if ((i >= 4)) { + if (i >= 4) { data->outstanding_chunk_request_limit[i] = bw_max2(bw_int_to_fixed(127), data->outstanding_chunk_request_limit[i]); } } @@ -1337,7 +1337,7 @@ static void calculate_bandwidth( /*if stutter and dram clock state change are gated before cursor then the cursor latency hiding does not limit stutter or dram clock state change*/ for (i = 0; i <= maximum_number_of_surfaces - 1; i++) { if (data->enable[i]) { - if ((dceip->graphics_lb_nodownscaling_multi_line_prefetching == 1)) { + if (dceip->graphics_lb_nodownscaling_multi_line_prefetching == 1) { data->maximum_latency_hiding[i] = bw_add(data->minimum_latency_hiding[i], bw_mul(bw_frc_to_fixed(8, 10), data->total_dmifmc_urgent_latency)); } else { @@ -1396,7 +1396,7 @@ static void calculate_bandwidth( } /*determine the number of displays with margin to switch in the v_active region*/ for (k = 0; k <= maximum_number_of_surfaces - 1; k++) { - if ((data->enable[k] == 1 && data->display_pstate_change_enable[k] == 1)) { + if (data->enable[k] == 1 && data->display_pstate_change_enable[k] == 1) { number_of_displays_enabled_with_margin = number_of_displays_enabled_with_margin + 1; } } @@ -1442,7 +1442,7 @@ static void calculate_bandwidth( data->nbp_state_change_enable = bw_def_no; } /*dram clock change is possible only in vblank if all displays are aligned and have no margin*/ - if ((number_of_aligned_displays_with_no_margin == number_of_displays_enabled)) { + if (number_of_aligned_displays_with_no_margin == number_of_displays_enabled) { nbp_state_change_enable_blank = bw_def_yes; } else { @@ -1470,7 +1470,7 @@ static void calculate_bandwidth( } } /*compute minimum time to read one chunk from the dmif buffer*/ - if ((number_of_displays_enabled > 2)) { + if (number_of_displays_enabled > 2) { data->chunk_request_delay = 0; } else { @@ -1804,7 +1804,7 @@ static void calculate_bandwidth( data->stutter_exit_watermark[i] = bw_add(bw_sub(vbios->stutter_self_refresh_exit_latency, data->total_dmifmc_urgent_latency), data->urgent_watermark[i]); data->stutter_entry_watermark[i] = bw_add(bw_sub(bw_add(vbios->stutter_self_refresh_exit_latency, vbios->stutter_self_refresh_entry_latency), data->total_dmifmc_urgent_latency), data->urgent_watermark[i]); /*unconditionally remove black out time from the nb p_state watermark*/ - if ((data->display_pstate_change_enable[i] == 1)) { + if (data->display_pstate_change_enable[i] == 1) { data->nbp_state_change_watermark[i] = bw_add(bw_add(vbios->nbp_state_change_latency, data->dmif_burst_time[data->y_clk_level][data->sclk_level]), bw_max2(data->line_source_pixels_transfer_time, data->dram_speed_change_line_source_transfer_time[i][data->y_clk_level][data->sclk_level])); } else { @@ -1816,7 +1816,7 @@ static void calculate_bandwidth( data->urgent_watermark[i] = bw_add(bw_add(bw_add(bw_add(bw_add(vbios->mcifwrmc_urgent_latency, data->mcifwr_burst_time[data->y_clk_level][data->sclk_level]), bw_max2(data->line_source_pixels_transfer_time, data->line_source_transfer_time[i][data->y_clk_level][data->sclk_level])), vbios->blackout_duration), data->chunk_request_time), data->cursor_request_time); data->stutter_exit_watermark[i] = bw_int_to_fixed(0); data->stutter_entry_watermark[i] = bw_int_to_fixed(0); - if ((data->display_pstate_change_enable[i] == 1)) { + if (data->display_pstate_change_enable[i] == 1) { data->nbp_state_change_watermark[i] = bw_add(bw_add(vbios->nbp_state_change_latency, data->mcifwr_burst_time[data->y_clk_level][data->sclk_level]), bw_max2(data->line_source_pixels_transfer_time, data->dram_speed_change_line_source_transfer_time[i][data->y_clk_level][data->sclk_level])); } else { -- 2.16.0.rc1.238.g530d649a79-goog _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel