[Intel-gfx] [PATCH 2/2] drm/i915: Use intel_hdmi_port_clock() more
Ville Syrjala
ville.syrjala at linux.intel.com
Thu Feb 4 02:08:46 UTC 2021
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Replace the hand rolled intel_hdmi_port_clock() stuff
with the real thing.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_hdmi.c | 27 ++++++++++++-----------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 66e1ac3887c6..457a16c8803a 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2229,6 +2229,16 @@ hdmi_port_clock_valid(struct intel_hdmi *hdmi,
return MODE_OK;
}
+static int intel_hdmi_port_clock(int clock, int bpc)
+{
+ /*
+ * Need to adjust the port link by:
+ * 1.5x for 12bpc
+ * 1.25x for 10bpc
+ */
+ return clock * bpc / 8;
+}
+
static enum drm_mode_status
intel_hdmi_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
@@ -2260,17 +2270,18 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
clock /= 2;
/* check if we can do 8bpc */
- status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink);
+ status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 8),
+ true, has_hdmi_sink);
if (has_hdmi_sink) {
/* if we can't do 8bpc we may still be able to do 12bpc */
if (status != MODE_OK && !HAS_GMCH(dev_priv))
- status = hdmi_port_clock_valid(hdmi, clock * 3 / 2,
+ status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 12),
true, has_hdmi_sink);
/* if we can't do 8,12bpc we may still be able to do 10bpc */
if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11)
- status = hdmi_port_clock_valid(hdmi, clock * 5 / 4,
+ status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10),
true, has_hdmi_sink);
}
if (status != MODE_OK)
@@ -2378,16 +2389,6 @@ intel_hdmi_ycbcr420_config(struct intel_crtc_state *crtc_state,
return intel_pch_panel_fitting(crtc_state, conn_state);
}
-static int intel_hdmi_port_clock(int clock, int bpc)
-{
- /*
- * Need to adjust the port link by:
- * 1.5x for 12bpc
- * 1.25x for 10bpc
- */
- return clock * bpc / 8;
-}
-
static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state,
int clock)
--
2.26.2
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