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drm/i915: Check sink deep color capabilitis during HDMI .mode_valid()

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Currently HDMI .mode_valid() only checks whether the source can do
deep color. Let's check whether the sink can do it as well.

Cc: Werner Sembach <wse@tuxedocomputers.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210511160532.21446-5-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
This commit is contained in:
Ville Syrjälä 2021-05-11 19:05:30 +03:00
parent 41828125ac
commit d21d7a9d10
1 changed files with 9 additions and 7 deletions
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16
drivers/gpu/drm/i915/display/intel_hdmi.c
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@ -1904,10 +1904,10 @@ static bool intel_hdmi_bpc_possible(struct drm_connector *connector,
}
static enum drm_mode_status
intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_sink)
intel_hdmi_mode_clock_valid(struct drm_connector *connector, int clock,
bool has_hdmi_sink, bool ycbcr420_output)
{
struct drm_device *dev = intel_hdmi_to_dev(hdmi);
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_hdmi *hdmi = intel_attached_hdmi(to_intel_connector(connector));
enum drm_mode_status status;
/* check if we can do 8bpc */
@ -1916,12 +1916,14 @@ intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_si
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))
if (status != MODE_OK &&
intel_hdmi_bpc_possible(connector, 12, has_hdmi_sink, ycbcr420_output))
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 && DISPLAY_VER(dev_priv) >= 11)
if (status != MODE_OK &&
intel_hdmi_bpc_possible(connector, 10, has_hdmi_sink, ycbcr420_output))
status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10),
true, has_hdmi_sink);
}
@ -1961,7 +1963,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
if (ycbcr_420_only)
clock /= 2;
status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, ycbcr_420_only);
if (status != MODE_OK) {
if (ycbcr_420_only ||
!connector->ycbcr_420_allowed ||
@ -1969,7 +1971,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
return status;
clock /= 2;
status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
status = intel_hdmi_mode_clock_valid(connector, clock, has_hdmi_sink, true);
if (status != MODE_OK)
return status;
}