drm/i915/skl: Add 180 degree HW rotation support
Add support for 180 degree rotation for primary and sprite planes Signed-off-by: Sonika Jindal <sonika.jindal@intel.com> Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -4579,6 +4579,9 @@ enum punit_power_well {
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#define PLANE_CTL_ALPHA_DISABLE ( 0 << 4)
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#define PLANE_CTL_ALPHA_SW_PREMULTIPLY ( 2 << 4)
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#define PLANE_CTL_ALPHA_HW_PREMULTIPLY ( 3 << 4)
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#define PLANE_CTL_ROTATE_MASK 0x3
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#define PLANE_CTL_ROTATE_0 0x0
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#define PLANE_CTL_ROTATE_180 0x2
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#define _PLANE_STRIDE_1_A 0x70188
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#define _PLANE_STRIDE_2_A 0x70288
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#define _PLANE_STRIDE_3_A 0x70388
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@ -2694,6 +2694,8 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
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}
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plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
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if (to_intel_plane(crtc->primary)->rotation == BIT(DRM_ROTATE_180))
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plane_ctl |= PLANE_CTL_ROTATE_180;
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I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl);
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@ -162,6 +162,7 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
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plane_ctl &= ~PLANE_CTL_YUV422_ORDER_MASK;
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plane_ctl &= ~PLANE_CTL_TILED_MASK;
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plane_ctl &= ~PLANE_CTL_ALPHA_MASK;
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plane_ctl &= ~PLANE_CTL_ROTATE_MASK;
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/* Trickle feed has to be enabled */
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plane_ctl &= ~PLANE_CTL_TRICKLE_FEED_DISABLE;
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@ -217,6 +218,8 @@ skl_update_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc,
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default:
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BUG();
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}
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if (intel_plane->rotation == BIT(DRM_ROTATE_180))
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plane_ctl |= PLANE_CTL_ROTATE_180;
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plane_ctl |= PLANE_CTL_ENABLE;
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plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
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