drm/radeon: add support for interrupts on CIK (v5)

Todo:
- handle interrupts for compute queues

v2: add documentation
v3: update to latest reset code
v4: update to latest illegal CP handling
v5: fix missing break in interrupt handler switch statement

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 1c06c47bf4bd..e09157beeef0 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -600,10 +600,21 @@ struct evergreen_irq_stat_regs {
         u32 afmt_status6;
 };
 
+struct cik_irq_stat_regs {
+        u32 disp_int;
+        u32 disp_int_cont;
+        u32 disp_int_cont2;
+        u32 disp_int_cont3;
+        u32 disp_int_cont4;
+        u32 disp_int_cont5;
+        u32 disp_int_cont6;
+};
+
 union radeon_irq_stat_regs {
         struct r500_irq_stat_regs r500;
         struct r600_irq_stat_regs r600;
         struct evergreen_irq_stat_regs evergreen;
+        struct cik_irq_stat_regs cik;
 };
 
 #define RADEON_MAX_HPD_PINS 6