With the enablement of global histogram, upon generation of histogram, an interrupt is triggered. This patch handles the irq. Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx> Signed-off-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_irq.c | 6 +++++- drivers/gpu/drm/i915/i915_reg.h | 5 +++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e28bfb5f7347..d72fb6d9282d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -43,6 +43,7 @@ #include "display/intel_hotplug.h" #include "display/intel_lpe_audio.h" #include "display/intel_psr.h" +#include "display/intel_global_hist.h" #include "gt/intel_breadcrumbs.h" #include "gt/intel_gt.h" @@ -2765,6 +2766,9 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) ret = IRQ_HANDLED; intel_uncore_write(&dev_priv->uncore, GEN8_DE_PIPE_IIR(pipe), iir); + if (iir & GEN9_PIPE_GLOBAL_HIST_EVENT) + intel_global_hist_irq_handler(dev_priv, pipe); + if (iir & GEN8_PIPE_VBLANK) intel_handle_vblank(dev_priv, pipe); @@ -5043,7 +5047,7 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) struct intel_uncore *uncore = &dev_priv->uncore; u32 de_pipe_masked = gen8_de_pipe_fault_mask(dev_priv) | - GEN8_PIPE_CDCLK_CRC_DONE; + GEN8_PIPE_CDCLK_CRC_DONE | GEN9_PIPE_GLOBAL_HIST_EVENT; u32 de_pipe_enables; u32 de_port_masked = gen8_de_port_aux_mask(dev_priv); u32 de_port_enables; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 94d0c8d14d43..546207ac4859 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3887,7 +3887,7 @@ #define PIPE_HOTPLUG_INTERRUPT_ENABLE (1UL << 26) #define PIPE_VSYNC_INTERRUPT_ENABLE (1UL << 25) #define PIPE_DISPLAY_LINE_COMPARE_ENABLE (1UL << 24) -#define PIPE_DPST_EVENT_ENABLE (1UL << 23) +#define PIPE_GLOBAL_HIST_EVENT_ENABLE (1UL << 23) #define SPRITE0_FLIP_DONE_INT_EN_VLV (1UL << 22) #define PIPE_LEGACY_BLC_EVENT_ENABLE (1UL << 22) #define PIPE_ODD_FIELD_INTERRUPT_ENABLE (1UL << 21) @@ -3910,7 +3910,7 @@ #define PIPE_HOTPLUG_INTERRUPT_STATUS (1UL << 10) #define PIPE_VSYNC_INTERRUPT_STATUS (1UL << 9) #define PIPE_DISPLAY_LINE_COMPARE_STATUS (1UL << 8) -#define PIPE_DPST_EVENT_STATUS (1UL << 7) +#define PIPE_GLOBAL_HIST_EVENT_STATUS (1UL << 7) #define PIPE_A_PSR_STATUS_VLV (1UL << 6) #define PIPE_LEGACY_BLC_EVENT_STATUS (1UL << 6) #define PIPE_ODD_FIELD_INTERRUPT_STATUS (1UL << 5) @@ -5815,6 +5815,7 @@ #define GEN8_PIPE_VSYNC (1 << 1) #define GEN8_PIPE_VBLANK (1 << 0) #define GEN9_PIPE_CURSOR_FAULT (1 << 11) +#define GEN9_PIPE_GLOBAL_HIST_EVENT (1 << 12) #define GEN11_PIPE_PLANE7_FAULT (1 << 22) #define GEN11_PIPE_PLANE6_FAULT (1 << 21) #define GEN11_PIPE_PLANE5_FAULT (1 << 20) -- 2.25.1