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drm/i915/display: Fix sel fetch plane offset calculation
skl_calc_main_surface_offset() is used to calculate an aligned plane surface address considering the inner framebuffer x and y offset. It can not be used by selective fetch functions becase there is no PLANE_SEL_FETCH_SURF. So the PLANE_SEL_FETCH_OFFSET.y should only be PLANE_OFFSET.y + damaged_area_within_plane.y1. This fixes glitches seen in fbcon caused by typing something in the terminal. BSpec: 55229 Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210815014346.373945-1-jose.souza@intel.com
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1 changed files with 2 additions and 6 deletions
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@ -1487,8 +1487,8 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
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struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
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enum pipe pipe = plane->pipe;
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const struct drm_rect *clip;
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u32 val, offset;
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int ret, x, y;
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u32 val;
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int x, y;
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if (!crtc_state->enable_psr2_sel_fetch)
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return;
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@ -1508,10 +1508,6 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane,
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/* TODO: consider auxiliary surfaces */
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x = plane_state->uapi.src.x1 >> 16;
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y = (plane_state->uapi.src.y1 >> 16) + clip->y1;
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ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset);
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if (ret)
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drm_warn_once(&dev_priv->drm, "skl_calc_main_surface_offset() returned %i\n",
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ret);
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val = y << 16 | x;
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intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_OFFSET(pipe, plane->id),
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val);
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