hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

drm/i915: add ibx_irq_postinstall 

So we can remove duplicated code. Note that this function is used not
only on IBX, but also CPT and LPT.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Also bikeshed s/ironlake_enable_pch_hotplug/ibx_enable_hotplug
to keep consistent with our ibx for pch naming scheme.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-02-08 17:35:15 -02:00 committed by Daniel Vetter
parent 2c6602df1a
commit d46da43776
1 changed files with 25 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
drivers/gpu/drm/i915/i915_irq.c
View File

@ -1924,7 +1924,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
* This register is the same on all known PCH chips.
*/
static void ironlake_enable_pch_hotplug(struct drm_device *dev)
static void ibx_enable_hotplug(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 hotplug;
@ -1937,6 +1937,28 @@ static void ironlake_enable_pch_hotplug(struct drm_device *dev)
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
}
static void ibx_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
u32 mask;
if (HAS_PCH_IBX(dev))
mask = SDE_HOTPLUG_MASK |
SDE_GMBUS |
SDE_AUX_MASK;
else
mask = SDE_HOTPLUG_MASK_CPT |
SDE_GMBUS_CPT |
SDE_AUX_MASK_CPT;
I915_WRITE(SDEIIR, I915_READ(SDEIIR));
I915_WRITE(SDEIMR, ~mask);
I915_WRITE(SDEIER, mask);
POSTING_READ(SDEIER);
ibx_enable_hotplug(dev);
}
static int ironlake_irq_postinstall(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@ -1945,8 +1967,6 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
DE_AUX_CHANNEL_A;
u32 render_irqs;
u32 hotplug_mask;
u32 pch_irq_mask;
dev_priv->irq_mask = ~display_mask;
@ -1974,30 +1994,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
I915_WRITE(GTIER, render_irqs);
POSTING_READ(GTIER);
if (HAS_PCH_CPT(dev)) {
hotplug_mask = (SDE_CRT_HOTPLUG_CPT |
SDE_PORTB_HOTPLUG_CPT |
SDE_PORTC_HOTPLUG_CPT |
SDE_PORTD_HOTPLUG_CPT |
SDE_GMBUS_CPT |
SDE_AUX_MASK_CPT);
} else {
hotplug_mask = (SDE_CRT_HOTPLUG |
SDE_PORTB_HOTPLUG |
SDE_PORTC_HOTPLUG |
SDE_PORTD_HOTPLUG |
SDE_GMBUS |
SDE_AUX_MASK);
}
pch_irq_mask = ~hotplug_mask;
I915_WRITE(SDEIIR, I915_READ(SDEIIR));
I915_WRITE(SDEIMR, pch_irq_mask);
I915_WRITE(SDEIER, hotplug_mask);
POSTING_READ(SDEIER);
ironlake_enable_pch_hotplug(dev);
ibx_irq_postinstall(dev);
if (IS_IRONLAKE_M(dev)) {
/* Clear & enable PCU event interrupts */
@ -2020,8 +2017,6 @@ static int ivybridge_irq_postinstall(struct drm_device *dev)
DE_PLANEA_FLIP_DONE_IVB |
DE_AUX_CHANNEL_A_IVB;
u32 render_irqs;
u32 hotplug_mask;
u32 pch_irq_mask;
dev_priv->irq_mask = ~display_mask;
@ -2045,20 +2040,7 @@ static int ivybridge_irq_postinstall(struct drm_device *dev)
I915_WRITE(GTIER, render_irqs);
POSTING_READ(GTIER);
hotplug_mask = (SDE_CRT_HOTPLUG_CPT |
SDE_PORTB_HOTPLUG_CPT |
SDE_PORTC_HOTPLUG_CPT |
SDE_PORTD_HOTPLUG_CPT |
SDE_GMBUS_CPT |
SDE_AUX_MASK_CPT);
pch_irq_mask = ~hotplug_mask;
I915_WRITE(SDEIIR, I915_READ(SDEIIR));
I915_WRITE(SDEIMR, pch_irq_mask);
I915_WRITE(SDEIER, hotplug_mask);
POSTING_READ(SDEIER);
ironlake_enable_pch_hotplug(dev);
ibx_irq_postinstall(dev);
return 0;
}