Code checkers may complain about the explicit casts between different
enum types, so add comments for known-valid cases to help future
triaging of such complaints.
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b60d9b6..763726d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9294,6 +9294,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
ironlake_get_fdi_m_n_config(crtc, pipe_config);
if (HAS_PCH_IBX(dev_priv)) {
+ /* the pipe->pll mapping is fixed */
pll_id = (enum intel_dpll_id) crtc->pipe;
} else {
tmp = I915_READ(PCH_DPLL_SEL);
@@ -9844,6 +9845,10 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
enum intel_display_power_domain power_domain;
u32 tmp;
+ /*
+ * The transcoder->pipe mapping is fixed with the exception of the eDP
+ * transcoder handled below.
+ */
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
/*
--
2.5.0
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