Enable HDR for LSPCON based on Parade along with MCA.
Signed-off-by: Uma Shankar <uma.shan...@intel.com>
Signed-off-by: Vipin Anand <vipin.an...@intel.com>
---
drivers/gpu/drm/i915/display/intel_lspcon.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c
b/drivers/gpu/drm/i915/display/intel_lspcon.c
index b0ca494f1110..60863b825cc5 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -36,6 +36,7 @@
#define LSPCON_VENDOR_MCA_OUI 0x0060AD
#define DPCD_MCA_LSPCON_HDR_STATUS 0x70003
+#define DPCD_PARADE_LSPCON_HDR_STATUS 0x00511
/* AUX addresses to write MCA AVI IF */
#define LSPCON_MCA_AVI_IF_WRITE_OFFSET 0x5C0
@@ -112,16 +113,20 @@ static void lspcon_detect_hdr_capability(struct
intel_lspcon *lspcon)
container_of(lspcon, struct intel_digital_port, lspcon);
struct drm_device *dev = intel_dig_port->base.base.dev;
struct intel_dp *dp = lspcon_to_intel_dp(lspcon);
+ u32 lspcon_hdr_status_reg;
u8 hdr_caps;
int ret;
- /* Enable HDR for MCA based LSPCON devices */
if (lspcon->vendor == LSPCON_VENDOR_MCA)
- ret = drm_dp_dpcd_read(&dp->aux, DPCD_MCA_LSPCON_HDR_STATUS,
- &hdr_caps, 1);
+ lspcon_hdr_status_reg = DPCD_MCA_LSPCON_HDR_STATUS;
+ else if (lspcon->vendor == LSPCON_VENDOR_PARADE)
+ lspcon_hdr_status_reg = DPCD_PARADE_LSPCON_HDR_STATUS;
else
return;
+ ret = drm_dp_dpcd_read(&dp->aux, lspcon_hdr_status_reg,
+ &hdr_caps, 1);
+
if (ret < 0) {
drm_dbg_kms(dev, "hdr capability detection failed\n");
lspcon->hdr_supported = false;
@@ -465,14 +470,6 @@ void lspcon_write_infoframe(struct intel_encoder *encoder,
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
- /*
- * Supporting HDR on MCA LSPCON
- * Todo: Add support for Parade later
- */
- if (type == HDMI_PACKET_TYPE_GAMUT_METADATA &&
- lspcon->vendor != LSPCON_VENDOR_MCA)
- return;
-
switch (type) {
case HDMI_INFOFRAME_TYPE_AVI:
if (lspcon->vendor == LSPCON_VENDOR_MCA)
--
2.26.2
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