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drm/irq: track the irq installed in drm_irq_install in dev->irq

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To get rid of the dev->bus->get_irq callback we need to pass in the
desired irq explicitly into drm_irq_install. To avoid having to do the
same for drm_irq_unistall just track it internally. That leaves
drivers with less room to botch things up.

v2: Add the hunk lost in an earlier patch to this one (Thierry).

v3: Fix up the totally fumbled logic in drm_irq_install and use the
local variable consistently. Spotted by both Thierry and Laurent.
Shame on me for failing to properly test the rebase version of this
patch ...

Cc: Thierry Reding <[email protected]>
Cc: Laurent Pinchart <[email protected]>
Reviewed-by: Thierry Reding <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
This commit is contained in:
Daniel Vetter 2013-12-16 11:21:15 +01:00
commit 7c1a38e391
2 changed files with 13 additions and 7 deletions
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include/drm/drmP.h
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@ -1107,6 +1107,8 @@ struct drm_device {
/** \name Context support */
/*@{ */
bool irq_enabled; /**< True if irq handler is enabled */
int irq;
__volatile__ long context_flag; /**< Context swapping flag */
int last_context; /**< Last current context */
/*@} */