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drm/xe: Label RING_CONTEXT_CONTROL as masked

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[ Upstream commit f76646c83f ]

RING_CONTEXT_CONTROL is a masked register.

v2: Also clean up setting register value (Lucas)

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404161256.3852502-1-ashutosh.dixit@intel.com
(cherry picked from commit dc30c6e714)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ashutosh Dixit 2024-04-04 09:12:56 -07:00 committed by Greg Kroah-Hartman
parent e23a904dfe
commit 2cf6dab877
2 changed files with 3 additions and 4 deletions
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2
drivers/gpu/drm/xe/regs/xe_engine_regs.h
View File

@ -120,7 +120,7 @@
#define RING_EXECLIST_STATUS_LO(base) XE_REG((base) + 0x234)
#define RING_EXECLIST_STATUS_HI(base) XE_REG((base) + 0x234 + 4)
#define RING_CONTEXT_CONTROL(base) XE_REG((base) + 0x244)
#define RING_CONTEXT_CONTROL(base) XE_REG((base) + 0x244, XE_REG_OPTION_MASKED)
#define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH REG_BIT(3)
#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT REG_BIT(0)

5
drivers/gpu/drm/xe/xe_lrc.c
View File

@ -523,9 +523,8 @@ static const u8 *reg_offsets(struct xe_device *xe, enum xe_engine_class class)
static void set_context_control(u32 *regs, struct xe_hw_engine *hwe)
{
regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH) |
_MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) |
CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT;
regs[CTX_CONTEXT_CONTROL] = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
/* TODO: Timestamp */
}