Paulo Zanoni <przan...@gmail.com> writes:
> From: Paulo Zanoni <paulo.r.zan...@intel.com>
>
> It was very similar to ironlake_irq_postinstall, so IMHO merging both
> functions results in a code that is easier to maintain.
>
> With this change, all the irq handler vfuncs between ironlake and
> ivybridge are now unified.
>
> v2: Add "(" and ")" to make at least one vim user much happier (Chris)
>
> Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuopp...@intel.com>
> ---
> drivers/gpu/drm/i915/i915_irq.c | 69
> ++++++++++++-----------------------------
> 1 file changed, 20 insertions(+), 49 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index d084057..8b48a32 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -2161,21 +2161,33 @@ static void gen5_gt_irq_postinstall(struct drm_device
> *dev)
> static int ironlake_irq_postinstall(struct drm_device *dev)
> {
> unsigned long irqflags;
> -
> drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
> - /* enable kind of interrupts always enabled */
> - u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
> - DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
> - DE_AUX_CHANNEL_A | DE_PIPEB_FIFO_UNDERRUN |
> - DE_PIPEA_FIFO_UNDERRUN | DE_POISON;
> + u32 display_mask, extra_mask;
> +
> + if (INTEL_INFO(dev)->gen >= 7) {
> + display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
> + DE_PCH_EVENT_IVB | DE_PLANEC_FLIP_DONE_IVB |
> + DE_PLANEB_FLIP_DONE_IVB |
> + DE_PLANEA_FLIP_DONE_IVB | DE_AUX_CHANNEL_A_IVB |
> + DE_ERR_INT_IVB);
> + extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB |
> + DE_PIPEA_VBLANK_IVB);
> +
> + I915_WRITE(GEN7_ERR_INT, I915_READ(GEN7_ERR_INT));
> + } else {
> + display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
> + DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
> + DE_AUX_CHANNEL_A | DE_PIPEB_FIFO_UNDERRUN |
> + DE_PIPEA_FIFO_UNDERRUN | DE_POISON);
> + extra_mask = DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT;
> + }
>
> dev_priv->irq_mask = ~display_mask;
>
> /* should always can generate irq */
> I915_WRITE(DEIIR, I915_READ(DEIIR));
> I915_WRITE(DEIMR, dev_priv->irq_mask);
> - I915_WRITE(DEIER, display_mask |
> - DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT);
> + I915_WRITE(DEIER, display_mask | extra_mask);
> POSTING_READ(DEIER);
>
> gen5_gt_irq_postinstall(dev);
> @@ -2196,38 +2208,6 @@ static int ironlake_irq_postinstall(struct drm_device
> *dev)
> return 0;
> }
>
> -static int ivybridge_irq_postinstall(struct drm_device *dev)
> -{
> - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
> - /* enable kind of interrupts always enabled */
> - u32 display_mask =
> - DE_MASTER_IRQ_CONTROL | DE_GSE_IVB | DE_PCH_EVENT_IVB |
> - DE_PLANEC_FLIP_DONE_IVB |
> - DE_PLANEB_FLIP_DONE_IVB |
> - DE_PLANEA_FLIP_DONE_IVB |
> - DE_AUX_CHANNEL_A_IVB |
> - DE_ERR_INT_IVB;
> -
> - dev_priv->irq_mask = ~display_mask;
> -
> - /* should always can generate irq */
> - I915_WRITE(GEN7_ERR_INT, I915_READ(GEN7_ERR_INT));
> - I915_WRITE(DEIIR, I915_READ(DEIIR));
> - I915_WRITE(DEIMR, dev_priv->irq_mask);
> - I915_WRITE(DEIER,
> - display_mask |
> - DE_PIPEC_VBLANK_IVB |
> - DE_PIPEB_VBLANK_IVB |
> - DE_PIPEA_VBLANK_IVB);
> - POSTING_READ(DEIER);
> -
> - gen5_gt_irq_postinstall(dev);
> -
> - ibx_irq_postinstall(dev);
> -
> - return 0;
> -}
> -
> static int valleyview_irq_postinstall(struct drm_device *dev)
> {
> drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
> @@ -3036,15 +3016,6 @@ void intel_irq_init(struct drm_device *dev)
> dev->driver->enable_vblank = valleyview_enable_vblank;
> dev->driver->disable_vblank = valleyview_disable_vblank;
> dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup;
> - } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
> - /* Share uninstall handlers with ILK/SNB */
> - dev->driver->irq_handler = ironlake_irq_handler;
> - dev->driver->irq_preinstall = ironlake_irq_preinstall;
> - dev->driver->irq_postinstall = ivybridge_irq_postinstall;
> - dev->driver->irq_uninstall = ironlake_irq_uninstall;
> - dev->driver->enable_vblank = ironlake_enable_vblank;
> - dev->driver->disable_vblank = ironlake_disable_vblank;
> - dev_priv->display.hpd_irq_setup = ibx_hpd_irq_setup;
> } else if (HAS_PCH_SPLIT(dev)) {
> dev->driver->irq_handler = ironlake_irq_handler;
> dev->driver->irq_preinstall = ironlake_irq_preinstall;
> --
> 1.8.1.2
>
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