drm/i915/display: add intel_encoder_is_hdmi()

jnikula · jnikula · commit efa43b751637 · 2025-01-03T12:28:48.000+02:00
Similar to intel_encoder_is_dp() and friends. Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com> Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/e6bf9e01deb5d0d8b566af128a762d1313638847.1735568047.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1968,6 +1968,19 @@ static inline bool intel_encoder_is_dp(struct intel_encoder *encoder)
 	}
 }
 
+static inline bool intel_encoder_is_hdmi(struct intel_encoder *encoder)
+{
+	switch (encoder->type) {
+	case INTEL_OUTPUT_HDMI:
+		return true;
+	case INTEL_OUTPUT_DDI:
+		/* See if the HDMI encoder is valid. */
+		return i915_mmio_reg_valid(enc_to_intel_hdmi(encoder)->hdmi_reg);
+	default:
+		return false;
+	}
+}
+
 static inline struct intel_lspcon *
 enc_to_intel_lspcon(struct intel_encoder *encoder)
 {

Original file line number	Diff line number	Diff line change
`@@ -1968,6 +1968,19 @@ static inline bool intel_encoder_is_dp(struct intel_encoder *encoder)`
`1968`	`1968`	`}`
`1969`	`1969`	`}`
`1970`	`1970`
	`1971`	`+static inline bool intel_encoder_is_hdmi(struct intel_encoder *encoder)`
	`1972`	`+{`
	`1973`	`+ switch (encoder->type) {`
	`1974`	`+ case INTEL_OUTPUT_HDMI:`
	`1975`	`+ return true;`
	`1976`	`+ case INTEL_OUTPUT_DDI:`
	`1977`	`+ /* See if the HDMI encoder is valid. */`
	`1978`	`+ return i915_mmio_reg_valid(enc_to_intel_hdmi(encoder)->hdmi_reg);`
	`1979`	`+ default:`
	`1980`	`+ return false;`
	`1981`	`+ }`
	`1982`	`+}`
	`1983`	`+`
`1971`	`1984`	`static inline struct intel_lspcon *`
`1972`	`1985`	`enc_to_intel_lspcon(struct intel_encoder *encoder)`
`1973`	`1986`	`{`