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drm/amd/display: Fix Signed/Unsigned Int Usage Compiler Warning

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[Why] Compiler generates compiler warnings when signed enum
constants or literal -1 are implicitly converted to unsigned
integer types, cluttering build output and masking genuine issues.

[How] Use UINT_MAX as the invalid sentinel for unsigned IDs and align
loop/index types to unsigned where appropriate to remove implicit
signed-to-unsigned conversions, with no functional behavior change.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Gaghik Khachatrian <gaghik.khachatrian@amd.com>
Signed-off-by: Chuanyu Tseng <chuanyu.tseng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gaghik Khachatrian 2026-03-12 10:21:43 -04:00 committed by Alex Deucher
parent 64fd3f93a8
commit 370b132a3e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dml2_0/dml2_dc_resource_mgmt.c
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@ -143,7 +143,7 @@ static unsigned int find_pipes_assigned_to_plane(struct dml2_context *ctx,
{
int i;
unsigned int num_found = 0;
unsigned int plane_id_assigned_to_pipe = -1;
unsigned int plane_id_assigned_to_pipe = UINT_MAX;
for (i = 0; i < ctx->config.dcn_pipe_count; i++) {
struct pipe_ctx *pipe = &state->res_ctx.pipe_ctx[i];