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drm/i915/gt: Also check set bits in clr_set()

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When checking if the workarounds were applied successfully, the
read-back mask should also contain the bits being set: it's possible
that in a call to wa_write_clr_set(), the cleared bits are not a
superset of the set bits.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230630203509.1635216-8-lucas.demarchi@intel.com
This commit is contained in:
Lucas De Marchi 2023-06-30 13:35:09 -07:00
parent 03286f9480
commit e3affc7cd9
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/gt/intel_workarounds.c
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@ -241,13 +241,13 @@ static void wa_mcr_add(struct i915_wa_list *wal, i915_mcr_reg_t reg,
static void
wa_write_clr_set(struct i915_wa_list *wal, i915_reg_t reg, u32 clear, u32 set)
{
wa_add(wal, reg, clear, set, clear, false);
wa_add(wal, reg, clear, set, clear | set, false);
}
static void
wa_mcr_write_clr_set(struct i915_wa_list *wal, i915_mcr_reg_t reg, u32 clear, u32 set)
{
wa_mcr_add(wal, reg, clear, set, clear, false);
wa_mcr_add(wal, reg, clear, set, clear | set, false);
}
static void