Re: [PATCH 01/13] drm/connector: Add define for HDMI 1.4 Maximum Pixel Rate

From
Ville Syrjälä <hidden>
Date
2021-11-03 11:04:21
Also in
amd-gfx, dri-devel, intel-gfx, linux-amlogic, linux-arm-kernel
Reply to
Maxime Ripard, 2021-11-02
On Tue, Nov 02, 2021 at 03:59:32PM +0100, Maxime Ripard wrote:
quoted hunk ↗ jump to hunk
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -4966,7 +4966,7 @@ static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
 		u32 max_tmds_clock = hf_vsdb[5] * 5000;
 		struct drm_scdc *scdc = &hdmi->scdc;
 
-		if (max_tmds_clock > 340000) {
+		if (max_tmds_clock > DRM_HDMI_14_MAX_TMDS_CLK_KHZ) {
 			display->max_tmds_clock = max_tmds_clock;
 			DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
 				display->max_tmds_clock);
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index d2e61f6c6e08..0666203d52b7 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2226,7 +2226,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 		if (scdc->scrambling.low_rates)
 			pipe_config->hdmi_scrambling = true;
 
-		if (pipe_config->port_clock > 340000) {
+		if (pipe_config->port_clock > DRM_HDMI_14_MAX_TMDS_CLK_KHZ) {
 			pipe_config->hdmi_scrambling = true;
 			pipe_config->hdmi_high_tmds_clock_ratio = true;
 		}
All of that is HDMI 2.0 stuff. So this just makes it all super
confusing IMO. Nak.

-- 
Ville Syrjälä
Intel
Thread (8 messages) 8 messages, 4 authors, last reply 2021-11-08
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