Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/pm: fix smu v13 soft clock frequency setting issue
v1:
resolve the issue where some freq frequencies cannot be set correctly
due to insufficient floating-point precision.
v2:
patch this convert on 'max' value only.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Yang Wang
and committed by
Alex Deucher
6194f60c
1bf8b464
+2
+1
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
+1
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h
···
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#define SMUQ10_TO_UINT(x) ((x) >> 10)
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#define SMUQ10_FRAC(x) ((x) & 0x3ff)
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#define SMUQ10_ROUND(x) ((SMUQ10_TO_UINT(x)) + ((SMUQ10_FRAC(x)) >= 0x200))
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+
#define SMU_V13_SOFT_FREQ_ROUND(x) ((x) + 1)
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extern const int pmfw_decoded_link_speed[5];
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extern const int pmfw_decoded_link_width[7];