Re: [Intel-gfx] [PATCH v3 26/49] drm/i915/bxt: Add BXT support in gen8_irq functions
On Mon, 13 Apr 2015, Imre Deak imre.d...@intel.com wrote:
From: Shashank Sharma shashank.sha...@intel.com
This patch adds conditional checks in gen8_irq functions
to support BXT. Most of the checks just look for PCH split
availability, and block the call to PCH interrupt functions if
not available.
v2: (jani)
- drop redundant TODO comment about PCH IRQ flags on BXT
- check HAS_PCH_SPLIT instead of IS_BROXTON when handling PCH specific
IRQ events in gen8_irq_handler()
- check HAS_PCH_SPLIT before calling the function instead of a
corresponding early return within the called function for
ibx_irq_reset(), ibx_irq_pre_postinstall(), ibx_irq_postinstall()
v3: (jani)
- in ironlake_irq_postinstall() and ironlake_irq_reset() HAS_PCH_SPLIT
is always true, so drop the check for it
Reviewed-by: Satheeshakrishna Msatheeshakrishn...@intel.com
Signed-off-by: Damien Lespiau damien.lesp...@intel.com
Signed-off-by: Shashank Sharma ppashank.sha...@intel.com (v1)
Signed-off-by: Imre Deak imre.d...@intel.com
Reviewed-by: Jani Nikula jani.nik...@intel.com
---
drivers/gpu/drm/i915/i915_irq.c | 12
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b06364f..b0cd7a9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2297,7 +2297,8 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
DRM_ERROR(The master control interrupt lied (DE
PIPE)!\n);
}
- if (!HAS_PCH_NOP(dev) master_ctl GEN8_DE_PCH_IRQ) {
+ if (HAS_PCH_SPLIT(dev) !HAS_PCH_NOP(dev)
+ master_ctl GEN8_DE_PCH_IRQ) {
/*
* FIXME(BDW): Assume for now that the new interrupt handling
* scheme also closed the SDE interrupt handling race we've seen
@@ -3133,7 +3134,8 @@ static void gen8_irq_reset(struct drm_device *dev)
GEN5_IRQ_RESET(GEN8_DE_MISC_);
GEN5_IRQ_RESET(GEN8_PCU_);
- ibx_irq_reset(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_reset(dev);
}
void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
@@ -3545,12 +3547,14 @@ static int gen8_irq_postinstall(struct drm_device
*dev)
{
struct drm_i915_private *dev_priv = dev-dev_private;
- ibx_irq_pre_postinstall(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_pre_postinstall(dev);
gen8_gt_irq_postinstall(dev_priv);
gen8_de_irq_postinstall(dev_priv);
- ibx_irq_postinstall(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_postinstall(dev);
I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL);
POSTING_READ(GEN8_MASTER_IRQ);
--
1.9.1
--
Jani Nikula, Intel Open Source Technology Center
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[Intel-gfx] [PATCH v3 26/49] drm/i915/bxt: Add BXT support in gen8_irq functions
From: Shashank Sharma shashank.sha...@intel.com
This patch adds conditional checks in gen8_irq functions
to support BXT. Most of the checks just look for PCH split
availability, and block the call to PCH interrupt functions if
not available.
v2: (jani)
- drop redundant TODO comment about PCH IRQ flags on BXT
- check HAS_PCH_SPLIT instead of IS_BROXTON when handling PCH specific
IRQ events in gen8_irq_handler()
- check HAS_PCH_SPLIT before calling the function instead of a
corresponding early return within the called function for
ibx_irq_reset(), ibx_irq_pre_postinstall(), ibx_irq_postinstall()
v3: (jani)
- in ironlake_irq_postinstall() and ironlake_irq_reset() HAS_PCH_SPLIT
is always true, so drop the check for it
Reviewed-by: Satheeshakrishna Msatheeshakrishn...@intel.com
Signed-off-by: Damien Lespiau damien.lesp...@intel.com
Signed-off-by: Shashank Sharma ppashank.sha...@intel.com (v1)
Signed-off-by: Imre Deak imre.d...@intel.com
---
drivers/gpu/drm/i915/i915_irq.c | 12
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index b06364f..b0cd7a9 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2297,7 +2297,8 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
DRM_ERROR(The master control interrupt lied (DE
PIPE)!\n);
}
- if (!HAS_PCH_NOP(dev) master_ctl GEN8_DE_PCH_IRQ) {
+ if (HAS_PCH_SPLIT(dev) !HAS_PCH_NOP(dev)
+ master_ctl GEN8_DE_PCH_IRQ) {
/*
* FIXME(BDW): Assume for now that the new interrupt handling
* scheme also closed the SDE interrupt handling race we've seen
@@ -3133,7 +3134,8 @@ static void gen8_irq_reset(struct drm_device *dev)
GEN5_IRQ_RESET(GEN8_DE_MISC_);
GEN5_IRQ_RESET(GEN8_PCU_);
- ibx_irq_reset(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_reset(dev);
}
void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv,
@@ -3545,12 +3547,14 @@ static int gen8_irq_postinstall(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev-dev_private;
- ibx_irq_pre_postinstall(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_pre_postinstall(dev);
gen8_gt_irq_postinstall(dev_priv);
gen8_de_irq_postinstall(dev_priv);
- ibx_irq_postinstall(dev);
+ if (HAS_PCH_SPLIT(dev))
+ ibx_irq_postinstall(dev);
I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL);
POSTING_READ(GEN8_MASTER_IRQ);
--
1.9.1
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