rpms/kernel/F-13 drm-intel-945gm-stability-fixes.patch, NONE, 1.1 kernel.spec, 1.2106, 1.2107
Dave Airlie
airlied at fedoraproject.org
Wed Jul 21 00:59:18 UTC 2010
Author: airlied
Update of /cvs/pkgs/rpms/kernel/F-13
In directory cvs01.phx2.fedoraproject.org:/tmp/cvs-serv27400
Modified Files:
kernel.spec
Added Files:
drm-intel-945gm-stability-fixes.patch
Log Message:
* Wed Jul 21 2010 Dave Airlie <airlied at redhat.com> 2.6.34.1-23
- drm-intel-945gm-stability-fixes.patch: fix 945GM stability issues
drm-intel-945gm-stability-fixes.patch:
i915_gem.c | 10 +++++++++
i915_reg.h | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 74 insertions(+), 1 deletion(-)
--- NEW FILE drm-intel-945gm-stability-fixes.patch ---
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0d05c6f..b87f65d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4967,6 +4967,16 @@ i915_gem_load(struct drm_device *dev)
list_add(&dev_priv->mm.shrink_list, &shrink_list);
spin_unlock(&shrink_list_lock);
+ /* On GEN3 we really need to make sure the ARB C3 LP bit is set */
+ if (IS_GEN3(dev)) {
+ u32 tmp = I915_READ(MI_ARB_STATE);
+ if (!(tmp & MI_ARB_C3_LP_WRITE_ENABLE)) {
+ /* arb state is a masked write, so set bit + bit in mask */
+ tmp = MI_ARB_C3_LP_WRITE_ENABLE | (MI_ARB_C3_LP_WRITE_ENABLE << MI_ARB_MASK_SHIFT);
+ I915_WRITE(MI_ARB_STATE, tmp);
+ }
+ }
+
/* Old X drivers will take 0-2 for front, back, depth buffers */
if (!drm_core_check_feature(dev, DRIVER_MODESET))
dev_priv->fence_reg_start = 3;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 4cbc521..4543975 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -357,6 +357,70 @@
#define LM_BURST_LENGTH 0x00000700
#define LM_FIFO_WATERMARK 0x0000001F
#define MI_ARB_STATE 0x020e4 /* 915+ only */
+#define MI_ARB_MASK_SHIFT 16 /* shift for enable bits */
+
+/* Make render/texture TLB fetches lower priorty than associated data
+ * fetches. This is not turned on by default
+ */
+#define MI_ARB_RENDER_TLB_LOW_PRIORITY (1 << 15)
+
+/* Isoch request wait on GTT enable (Display A/B/C streams).
+ * Make isoch requests stall on the TLB update. May cause
+ * display underruns (test mode only)
+ */
+#define MI_ARB_ISOCH_WAIT_GTT (1 << 14)
+
+/* Block grant count for isoch requests when block count is
+ * set to a finite value.
+ */
+#define MI_ARB_BLOCK_GRANT_MASK (3 << 12)
+#define MI_ARB_BLOCK_GRANT_8 (0 << 12) /* for 3 display planes */
+#define MI_ARB_BLOCK_GRANT_4 (1 << 12) /* for 2 display planes */
+#define MI_ARB_BLOCK_GRANT_2 (2 << 12) /* for 1 display plane */
+#define MI_ARB_BLOCK_GRANT_0 (3 << 12) /* don't use */
+
+/* Enable render writes to complete in C2/C3/C4 power states.
+ * If this isn't enabled, render writes are prevented in low
+ * power states. That seems bad to me.
+ */
+#define MI_ARB_C3_LP_WRITE_ENABLE (1 << 11)
+
+/* This acknowledges an async flip immediately instead
+ * of waiting for 2TLB fetches.
+ */
+#define MI_ARB_ASYNC_FLIP_ACK_IMMEDIATE (1 << 10)
+
+/* Enables non-sequential data reads through arbiter
+ */
+#define MI_ARB_DUAL_DATA_PHASE_DISABLE (1 << 9)
+
+/* Disable FSB snooping of cacheable write cycles from binner/render
+ * command stream
+ */
+#define MI_ARB_CACHE_SNOOP_DISABLE (1 << 8)
+
+/* Arbiter time slice for non-isoch streams */
+#define MI_ARB_TIME_SLICE_MASK (7 << 5)
+#define MI_ARB_TIME_SLICE_1 (0 << 5)
+#define MI_ARB_TIME_SLICE_2 (1 << 5)
+#define MI_ARB_TIME_SLICE_4 (2 << 5)
+#define MI_ARB_TIME_SLICE_6 (3 << 5)
+#define MI_ARB_TIME_SLICE_8 (4 << 5)
+#define MI_ARB_TIME_SLICE_10 (5 << 5)
+#define MI_ARB_TIME_SLICE_14 (6 << 5)
+#define MI_ARB_TIME_SLICE_16 (7 << 5)
+
+/* Low priority grace period page size */
+#define MI_ARB_LOW_PRIORITY_GRACE_4KB (0 << 4) /* default */
+#define MI_ARB_LOW_PRIORITY_GRACE_8KB (1 << 4)
+
+/* Disable display A/B trickle feed */
+#define MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE (1 << 2)
+
+/* Set display plane priority */
+#define MI_ARB_DISPLAY_PRIORITY_A_B (0 << 0) /* display A > display B */
+#define MI_ARB_DISPLAY_PRIORITY_B_A (1 << 0) /* display B > display A */
+
#define CACHE_MODE_0 0x02120 /* 915+ only */
#define CM0_MASK_SHIFT 16
#define CM0_IZ_OPT_DISABLE (1<<6)
--
1.7.1
Index: kernel.spec
===================================================================
RCS file: /cvs/pkgs/rpms/kernel/F-13/kernel.spec,v
retrieving revision 1.2106
retrieving revision 1.2107
diff -u -p -r1.2106 -r1.2107
--- kernel.spec 20 Jul 2010 23:28:11 -0000 1.2106
+++ kernel.spec 21 Jul 2010 00:59:14 -0000 1.2107
@@ -707,6 +707,7 @@ Patch1825: drm-intel-make-lvds-work.patc
Patch1830: drm-i915-fix-hibernate-memory-corruption.patch
Patch1831: drm-i915-add-reclaimable-to-page-allocations.patch
Patch1835: drm-i915-make-G4X-style-PLL-search-more-permissive.patch
+Patch1836: drm-intel-945gm-stability-fixes.patch
Patch1900: linux-2.6-intel-iommu-igfx.patch
# linux1394 git patches
@@ -1342,6 +1343,7 @@ ApplyPatch drm-i915-fix-edp-panels.patch
ApplyPatch i915-fix-crt-hotplug-regression.patch
# RHBZ#572799
ApplyPatch drm-i915-make-G4X-style-PLL-search-more-permissive.patch
+ApplyPatch drm-intel-945gm-stability-fixes.patch
ApplyPatch drm-encoder-disable.patch
# Nouveau DRM + drm fixes
@@ -2052,7 +2054,10 @@ fi
%changelog
-* Wed Jul 21 2010 Dave Airlie <airlied at redhat.com> 2.6.31.1.22
+* Wed Jul 21 2010 Dave Airlie <airlied at redhat.com> 2.6.34.1-23
+- drm-intel-945gm-stability-fixes.patch: fix 945GM stability issues
+
+* Wed Jul 21 2010 Dave Airlie <airlied at redhat.com> 2.6.34.1-22
- double drop: its a revert on top of a revert.
* Tue Jul 20 2010 Dave Airlie <airlied at redhat.com> 2.6.34.1-21
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