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authorDave Airlie <airlied@redhat.com>2015-03-09 19:41:15 +1000
committerDave Airlie <airlied@redhat.com>2015-03-09 19:41:15 +1000
commit8dd0eb3566711d81bfbe2b4421b33f0dd723cec4 (patch)
treee5567779a5b874d895761d37774a43100c2e77a9 /drivers/gpu/drm/i915/intel_uncore.c
parentd136dfeec84bfe3e4238bacd23f21e161268deac (diff)
parentf89fe1ffe698a6bb7671ebf99f5bb918fda4cf35 (diff)
downloadblackbird-obmc-linux-8dd0eb3566711d81bfbe2b4421b33f0dd723cec4.tar.gz
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Merge tag 'drm-intel-next-2015-02-27' of git://anongit.freedesktop.org/drm-intel into drm-next
- Y tiling support for scanout from Tvrtko&Damien - Remove more UMS support - some small prep patches for OLR removal from John Harrison - first few patches for dynamic pagetable allocation from Ben Widawsky, rebased by tons of other people - DRRS support patches (Sonika&Vandana) - fbc patches from Paulo - make sure our vblank callbacks aren't called when the pipes are off - various patches all over * tag 'drm-intel-next-2015-02-27' of git://anongit.freedesktop.org/drm-intel: (61 commits) drm/i915: Update DRIVER_DATE to 20150227 drm/i915: Clarify obj->map_and_fenceable drm/i915/skl: Allow Y (and Yf) frame buffer creation drm/i915/skl: Update watermarks for Y tiling drm/i915/skl: Updated watermark programming drm/i915/skl: Adjust get_plane_config() to support Yb/Yf tiling drm/i915/skl: Teach pin_and_fence_fb_obj() about Y tiling constraints drm/i915/skl: Adjust intel_fb_align_height() for Yb/Yf tiling drm/i915/skl: Allow scanning out Y and Yf fbs drm/i915/skl: Add new displayable tiling formats drm/i915: Remove DRIVER_MODESET checks from modeset code drm/i915: Remove regfile code&data for UMS suspend/resume drm/i915: Remove DRIVER_MODESET checks from gem code drm/i915: Remove DRIVER_MODESET checks in the gpu reset code drm/i915: Remove DRIVER_MODESET checks from suspend/resume code drm/i915: Remove DRIVER_MODESET checks in load/unload/close code drm/i915: fix a printk format drm/i915: Add media rc6 residency file to sysfs drm/i915: Add missing description to parameter in alloc_pt_range drm/i915: Removed the read of RP_STATE_CAP from sysfs/debugfs functions ...
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 876e06360c36..8879f17770aa 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -211,6 +211,13 @@ static void fw_domains_put_with_fifo(struct drm_i915_private *dev_priv,
gen6_gt_check_fifodbg(dev_priv);
}
+static inline u32 fifo_free_entries(struct drm_i915_private *dev_priv)
+{
+ u32 count = __raw_i915_read32(dev_priv, GTFIFOCTL);
+
+ return count & GT_FIFO_FREE_ENTRIES_MASK;
+}
+
static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
{
int ret = 0;
@@ -218,16 +225,15 @@ static int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
/* On VLV, FIFO will be shared by both SW and HW.
* So, we need to read the FREE_ENTRIES everytime */
if (IS_VALLEYVIEW(dev_priv->dev))
- dev_priv->uncore.fifo_count =
- __raw_i915_read32(dev_priv, GTFIFOCTL) &
- GT_FIFO_FREE_ENTRIES_MASK;
+ dev_priv->uncore.fifo_count = fifo_free_entries(dev_priv);
if (dev_priv->uncore.fifo_count < GT_FIFO_NUM_RESERVED_ENTRIES) {
int loop = 500;
- u32 fifo = __raw_i915_read32(dev_priv, GTFIFOCTL) & GT_FIFO_FREE_ENTRIES_MASK;
+ u32 fifo = fifo_free_entries(dev_priv);
+
while (fifo <= GT_FIFO_NUM_RESERVED_ENTRIES && loop--) {
udelay(10);
- fifo = __raw_i915_read32(dev_priv, GTFIFOCTL) & GT_FIFO_FREE_ENTRIES_MASK;
+ fifo = fifo_free_entries(dev_priv);
}
if (WARN_ON(loop < 0 && fifo <= GT_FIFO_NUM_RESERVED_ENTRIES))
++ret;
@@ -315,8 +321,7 @@ void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore)
if (IS_GEN6(dev) || IS_GEN7(dev))
dev_priv->uncore.fifo_count =
- __raw_i915_read32(dev_priv, GTFIFOCTL) &
- GT_FIFO_FREE_ENTRIES_MASK;
+ fifo_free_entries(dev_priv);
}
if (!restore)
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