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authorChris Wilson <chris@chris-wilson.co.uk>2020-06-11 09:01:39 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2020-06-11 16:11:39 +0100
commit806a45c0838d253e306a6384057e851b65d11099 (patch)
tree9425890c4ac0bbbcc371ae2d9b5a02bb0fcaee41 /drivers
parentc3b93a943f2c9ee4a106db100a2fc3b2f126bfc5 (diff)
drm/i915/gt: Move ilk GT workarounds from init_clock_gating to workarounds
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-5-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c14
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c10
2 files changed, 14 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 239ce935653b..2a27f2550e15 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -715,6 +715,18 @@ int intel_engine_emit_ctx_wa(struct i915_request *rq)
}
static void
+ilk_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
+{
+ wa_masked_en(wal, _3D_CHICKEN2, _3D_CHICKEN2_WM_READ_PIPELINED);
+
+ /* WaDisableRenderCachePipelinedFlush:ilk */
+ wa_masked_en(wal, CACHE_MODE_0, CM0_PIPELINED_RENDER_FLUSH_DISABLE);
+
+ /* WaDisable_RenderCache_OperationalFlush:ilk */
+ wa_masked_dis(wal, CACHE_MODE_0, RC_OP_FLUSH_ENABLE);
+}
+
+static void
snb_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
{
/* WaDisableHiZPlanesWhenMSAAEnabled:snb */
@@ -1195,6 +1207,8 @@ gt_init_workarounds(struct drm_i915_private *i915, struct i915_wa_list *wal)
ivb_gt_workarounds_init(i915, wal);
else if (IS_GEN(i915, 6))
snb_gt_workarounds_init(i915, wal);
+ else if (IS_GEN(i915, 5))
+ ilk_gt_workarounds_init(i915, wal);
else if (INTEL_GEN(i915) <= 8)
return;
else
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index b4bea6451418..7d82a7144a13 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6921,16 +6921,6 @@ static void ilk_init_clock_gating(struct drm_i915_private *dev_priv)
I915_WRITE(ILK_DISPLAY_CHICKEN2,
I915_READ(ILK_DISPLAY_CHICKEN2) |
ILK_ELPIN_409_SELECT);
- I915_WRITE(_3D_CHICKEN2,
- _3D_CHICKEN2_WM_READ_PIPELINED << 16 |
- _3D_CHICKEN2_WM_READ_PIPELINED);
-
- /* WaDisableRenderCachePipelinedFlush:ilk */
- I915_WRITE(CACHE_MODE_0,
- _MASKED_BIT_ENABLE(CM0_PIPELINED_RENDER_FLUSH_DISABLE));
-
- /* WaDisable_RenderCache_OperationalFlush:ilk */
- I915_WRITE(CACHE_MODE_0, _MASKED_BIT_DISABLE(RC_OP_FLUSH_ENABLE));
g4x_disable_trickle_feed(dev_priv);