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| author | Damien Lespiau <damien.lespiau@intel.com> | 2015-05-06 14:36:27 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-08 13:03:44 +0200 |
| commit | f1d3d34d1740e13f01411d85f53945596488d4c1 (patch) | |
| tree | d87cf731b9e48fe4e094b9281d5d58f7a3d47a3e /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 22e02c0b4bc87c94895b1f4cb25ee705d5687cb1 (diff) | |
| download | lwn-f1d3d34d1740e13f01411d85f53945596488d4c1.tar.gz lwn-f1d3d34d1740e13f01411d85f53945596488d4c1.zip | |
drm/i915/skl: Fix WaDisableChickenBitTSGBarrierAckForFFSliceCS
Robert noticed that the FF_SLICE_CS_CHICKEN2 offset was wrong. Ooops.
Ville noticed that the write was wrong since FF_SLICE_CS_CHICKEN2 is a
masked register. Re-oops.
A wonder if went through 2 people while having roughly a bug per line...
The problem was introduced in the original patch:
commit 2caa3b260aa6a3d015352c07d1bce1461825fa6c
Author: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon Feb 9 19:33:20 2015 +0000
drm/i915/skl: Implement WaDisableChickenBitTSGBarrierAckForFFSliceCS
v2: Also fix the register write (Ville)
Reported-by: Robert Beckett <robert.beckett@intel.com>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Robert Beckett <robert.beckett@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 558d3dd5a039..60ef5406fe57 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5718,7 +5718,7 @@ enum skl_disp_power_wells { #define HSW_NDE_RSTWRN_OPT 0x46408 #define RESET_PCH_HANDSHAKE_ENABLE (1<<4) -#define FF_SLICE_CS_CHICKEN2 0x02e4 +#define FF_SLICE_CS_CHICKEN2 0x20e4 #define GEN9_TSG_BARRIER_ACK_DISABLE (1<<8) /* GEN7 chicken */ |