diff options
| author | Anshuman Gupta <[email protected]> | 2022-06-07 16:15:42 +0530 |
|---|---|---|
| committer | Matt Roper <[email protected]> | 2022-06-07 13:54:24 -0700 |
| commit | c6e3806705d679edf135dff5d540a278fc406f15 (patch) | |
| tree | 59a3a24459c6be89e6770330aee6600ee7ecd731 | |
| parent | 34b68c17e9895ba66fc809224b0122a2eed7aa40 (diff) | |
drm/i915/dg2: Add Wa_14015795083
i915 must disable Render DOP clock gating globally.
v2:
- Addressed cosmetic review comments.
Bspec: 52621
Cc: Matt Roper <[email protected]>
Cc: Badal Nilawar <[email protected]>
Signed-off-by: Anshuman Gupta <[email protected]>
Reviewed-by: Matt Roper <[email protected]>
Signed-off-by: Matt Roper <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index 6aa1ceaa8d27..c8129a351731 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -631,6 +631,7 @@ #define GEN7_MISCCPCTL _MMIO(0x9424) #define GEN7_DOP_CLOCK_GATE_ENABLE (1 << 0) +#define GEN12_DOP_CLOCK_GATE_RENDER_ENABLE REG_BIT(1) #define GEN8_DOP_CLOCK_GATE_CFCLK_ENABLE (1 << 2) #define GEN8_DOP_CLOCK_GATE_GUC_ENABLE (1 << 4) #define GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE (1 << 6) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 6e875d4f5f65..1e7ca3863f20 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1486,6 +1486,9 @@ dg2_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) * performance guide section. */ wa_write_or(wal, GEN12_SQCM, EN_32B_ACCESS); + + /* Wa_14015795083 */ + wa_write_clr(wal, GEN7_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE); } static void |