From: José Roberto de Souza Date: Sun, 15 Aug 2021 01:43:45 +0000 (-0700) Subject: drm/i915/display: Fix sel fetch plane offset calculation X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=7b24b79bf5f9492a63a09d5752af3c155f45f793;p=kernel.git 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 Cc: Gwan-gyeong Mun Cc: Ville Syrjälä Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210815014346.373945-1-jose.souza@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 1b0daf649e823..cade37f67f33c 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1487,8 +1487,8 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum pipe pipe = plane->pipe; const struct drm_rect *clip; - u32 val, offset; - int ret, x, y; + u32 val; + int x, y; if (!crtc_state->enable_psr2_sel_fetch) return; @@ -1508,10 +1508,6 @@ void intel_psr2_program_plane_sel_fetch(struct intel_plane *plane, /* TODO: consider auxiliary surfaces */ x = plane_state->uapi.src.x1 >> 16; y = (plane_state->uapi.src.y1 >> 16) + clip->y1; - ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset); - if (ret) - drm_warn_once(&dev_priv->drm, "skl_calc_main_surface_offset() returned %i\n", - ret); val = y << 16 | x; intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_OFFSET(pipe, plane->id), val);