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drm/amd/display: Remove redundant assignments

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[WHAT & HOW]
log2_blk_height and log2_blk_width are assigned to 0 and then
immediately are updated to other values. The assignments to zero are
redudant and removed.

This fixes 18 UNUSED_VALUE issues reported by Coverity.

Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Hung 2024-09-23 17:48:47 -06:00 committed by Alex Deucher
parent b9c8ad7348
commit bcb4a5c6a3
6 changed files with 0 additions and 24 deletions
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4
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
View File

@ -443,8 +443,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
blk_bytes = surf_linear ?
256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double) blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -491,8 +489,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
- log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width

4
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
View File

@ -443,8 +443,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
blk_bytes = surf_linear ?
256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double) blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -491,8 +489,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
- log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width

4
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
View File

@ -435,8 +435,6 @@ static void get_meta_and_pte_attr(
blk_bytes = surf_linear ?
256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double) blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -485,8 +483,6 @@ static void get_meta_and_pte_attr(
- log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width

4
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
View File

@ -392,8 +392,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
blk_bytes = surf_linear ?
256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double)blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -464,8 +462,6 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
- log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width

4
drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c
View File

@ -413,8 +413,6 @@ static void get_meta_and_pte_attr(
log2_blk256_height = dml_log2((double) blk256_height);
blk_bytes = surf_linear ? 256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double) blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -481,8 +479,6 @@ static void get_meta_and_pte_attr(
log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element - log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width

4
drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
View File

@ -501,8 +501,6 @@ static void get_meta_and_pte_attr(
log2_blk256_height = dml_log2((double) blk256_height);
blk_bytes = surf_linear ? 256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size);
log2_blk_bytes = dml_log2((double) blk_bytes);
log2_blk_height = 0;
log2_blk_width = 0;
// remember log rule
// "+" in log is multiply
@ -569,8 +567,6 @@ static void get_meta_and_pte_attr(
log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element - log2_meta_req_height;
meta_req_width = 1 << log2_meta_req_width;
meta_req_height = 1 << log2_meta_req_height;
log2_meta_row_height = 0;
meta_row_width_ub = 0;
// the dimensions of a meta row are meta_row_width x meta_row_height in elements.
// calculate upper bound of the meta_row_width