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authorDave Airlie2015-10-30 00:45:33 +0100
committerDave Airlie2015-10-30 00:45:33 +0100
commit974e59ba0bc3bcc94d11fce9b34c10af32b5930f (patch)
tree51a970b2035018591ce0669aafc065ff20a80ee7 /drivers/gpu/drm/i915/i915_irq.c
parentMerge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into ... (diff)
parentdrm/i915: Use round to closest when computing the CEA 1.001 pixel clocks (diff)
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Merge tag 'drm-intel-next-fixes-2015-10-22' of git://anongit.freedesktop.org/drm-intel into drm-next
Bunch of -fixes for 4.4. Well not just, I've left the mmio/register work from Ville in here since it's low-risk but lots of churn all over. * tag 'drm-intel-next-fixes-2015-10-22' of git://anongit.freedesktop.org/drm-intel: (23 commits) drm/i915: Use round to closest when computing the CEA 1.001 pixel clocks drm/i915: Kill the leftover RMW from ivb_sprite_disable() drm/i915: restore ggtt double-bind avoidance drm/i915/skl: Enable pipe gamma for sprite planes. drm/i915/skl+: Enable pipe CSC on cursor planes. (v2) MAINTAINERS: add link to the Intel Graphics for Linux web site drm/i915: Move skl/bxt gt specific workarounds to ring init drm/i915: Drop i915_gem_obj_is_pinned() from set-cache-level drm/i915: revert a few more watermark commits drm/i915: Remove dev_priv argument from NEEDS_FORCE_WAKE drm/i915: Clean up LVDS register handling drm/i915: Throw out some useless variables drm/i915: Parametrize and fix SWF registers drm/i915: s/PIPE_FRMCOUNT_GM45/PIPE_FRMCOUNT_G4X/ etc. drm/i915: Turn GEN5_ASSERT_IIR_IS_ZERO() into a function drm/i915: Fix a few bad hex numbers in register defines drm/i915: Protect register macro arguments drm/i915: Include gpio_mmio_base in GMBUS reg defines drm/i915: Parametrize HSW video DIP data registers drm/i915: Eliminate weird parameter inversion from BXT PPS registers ...
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4fb8a2f56281..d68328fa175b 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -139,27 +139,30 @@ static const u32 hpd_bxt[HPD_NUM_PINS] = {
/*
* We should clear IMR at preinstall/uninstall, and just check at postinstall.
*/
-#define GEN5_ASSERT_IIR_IS_ZERO(reg) do { \
- u32 val = I915_READ(reg); \
- if (val) { \
- WARN(1, "Interrupt register 0x%x is not zero: 0x%08x\n", \
- (reg), val); \
- I915_WRITE((reg), 0xffffffff); \
- POSTING_READ(reg); \
- I915_WRITE((reg), 0xffffffff); \
- POSTING_READ(reg); \
- } \
-} while (0)
+static void gen5_assert_iir_is_zero(struct drm_i915_private *dev_priv, u32 reg)
+{
+ u32 val = I915_READ(reg);
+
+ if (val == 0)
+ return;
+
+ WARN(1, "Interrupt register 0x%x is not zero: 0x%08x\n",
+ reg, val);
+ I915_WRITE(reg, 0xffffffff);
+ POSTING_READ(reg);
+ I915_WRITE(reg, 0xffffffff);
+ POSTING_READ(reg);
+}
#define GEN8_IRQ_INIT_NDX(type, which, imr_val, ier_val) do { \
- GEN5_ASSERT_IIR_IS_ZERO(GEN8_##type##_IIR(which)); \
+ gen5_assert_iir_is_zero(dev_priv, GEN8_##type##_IIR(which)); \
I915_WRITE(GEN8_##type##_IER(which), (ier_val)); \
I915_WRITE(GEN8_##type##_IMR(which), (imr_val)); \
POSTING_READ(GEN8_##type##_IMR(which)); \
} while (0)
#define GEN5_IRQ_INIT(type, imr_val, ier_val) do { \
- GEN5_ASSERT_IIR_IS_ZERO(type##IIR); \
+ gen5_assert_iir_is_zero(dev_priv, type##IIR); \
I915_WRITE(type##IER, (ier_val)); \
I915_WRITE(type##IMR, (imr_val)); \
POSTING_READ(type##IMR); \
@@ -707,12 +710,11 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
return (((high1 << 8) | low) + (pixel >= vbl_start)) & 0xffffff;
}
-static u32 gm45_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
+static u32 g4x_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int reg = PIPE_FRMCOUNT_GM45(pipe);
- return I915_READ(reg);
+ return I915_READ(PIPE_FRMCOUNT_G4X(pipe));
}
/* raw reads, only for fast reads of display block, no need for forcewake etc. */
@@ -3365,7 +3367,7 @@ static void ibx_irq_postinstall(struct drm_device *dev)
else
mask = SDE_GMBUS_CPT | SDE_AUX_MASK_CPT;
- GEN5_ASSERT_IIR_IS_ZERO(SDEIIR);
+ gen5_assert_iir_is_zero(dev_priv, SDEIIR);
I915_WRITE(SDEIMR, ~mask);
}
@@ -4397,7 +4399,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
dev->driver->get_vblank_counter = i8xx_get_vblank_counter;
} else if (IS_G4X(dev_priv) || INTEL_INFO(dev_priv)->gen >= 5) {
dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
- dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+ dev->driver->get_vblank_counter = g4x_get_vblank_counter;
} else {
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */