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drm/i915: Skip cursor when writing PLANE_CHICKEN

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Cursor is not a universal plane and thus doesn't have the
PLANE_CHICKEN register. Skip it.

Fixes: c5de248484 ("drm/i915/dpt: Add a modparam to disable DPT via the chicken bit")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329190445.13456-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä
2023-03-29 22:04:43 +03:00
parent 1164c92b2d
commit bd80b0dd6a
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/display/intel_dpt.c
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@@ -324,10 +324,14 @@ void intel_dpt_configure(struct intel_crtc *crtc)
enum pipe pipe = crtc->pipe;
enum plane_id plane_id;
for_each_plane_id_on_crtc(crtc, plane_id)
for_each_plane_id_on_crtc(crtc, plane_id) {
if (plane_id == PLANE_CURSOR)
continue;
intel_de_rmw(i915, PLANE_CHICKEN(pipe, plane_id),
PLANE_CHICKEN_DISABLE_DPT,
i915->params.enable_dpt ? 0 : PLANE_CHICKEN_DISABLE_DPT);
}
} else if (DISPLAY_VER(i915) == 13) {
intel_de_rmw(i915, CHICKEN_MISC_2,
CHICKEN_MISC_DISABLE_DPT,