Hello Aurabindo Pillai,
Commit 70839da63605 ("drm/amd/display: Add new DCN401 sources") from
Apr 19, 2024 (linux-next), leads to the following Smatch static
checker warning:
drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn42/dcn42_resource.c:385
(null)()
warn: double initialized 'dsc_shift.DSCC_DEFAULT_MEM_LOW_POWER_STATE'
drivers/gpu/drm/amd/amdgpu/../display/dc/resource/dcn42/dcn42_resource.c
164 DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_MAX_QP14, mask_sh), \
165 DSC_SF(DSCC0_DSCC_PPS_CONFIG22, RANGE_BPG_OFFSET14, mask_sh), \
166 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0,
DSCC_DEFAULT_MEM_LOW_POWER_STATE, mask_sh), \
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
167 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_FORCE,
mask_sh), \
168 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_DIS,
mask_sh), \
169 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL0, DSCC_MEM_PWR_STATE,
mask_sh), \
170 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1,
DSCC_DEFAULT_MEM_LOW_POWER_STATE, mask_sh), \
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Only one of these is correct. Hopefully, the second one.
171 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_MEM_PWR_FORCE,
mask_sh), \
172 DSC_SF(DSCC0_DSCC_MEM_POWER_CONTROL1, DSCC_MEM_PWR_DIS,
mask_sh), \
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regards,
dan carpenter
