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drm/amdkfd: Clean up debug runlist printing

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Having single lines with random hex codes really doesn't help a user to
know what's going on. Give it a title, and print 8 8-length hex values
per line, instead of a single 2-length hex value per printed line.

Previous output:

...
amdgpu: 0x20000010
amdgpu: 0x3000
amdgpu: 0x12E6E00
amdgpu: 0xFF
amdgpu: 0x207008
amdgpu: 0x 0
amdgpu:

New output:

amdgpu: Runlist dump:
amdgpu:    0: 0xc00ea100 0x14008008 0x0f4fffc0 0x00000000 0x20002000 0x00000338 0x00000020 0x00080017
amdgpu:    8: 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000 0x03400000 0x00000000 0x00000000
amdgpu:   16: 0xc005a200 0x20000010 0x00003030 0x012ed000 0x000000ff 0x00252008 0x00000000 0xc005a200
amdgpu:   24: 0x20000010 0x0000302c 0x012ec800 0x000000ff 0x0024c008 0x00000000 0xc005a200 0x20000010
amdgpu:   32: 0x00003028 0x012ec000 0x000000ff 0x00246008 0x00000000 0xc005a200 0x20000010 0x00003024
amdgpu:   40: 0x012eb800 0x000000ff 0x00240008 0x00000000 0xc005a200 0x20000010 0x00003020 0x012eb000
amdgpu:   48: 0x000000ff 0x0023a008 0x00000000 0xc005a200 0x20000010 0x0000301c 0x012ea800 0x000000ff
amdgpu:   56: 0x00234008 0x00000000 0xc005a200 0x20000010 0x00003018 0x012ea000 0x000000ff 0x0022e008
amdgpu:   64: 0x00000000 0xc005a200 0x20000010 0x00003014 0x012e9800 0x000000ff 0x00228008 0x00000000
amdgpu:   72: 0xc005a200 0x20000010 0x00003010 0x012e9000 0x000000ff 0x00222008 0x00000000 0xc005a200
amdgpu:   80: 0x20000010 0x0000300c 0x012e8800 0x000000ff 0x0021c008 0x00000000 0xc005a200 0x20000010
amdgpu:   88: 0x00003008 0x012e8000 0x000000ff 0x00216008 0x00000000 0xc005a200 0x20000010 0x00003004
amdgpu:   96: 0x012e7800 0x000000ff 0x00210008 0x00000000 0xc005a200 0x20000010 0x00003000 0x012e6e00
amdgpu:  104: 0x000000ff 0x00207008 0x00000000

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kent Russell
2026-07-06 12:28:07 -04:00
committed by Alex Deucher
parent 60bbdfb959
commit c53d678cad
1 changed files with 13 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
View File

@@ -269,9 +269,19 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
}
pm->is_over_subscription = !!is_over_subscription;
for (i = 0; i < alloc_size_bytes / sizeof(uint32_t); i++)
pr_debug("0x%2X ", rl_buffer[i]);
pr_debug("\n");
pr_debug("Runlist dump:");
for (i = 0; i < alloc_size_bytes / sizeof(uint32_t); i += 8) {
char buf[128];
int j, len = 0;
/* Dump 8 entries per line with an index for each line */
len += scnprintf(buf + len, sizeof(buf) - len, "%4u:", i);
for (j = 0; j < 8 && (i + j) < alloc_size_bytes / sizeof(uint32_t); j++)
len += scnprintf(buf + len, sizeof(buf) - len, " 0x%08x", rl_buffer[i + j]);
pr_debug("%s\n", buf);
}
return retval;
}