From 770de83dc0b4f13b3ec1a923b1769ed668221779 Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Thu, 20 Mar 2014 20:45:01 +0000 Subject: [PATCH] drm/i915/skl: Adjust the display engine interrupts To accomodate the extra planes, the bit definitions were shuffled around a bit. v2: Rebase on top of the for_each_pipe() change adding dev_priv as first argument. v3: Rebase after yet another change int that area (done with wiggle) Reviewed-by: Rodrigo Vivi Signed-off-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 37 ++++++++++++++++++++++++++++--------- drivers/gpu/drm/i915/i915_reg.h | 13 +++++++++++++ 2 files changed, 41 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index a8e0bc4..ba5ba63 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2587,7 +2587,7 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) } for_each_pipe(dev_priv, pipe) { - uint32_t pipe_iir; + uint32_t pipe_iir, flip_done = 0, fault_errors = 0; if (!(master_ctl & GEN8_DE_PIPE_IRQ(pipe))) continue; @@ -2596,11 +2596,17 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) if (pipe_iir) { ret = IRQ_HANDLED; I915_WRITE(GEN8_DE_PIPE_IIR(pipe), pipe_iir); + if (pipe_iir & GEN8_PIPE_VBLANK && intel_pipe_handle_vblank(dev, pipe)) intel_check_page_flip(dev, pipe); - if (pipe_iir & GEN8_PIPE_PRIMARY_FLIP_DONE) { + if (IS_GEN9(dev)) + flip_done = pipe_iir & GEN9_PIPE_PLANE1_FLIP_DONE; + else + flip_done = pipe_iir & GEN8_PIPE_PRIMARY_FLIP_DONE; + + if (flip_done) { intel_prepare_page_flip(dev, pipe); intel_finish_page_flip_plane(dev, pipe); } @@ -2615,11 +2621,16 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) pipe_name(pipe)); } - if (pipe_iir & GEN8_DE_PIPE_IRQ_FAULT_ERRORS) { + + if (IS_GEN9(dev)) + fault_errors = pipe_iir & GEN9_DE_PIPE_IRQ_FAULT_ERRORS; + else + fault_errors = pipe_iir & GEN8_DE_PIPE_IRQ_FAULT_ERRORS; + + if (fault_errors) DRM_ERROR("Fault errors on pipe %c\n: 0x%08x", pipe_name(pipe), pipe_iir & GEN8_DE_PIPE_IRQ_FAULT_ERRORS); - } } else DRM_ERROR("The master control interrupt lied (DE PIPE)!\n"); } @@ -3803,12 +3814,20 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) { - uint32_t de_pipe_masked = GEN8_PIPE_PRIMARY_FLIP_DONE | - GEN8_PIPE_CDCLK_CRC_DONE | - GEN8_DE_PIPE_IRQ_FAULT_ERRORS; - uint32_t de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK | - GEN8_PIPE_FIFO_UNDERRUN; + uint32_t de_pipe_masked = GEN8_PIPE_CDCLK_CRC_DONE; + uint32_t de_pipe_enables; int pipe; + + if (IS_GEN9(dev_priv)) + de_pipe_masked |= GEN9_PIPE_PLANE1_FLIP_DONE | + GEN9_DE_PIPE_IRQ_FAULT_ERRORS; + else + de_pipe_masked |= GEN8_PIPE_PRIMARY_FLIP_DONE | + GEN8_DE_PIPE_IRQ_FAULT_ERRORS; + + de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK | + GEN8_PIPE_FIFO_UNDERRUN; + dev_priv->de_irq_mask[PIPE_A] = ~de_pipe_masked; dev_priv->de_irq_mask[PIPE_B] = ~de_pipe_masked; dev_priv->de_irq_mask[PIPE_C] = ~de_pipe_masked; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d4af99e..5060b51 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4844,10 +4844,23 @@ enum punit_power_well { #define GEN8_PIPE_SCAN_LINE_EVENT (1 << 2) #define GEN8_PIPE_VSYNC (1 << 1) #define GEN8_PIPE_VBLANK (1 << 0) +#define GEN9_PIPE_CURSOR_FAULT (1 << 11) +#define GEN9_PIPE_PLANE3_FAULT (1 << 9) +#define GEN9_PIPE_PLANE2_FAULT (1 << 8) +#define GEN9_PIPE_PLANE1_FAULT (1 << 7) +#define GEN9_PIPE_PLANE3_FLIP_DONE (1 << 5) +#define GEN9_PIPE_PLANE2_FLIP_DONE (1 << 4) +#define GEN9_PIPE_PLANE1_FLIP_DONE (1 << 3) +#define GEN9_PIPE_PLANE_FLIP_DONE(p) (1 << (3 + p)) #define GEN8_DE_PIPE_IRQ_FAULT_ERRORS \ (GEN8_PIPE_CURSOR_FAULT | \ GEN8_PIPE_SPRITE_FAULT | \ GEN8_PIPE_PRIMARY_FAULT) +#define GEN9_DE_PIPE_IRQ_FAULT_ERRORS \ + (GEN9_PIPE_CURSOR_FAULT | \ + GEN9_PIPE_PLANE3_FAULT | \ + GEN9_PIPE_PLANE2_FAULT | \ + GEN9_PIPE_PLANE1_FAULT) #define GEN8_DE_PORT_ISR 0x44440 #define GEN8_DE_PORT_IMR 0x44444 -- 2.7.4