From: Zhenyu Wang Date: Wed, 4 Mar 2009 11:36:03 +0000 (+0800) Subject: drm/i915: TV detection fix X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bf5a269a4cc966f783b9faaf3fffd8fa31b53383;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git drm/i915: TV detection fix Check that the encoder has a real enabled crtc for TV detect, and fix missing TV type setting after detect. Signed-off-by: Zhenyu Wang Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 7021798f98e9..ceca9471a75a 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1406,6 +1406,7 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output) tv_dac = I915_READ(TV_DAC); I915_WRITE(TV_DAC, save_tv_dac); I915_WRITE(TV_CTL, save_tv_ctl); + intel_wait_for_vblank(dev); } /* * A B C @@ -1456,7 +1457,7 @@ intel_tv_detect(struct drm_connector *connector) mode = reported_modes[0]; drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V); - if (encoder->crtc) { + if (encoder->crtc && encoder->crtc->enabled) { type = intel_tv_detect_type(encoder->crtc, intel_output); } else { crtc = intel_get_load_detect_pipe(intel_output, &mode, &dpms_mode); @@ -1467,6 +1468,8 @@ intel_tv_detect(struct drm_connector *connector) type = -1; } + tv_priv->type = type; + if (type < 0) return connector_status_disconnected;