[Intel-gfx] [PATCH] drm/i915: Restore interrupt enabling after a reset

2019-02-18 Thread Chris Wilson
At least on i965g and i965gm, performing a device reset clobbers the IER resulting in loss of interrupts thereafter. So, run the irq_postinstall hook to restore them. Signed-off-by: Chris Wilson Cc: Ville Syrjälä --- drivers/gpu/drm/i915/i915_reset.c | 3 +++ 1 file changed, 3 insertions(+) di

[Intel-gfx] [PATCH] drm/i915: Restore interrupt enabling after a reset

2019-02-15 Thread Chris Wilson
At least on i965g and i965gm, performing a device reset clobbers the IER resulting in loss of interrupts thereafter. So, run the irq_postinstall hook to restore them. Signed-off-by: Chris Wilson Cc: Ville Syrjälä --- This feels a bit hairy, so maybe limit it to INTEL_INFO()->reset_clobbers_displ