From 4e89ee174bb2da341bf90a84321c7008a3c9210d Mon Sep 17 00:00:00 2001 From: Paulo Zanoni Date: Fri, 4 May 2012 17:18:26 -0300 Subject: [PATCH] drm/i915: set the DIP port on ibx_write_infoframe Just like Gen 4, IBX has a "Port Select" field on the DIP register, but the ports are different. Signed-off-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_hdmi.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ce6e64dd00ff..4a97db25cd34 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1700,6 +1700,7 @@ #define VIDEO_DIP_ENABLE (1 << 31) #define VIDEO_DIP_PORT_B (1 << 29) #define VIDEO_DIP_PORT_C (2 << 29) +#define VIDEO_DIP_PORT_D (3 << 29) #define VIDEO_DIP_PORT_MASK (3 << 29) #define VIDEO_DIP_ENABLE_AVI (1 << 21) #define VIDEO_DIP_ENABLE_VENDOR (2 << 21) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 539073ec56bd..9902904de2ce 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -178,10 +178,26 @@ static void ibx_write_infoframe(struct drm_encoder *encoder, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_crtc *crtc = encoder->crtc; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); int reg = TVIDEO_DIP_CTL(intel_crtc->pipe); unsigned i, len = DIP_HEADER_SIZE + frame->len; u32 val = I915_READ(reg); + val &= ~VIDEO_DIP_PORT_MASK; + switch (intel_hdmi->sdvox_reg) { + case HDMIB: + val |= VIDEO_DIP_PORT_B; + break; + case HDMIC: + val |= VIDEO_DIP_PORT_C; + break; + case HDMID: + val |= VIDEO_DIP_PORT_D; + break; + default: + return; + } + intel_wait_for_vblank(dev, intel_crtc->pipe); val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ -- 2.20.1