Tested-by: Clinton Taylor <clinton.a.tay...@intel.com> Reviewed-by: Clinton Taylor <clinton.a.tay...@intel.com>
-Clint On 06/19/2017 11:10 PM, Vidya Srinivas wrote:
From: Chandra Konduru <chandra.kond...@intel.com> This patch sets appropriate scaler mode for NV12 format. In this mode, skylake scaler does either chroma-upsampling or chroma-upsampling and resolution scaling v2: Review comments from Ville addressed NV12 case to be checked first for setting the scaler v3: Rebased (me) Signed-off-by: Chandra Konduru <chandra.kond...@intel.com> Signed-off-by: Nabendu Maiti <nabendu.bikash.ma...@intel.com> Signed-off-by: Vidya Srinivas <vidya.srini...@intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_atomic.c | 8 +++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 41ddd25..5c3b120 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6390,6 +6390,7 @@ enum { #define PS_SCALER_MODE_MASK (3 << 28) #define PS_SCALER_MODE_DYN (0 << 28) #define PS_SCALER_MODE_HQ (1 << 28) +#define PS_SCALER_MODE_NV12 (2 << 28) #define PS_PLANE_SEL_MASK (7 << 25) #define PS_PLANE_SEL(plane) (((plane) + 1) << 25) #define PS_FILTER_MASK (3 << 23) diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 36d4e63..808f8e6 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -325,7 +325,13 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, }/* set scaler mode */- if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) { + if (plane_state && plane_state->base.fb && + plane_state->base.fb->format->format == + DRM_FORMAT_NV12) { + DRM_ERROR("NV12 format setting scaler mode\n"); + scaler_state->scalers[*scaler_id].mode = + PS_SCALER_MODE_NV12; + } else if (IS_GEMINILAKE(dev_priv) || IS_CANNONLAKE(dev_priv)) { scaler_state->scalers[*scaler_id].mode = 0; } else if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) { /*
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