These bits moved around on SNB and above. Signed-off-by: Jesse Barnes <jbar...@virtuousgeek.org> --- drivers/gpu/drm/i915/i915_reg.h | 12 ++++++++++++ drivers/gpu/drm/i915/intel_display.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5d5def7..d5a9812 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3075,6 +3075,18 @@ #define TRANS_6BPC (2<<5) #define TRANS_12BPC (3<<5) +#define _TRANSA_CHICKEN2 0xf0064 +#define _TRANSB_CHICKEN2 0xf1064 +#define TRANS_CHICKEN2(pipe) _PIPE(pipe, _TRANSA_CHICKEN2, _TRANSB_CHICKEN2) +#define TRANS_AUTOTRAIN_GEN_STALL_DIS (1<<31) + +#define SOUTH_CHICKEN1 0xc2000 +#define FDIA_PHASE_SYNC_OVR (1<<19) +#define FDIA_PHASE_SYNC_EN (1<<18) +#define FDIB_PHASE_SYNC_OVR (1<<17) +#define FDIB_PHASE_SYNC_EN (1<<16) +#define FDIC_PHASE_SYNC_OVR (1<<15) +#define FDIC_PHASE_SYNC_EN (1<<14) #define SOUTH_CHICKEN2 0xc2004 #define DPLS_EDP_PPS_FIX_DIS (1<<0) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5609c06..187b035 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2133,6 +2133,23 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc) I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | FDI_RX_PHASE_SYNC_POINTER_EN); + } else if (HAS_PCH_CPT(dev)) { + u32 flags; + switch (pipe) { + case 0: + flags = FDIA_PHASE_SYNC_OVR | FDIA_PHASE_SYNC_EN; + break; + case 2: + flags = FDIA_PHASE_SYNC_OVR | FDIA_PHASE_SYNC_EN; + break; + case 3: + flags = FDIA_PHASE_SYNC_OVR | FDIA_PHASE_SYNC_EN; + break; + default: + break; + } + I915_WRITE(SOUTH_CHICKEN1, flags); /* once to unlock... */ + I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to enable */ } reg = FDI_RX_IIR(pipe); @@ -2490,6 +2507,23 @@ static void ironlake_fdi_disable(struct drm_crtc *crtc) I915_WRITE(FDI_RX_CHICKEN(pipe), I915_READ(FDI_RX_CHICKEN(pipe) & ~FDI_RX_PHASE_SYNC_POINTER_EN)); + } else if (HAS_PCH_CPT(dev)) { + u32 flags; + switch (pipe) { + case 0: + flags = FDIA_PHASE_SYNC_OVR; + break; + case 2: + flags = FDIA_PHASE_SYNC_OVR; + break; + case 3: + flags = FDIA_PHASE_SYNC_OVR; + break; + default: + break; + } + I915_WRITE(SOUTH_CHICKEN1, flags); /* once to unlock... */ + I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to enable */ } /* still set train pattern 1 */ -- 1.7.4.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx