From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Mon, 10 Jun 2019 15:32:51 +0000 (+0100)
Subject: drm/vc4: Remove 340MHz clock limit from FKMS now scrambling issues resolved
X-Git-Tag: accepted/tizen/unified/20200709.164653~1021
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dce906208043153cb15543e3d39b4defbf0ce070;p=platform%2Fkernel%2Flinux-rpi.git

drm/vc4: Remove 340MHz clock limit from FKMS now scrambling issues resolved

Firmware TMDS scrambling is now being correctly configured, so
we can use it.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---

diff --git a/drivers/gpu/drm/vc4/vc4_firmware_kms.c b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
index 339c876..fdbd1d1 100644
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -831,12 +831,6 @@ vc4_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode)
 		break;
 	}
 
-	/* Limit the pixel clock until we can get dynamic HDMI 2.0 scrambling
-	 * working.
-	 */
-	if (mode->clock > 340000)
-		return MODE_CLOCK_HIGH;
-
 	return MODE_OK;
 }